diff options
361 files changed, 9754 insertions, 5400 deletions
diff --git a/.editorconfig b/.editorconfig index f9d819623d..15d6cbeab1 100644 --- a/.editorconfig +++ b/.editorconfig @@ -4,7 +4,7 @@ insert_final_newline = true # The settings for C (*.c and *.h) files are mirrored in .clang-format. Keep # them in sync. -[*.{c,h,sh,perl,pl,pm,txt}] +[{*.{c,h,sh,perl,pl,pm,txt},config.mak.*,Makefile}] indent_style = tab tab_width = 8 diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml index 683a2d633e..3428773b09 100644 --- a/.github/workflows/main.yml +++ b/.github/workflows/main.yml @@ -159,7 +159,7 @@ jobs: if: failure() && env.FAILED_TEST_ARTIFACTS != '' uses: actions/upload-artifact@v4 with: - name: failed-tests-windows + name: failed-tests-windows-${{ matrix.nr }} path: ${{env.FAILED_TEST_ARTIFACTS}} vs-build: name: win+VS build @@ -250,7 +250,7 @@ jobs: if: failure() && env.FAILED_TEST_ARTIFACTS != '' uses: actions/upload-artifact@v4 with: - name: failed-tests-windows + name: failed-tests-windows-vs-${{ matrix.nr }} path: ${{env.FAILED_TEST_ARTIFACTS}} regular: name: ${{matrix.vector.jobname}} (${{matrix.vector.pool}}) diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines index 32e69f798e..1d92b2da03 100644 --- a/Documentation/CodingGuidelines +++ b/Documentation/CodingGuidelines @@ -188,6 +188,22 @@ For shell scripts specifically (not exhaustive): hopefully nobody starts using "local" before they are reimplemented in C ;-) + - Some versions of shell do not understand "export variable=value", + so we write "variable=value" and then "export variable" on two + separate lines. + + - Some versions of dash have broken variable assignment when prefixed + with "local", "export", and "readonly", in that the value to be + assigned goes through field splitting at $IFS unless quoted. + + (incorrect) + local variable=$value + local variable=$(command args) + + (correct) + local variable="$value" + local variable="$(command args)" + - Use octal escape sequences (e.g. "\302\242"), not hexadecimal (e.g. "\xc2\xa2") in printf format strings, since hexadecimal escape sequences are not portable. @@ -641,15 +657,15 @@ Writing Documentation: - Prefer succinctness and matter-of-factly describing functionality in the abstract. E.g. - --short:: Emit output in the short-format. + `--short`:: Emit output in the short-format. and avoid something like these overly verbose alternatives: - --short:: Use this to emit output in the short-format. - --short:: You can use this to get output in the short-format. - --short:: A user who prefers shorter output could.... - --short:: Should a person and/or program want shorter output, he - she/they/it can... + `--short`:: Use this to emit output in the short-format. + `--short`:: You can use this to get output in the short-format. + `--short`:: A user who prefers shorter output could.... + `--short`:: Should a person and/or program want shorter output, he + she/they/it can... This practice often eliminates the need to involve human actors in your description, but it is a good practice regardless of the @@ -659,12 +675,12 @@ Writing Documentation: addressing the hypothetical user, and possibly "we" when discussing how the program might react to the user. E.g. - You can use this option instead of --xyz, but we might remove + You can use this option instead of `--xyz`, but we might remove support for it in future versions. while keeping in mind that you can probably be less verbose, e.g. - Use this instead of --xyz. This option might be removed in future + Use this instead of `--xyz`. This option might be removed in future versions. - If you still need to refer to an example person that is @@ -682,68 +698,118 @@ Writing Documentation: The same general rule as for code applies -- imitate the existing conventions. - A few commented examples follow to provide reference when writing or - modifying command usage strings and synopsis sections in the manual - pages: - Placeholders are spelled in lowercase and enclosed in angle brackets: - <file> - --sort=<key> - --abbrev[=<n>] +Markup: + + Literal parts (e.g. use of command-line options, command names, + branch names, URLs, pathnames (files and directories), configuration and + environment variables) must be typeset as verbatim (i.e. wrapped with + backticks): + `--pretty=oneline` + `git rev-list` + `remote.pushDefault` + `http://git.example.com` + `.git/config` + `GIT_DIR` + `HEAD` + `umask`(2) + + An environment variable must be prefixed with "$" only when referring to its + value and not when referring to the variable itself, in this case there is + nothing to add except the backticks: + `GIT_DIR` is specified + `$GIT_DIR/hooks/pre-receive` + + Word phrases enclosed in `backtick characters` are rendered literally + and will not be further expanded. The use of `backticks` to achieve the + previous rule means that literal examples should not use AsciiDoc + escapes. + Correct: + `--pretty=oneline` + Incorrect: + `\--pretty=oneline` + + Placeholders are spelled in lowercase and enclosed in + angle brackets surrounded by underscores: + _<file>_ + _<commit>_ If a placeholder has multiple words, they are separated by dashes: - <new-branch-name> - --template=<template-directory> + _<new-branch-name>_ + _<template-directory>_ + + A placeholder is not enclosed in backticks, as it is not a literal. - When a placeholder is cited in text paragraph, it is enclosed in angle - brackets to remind the reader the reference in the synopsis section. - For better visibility, the placeholder is typeset in italics: - The _<file>_ to be added. + When needed, use a distinctive identifier for placeholders, usually + made of a qualification and a type: + _<git-dir>_ + _<key-id>_ + + When literal and placeholders are mixed, each markup is applied for + each sub-entity. If they are stuck, a special markup, called + unconstrained formatting is required. + Unconstrained formating for placeholders is __<like-this>__ + Unconstrained formatting for literal formatting is ++like this++ + `--jobs` _<n>_ + ++--sort=++__<key>__ + __<directory>__++/.git++ + ++remote.++__<name>__++.mirror++ + + caveat: ++ unconstrained format is not verbatim and may expand + content. Use Asciidoc escapes inside them. + +Synopsis Syntax + + Syntax grammar is formatted neither as literal nor as placeholder. + + A few commented examples follow to provide reference when writing or + modifying command usage strings and synopsis sections in the manual + pages: Possibility of multiple occurrences is indicated by three dots: - <file>... + _<file>_... (One or more of <file>.) Optional parts are enclosed in square brackets: - [<file>...] + [_<file>_...] (Zero or more of <file>.) - --exec-path[=<path>] + ++--exec-path++[++=++__<path>__] (Option with an optional argument. Note that the "=" is inside the brackets.) - [<patch>...] + [_<patch>_...] (Zero or more of <patch>. Note that the dots are inside, not outside the brackets.) Multiple alternatives are indicated with vertical bars: - [-q | --quiet] - [--utf8 | --no-utf8] + [`-q` | `--quiet`] + [`--utf8` | `--no-utf8`] Use spacing around "|" token(s), but not immediately after opening or before closing a [] or () pair: - Do: [-q | --quiet] - Don't: [-q|--quiet] + Do: [`-q` | `--quiet`] + Don't: [`-q`|`--quiet`] Don't use spacing around "|" tokens when they're used to separate the alternate arguments of an option: - Do: --track[=(direct|inherit)] - Don't: --track[=(direct | inherit)] + Do: ++--track++[++=++(`direct`|`inherit`)]` + Don't: ++--track++[++=++(`direct` | `inherit`)] Parentheses are used for grouping: - [(<rev> | <range>)...] + [(_<rev>_ | _<range>_)...] (Any number of either <rev> or <range>. Parens are needed to make it clear that "..." pertains to both <rev> and <range>.) - [(-p <parent>)...] + [(`-p` _<parent>_)...] (Any number of option -p, each with one <parent> argument.) - git remote set-head <name> (-a | -d | <branch>) + `git remote set-head` _<name>_ (`-a` | `-d` | _<branch>_) (One and only one of "-a", "-d" or "<branch>" _must_ (no square brackets) be provided.) And a somewhat more contrived example: - --diff-filter=[(A|C|D|M|R|T|U|X|B)...[*]] + `--diff-filter=[(A|C|D|M|R|T|U|X|B)...[*]]` Here "=" is outside the brackets, because "--diff-filter=" is a valid usage. "*" has its own pair of brackets, because it can (optionally) be specified only when one or more of the letters is @@ -754,39 +820,6 @@ Writing Documentation: the user would type into a shell and use 'Git' (uppercase first letter) when talking about the version control system and its properties. - A few commented examples follow to provide reference when writing or - modifying paragraphs or option/command explanations that contain options - or commands: - - Literal examples (e.g. use of command-line options, command names, - branch names, URLs, pathnames (files and directories), configuration and - environment variables) must be typeset in monospace (i.e. wrapped with - backticks): - `--pretty=oneline` - `git rev-list` - `remote.pushDefault` - `http://git.example.com` - `.git/config` - `GIT_DIR` - `HEAD` - - An environment variable must be prefixed with "$" only when referring to its - value and not when referring to the variable itself, in this case there is - nothing to add except the backticks: - `GIT_DIR` is specified - `$GIT_DIR/hooks/pre-receive` - - Word phrases enclosed in `backtick characters` are rendered literally - and will not be further expanded. The use of `backticks` to achieve the - previous rule means that literal examples should not use AsciiDoc - escapes. - Correct: - `--pretty=oneline` - Incorrect: - `\--pretty=oneline` - -A placeholder is not enclosed in backticks, as it is not a literal. - If some place in the documentation needs to typeset a command usage example with inline substitutions, it is fine to use +monospaced and inline substituted text+ instead of `monospaced literal text`, and with diff --git a/Documentation/MyFirstObjectWalk.txt b/Documentation/MyFirstObjectWalk.txt index c68cdb11b9..dec8afe5b1 100644 --- a/Documentation/MyFirstObjectWalk.txt +++ b/Documentation/MyFirstObjectWalk.txt @@ -210,13 +210,14 @@ We'll also need to include the `config.h` header: ... -static int git_walken_config(const char *var, const char *value, void *cb) +static int git_walken_config(const char *var, const char *value, + const struct config_context *ctx, void *cb) { /* * For now, we don't have any custom configuration, so fall back to * the default config. */ - return git_default_config(var, value, cb); + return git_default_config(var, value, ctx, cb); } ---- @@ -389,10 +390,11 @@ modifying `rev_info.grep_filter`, which is a `struct grep_opt`. First some setup. Add `grep_config()` to `git_walken_config()`: ---- -static int git_walken_config(const char *var, const char *value, void *cb) +static int git_walken_config(const char *var, const char *value, + const struct config_context *ctx, void *cb) { - grep_config(var, value, cb); - return git_default_config(var, value, cb); + grep_config(var, value, ctx, cb); + return git_default_config(var, value, ctx, cb); } ---- @@ -523,7 +525,7 @@ about each one. We can base our work on an example. `git pack-objects` prepares all kinds of objects for packing into a bitmap or packfile. The work we are interested in -resides in `builtins/pack-objects.c:get_object_list()`; examination of that +resides in `builtin/pack-objects.c:get_object_list()`; examination of that function shows that the all-object walk is being performed by `traverse_commit_list()` or `traverse_commit_list_filtered()`. Those two functions reside in `list-objects.c`; examining the source shows that, despite @@ -732,8 +734,8 @@ walk we've just performed: } else { trace_printf( _("Filtered object walk with filterspec 'tree:1'.\n")); - CALLOC_ARRAY(rev->filter, 1); - parse_list_objects_filter(rev->filter, "tree:1"); + + parse_list_objects_filter(&rev->filter, "tree:1"); } traverse_commit_list(rev, walken_show_commit, walken_show_object, NULL); @@ -752,10 +754,12 @@ points to the same tree object as its grandparent.) === Counting Omitted Objects We also have the capability to enumerate all objects which were omitted by a -filter, like with `git log --filter=<spec> --filter-print-omitted`. Asking -`traverse_commit_list_filtered()` to populate the `omitted` list means that our -object walk does not perform any better than an unfiltered object walk; all -reachable objects are walked in order to populate the list. +filter, like with `git log --filter=<spec> --filter-print-omitted`. To do this, +change `traverse_commit_list()` to `traverse_commit_list_filtered()`, which is +able to populate an `omitted` list. Asking for this list of filtered objects +may cause performance degradations, however, because in this case, despite +filtering objects, the possibly much larger set of all reachable objects must +be processed in order to populate that list. First, add the `struct oidset` and related items we will use to iterate it: @@ -776,8 +780,9 @@ static void walken_object_walk( ... ---- -Modify the call to `traverse_commit_list_filtered()` to include your `omitted` -object: +Replace the call to `traverse_commit_list()` with +`traverse_commit_list_filtered()` and pass a pointer to the `omitted` oidset +defined and initialized above: ---- ... @@ -843,7 +848,7 @@ those lines without having to recompile. With only that change, run again (but save yourself some scrollback): ---- -$ GIT_TRACE=1 ./bin-wrappers/git walken | head -n 10 +$ GIT_TRACE=1 ./bin-wrappers/git walken 2>&1 | head -n 10 ---- Take a look at the top commit with `git show` and the object ID you printed; it @@ -871,7 +876,7 @@ of the first handful: ---- $ make -$ GIT_TRACE=1 ./bin-wrappers git walken | tail -n 10 +$ GIT_TRACE=1 ./bin-wrappers/git walken 2>&1 | tail -n 10 ---- The last commit object given should have the same OID as the one we saw at the diff --git a/Documentation/RelNotes/2.45.0.txt b/Documentation/RelNotes/2.45.0.txt index fe8832b8df..039cce7708 100644 --- a/Documentation/RelNotes/2.45.0.txt +++ b/Documentation/RelNotes/2.45.0.txt @@ -24,6 +24,66 @@ UI, Workflows & Features * "git for-each-ref" learned "--include-root-refs" option to show even the stuff outside the 'refs/' hierarchy. + * "git rev-list --missing=print" has learned to optionally take + "--allow-missing-tips", which allows the objects at the starting + points to be missing. + + * "git merge-tree" has learned that the three trees involved in the + 3-way merge only need to be trees, not necessarily commits. + + * "git log --merge" learned to pay attention to CHERRY_PICK_HEAD and + other kinds of *_HEAD pseudorefs. + + * Platform specific tweaks for OS/390 has been added to + config.mak.uname. + + * Users with safe.bareRepository=explicit can still work from within + $GIT_DIR of a seconary worktree (which resides at .git/worktrees/$name/) + of the primary worktree without explicitly specifying the $GIT_DIR + environment variable or the --git-dir=<path> option. + + * The output format for dates "iso-strict" has been tweaked to show + a time in the Zulu timezone with "Z" suffix, instead of "+00:00". + + * "git diff" and friends learned two extra configuration variables, + diff.srcPrefix and diff.dstPrefix. + + * The status.showUntrackedFiles configuration variable had a name + that tempts users to set a Boolean value expressed in our usual + "false", "off", and "0", but it only took "no". This has been + corrected so "true" and its synonyms are taken as "normal", while + "false" and its synonyms are taken as "no". + + * Remove an ancient and not well maintained Hg-to-git migration + script from contrib/. + + * Hints that suggest what to do after resolving conflicts can now be + squelched by disabling advice.mergeConflict. + + * Allow git-cherry-pick(1) to automatically drop redundant commits via + a new `--empty` option, similar to the `--empty` options for + git-rebase(1) and git-am(1). Includes a soft deprecation of + `--keep-redundant-commits` as well as some related docs changes and + sequencer code cleanup. + + * "git config" learned "--comment=<message>" option to leave a + comment immediately after the "variable = value" on the same line + in the configuration file. + + * core.commentChar used to be limited to a single byte, but has been + updated to allow an arbitrary multi-byte sequence. + + * "git add -p" and other "interactive hunk selection" UI has learned to + skip showing the hunk immediately after it has already been shown, and + an additional action to explicitly ask to reshow the current hunk. + + * "git pack-refs" learned the "--auto" option, which is a useful + addition to be triggered from "git gc --auto". + + * "git add -u <pathspec>" and "git commit [-i] <pathspec>" did not + diagnose a pathspec element that did not match any files in certain + situations, unlike "git add <pathspec>" did. + Performance, Internal Implementation, Development Support etc. @@ -40,6 +100,79 @@ Performance, Internal Implementation, Development Support etc. specified; use "_<placeholder>_" to typeset the word inside a pair of <angle-brakets> emphasized. + * "git --no-lazy-fetch cmd" allows to run "cmd" while disabling lazy + fetching of objects from the promisor remote, which may be handy + for debugging. + + * The implementation in "git clean" that makes "-n" and "-i" ignore + clean.requireForce has been simplified, together with the + documentation. + + * The code to iterate over refs with the reftable backend has seen + some optimization. + + * Uses of xwrite() helper have been audited and updated for better + error checking and simpler code. + + * Some trace2 events that lacked def_param have learned to show it, + enriching the output. + + * The parse-options code that deals with abbreviated long option + names have been cleaned up. + + * The code in reftable backend that creates new table files works + better with the tempfile framework to avoid leaving cruft after a + failure. + + * The reftable code has its own custom binary search function whose + comparison callback has an unusual interface, which caused the + binary search to degenerate into a linear search, which has been + corrected. + + * The code to iterate over reflogs in the reftable has been optimized + to reduce memory allocation and deallocation. + + * Work to support a repository that work with both SHA-1 and SHA-256 + hash algorithms has started. + + * A new fuzz target that exercises config parsing code has been + added. + + * Fix the way recently added tests interpolate variables defined + outside them, and document the best practice to help future + developers. + + * Introduce an experimental protocol for contributors to propose the + topic description to be used in the "What's cooking" report, the + merge commit message for the topic, and in the release notes and + document it in the SubmittingPatches document. + + * The t/README file now gives a hint on running individual tests in + the "t/" directory with "make t<num>-*.sh t<num>-*.sh". + (merge 8d383806fc pb/test-scripts-are-build-targets later to maint). + + * The "hint:" messages given by the advice mechanism, when given a + message with a blank line, left a line with trailing whitespace, + which has been cleansed. + + * Documentation rules has been explicitly described how to mark-up + literal parts and a few manual pages have been updated as examples. + + * The .editorconfig file has been taught that a Makefile uses HT + indentation. + + * t-prio-queue test has been cleaned up by using C99 compound + literals; this is meant to also serve as a weather-balloon to smoke + out folks with compilers who have trouble compiling code that uses + the feature. + + * Windows binary used to decide the use of unix-domain socket at + build time, but it learned to make the decision at runtime instead. + + * The "shared repository" test in the t0610 reftable test failed + under restrictive umask setting (e.g. 007), which has been + corrected. + Fixes since v2.44 ----------------- @@ -94,6 +227,160 @@ Fixes since v2.44 to be the first header file. (merge 4e89f0e07c jc/doc-compat-util later to maint). + * "git commit -v --cleanup=scissors" used to add the scissors line + twice in the log message buffer, which has been corrected. + (merge e90cc075cc jt/commit-redundant-scissors-fix later to maint). + + * A custom remote helper no longer cannot access the newly created + repository during "git clone", which is a regression in Git 2.44. + This has been corrected. + (merge 199f44cb2e ps/remote-helper-repo-initialization-fix later to maint). + + * Various parts of upload-pack has been updated to bound the resource + consumption relative to the size of the repository to protect from + abusive clients. + (merge 6cd05e768b jk/upload-pack-bounded-resources later to maint). + + * The upload-pack program, when talking over v2, accepted the + packfile-uris protocol extension from the client, even if it did + not advertise the capability, which has been corrected. + (merge a922bfa3b5 jk/upload-pack-v2-capability-cleanup later to maint). + + * Make sure failure return from merge_bases_many() is properly caught. + (merge 25fd20eb44 js/merge-base-with-missing-commit later to maint). + + * FSMonitor client code was confused when FSEvents were given in a + different case on a case-insensitive filesystem, which has been + corrected. + (merge 29c139ce78 jh/fsmonitor-icase-corner-case-fix later to maint). + + * The "core.commentChar" configuration variable only allows an ASCII + character, which was not clearly documented, which has been + corrected. + (merge fb7c556f58 kh/doc-commentchar-is-a-byte later to maint). + + * With release 2.44 we got rid of all uses of test_i18ngrep and there + is no in-flight topic that adds a new use of it. Make a call to + test_i18ngrep a hard failure, so that we can remove it at the end + of this release cycle. + (merge 381a83dfa3 jc/test-i18ngrep later to maint). + + * The command line completion script (in contrib/) learned to + complete "git reflog" better. + (merge 1284f9cc11 rj/complete-reflog later to maint). + + * The logic to complete the command line arguments to "git worktree" + subcommand (in contrib/) has been updated to correctly honor things + like "git -C dir" etc. + (merge 3574816d98 rj/complete-worktree-paths-fix later to maint). + + * When git refuses to create a branch because the proposed branch + name is not a valid refname, an advice message is given to refer + the user to exact naming rules. + (merge 8fbd903e58 kh/branch-ref-syntax-advice later to maint). + + * Code simplification by getting rid of code that sets an environment + variable that is no longer used. + (merge 72a8d3f027 pw/rebase-i-ignore-cherry-pick-help-environment later to maint). + + * The code to find the effective end of log message can fall into an + endless loop, which has been corrected. + (merge 2541cba2d6 fs/find-end-of-log-message-fix later to maint). + + * Mark-ups used in the documentation has been improved for + consistency. + (merge 45d5ed3e50 ja/doc-markup-fixes later to maint). + + * The status.showUntrackedFiles configuration variable was + incorrectly documented to accept "false", which has been corrected. + + * Leaks from "git restore" have been plugged. + (merge 2f64da0790 rj/restore-plug-leaks later to maint). + + * "git bugreport --no-suffix" was not supported and instead + segfaulted, which has been corrected. + (merge b3b57c69da js/bugreport-no-suffix-fix later to maint). + + * The documentation for "%(trailers[:options])" placeholder in the + "--pretty" option of commands in the "git log" family has been + updated. + (merge bff85a338c bl/doc-key-val-sep-fix later to maint). + + * "git checkout --conflict=bad" reported a bad conflictStyle as if it + were given to a configuration variable; it has been corrected to + report that the command line option is bad. + (merge 5a99c1ac1a pw/checkout-conflict-errorfix later to maint). + + * Code clean-up in the "git log" machinery that implements custom log + message formatting. + (merge 1c10b8e5b0 jk/pretty-subject-cleanup later to maint). + + * "git config" corrupted literal HT characters written in the + configuration file as part of a value, which has been corrected. + (merge e6895c3f97 ds/config-internal-whitespace-fix later to maint). + + * A unit test for reftable code tried to enumerate all files in a + directory after reftable operations and expected to see nothing but + the files it wanted to leave there, but was fooled by .nfs* cruft + files left, which has been corrected. + (merge 0068aa7946 ps/reftable-unit-test-nfs-workaround later to maint). + + * The implementation and documentation of "object-format" option + exchange between the Git itself and its remote helpers did not + quite match, which has been corrected. + + * The "--pretty=<shortHand>" option of the commands in the "git log" + family, defined as "[pretty] shortHand = <expansion>" should have + been looked up case insensitively, but was not, which has been + corrected. + (merge f999d5188b bl/pretty-shorthand-config-fix later to maint). + + * "git apply" failed to extract the filename the patch applied to, + when the change was about an empty file created in or deleted from + a directory whose name ends with a SP, which has been corrected. + (merge 776ffd1a30 jc/apply-parse-diff-git-header-names-fix later to maint). + + * Update a more recent tutorial doc. + (merge 95ab557b4b dg/myfirstobjectwalk-updates later to maint). + + * The test script had an incomplete and ineffective attempt to avoid + clobbering the testing user's real crontab (and its equivalents), + which has been completed. + (merge 73cb87773b es/test-cron-safety later to maint). + + * Use advice_if_enabled() API to rewrite a simple pattern to + call advise() after checking advice_enabled(). + (merge 6412d01527 rj/use-adv-if-enabled later to maint). + + * Another "set -u" fix for the bash prompt (in contrib/) script. + (merge d7805bc743 vs/complete-with-set-u-fix later to maint). + + * "git checkout/switch --detach foo", after switching to the detached + HEAD state, gave the tracking information for the 'foo' branch, + which was pointless. + + * "git apply" has been updated to lift the hardcoded pathname length + limit, which in turn allowed a mksnpath() function that is no + longer used. + (merge 708f7e0590 rs/apply-lift-path-length-limit later to maint). + + * A file descriptor leak in an error codepath, used when "git apply + --reject" fails to create the *.rej file, has been corrected. + (merge 2b1f456adf rs/apply-reject-fd-leakfix later to maint). + + * A config parser callback function fell through instead of returning + after recognising and processing a variable, wasting cycles, which + has been corrected. + (merge a816ccd642 ds/fetch-config-parse-microfix later to maint). + + * Fix was added to work around a regression in libcURL 8.7.0 (which has + already been fixed in their tip of the tree). + (merge 92a209bf24 jk/libcurl-8.7-regression-workaround later to maint). + + * The variable that holds the value read from the core.excludefile + configuration variable used to leak, which has been corrected. + (merge 0e0fefb29f jc/unleak-core-excludesfile later to maint). + * Other code cleanup, docfix, build fix, etc. (merge f0e578c69c rs/use-xstrncmpz later to maint). (merge 83e6eb7d7a ba/credential-test-clean-fix later to maint). @@ -108,3 +395,16 @@ Fixes since v2.44 (merge f39addd0d9 rs/name-rev-with-mempool later to maint). (merge 9a97b43e03 rs/submodule-prefix-simplify later to maint). (merge 40b8076462 ak/rebase-autosquash later to maint). + (merge 3223204456 eg/add-uflags later to maint). + (merge 5f78d52dce es/config-doc-sort-sections later to maint). + (merge 781fb7b4c2 as/option-names-in-messages later to maint). + (merge 51d41dc243 jk/doc-remote-helpers-markup-fix later to maint). + (merge e1aaf309db pb/ci-win-artifact-names-fix later to maint). + (merge ad538c61da jc/index-pack-fsck-levels later to maint). + (merge 67471bc704 ja/doc-formatting-fix later to maint). + (merge 86f9ce7dd6 bl/doc-config-fixes later to maint). + (merge 0d527842b7 az/grep-group-error-message-update later to maint). + (merge 7c43bdf07b rs/strbuf-expand-bad-format later to maint). + (merge 8b68b48d5c ds/typofix-core-config-doc later to maint). + (merge 39bb692152 rs/imap-send-use-xsnprintf later to maint). + (merge 8d320cec60 jc/t2104-style-fixes later to maint). diff --git a/Documentation/SubmittingPatches b/Documentation/SubmittingPatches index e734a3f0f1..c647c7e1b4 100644 --- a/Documentation/SubmittingPatches +++ b/Documentation/SubmittingPatches @@ -459,6 +459,18 @@ an explanation of changes between each iteration can be kept in Git-notes and inserted automatically following the three-dash line via `git format-patch --notes`. +[[the-topic-summary]] +*This is EXPERIMENTAL*. + +When sending a topic, you can propose a one-paragraph summary that +should appear in the "What's cooking" report when it is picked up to +explain the topic. If you choose to do so, please write a 2-5 line +paragraph that will fit well in our release notes (see many bulleted +entries in the Documentation/RelNotes/* files for examples), and make +it the first paragraph of the cover letter. For a single-patch +series, use the space between the three-dash line and the diffstat, as +described earlier. + [[attachment]] Do not attach the patch as a MIME attachment, compressed or not. Do not let your e-mail client send quoted-printable. Do not let diff --git a/Documentation/config.txt b/Documentation/config.txt index e3a74dd1c1..70b448b132 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -22,9 +22,10 @@ multivalued. Syntax ~~~~~~ -The syntax is fairly flexible and permissive; whitespaces are mostly -ignored. The '#' and ';' characters begin comments to the end of line, -blank lines are ignored. +The syntax is fairly flexible and permissive. Whitespace characters, +which in this context are the space character (SP) and the horizontal +tabulation (HT), are mostly ignored. The '#' and ';' characters begin +comments to the end of line. Blank lines are ignored. The file consists of sections and variables. A section begins with the name of the section in square brackets and continues until the next @@ -63,16 +64,17 @@ the variable is the boolean "true"). The variable names are case-insensitive, allow only alphanumeric characters and `-`, and must start with an alphabetic character. -A line that defines a value can be continued to the next line by -ending it with a `\`; the backslash and the end-of-line are -stripped. Leading whitespaces after 'name =', the remainder of the -line after the first comment character '#' or ';', and trailing -whitespaces of the line are discarded unless they are enclosed in -double quotes. Internal whitespaces within the value are retained -verbatim. +Whitespace characters surrounding `name`, `=` and `value` are discarded. +Internal whitespace characters within 'value' are retained verbatim. +Comments starting with either `#` or `;` and extending to the end of line +are discarded. A line that defines a value can be continued to the next +line by ending it with a backslash (`\`); the backslash and the end-of-line +characters are discarded. -Inside double quotes, double quote `"` and backslash `\` characters -must be escaped: use `\"` for `"` and `\\` for `\`. +If `value` needs to contain leading or trailing whitespace characters, +it must be enclosed in double quotation marks (`"`). Inside double quotation +marks, double quote (`"`) and backslash (`\`) characters must be escaped: +use `\"` for `"` and `\\` for `\`. The following escape sequences (beside `\"` and `\\`) are recognized: `\n` for newline character (NL), `\t` for horizontal tabulation (HT, TAB) @@ -369,20 +371,18 @@ inventing new variables for use in your own tool, make sure their names do not conflict with those that are used by Git itself and other popular tools, and describe them in your documentation. -include::config/advice.txt[] - -include::config/attr.txt[] - -include::config/core.txt[] - include::config/add.txt[] +include::config/advice.txt[] + include::config/alias.txt[] include::config/am.txt[] include::config/apply.txt[] +include::config/attr.txt[] + include::config/blame.txt[] include::config/branch.txt[] @@ -405,10 +405,12 @@ include::config/commit.txt[] include::config/commitgraph.txt[] -include::config/credential.txt[] - include::config/completion.txt[] +include::config/core.txt[] + +include::config/credential.txt[] + include::config/diff.txt[] include::config/difftool.txt[] @@ -421,10 +423,10 @@ include::config/feature.txt[] include::config/fetch.txt[] -include::config/format.txt[] - include::config/filter.txt[] +include::config/format.txt[] + include::config/fsck.txt[] include::config/fsmonitor--daemon.txt[] @@ -435,10 +437,10 @@ include::config/gitcvs.txt[] include::config/gitweb.txt[] -include::config/grep.txt[] - include::config/gpg.txt[] +include::config/grep.txt[] + include::config/gui.txt[] include::config/guitool.txt[] @@ -519,10 +521,10 @@ include::config/splitindex.txt[] include::config/ssh.txt[] -include::config/status.txt[] - include::config/stash.txt[] +include::config/status.txt[] + include::config/submodule.txt[] include::config/tag.txt[] diff --git a/Documentation/config/advice.txt b/Documentation/config/advice.txt index dde8e7840e..0e35ae5240 100644 --- a/Documentation/config/advice.txt +++ b/Documentation/config/advice.txt @@ -2,27 +2,27 @@ advice.*:: These variables control various optional help messages designed to aid new users. When left unconfigured, Git will give the message alongside instructions on how to squelch it. You can tell Git - that you do not need the help message by setting these to 'false': + that you do not need the help message by setting these to `false`: + -- addEmbeddedRepo:: - Advice on what to do when you've accidentally added one + Shown when the user accidentally adds one git repo inside of another. addEmptyPathspec:: - Advice shown if a user runs the add command without providing + Shown when the user runs `git add` without providing the pathspec parameter. addIgnoredFile:: - Advice shown if a user attempts to add an ignored file to + Shown when the user attempts to add an ignored file to the index. amWorkDir:: - Advice that shows the location of the patch file when - linkgit:git-am[1] fails to apply it. + Shown when linkgit:git-am[1] fails to apply a patch + file, to tell the user the location of the file. ambiguousFetchRefspec:: - Advice shown when a fetch refspec for multiple remotes maps to + Shown when a fetch refspec for multiple remotes maps to the same remote-tracking branch namespace and causes branch tracking set-up to fail. checkoutAmbiguousRemoteBranchName:: - Advice shown when the argument to + Shown when the argument to linkgit:git-checkout[1] and linkgit:git-switch[1] ambiguously resolves to a remote tracking branch on more than one remote in @@ -33,31 +33,33 @@ advice.*:: to be used by default in some situations where this advice would be printed. commitBeforeMerge:: - Advice shown when linkgit:git-merge[1] refuses to + Shown when linkgit:git-merge[1] refuses to merge to avoid overwriting local changes. detachedHead:: - Advice shown when you used + Shown when the user uses linkgit:git-switch[1] or linkgit:git-checkout[1] - to move to the detached HEAD state, to instruct how to - create a local branch after the fact. + to move to the detached HEAD state, to tell the user how + to create a local branch after the fact. diverging:: - Advice shown when a fast-forward is not possible. + Shown when a fast-forward is not possible. fetchShowForcedUpdates:: - Advice shown when linkgit:git-fetch[1] takes a long time + Shown when linkgit:git-fetch[1] takes a long time to calculate forced updates after ref updates, or to warn that the check is disabled. forceDeleteBranch:: - Advice shown when a user tries to delete a not fully merged + Shown when the user tries to delete a not fully merged branch without the force option set. ignoredHook:: - Advice shown if a hook is ignored because the hook is not + Shown when a hook is ignored because the hook is not set as executable. implicitIdentity:: - Advice on how to set your identity configuration when - your information is guessed from the system username and - domain name. + Shown when the user's information is guessed from the + system username and domain name, to tell the user how to + set their identity configuration. + mergeConflict:: + Shown when various commands stop because of conflicts. nestedTag:: - Advice shown if a user attempts to recursively tag a tag object. + Shown when a user attempts to recursively tag a tag object. pushAlreadyExists:: Shown when linkgit:git-push[1] rejects an update that does not qualify for fast-forwarding (e.g., a tag.) @@ -71,12 +73,12 @@ advice.*:: object that is not a commit-ish, or make the remote ref point at an object that is not a commit-ish. pushNonFFCurrent:: - Advice shown when linkgit:git-push[1] fails due to a + Shown when linkgit:git-push[1] fails due to a non-fast-forward update to the current branch. pushNonFFMatching:: - Advice shown when you ran linkgit:git-push[1] and pushed - 'matching refs' explicitly (i.e. you used ':', or - specified a refspec that isn't your current branch) and + Shown when the user ran linkgit:git-push[1] and pushed + "matching refs" explicitly (i.e. used `:`, or + specified a refspec that isn't the current branch) and it resulted in a non-fast-forward error. pushRefNeedsUpdate:: Shown when linkgit:git-push[1] rejects a forced update of @@ -87,25 +89,28 @@ advice.*:: guess based on the source and destination refs what remote ref namespace the source belongs in, but where we can still suggest that the user push to either - refs/heads/* or refs/tags/* based on the type of the + `refs/heads/*` or `refs/tags/*` based on the type of the source object. pushUpdateRejected:: - Set this variable to 'false' if you want to disable - 'pushNonFFCurrent', 'pushNonFFMatching', 'pushAlreadyExists', - 'pushFetchFirst', 'pushNeedsForce', and 'pushRefNeedsUpdate' + Set this variable to `false` if you want to disable + `pushNonFFCurrent`, `pushNonFFMatching`, `pushAlreadyExists`, + `pushFetchFirst`, `pushNeedsForce`, and `pushRefNeedsUpdate` simultaneously. + refSyntax:: + Shown when the user provides an illegal ref name, to + tell the user about the ref syntax documentation. resetNoRefresh:: - Advice to consider using the `--no-refresh` option to - linkgit:git-reset[1] when the command takes more than 2 seconds - to refresh the index after reset. + Shown when linkgit:git-reset[1] takes more than 2 + seconds to refresh the index after reset, to tell the user + that they can use the `--no-refresh` option. resolveConflict:: - Advice shown by various commands when conflicts + Shown by various commands when conflicts prevent the operation from being performed. rmHints:: - In case of failure in the output of linkgit:git-rm[1], - show directions on how to proceed from the current state. + Shown on failure in the output of linkgit:git-rm[1], to + give directions on how to proceed from the current state. sequencerInUse:: - Advice shown when a sequencer command is already in progress. + Shown when a sequencer command is already in progress. skippedCherryPicks:: Shown when linkgit:git-rebase[1] skips a commit that has already been cherry-picked onto the upstream branch. @@ -123,30 +128,30 @@ advice.*:: by linkgit:git-switch[1] or linkgit:git-checkout[1] when switching branches. statusUoption:: - Advise to consider using the `-u` option to linkgit:git-status[1] - when the command takes more than 2 seconds to enumerate untracked - files. + Shown when linkgit:git-status[1] takes more than 2 + seconds to enumerate untracked files, to tell the user that + they can use the `-u` option. submoduleAlternateErrorStrategyDie:: - Advice shown when a submodule.alternateErrorStrategy option + Shown when a submodule.alternateErrorStrategy option configured to "die" causes a fatal error. submoduleMergeConflict:: Advice shown when a non-trivial submodule merge conflict is encountered. submodulesNotUpdated:: - Advice shown when a user runs a submodule command that fails + Shown when a user runs a submodule command that fails because `git submodule update --init` was not run. suggestDetachingHead:: - Advice shown when linkgit:git-switch[1] refuses to detach HEAD + Shown when linkgit:git-switch[1] refuses to detach HEAD without the explicit `--detach` option. updateSparsePath:: - Advice shown when either linkgit:git-add[1] or linkgit:git-rm[1] + Shown when either linkgit:git-add[1] or linkgit:git-rm[1] is asked to update index entries outside the current sparse checkout. waitingForEditor:: - Print a message to the terminal whenever Git is waiting for - editor input from the user. + Shown when Git is waiting for editor input. Relevant + when e.g. the editor is not launched inside the terminal. worktreeAddOrphan:: - Advice shown when a user tries to create a worktree from an - invalid reference, to instruct how to create a new unborn + Shown when the user tries to create a worktree from an + invalid reference, to tell the user how to create a new unborn branch instead. -- diff --git a/Documentation/config/clean.txt b/Documentation/config/clean.txt index f05b9403b5..c0188ead4e 100644 --- a/Documentation/config/clean.txt +++ b/Documentation/config/clean.txt @@ -1,3 +1,3 @@ clean.requireForce:: - A boolean to make git-clean do nothing unless given -f, - -i, or -n. Defaults to true. + A boolean to make git-clean refuse to delete files unless -f + is given. Defaults to true. diff --git a/Documentation/config/clone.txt b/Documentation/config/clone.txt index d037b57f72..0a10efd174 100644 --- a/Documentation/config/clone.txt +++ b/Documentation/config/clone.txt @@ -1,13 +1,23 @@ -clone.defaultRemoteName:: +`clone.defaultRemoteName`:: The name of the remote to create when cloning a repository. Defaults to - `origin`, and can be overridden by passing the `--origin` command-line + `origin`. +ifdef::git-clone[] + It can be overridden by passing the `--origin` command-line + option. +endif::[] +ifndef::git-clone[] + It can be overridden by passing the `--origin` command-line option to linkgit:git-clone[1]. +endif::[] -clone.rejectShallow:: +`clone.rejectShallow`:: Reject cloning a repository if it is a shallow one; this can be overridden by - passing the `--reject-shallow` option on the command line. See linkgit:git-clone[1] + passing the `--reject-shallow` option on the command line. +ifndef::git-clone[] + See linkgit:git-clone[1]. +endif::[] -clone.filterSubmodules:: +`clone.filterSubmodules`:: If a partial clone filter is provided (see `--filter` in linkgit:git-rev-list[1]) and `--recurse-submodules` is used, also apply the filter to submodules. diff --git a/Documentation/config/core.txt b/Documentation/config/core.txt index 0e8c2832bf..93d65e1dfd 100644 --- a/Documentation/config/core.txt +++ b/Documentation/config/core.txt @@ -520,6 +520,7 @@ core.editor:: `GIT_EDITOR` is not set. See linkgit:git-var[1]. core.commentChar:: +core.commentString:: Commands such as `commit` and `tag` that let you edit messages consider a line that begins with this character commented, and removes them after the editor returns @@ -527,6 +528,20 @@ core.commentChar:: + If set to "auto", `git-commit` would select a character that is not the beginning character of any line in existing commit messages. ++ +Note that these two variables are aliases of each other, and in modern +versions of Git you are free to use a string (e.g., `//` or `⁑⁕⁑`) with +`commentChar`. Versions of Git prior to v2.45.0 will ignore +`commentString` but will reject a value of `commentChar` that consists +of more than a single ASCII byte. If you plan to use your config with +older and newer versions of Git, you may want to specify both: ++ + [core] + # single character for older versions + commentChar = "#" + # string for newer versions (which will override commentChar + # because it comes later in the file) + commentString = "//" core.filesRefLockTimeout:: The length of time, in milliseconds, to retry when trying to @@ -688,7 +703,7 @@ core.createObject:: will not overwrite existing objects. + On some file system/operating system combinations, this is unreliable. -Set this config setting to 'rename' there; However, This will remove the +Set this config setting to 'rename' there; however, this will remove the check that makes sure that existing object files will not get overwritten. core.notesRef:: diff --git a/Documentation/config/diff.txt b/Documentation/config/diff.txt index 6c7e09a1ef..5ce7b91f1d 100644 --- a/Documentation/config/diff.txt +++ b/Documentation/config/diff.txt @@ -108,9 +108,15 @@ diff.mnemonicPrefix:: `git diff --no-index a b`;; compares two non-git things (1) and (2). -diff.noprefix:: +diff.noPrefix:: If set, 'git diff' does not show any source or destination prefix. +diff.srcPrefix:: + If set, 'git diff' uses this source prefix. Defaults to "a/". + +diff.dstPrefix:: + If set, 'git diff' uses this destination prefix. Defaults to "b/". + diff.relative:: If set to 'true', 'git diff' does not show changes outside of the directory and show pathnames relative to the current directory. diff --git a/Documentation/config/extensions.txt b/Documentation/config/extensions.txt index 66db0e15da..38dce3df35 100644 --- a/Documentation/config/extensions.txt +++ b/Documentation/config/extensions.txt @@ -7,6 +7,18 @@ Note that this setting should only be set by linkgit:git-init[1] or linkgit:git-clone[1]. Trying to change it after initialization will not work and will produce hard-to-diagnose issues. +extensions.compatObjectFormat:: + + Specify a compatitbility hash algorithm to use. The acceptable values + are `sha1` and `sha256`. The value specified must be different from the + value of extensions.objectFormat. This allows client level + interoperability between git repositories whose objectFormat matches + this compatObjectFormat. In particular when fully implemented the + pushes and pulls from a repository in whose objectFormat matches + compatObjectFormat. As well as being able to use oids encoded in + compatObjectFormat in addition to oids encoded with objectFormat to + locally specify objects. + extensions.refStorage:: Specify the ref storage format to use. The acceptable values are: + diff --git a/Documentation/config/grep.txt b/Documentation/config/grep.txt index e521f20390..10041f27b0 100644 --- a/Documentation/config/grep.txt +++ b/Documentation/config/grep.txt @@ -24,5 +24,5 @@ grep.fullName:: If set to true, enable `--full-name` option by default. grep.fallbackToNoIndex:: - If set to true, fall back to git grep --no-index if git grep + If set to true, fall back to `git grep --no-index` if `git grep` is executed outside of a git repository. Defaults to false. diff --git a/Documentation/config/init.txt b/Documentation/config/init.txt index 79c79d6617..af03acdbcb 100644 --- a/Documentation/config/init.txt +++ b/Documentation/config/init.txt @@ -1,7 +1,10 @@ -init.templateDir:: - Specify the directory from which templates will be copied. - (See the "TEMPLATE DIRECTORY" section of linkgit:git-init[1].) +:see-git-init: +ifndef::git-init[] +:see-git-init: (See the "TEMPLATE DIRECTORY" section of linkgit:git-init[1].) +endif::[] -init.defaultBranch:: +`init.templateDir`:: + Specify the directory from which templates will be copied. {see-git-init} +`init.defaultBranch`:: Allows overriding the default branch name e.g. when initializing a new repository. diff --git a/Documentation/config/status.txt b/Documentation/config/status.txt index 2ff8237f8f..8caf90f51c 100644 --- a/Documentation/config/status.txt +++ b/Documentation/config/status.txt @@ -57,6 +57,8 @@ status.showUntrackedFiles:: -- + If this variable is not specified, it defaults to 'normal'. +All usual spellings for Boolean value `true` are taken as `normal` +and `false` as `no`. This variable can be overridden with the -u|--untracked-files option of linkgit:git-status[1] and linkgit:git-commit[1]. diff --git a/Documentation/config/transfer.txt b/Documentation/config/transfer.txt index a9cbdb88a1..f1ce50f4a6 100644 --- a/Documentation/config/transfer.txt +++ b/Documentation/config/transfer.txt @@ -121,3 +121,7 @@ transfer.bundleURI:: information from the remote server (if advertised) and download bundles before continuing the clone through the Git protocol. Defaults to `false`. + +transfer.advertiseObjectInfo:: + When `true`, the `object-info` capability is advertised by + servers. Defaults to false. diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt index aaaff0d46f..0e9456957e 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -865,8 +865,9 @@ endif::git-format-patch[] --default-prefix:: Use the default source and destination prefixes ("a/" and "b/"). - This is usually the default already, but may be used to override - config such as `diff.noprefix`. + This overrides configuration variables such as `diff.noprefix`, + `diff.srcPrefix`, `diff.dstPrefix`, and `diff.mnemonicPrefix` + (see `git-config`(1)). --line-prefix=<prefix>:: Prepend an additional prefix to every line of output. diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt index 54ebb4452e..e22b217fba 100644 --- a/Documentation/fetch-options.txt +++ b/Documentation/fetch-options.txt @@ -202,7 +202,7 @@ endif::git-pull[] destination of an explicit refspec; see `--prune`). ifndef::git-pull[] ---recurse-submodules[=yes|on-demand|no]:: +--recurse-submodules[=(yes|on-demand|no)]:: This option controls if and under what conditions new commits of submodules should be fetched too. When recursing through submodules, `git fetch` always attempts to fetch "changed" submodules, that is, a diff --git a/Documentation/git-add.txt b/Documentation/git-add.txt index 14a371fff3..aceaa025e3 100644 --- a/Documentation/git-add.txt +++ b/Documentation/git-add.txt @@ -348,6 +348,7 @@ patch:: K - leave this hunk undecided, see previous hunk s - split the current hunk into smaller hunks e - manually edit the current hunk + p - print the current hunk ? - print help + After deciding the fate for all hunks, if there is any hunk diff --git a/Documentation/git-am.txt b/Documentation/git-am.txt index 463a3c6600..624a6e6fe4 100644 --- a/Documentation/git-am.txt +++ b/Documentation/git-am.txt @@ -66,13 +66,19 @@ OPTIONS --quoted-cr=<action>:: This flag will be passed down to 'git mailinfo' (see linkgit:git-mailinfo[1]). ---empty=(stop|drop|keep):: - By default, or when the option is set to 'stop', the command - errors out on an input e-mail message lacking a patch - and stops in the middle of the current am session. When this - option is set to 'drop', skip such an e-mail message instead. - When this option is set to 'keep', create an empty commit, - recording the contents of the e-mail message as its log. +--empty=(drop|keep|stop):: + How to handle an e-mail message lacking a patch: ++ +-- +`drop`;; + The e-mail message will be skipped. +`keep`;; + An empty commit will be created, with the contents of the e-mail + message as its log. +`stop`;; + The command will fail, stopping in the middle of the current `am` + session. This is the default behavior. +-- -m:: --message-id:: diff --git a/Documentation/git-bugreport.txt b/Documentation/git-bugreport.txt index ca626f7fc6..112658b3c3 100644 --- a/Documentation/git-bugreport.txt +++ b/Documentation/git-bugreport.txt @@ -8,7 +8,8 @@ git-bugreport - Collect information for user to file a bug report SYNOPSIS -------- [verse] -'git bugreport' [(-o | --output-directory) <path>] [(-s | --suffix) <format>] +'git bugreport' [(-o | --output-directory) <path>] + [(-s | --suffix) <format> | --no-suffix] [--diagnose[=<mode>]] DESCRIPTION @@ -51,9 +52,12 @@ OPTIONS -s <format>:: --suffix <format>:: +--no-suffix:: Specify an alternate suffix for the bugreport name, to create a file named 'git-bugreport-<formatted-suffix>'. This should take the form of a strftime(3) format string; the current local time will be used. + `--no-suffix` disables the suffix and the file is just named + `git-bugreport` without any disambiguation measure. --no-diagnose:: --diagnose[=<mode>]:: diff --git a/Documentation/git-cherry-pick.txt b/Documentation/git-cherry-pick.txt index fdcad3d200..81ace900fc 100644 --- a/Documentation/git-cherry-pick.txt +++ b/Documentation/git-cherry-pick.txt @@ -131,20 +131,36 @@ effect to your index in a row. even without this option. Note also, that use of this option only keeps commits that were initially empty (i.e. the commit recorded the same tree as its parent). Commits which are made empty due to a - previous commit are dropped. To force the inclusion of those commits - use `--keep-redundant-commits`. + previous commit will cause the cherry-pick to fail. To force the + inclusion of those commits, use `--empty=keep`. --allow-empty-message:: By default, cherry-picking a commit with an empty message will fail. This option overrides that behavior, allowing commits with empty messages to be cherry picked. +--empty=(drop|keep|stop):: + How to handle commits being cherry-picked that are redundant with + changes already in the current history. ++ +-- +`drop`;; + The commit will be dropped. +`keep`;; + The commit will be kept. Implies `--allow-empty`. +`stop`;; + The cherry-pick will stop when the commit is applied, allowing + you to examine the commit. This is the default behavior. +-- ++ +Note that `--empty=drop` and `--empty=stop` only specify how to handle a +commit that was not initially empty, but rather became empty due to a previous +commit. Commits that were initially empty will still cause the cherry-pick to +fail unless one of `--empty=keep` or `--allow-empty` are specified. ++ + --keep-redundant-commits:: - If a commit being cherry picked duplicates a commit already in the - current history, it will become empty. By default these - redundant commits cause `cherry-pick` to stop so the user can - examine the commit. This option overrides that behavior and - creates an empty commit object. Implies `--allow-empty`. + Deprecated synonym for `--empty=keep`. --strategy=<strategy>:: Use the given merge strategy. Should only be used once. diff --git a/Documentation/git-clean.txt b/Documentation/git-clean.txt index 69331e3f05..fd17165416 100644 --- a/Documentation/git-clean.txt +++ b/Documentation/git-clean.txt @@ -37,7 +37,7 @@ OPTIONS --force:: If the Git configuration variable clean.requireForce is not set to false, 'git clean' will refuse to delete files or directories - unless given -f or -i. Git will refuse to modify untracked + unless given -f. Git will refuse to modify untracked nested git repositories (directories with a .git subdirectory) unless a second -f is given. @@ -45,10 +45,14 @@ OPTIONS --interactive:: Show what would be done and clean files interactively. See ``Interactive mode'' for details. + Configuration variable `clean.requireForce` is ignored, as + this mode gives its own safety protection by going interactive. -n:: --dry-run:: Don't actually remove anything, just show what would be done. + Configuration variable `clean.requireForce` is ignored, as + nothing will be deleted anyway. -q:: --quiet:: diff --git a/Documentation/git-clone.txt b/Documentation/git-clone.txt index 0c07720c6f..5de18de2ab 100644 --- a/Documentation/git-clone.txt +++ b/Documentation/git-clone.txt @@ -9,15 +9,15 @@ git-clone - Clone a repository into a new directory SYNOPSIS -------- [verse] -'git clone' [--template=<template-directory>] - [-l] [-s] [--no-hardlinks] [-q] [-n] [--bare] [--mirror] - [-o <name>] [-b <name>] [-u <upload-pack>] [--reference <repository>] - [--dissociate] [--separate-git-dir <git-dir>] - [--depth <depth>] [--[no-]single-branch] [--no-tags] - [--recurse-submodules[=<pathspec>]] [--[no-]shallow-submodules] - [--[no-]remote-submodules] [--jobs <n>] [--sparse] [--[no-]reject-shallow] - [--filter=<filter> [--also-filter-submodules]] [--] <repository> - [<directory>] +`git clone` [++--template=++__<template-directory>__] + [`-l`] [`-s`] [`--no-hardlinks`] [`-q`] [`-n`] [`--bare`] [`--mirror`] + [`-o` _<name>_] [`-b` _<name>_] [`-u` _<upload-pack>_] [`--reference` _<repository>_] + [`--dissociate`] [`--separate-git-dir` _<git-dir>_] + [`--depth` _<depth>_] [`--`[`no-`]`single-branch`] [`--no-tags`] + [++--recurse-submodules++[++=++__<pathspec>__]] [`--`[`no-`]`shallow-submodules`] + [`--`[`no-`]`remote-submodules`] [`--jobs` _<n>_] [`--sparse`] [`--`[`no-`]`reject-shallow`] + [++--filter=++__<filter-spec>__] [`--also-filter-submodules`]] [`--`] _<repository>_ + [_<directory>_] DESCRIPTION ----------- @@ -31,7 +31,7 @@ currently active branch. After the clone, a plain `git fetch` without arguments will update all the remote-tracking branches, and a `git pull` without arguments will in addition merge the remote master branch into the -current master branch, if any (this is untrue when "--single-branch" +current master branch, if any (this is untrue when `--single-branch` is given; see below). This default configuration is achieved by creating references to @@ -42,12 +42,12 @@ configuration variables. OPTIONS ------- --l:: ---local:: +`-l`:: +`--local`:: When the repository to clone from is on a local machine, this flag bypasses the normal "Git aware" transport mechanism and clones the repository by making a copy of - HEAD and everything under objects and refs directories. + `HEAD` and everything under objects and refs directories. The files under `.git/objects/` directory are hardlinked to save space when possible. + @@ -67,14 +67,14 @@ links. source repository, similar to running `cp -r src dst` while modifying `src`. ---no-hardlinks:: +`--no-hardlinks`:: Force the cloning process from a repository on a local filesystem to copy the files under the `.git/objects` directory instead of using hardlinks. This may be desirable if you are trying to make a back-up of your repository. --s:: ---shared:: +`-s`:: +`--shared`:: When the repository to clone is on the local machine, instead of using hard links, automatically setup `.git/objects/info/alternates` to share the objects @@ -101,10 +101,10 @@ If you want to break the dependency of a repository cloned with `--shared` on its source repository, you can simply run `git repack -a` to copy all objects from the source repository into a pack in the cloned repository. ---reference[-if-able] <repository>:: - If the reference repository is on the local machine, +`--reference`[`-if-able`] _<repository>_:: + If the reference _<repository>_ is on the local machine, automatically setup `.git/objects/info/alternates` to - obtain objects from the reference repository. Using + obtain objects from the reference _<repository>_. Using an already existing repository as an alternate will require fewer objects to be copied from the repository being cloned, reducing network and local storage costs. @@ -115,7 +115,7 @@ objects from the source repository into a pack in the cloned repository. *NOTE*: see the NOTE for the `--shared` option, and also the `--dissociate` option. ---dissociate:: +`--dissociate`:: Borrow the objects from reference repositories specified with the `--reference` options only to reduce network transfer, and stop borrowing from them after a clone is made @@ -126,43 +126,43 @@ objects from the source repository into a pack in the cloned repository. same repository, and this option can be used to stop the borrowing. --q:: ---quiet:: +`-q`:: +`--quiet`:: Operate quietly. Progress is not reported to the standard error stream. --v:: ---verbose:: +`-v`:: +`--verbose`:: Run verbosely. Does not affect the reporting of progress status to the standard error stream. ---progress:: +`--progress`:: Progress status is reported on the standard error stream by default when it is attached to a terminal, unless `--quiet` is specified. This flag forces progress status even if the standard error stream is not directed to a terminal. ---server-option=<option>:: +++--server-option=++__<option>__:: Transmit the given string to the server when communicating using protocol version 2. The given string must not contain a NUL or LF character. The server's handling of server options, including unknown ones, is server-specific. - When multiple `--server-option=<option>` are given, they are all + When multiple ++--server-option=++__<option>__ are given, they are all sent to the other side in the order listed on the command line. --n:: ---no-checkout:: +`-n`:: +`--no-checkout`:: No checkout of HEAD is performed after the clone is complete. ---[no-]reject-shallow:: +`--`[`no-`]`reject-shallow`:: Fail if the source repository is a shallow repository. - The 'clone.rejectShallow' configuration variable can be used to + The `clone.rejectShallow` configuration variable can be used to specify the default. ---bare:: +`--bare`:: Make a 'bare' Git repository. That is, instead of - creating `<directory>` and placing the administrative - files in `<directory>/.git`, make the `<directory>` + creating _<directory>_ and placing the administrative + files in _<directory>_`/.git`, make the _<directory>_ itself the `$GIT_DIR`. This obviously implies the `--no-checkout` because there is nowhere to check out the working tree. Also the branch heads at the remote are copied directly @@ -171,28 +171,28 @@ objects from the source repository into a pack in the cloned repository. used, neither remote-tracking branches nor the related configuration variables are created. ---sparse:: +`--sparse`:: Employ a sparse-checkout, with only files in the toplevel directory initially being present. The linkgit:git-sparse-checkout[1] command can be used to grow the working directory as needed. ---filter=<filter-spec>:: +++--filter=++__<filter-spec>__:: Use the partial clone feature and request that the server sends a subset of reachable objects according to a given object filter. - When using `--filter`, the supplied `<filter-spec>` is used for + When using `--filter`, the supplied _<filter-spec>_ is used for the partial clone filter. For example, `--filter=blob:none` will filter out all blobs (file contents) until needed by Git. Also, - `--filter=blob:limit=<size>` will filter out all blobs of size - at least `<size>`. For more details on filter specifications, see + ++--filter=blob:limit=++__<size>__ will filter out all blobs of size + at least _<size>_. For more details on filter specifications, see the `--filter` option in linkgit:git-rev-list[1]. ---also-filter-submodules:: +`--also-filter-submodules`:: Also apply the partial clone filter to any submodules in the repository. Requires `--filter` and `--recurse-submodules`. This can be turned on by default by setting the `clone.filterSubmodules` config option. ---mirror:: +`--mirror`:: Set up a mirror of the source repository. This implies `--bare`. Compared to `--bare`, `--mirror` not only maps local branches of the source to local branches of the target, it maps all refs (including @@ -200,37 +200,37 @@ objects from the source repository into a pack in the cloned repository. that all these refs are overwritten by a `git remote update` in the target repository. --o <name>:: ---origin <name>:: +`-o` _<name>_:: +`--origin` _<name>_:: Instead of using the remote name `origin` to keep track of the upstream - repository, use `<name>`. Overrides `clone.defaultRemoteName` from the + repository, use _<name>_. Overrides `clone.defaultRemoteName` from the config. --b <name>:: ---branch <name>:: +`-b` _<name>_:: +`--branch` _<name>_:: Instead of pointing the newly created HEAD to the branch pointed - to by the cloned repository's HEAD, point to `<name>` branch + to by the cloned repository's HEAD, point to _<name>_ branch instead. In a non-bare repository, this is the branch that will be checked out. `--branch` can also take tags and detaches the HEAD at that commit in the resulting repository. --u <upload-pack>:: ---upload-pack <upload-pack>:: +`-u` _<upload-pack>_:: +`--upload-pack` _<upload-pack>_:: When given, and the repository to clone from is accessed via ssh, this specifies a non-default path for the command run on the other end. ---template=<template-directory>:: +++--template=++__<template-directory>__:: Specify the directory from which templates will be used; (See the "TEMPLATE DIRECTORY" section of linkgit:git-init[1].) --c <key>=<value>:: ---config <key>=<value>:: +`-c` __<key>__++=++__<value>__:: +`--config` __<key>__++=++__<value>__:: Set a configuration variable in the newly-created repository; this takes effect immediately after the repository is initialized, but before the remote history is fetched or any - files checked out. The key is in the same format as expected by + files checked out. The _<key>_ is in the same format as expected by linkgit:git-config[1] (e.g., `core.eol=true`). If multiple values are given for the same key, each value will be written to the config file. This makes it safe, for example, to add @@ -239,35 +239,35 @@ objects from the source repository into a pack in the cloned repository. Due to limitations of the current implementation, some configuration variables do not take effect until after the initial fetch and checkout. Configuration variables known to not take effect are: -`remote.<name>.mirror` and `remote.<name>.tagOpt`. Use the +++remote.++__<name>__++.mirror++ and ++remote.++__<name>__++.tagOpt++. Use the corresponding `--mirror` and `--no-tags` options instead. ---depth <depth>:: +`--depth` _<depth>_:: Create a 'shallow' clone with a history truncated to the specified number of commits. Implies `--single-branch` unless `--no-single-branch` is given to fetch the histories near the tips of all branches. If you want to clone submodules shallowly, also pass `--shallow-submodules`. ---shallow-since=<date>:: +++--shallow-since=++__<date>__:: Create a shallow clone with a history after the specified time. ---shallow-exclude=<revision>:: +++--shallow-exclude=++__<revision>__:: Create a shallow clone with a history, excluding commits reachable from a specified remote branch or tag. This option can be specified multiple times. ---[no-]single-branch:: +`--`[`no-`]`single-branch`:: Clone only the history leading to the tip of a single branch, either specified by the `--branch` option or the primary branch remote's `HEAD` points at. Further fetches into the resulting repository will only update the remote-tracking branch for the branch this option was used for the - initial cloning. If the HEAD at the remote did not point at any + initial cloning. If the `HEAD` at the remote did not point at any branch when `--single-branch` clone was made, no remote-tracking branch is created. ---no-tags:: +`--no-tags`:: Don't clone any tags, and set `remote.<remote>.tagOpt=--no-tags` in the config, ensuring that future `git pull` and `git fetch` operations won't follow @@ -279,9 +279,9 @@ maintain a branch with no references other than a single cloned branch. This is useful e.g. to maintain minimal clones of the default branch of some repository for search indexing. ---recurse-submodules[=<pathspec>]:: +`--recurse-submodules`[`=`{empty}__<pathspec>__]:: After the clone is created, initialize and clone submodules - within based on the provided pathspec. If no pathspec is + within based on the provided _<pathspec>_. If no _=<pathspec>_ is provided, all submodules are initialized and cloned. This option can be given multiple times for pathspecs consisting of multiple entries. The resulting clone has `submodule.active` set to @@ -295,48 +295,48 @@ the clone is finished. This option is ignored if the cloned repository does not have a worktree/checkout (i.e. if any of `--no-checkout`/`-n`, `--bare`, or `--mirror` is given) ---[no-]shallow-submodules:: +`--`[`no-`]`shallow-submodules`:: All submodules which are cloned will be shallow with a depth of 1. ---[no-]remote-submodules:: +`--`[`no-`]`remote-submodules`:: All submodules which are cloned will use the status of the submodule's remote-tracking branch to update the submodule, rather than the superproject's recorded SHA-1. Equivalent to passing `--remote` to `git submodule update`. ---separate-git-dir=<git-dir>:: +`--separate-git-dir=`{empty}__<git-dir>__:: Instead of placing the cloned repository where it is supposed to be, place the cloned repository at the specified directory, then make a filesystem-agnostic Git symbolic link to there. The result is Git repository can be separated from working tree. ---ref-format=<ref-format>:: +`--ref-format=`{empty}__<ref-format>__:: Specify the given ref storage format for the repository. The valid values are: + include::ref-storage-format.txt[] --j <n>:: ---jobs <n>:: +`-j` _<n>_:: +`--jobs` _<n>_:: The number of submodules fetched at the same time. Defaults to the `submodule.fetchJobs` option. -<repository>:: - The (possibly remote) repository to clone from. See the +_<repository>_:: + The (possibly remote) _<repository>_ to clone from. See the <<URLS,GIT URLS>> section below for more information on specifying repositories. -<directory>:: +_<directory>_:: The name of a new directory to clone into. The "humanish" - part of the source repository is used if no directory is + part of the source repository is used if no _<directory>_ is explicitly given (`repo` for `/path/to/repo.git` and `foo` for `host.xz:foo/.git`). Cloning into an existing directory is only allowed if the directory is empty. ---bundle-uri=<uri>:: +`--bundle-uri=`{empty}__<uri>__:: Before fetching from the remote, fetch a bundle from the given - `<uri>` and unbundle the data into the local repository. The refs + _<uri>_ and unbundle the data into the local repository. The refs in the bundle will be stored under the hidden `refs/bundle/*` namespace. This option is incompatible with `--depth`, `--shallow-since`, and `--shallow-exclude`. diff --git a/Documentation/git-commit.txt b/Documentation/git-commit.txt index a6cef5d820..89ecfc63a8 100644 --- a/Documentation/git-commit.txt +++ b/Documentation/git-commit.txt @@ -347,6 +347,8 @@ The possible options are: - 'normal' - Shows untracked files and directories - 'all' - Also shows individual files in untracked directories. +All usual spellings for Boolean value `true` are taken as `normal` +and `false` as `no`. The default can be changed using the status.showUntrackedFiles configuration variable documented in linkgit:git-config[1]. -- diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt index dff39093b5..ac61113fcc 100644 --- a/Documentation/git-config.txt +++ b/Documentation/git-config.txt @@ -9,9 +9,9 @@ git-config - Get and set repository or global options SYNOPSIS -------- [verse] -'git config' [<file-option>] [--type=<type>] [--fixed-value] [--show-origin] [--show-scope] [-z|--null] <name> [<value> [<value-pattern>]] -'git config' [<file-option>] [--type=<type>] --add <name> <value> -'git config' [<file-option>] [--type=<type>] [--fixed-value] --replace-all <name> <value> [<value-pattern>] +'git config' [<file-option>] [--type=<type>] [--comment=<message>] [--fixed-value] [--show-origin] [--show-scope] [-z|--null] <name> [<value> [<value-pattern>]] +'git config' [<file-option>] [--type=<type>] [--comment=<message>] --add <name> <value> +'git config' [<file-option>] [--type=<type>] [--comment=<message>] [--fixed-value] --replace-all <name> <value> [<value-pattern>] 'git config' [<file-option>] [--type=<type>] [--show-origin] [--show-scope] [-z|--null] [--fixed-value] --get <name> [<value-pattern>] 'git config' [<file-option>] [--type=<type>] [--show-origin] [--show-scope] [-z|--null] [--fixed-value] --get-all <name> [<value-pattern>] 'git config' [<file-option>] [--type=<type>] [--show-origin] [--show-scope] [-z|--null] [--fixed-value] [--name-only] --get-regexp <name-regex> [<value-pattern>] @@ -87,6 +87,18 @@ OPTIONS values. This is the same as providing '^$' as the `value-pattern` in `--replace-all`. +--comment <message>:: + Append a comment at the end of new or modified lines. + + If _<message>_ begins with one or more whitespaces followed + by "#", it is used as-is. If it begins with "#", a space is + prepended before it is used. Otherwise, a string " # " (a + space followed by a hash followed by a space) is prepended + to it. And the resulting string is placed immediately after + the value defined for the variable. The _<message>_ must + not contain linefeed characters (no multi-line comments are + permitted). + --get:: Get the value for a given key (optionally filtered by a regex matching the value). Returns error code 1 if the key was not @@ -275,7 +287,8 @@ Valid `<type>`'s include: -e:: --edit:: Opens an editor to modify the specified config file; either - `--system`, `--global`, or repository (default). + `--system`, `--global`, `--local` (default), `--worktree`, or + `--file <config-file>`. --[no-]includes:: Respect `include.*` directives in config files when looking up @@ -285,7 +298,7 @@ Valid `<type>`'s include: --default <value>:: When using `--get`, and the requested variable is not found, behave as if - <value> were the value assigned to the that variable. + <value> were the value assigned to that variable. CONFIGURATION ------------- diff --git a/Documentation/git-grep.txt b/Documentation/git-grep.txt index 0d0103c780..1e6d7b65c8 100644 --- a/Documentation/git-grep.txt +++ b/Documentation/git-grep.txt @@ -28,7 +28,7 @@ SYNOPSIS [-f <file>] [-e] <pattern> [--and|--or|--not|(|)|-e <pattern>...] [--recurse-submodules] [--parent-basename <basename>] - [ [--[no-]exclude-standard] [--cached | --no-index | --untracked] | <tree>...] + [ [--[no-]exclude-standard] [--cached | --untracked | --no-index] | <tree>...] [--] [<pathspec>...] DESCRIPTION @@ -45,13 +45,21 @@ OPTIONS Instead of searching tracked files in the working tree, search blobs registered in the index file. ---no-index:: - Search files in the current directory that is not managed by Git. - --untracked:: In addition to searching in the tracked files in the working tree, search also in untracked files. +--no-index:: + Search files in the current directory that is not managed by Git, + or by ignoring that the current directory is managed by Git. This + is rather similar to running the regular `grep(1)` utility with its + `-r` option specified, but with some additional benefits, such as + using pathspec patterns to limit paths; see the 'pathspec' entry + in linkgit:gitglossary[7] for more information. ++ +This option cannot be used together with `--cached` or `--untracked`. +See also `grep.fallbackToNoIndex` in 'CONFIGURATION' below. + --no-exclude-standard:: Also search in ignored files by not honoring the `.gitignore` mechanism. Only useful with `--untracked`. @@ -64,9 +72,9 @@ OPTIONS --recurse-submodules:: Recursively search in each submodule that is active and checked out in the repository. When used in combination with the - <tree> option the prefix of all submodule output will be the name of - the parent project's <tree> object. This option has no effect - if `--no-index` is given. + _<tree>_ option the prefix of all submodule output will be the name of + the parent project's _<tree>_ object. This option cannot be used together + with `--untracked`, and it has no effect if `--no-index` is specified. -a:: --text:: @@ -178,7 +186,7 @@ providing this option will cause it to die. Use \0 as the delimiter for pathnames in the output, and print them verbatim. Without this option, pathnames with "unusual" characters are quoted as explained for the configuration - variable core.quotePath (see linkgit:git-config[1]). + variable `core.quotePath` (see linkgit:git-config[1]). -o:: --only-matching:: @@ -248,8 +256,8 @@ providing this option will cause it to die. a non-zero status. --threads <num>:: - Number of grep worker threads to use. - See `grep.threads` in 'CONFIGURATION' for more information. + Number of `grep` worker threads to use. See 'NOTES ON THREADS' + and `grep.threads` in 'CONFIGURATION' for more information. -f <file>:: Read patterns from <file>, one per line. @@ -332,13 +340,13 @@ EXAMPLES NOTES ON THREADS ---------------- -The `--threads` option (and the grep.threads configuration) will be ignored when +The `--threads` option (and the `grep.threads` configuration) will be ignored when `--open-files-in-pager` is used, forcing a single-threaded execution. When grepping the object store (with `--cached` or giving tree objects), running -with multiple threads might perform slower than single threaded if `--textconv` -is given and there are too many text conversions. So if you experience low -performance in this case, it might be desirable to use `--threads=1`. +with multiple threads might perform slower than single-threaded if `--textconv` +is given and there are too many text conversions. Thus, if low performance is +experienced in this case, it might be desirable to use `--threads=1`. CONFIGURATION ------------- diff --git a/Documentation/git-init.txt b/Documentation/git-init.txt index e8dc645bb5..daff93bd16 100644 --- a/Documentation/git-init.txt +++ b/Documentation/git-init.txt @@ -9,11 +9,11 @@ git-init - Create an empty Git repository or reinitialize an existing one SYNOPSIS -------- [verse] -'git init' [-q | --quiet] [--bare] [--template=<template-directory>] - [--separate-git-dir <git-dir>] [--object-format=<format>] - [--ref-format=<format>] - [-b <branch-name> | --initial-branch=<branch-name>] - [--shared[=<permissions>]] [<directory>] +`git init` [`-q` | `--quiet`] [`--bare`] [++--template=++__<template-directory>__] + [`--separate-git-dir` _<git-dir>_] [++--object-format=++__<format>__] + [++--ref-format=++__<format>__] + [`-b` _<branch-name>_ | ++--initial-branch=++__<branch-name>__] + [++--shared++[++=++__<permissions>__]] [_<directory>_] DESCRIPTION @@ -33,43 +33,43 @@ If the object storage directory is specified via the are created underneath; otherwise, the default `$GIT_DIR/objects` directory is used. -Running 'git init' in an existing repository is safe. It will not +Running `git init` in an existing repository is safe. It will not overwrite things that are already there. The primary reason for -rerunning 'git init' is to pick up newly added templates (or to move -the repository to another place if --separate-git-dir is given). +rerunning `git init` is to pick up newly added templates (or to move +the repository to another place if `--separate-git-dir` is given). OPTIONS ------- --q:: ---quiet:: +`-q`:: +`--quiet`:: Only print error and warning messages; all other output will be suppressed. ---bare:: +`--bare`:: Create a bare repository. If `GIT_DIR` environment is not set, it is set to the current working directory. ---object-format=<format>:: +++--object-format=++__<format>__:: -Specify the given object format (hash algorithm) for the repository. The valid -values are 'sha1' and (if enabled) 'sha256'. 'sha1' is the default. +Specify the given object _<format>_ (hash algorithm) for the repository. The valid +values are `sha1` and (if enabled) `sha256`. `sha1` is the default. + include::object-format-disclaimer.txt[] ---ref-format=<format>:: +++--ref-format=++__<format>__:: -Specify the given ref storage format for the repository. The valid values are: +Specify the given ref storage _<format>_ for the repository. The valid values are: + include::ref-storage-format.txt[] ---template=<template-directory>:: +++--template=++__<template-directory>__:: Specify the directory from which templates will be used. (See the "TEMPLATE DIRECTORY" section below.) ---separate-git-dir=<git-dir>:: +++--separate-git-dir=++__<git-dir>__:: Instead of initializing the repository as a directory to either `$GIT_DIR` or `./.git/`, create a text file there containing the path to the actual @@ -78,52 +78,56 @@ repository. + If this is a reinitialization, the repository will be moved to the specified path. --b <branch-name>:: ---initial-branch=<branch-name>:: +`-b` _<branch-name>_:: +++--initial-branch=++__<branch-name>__:: -Use the specified name for the initial branch in the newly created +Use _<branch-name>_ for the initial branch in the newly created repository. If not specified, fall back to the default name (currently `master`, but this is subject to change in the future; the name can be customized via the `init.defaultBranch` configuration variable). ---shared[=(false|true|umask|group|all|world|everybody|<perm>)]:: +++--shared++[++=++(`false`|`true`|`umask`|`group`|`all`|`world`|`everybody`|_<perm>_)]:: Specify that the Git repository is to be shared amongst several users. This allows users belonging to the same group to push into that -repository. When specified, the config variable "core.sharedRepository" is +repository. When specified, the config variable `core.sharedRepository` is set so that files and directories under `$GIT_DIR` are created with the requested permissions. When not specified, Git will use permissions reported -by umask(2). +by `umask`(2). + -The option can have the following values, defaulting to 'group' if no value +The option can have the following values, defaulting to `group` if no value is given: + -- -'umask' (or 'false'):: +`umask`:: +`false`:: -Use permissions reported by umask(2). The default, when `--shared` is not +Use permissions reported by `umask`(2). The default, when `--shared` is not specified. -'group' (or 'true'):: +`group`:: +`true`:: -Make the repository group-writable, (and g+sx, since the git group may not be +Make the repository group-writable, (and `g+sx`, since the git group may not be the primary group of all users). This is used to loosen the permissions of an -otherwise safe umask(2) value. Note that the umask still applies to the other -permission bits (e.g. if umask is '0022', using 'group' will not remove read -privileges from other (non-group) users). See '0xxx' for how to exactly specify +otherwise safe `umask`(2) value. Note that the umask still applies to the other +permission bits (e.g. if umask is `0022`, using `group` will not remove read +privileges from other (non-group) users). See `0xxx` for how to exactly specify the repository permissions. -'all' (or 'world' or 'everybody'):: +`all`:: +`world`:: +`everybody`:: -Same as 'group', but make the repository readable by all users. +Same as `group`, but make the repository readable by all users. -'<perm>':: +_<perm>_:: -'<perm>' is a 3-digit octal number prefixed with `0` and each file -will have mode '<perm>'. '<perm>' will override users' umask(2) -value (and not only loosen permissions as 'group' and 'all' -do). '0640' will create a repository which is group-readable, but -not group-writable or accessible to others. '0660' will create a repo +_<perm>_ is a 3-digit octal number prefixed with `0` and each file +will have mode _<perm>_. _<perm>_ will override users' `umask`(2) +value (and not only loosen permissions as `group` and `all` +do). `0640` will create a repository which is group-readable, but +not group-writable or accessible to others. `0660` will create a repo that is readable and writable to the current user and group, but inaccessible to others (directories and executable files get their `x` bit from the `r` bit for corresponding classes of users). @@ -133,7 +137,7 @@ By default, the configuration flag `receive.denyNonFastForwards` is enabled in shared repositories, so that you cannot force a non fast-forwarding push into it. -If you provide a 'directory', the command is run inside it. If this directory +If you provide a _<directory>_, the command is run inside it. If this directory does not exist, it will be created. TEMPLATE DIRECTORY @@ -172,7 +176,7 @@ $ git add . <2> $ git commit <3> ---------------- + -<1> Create a /path/to/my/codebase/.git directory. +<1> Create a `/path/to/my/codebase/.git` directory. <2> Add all existing files to the index. <3> Record the pristine state as the first commit in the history. @@ -181,6 +185,8 @@ CONFIGURATION include::includes/cmd-config-section-all.txt[] +:git-init: + include::config/init.txt[] GIT diff --git a/Documentation/git-interpret-trailers.txt b/Documentation/git-interpret-trailers.txt index 418265f044..d9dfb75fef 100644 --- a/Documentation/git-interpret-trailers.txt +++ b/Documentation/git-interpret-trailers.txt @@ -9,7 +9,7 @@ SYNOPSIS -------- [verse] 'git interpret-trailers' [--in-place] [--trim-empty] - [(--trailer (<key>|<keyAlias>)[(=|:)<value>])...] + [(--trailer (<key>|<key-alias>)[(=|:)<value>])...] [--parse] [<file>...] DESCRIPTION @@ -67,9 +67,9 @@ key: value This means that the trimmed <key> and <value> will be separated by `': '` (one colon followed by one space). -For convenience, a <keyAlias> can be configured to make using `--trailer` +For convenience, a <key-alias> can be configured to make using `--trailer` shorter to type on the command line. This can be configured using the -'trailer.<keyAlias>.key' configuration variable. The <keyAlias> must be a prefix +'trailer.<key-alias>.key' configuration variable. The <keyAlias> must be a prefix of the full <key> string, although case sensitivity does not matter. For example, if you have diff --git a/Documentation/git-merge-tree.txt b/Documentation/git-merge-tree.txt index b50acace3b..dd388fa21d 100644 --- a/Documentation/git-merge-tree.txt +++ b/Documentation/git-merge-tree.txt @@ -64,10 +64,13 @@ OPTIONS share no common history. This flag can be given to override that check and make the merge proceed anyway. ---merge-base=<commit>:: +--merge-base=<tree-ish>:: Instead of finding the merge-bases for <branch1> and <branch2>, specify a merge-base for the merge, and specifying multiple bases is currently not supported. This option is incompatible with `--stdin`. ++ +As the merge-base is provided directly, <branch1> and <branch2> do not need +to specify commits; trees are enough. [[OUTPUT]] OUTPUT diff --git a/Documentation/git-pack-refs.txt b/Documentation/git-pack-refs.txt index 284956acb3..2dcabaf74c 100644 --- a/Documentation/git-pack-refs.txt +++ b/Documentation/git-pack-refs.txt @@ -8,7 +8,7 @@ git-pack-refs - Pack heads and tags for efficient repository access SYNOPSIS -------- [verse] -'git pack-refs' [--all] [--no-prune] [--include <pattern>] [--exclude <pattern>] +'git pack-refs' [--all] [--no-prune] [--auto] [--include <pattern>] [--exclude <pattern>] DESCRIPTION ----------- @@ -60,6 +60,19 @@ with many branches of historical interests. The command usually removes loose refs under `$GIT_DIR/refs` hierarchy after packing them. This option tells it not to. +--auto:: + +Pack refs as needed depending on the current state of the ref database. The +behavior depends on the ref format used by the repository and may change in the +future. ++ + - "files": No special handling for `--auto` has been implemented. ++ + - "reftable": Tables are compacted such that they form a geometric + sequence. For two tables N and N+1, where N+1 is newer, this + maintains the property that N is at least twice as big as N+1. Only + tables that violate this property are compacted. + --include <pattern>:: Pack refs based on a `glob(7)` pattern. Repetitions of this option diff --git a/Documentation/git-pull.txt b/Documentation/git-pull.txt index 0e14f8b5b2..b2ae496e48 100644 --- a/Documentation/git-pull.txt +++ b/Documentation/git-pull.txt @@ -87,7 +87,7 @@ OPTIONS --verbose:: Pass --verbose to git-fetch and git-merge. ---[no-]recurse-submodules[=yes|on-demand|no]:: +--[no-]recurse-submodules[=(yes|on-demand|no)]:: This option controls if new commits of populated submodules should be fetched, and if the working trees of active submodules should be updated, too (see linkgit:git-fetch[1], linkgit:git-config[1] and @@ -105,7 +105,7 @@ Options related to merging include::merge-options.txt[] -r:: ---rebase[=false|true|merges|interactive]:: +--rebase[=(false|true|merges|interactive)]:: When true, rebase the current branch on top of the upstream branch after fetching. If there is a remote-tracking branch corresponding to the upstream branch and the upstream branch diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt index e7e725044d..74df345f9e 100644 --- a/Documentation/git-rebase.txt +++ b/Documentation/git-rebase.txt @@ -12,7 +12,7 @@ SYNOPSIS [--onto <newbase> | --keep-base] [<upstream> [<branch>]] 'git rebase' [-i | --interactive] [<options>] [--exec <cmd>] [--onto <newbase>] --root [<branch>] -'git rebase' (--continue | --skip | --abort | --quit | --edit-todo | --show-current-patch) +'git rebase' (--continue|--skip|--abort|--quit|--edit-todo|--show-current-patch) DESCRIPTION ----------- @@ -289,17 +289,25 @@ See also INCOMPATIBLE OPTIONS below. + See also INCOMPATIBLE OPTIONS below. ---empty=(drop|keep|ask):: +--empty=(drop|keep|stop):: How to handle commits that are not empty to start and are not clean cherry-picks of any upstream commit, but which become empty after rebasing (because they contain a subset of already - upstream changes). With drop (the default), commits that - become empty are dropped. With keep, such commits are kept. - With ask (implied by `--interactive`), the rebase will halt when - an empty commit is applied allowing you to choose whether to - drop it, edit files more, or just commit the empty changes. - Other options, like `--exec`, will use the default of drop unless - `-i`/`--interactive` is explicitly specified. + upstream changes): ++ +-- +`drop`;; + The commit will be dropped. This is the default behavior. +`keep`;; + The commit will be kept. This option is implied when `--exec` is + specified unless `-i`/`--interactive` is also specified. +`stop`;; +`ask`;; + The rebase will halt when the commit is applied, allowing you to + choose whether to drop it, edit files more, or just commit the empty + changes. This option is implied when `-i`/`--interactive` is + specified. `ask` is a deprecated synonym of `stop`. +-- + Note that commits which start empty are kept (unless `--no-keep-empty` is specified), and commits which are clean cherry-picks (as determined @@ -704,7 +712,7 @@ be dropped automatically with `--no-keep-empty`). Similar to the apply backend, by default the merge backend drops commits that become empty unless `-i`/`--interactive` is specified (in which case it stops and asks the user what to do). The merge backend -also has an `--empty=(drop|keep|ask)` option for changing the behavior +also has an `--empty=(drop|keep|stop)` option for changing the behavior of handling commits that become empty. Directory rename detection diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt index 5d83dd36da..f9d5a35fa0 100644 --- a/Documentation/git-rev-parse.txt +++ b/Documentation/git-rev-parse.txt @@ -159,6 +159,18 @@ for another option. unfortunately named tag "master"), and shows them as full refnames (e.g. "refs/heads/master"). +--output-object-format=(sha1|sha256|storage):: + + Allow oids to be input from any object format that the current + repository supports. + + Specifying "sha1" translates if necessary and returns a sha1 oid. + + Specifying "sha256" translates if necessary and returns a sha256 oid. + + Specifying "storage" translates if necessary and returns an oid in + encoded in the storage hash algorithm. + Options for Objects ~~~~~~~~~~~~~~~~~~~ diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt index 8264f87380..c5d664f451 100644 --- a/Documentation/git-send-email.txt +++ b/Documentation/git-send-email.txt @@ -9,7 +9,7 @@ git-send-email - Send a collection of patches as emails SYNOPSIS -------- [verse] -'git send-email' [<options>] <file|directory>... +'git send-email' [<options>] (<file>|<directory>)... 'git send-email' [<options>] <format-patch-options> 'git send-email' --dump-aliases @@ -278,7 +278,7 @@ must be used for each option. if a username is not specified (with `--smtp-user` or `sendemail.smtpUser`), then authentication is not attempted. ---smtp-debug=0|1:: +--smtp-debug=(0|1):: Enable (1) or disable (0) debug output. If enabled, SMTP commands and replies will be printed. Useful to debug TLS connection and authentication problems. @@ -301,7 +301,9 @@ must be used for each option. Automating ~~~~~~~~~~ ---no-[to|cc|bcc]:: +--no-to:: +--no-cc:: +--no-bcc:: Clears any list of "To:", "Cc:", "Bcc:" addresses previously set via config. diff --git a/Documentation/git-status.txt b/Documentation/git-status.txt index 4dbb88373b..9a376886a5 100644 --- a/Documentation/git-status.txt +++ b/Documentation/git-status.txt @@ -79,6 +79,8 @@ Consider enabling untracked cache and split index if supported (see `git update-index --untracked-cache` and `git update-index --split-index`), Otherwise you can use `no` to have `git status` return more quickly without showing untracked files. +All usual spellings for Boolean value `true` are taken as `normal` +and `false` as `no`. The default can be changed using the status.showUntrackedFiles configuration variable documented in linkgit:git-config[1]. @@ -472,7 +474,7 @@ again, because your configuration may already be caching `git status` results, so it could be faster on subsequent runs. * The `--untracked-files=no` flag or the - `status.showUntrackedfiles=false` config (see above for both): + `status.showUntrackedFiles=no` config (see above for both): indicate that `git status` should not report untracked files. This is the fastest option. `git status` will not list the untracked files, so you need to be careful to remember if diff --git a/Documentation/git-update-ref.txt b/Documentation/git-update-ref.txt index 0561808cca..374a2ebd2b 100644 --- a/Documentation/git-update-ref.txt +++ b/Documentation/git-update-ref.txt @@ -8,21 +8,21 @@ git-update-ref - Update the object name stored in a ref safely SYNOPSIS -------- [verse] -'git update-ref' [-m <reason>] [--no-deref] (-d <ref> [<oldvalue>] | [--create-reflog] <ref> <newvalue> [<oldvalue>] | --stdin [-z]) +'git update-ref' [-m <reason>] [--no-deref] (-d <ref> [<old-oid>] | [--create-reflog] <ref> <new-oid> [<old-oid>] | --stdin [-z]) DESCRIPTION ----------- -Given two arguments, stores the <newvalue> in the <ref>, possibly +Given two arguments, stores the <new-oid> in the <ref>, possibly dereferencing the symbolic refs. E.g. `git update-ref HEAD -<newvalue>` updates the current branch head to the new object. +<new-oid>` updates the current branch head to the new object. -Given three arguments, stores the <newvalue> in the <ref>, +Given three arguments, stores the <new-oid> in the <ref>, possibly dereferencing the symbolic refs, after verifying that -the current value of the <ref> matches <oldvalue>. -E.g. `git update-ref refs/heads/master <newvalue> <oldvalue>` -updates the master branch head to <newvalue> only if its current -value is <oldvalue>. You can specify 40 "0" or an empty string -as <oldvalue> to make sure that the ref you are creating does +the current value of the <ref> matches <old-oid>. +E.g. `git update-ref refs/heads/master <new-oid> <old-oid>` +updates the master branch head to <new-oid> only if its current +value is <old-oid>. You can specify 40 "0" or an empty string +as <old-oid> to make sure that the ref you are creating does not exist. It also allows a "ref" file to be a symbolic pointer to another @@ -56,15 +56,15 @@ ref symlink to some other tree, if you have copied a whole archive by creating a symlink tree). With `-d` flag, it deletes the named <ref> after verifying it -still contains <oldvalue>. +still contains <old-oid>. With `--stdin`, update-ref reads instructions from standard input and performs all modifications together. Specify commands of the form: - update SP <ref> SP <newvalue> [SP <oldvalue>] LF - create SP <ref> SP <newvalue> LF - delete SP <ref> [SP <oldvalue>] LF - verify SP <ref> [SP <oldvalue>] LF + update SP <ref> SP <new-oid> [SP <old-oid>] LF + create SP <ref> SP <new-oid> LF + delete SP <ref> [SP <old-oid>] LF + verify SP <ref> [SP <old-oid>] LF option SP <opt> LF start LF prepare LF @@ -82,10 +82,10 @@ specify a missing value, omit the value and its preceding SP entirely. Alternatively, use `-z` to specify in NUL-terminated format, without quoting: - update SP <ref> NUL <newvalue> NUL [<oldvalue>] NUL - create SP <ref> NUL <newvalue> NUL - delete SP <ref> NUL [<oldvalue>] NUL - verify SP <ref> NUL [<oldvalue>] NUL + update SP <ref> NUL <new-oid> NUL [<old-oid>] NUL + create SP <ref> NUL <new-oid> NUL + delete SP <ref> NUL [<old-oid>] NUL + verify SP <ref> NUL [<old-oid>] NUL option SP <opt> NUL start NUL prepare NUL @@ -100,22 +100,22 @@ recognizes as an object name. Commands in any other format or a repeated <ref> produce an error. Command meanings are: update:: - Set <ref> to <newvalue> after verifying <oldvalue>, if given. - Specify a zero <newvalue> to ensure the ref does not exist - after the update and/or a zero <oldvalue> to make sure the + Set <ref> to <new-oid> after verifying <old-oid>, if given. + Specify a zero <new-oid> to ensure the ref does not exist + after the update and/or a zero <old-oid> to make sure the ref does not exist before the update. create:: - Create <ref> with <newvalue> after verifying it does not - exist. The given <newvalue> may not be zero. + Create <ref> with <new-oid> after verifying it does not + exist. The given <new-oid> may not be zero. delete:: - Delete <ref> after verifying it exists with <oldvalue>, if - given. If given, <oldvalue> may not be zero. + Delete <ref> after verifying it exists with <old-oid>, if + given. If given, <old-oid> may not be zero. verify:: - Verify <ref> against <oldvalue> but do not change it. If - <oldvalue> is zero or missing, the ref must not exist. + Verify <ref> against <old-oid> but do not change it. If + <old-oid> is zero or missing, the ref must not exist. option:: Modify the behavior of the next command naming a <ref>. @@ -141,7 +141,7 @@ abort:: Abort the transaction, releasing all locks if the transaction is in prepared state. -If all <ref>s can be locked with matching <oldvalue>s +If all <ref>s can be locked with matching <old-oid>s simultaneously, all modifications are performed. Otherwise, no modifications are performed. Note that while each individual <ref> is updated or deleted atomically, a concurrent reader may @@ -161,7 +161,7 @@ formatted as: Where "oldsha1" is the 40 character hexadecimal value previously stored in <ref>, "newsha1" is the 40 character hexadecimal value of -<newvalue> and "committer" is the committer's name, email address +<new-oid> and "committer" is the committer's name, email address and date in the standard Git committer ident format. Optionally with -m: diff --git a/Documentation/git.txt b/Documentation/git.txt index 0d25224c96..7a1b112a3e 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt @@ -174,8 +174,17 @@ If you just want to run git as if it was started in `<path>` then use directory. --no-replace-objects:: - Do not use replacement refs to replace Git objects. See - linkgit:git-replace[1] for more information. + Do not use replacement refs to replace Git objects. + This is equivalent to exporting the `GIT_NO_REPLACE_OBJECTS` + environment variable with any value. + See linkgit:git-replace[1] for more information. + +--no-lazy-fetch:: + Do not fetch missing objects from the promisor remote on + demand. Useful together with `git cat-file -e <object>` to + see if the object is locally available. + This is equivalent to setting the `GIT_NO_LAZY_FETCH` + environment variable to `1`. --literal-pathspecs:: Treat pathspecs literally (i.e. no globbing, no pathspec magic). @@ -872,6 +881,10 @@ for full details. header and packfile URIs. Set this Boolean environment variable to false to prevent this redaction. +`GIT_NO_REPLACE_OBJECTS`:: + Setting and exporting this environment variable tells Git to + ignore replacement refs and do not replace Git objects. + `GIT_LITERAL_PATHSPECS`:: Setting this Boolean environment variable to true will cause Git to treat all pathspecs literally, rather than as glob patterns. For example, @@ -893,6 +906,11 @@ for full details. Setting this Boolean environment variable to true will cause Git to treat all pathspecs as case-insensitive. +`GIT_NO_LAZY_FETCH`:: + Setting this Boolean environment variable to true tells Git + not to lazily fetch missing objects from the promisor remote + on demand. + `GIT_REFLOG_ACTION`:: When a ref is updated, reflog entries are created to keep track of the reason why the ref was updated (which is @@ -942,7 +960,7 @@ will never be returned from the commit-graph at the cost of performance. `GIT_PROTOCOL`:: For internal use only. Used in handshaking the wire protocol. Contains a colon ':' separated list of keys with optional values - 'key[=value]'. Presence of unknown keys and values must be + '<key>[=<value>]'. Presence of unknown keys and values must be ignored. + Note that servers may need to be configured to allow this variable to diff --git a/Documentation/gitcli.txt b/Documentation/gitcli.txt index e5fac94322..7c709324ba 100644 --- a/Documentation/gitcli.txt +++ b/Documentation/gitcli.txt @@ -81,9 +81,6 @@ you will. Here are the rules regarding the "flags" that you should follow when you are scripting Git: - * It's preferred to use the non-dashed form of Git commands, which means that - you should prefer `git foo` to `git-foo`. - * Splitting short options to separate words (prefer `git foo -a -b` to `git foo -ab`, the latter may not even work). diff --git a/Documentation/githooks.txt b/Documentation/githooks.txt index 37f91d5b50..ee9b92c90d 100644 --- a/Documentation/githooks.txt +++ b/Documentation/githooks.txt @@ -275,12 +275,12 @@ This hook executes once for the receive operation. It takes no arguments, but for each ref to be updated it receives on standard input a line of the format: - <old-value> SP <new-value> SP <ref-name> LF + <old-oid> SP <new-oid> SP <ref-name> LF -where `<old-value>` is the old object name stored in the ref, -`<new-value>` is the new object name to be stored in the ref and +where `<old-oid>` is the old object name stored in the ref, +`<new-oid>` is the new object name to be stored in the ref and `<ref-name>` is the full name of the ref. -When creating a new ref, `<old-value>` is the all-zeroes object name. +When creating a new ref, `<old-oid>` is the all-zeroes object name. If the hook exits with non-zero status, none of the refs will be updated. If the hook exits with zero, updating of individual refs can @@ -503,13 +503,13 @@ given reference transaction is in: For each reference update that was added to the transaction, the hook receives on standard input a line of the format: - <old-value> SP <new-value> SP <ref-name> LF + <old-oid> SP <new-oid> SP <ref-name> LF -where `<old-value>` is the old object name passed into the reference -transaction, `<new-value>` is the new object name to be stored in the +where `<old-oid>` is the old object name passed into the reference +transaction, `<new-oid>` is the new object name to be stored in the ref and `<ref-name>` is the full name of the ref. When force updating the reference regardless of its current value or when the reference is -to be created anew, `<old-value>` is the all-zeroes object name. To +to be created anew, `<old-oid>` is the all-zeroes object name. To distinguish these cases, you can inspect the current value of `<ref-name>` via `git rev-parse`. diff --git a/Documentation/gitprotocol-v2.txt b/Documentation/gitprotocol-v2.txt index 0b800abd56..414bc625d5 100644 --- a/Documentation/gitprotocol-v2.txt +++ b/Documentation/gitprotocol-v2.txt @@ -346,7 +346,8 @@ the 'wanted-refs' section in the server's response as explained below. want-ref <ref> Indicates to the server that the client wants to retrieve a particular ref, where <ref> is the full name of a ref on the - server. + server. It is a protocol error to send want-ref for the + same ref more than once. If the 'sideband-all' feature is advertised, the following argument can be included in the client's request: @@ -361,7 +362,8 @@ included in the client's request: If the 'packfile-uris' feature is advertised, the following argument can be included in the client's request as well as the potential addition of the 'packfile-uris' section in the server's response as -explained below. +explained below. Note that at most one `packfile-uris` line can be sent +to the server. packfile-uris <comma-separated-list-of-protocols> Indicates to the server that the client is willing to receive diff --git a/Documentation/gitremote-helpers.txt b/Documentation/gitremote-helpers.txt index ed8da428c9..d0be008e5e 100644 --- a/Documentation/gitremote-helpers.txt +++ b/Documentation/gitremote-helpers.txt @@ -479,14 +479,14 @@ set by Git if the remote helper has the 'option' capability. 'option depth' <depth>:: Deepens the history of a shallow repository. -'option deepen-since <timestamp>:: +'option deepen-since' <timestamp>:: Deepens the history of a shallow repository based on time. -'option deepen-not <ref>:: +'option deepen-not' <ref>:: Deepens the history of a shallow repository excluding ref. Multiple options add up. -'option deepen-relative {'true'|'false'}:: +'option deepen-relative' {'true'|'false'}:: Deepens the history of a shallow repository relative to current boundary. Only valid when used with "option depth". @@ -526,7 +526,7 @@ set by Git if the remote helper has the 'option' capability. 'option pushcert' {'true'|'false'}:: GPG sign pushes. -'option push-option <string>:: +'option push-option' <string>:: Transmit <string> as a push option. As the push option must not contain LF or NUL characters, the string is not encoded. @@ -542,13 +542,10 @@ set by Git if the remote helper has the 'option' capability. transaction. If successful, all refs will be updated, or none will. If the remote side does not support this capability, the push will fail. -'option object-format' {'true'|algorithm}:: - If 'true', indicate that the caller wants hash algorithm information +'option object-format true':: + Indicate that the caller wants hash algorithm information to be passed back from the remote. This mode is used when fetching refs. -+ -If set to an algorithm, indicate that the caller wants to interact with -the remote side using that algorithm. SEE ALSO -------- diff --git a/Documentation/howto/update-hook-example.txt b/Documentation/howto/update-hook-example.txt index 151ee84ceb..4e727deedd 100644 --- a/Documentation/howto/update-hook-example.txt +++ b/Documentation/howto/update-hook-example.txt @@ -100,7 +100,7 @@ info "The user is: '$username'" if test -f "$allowed_users_file" then - rc=$(cat $allowed_users_file | grep -v '^#' | grep -v '^$' | + rc=$(grep -Ev '^(#|$)' $allowed_users_file | while read heads user_patterns do # does this rule apply to us? @@ -138,7 +138,7 @@ info "'$groups'" if test -f "$allowed_groups_file" then - rc=$(cat $allowed_groups_file | grep -v '^#' | grep -v '^$' | + rc=$(grep -Ev '^(#|$)' $allowed_groups_file | while read heads group_patterns do # does this rule apply to us? diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt index d38b4ab566..8ee940b6a4 100644 --- a/Documentation/pretty-formats.txt +++ b/Documentation/pretty-formats.txt @@ -316,9 +316,8 @@ multiple times, the last occurrence wins. `Reviewed-by`. ** 'only[=<bool>]': select whether non-trailer lines from the trailer block should be included. -** 'separator=<sep>': specify a separator inserted between trailer - lines. When this option is not given each trailer line is - terminated with a line feed character. The string <sep> may contain +** 'separator=<sep>': specify the separator inserted between trailer + lines. Defaults to a line feed character. The string <sep> may contain the literal formatting codes described above. To use comma as separator one must use `%x2C` as it would otherwise be parsed as next option. E.g., `%(trailers:key=Ticket,separator=%x2C )` @@ -329,10 +328,9 @@ multiple times, the last occurrence wins. `%(trailers:only,unfold=true)` unfolds and shows all trailer lines. ** 'keyonly[=<bool>]': only show the key part of the trailer. ** 'valueonly[=<bool>]': only show the value part of the trailer. -** 'key_value_separator=<sep>': specify a separator inserted between - trailer lines. When this option is not given each trailer key-value - pair is separated by ": ". Otherwise it shares the same semantics - as 'separator=<sep>' above. +** 'key_value_separator=<sep>': specify the separator inserted between + the key and value of each trailer. Defaults to ": ". Otherwise it + shares the same semantics as 'separator=<sep>' above. NOTE: Some placeholders may depend on other options given to the revision traversal engine. For example, the `%g*` reflog options will diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt index a583b52c61..00ccf68744 100644 --- a/Documentation/rev-list-options.txt +++ b/Documentation/rev-list-options.txt @@ -316,12 +316,12 @@ list. With `--pretty` format other than `oneline` and `reference` (for obvious reasons), this causes the output to have two extra lines of information taken from the reflog. The reflog designator in the output may be shown -as `ref@{Nth}` (where `Nth` is the reverse-chronological index in the -reflog) or as `ref@{timestamp}` (with the timestamp for that entry), +as `ref@{<Nth>}` (where _<Nth>_ is the reverse-chronological index in the +reflog) or as `ref@{<timestamp>}` (with the _<timestamp>_ for that entry), depending on a few rules: + -- -1. If the starting point is specified as `ref@{Nth}`, show the index +1. If the starting point is specified as `ref@{<Nth>}`, show the index format. + 2. If the starting point was specified as `ref@{now}`, show the @@ -341,8 +341,11 @@ See also linkgit:git-reflog[1]. Under `--pretty=reference`, this information will not be shown at all. --merge:: - After a failed merge, show refs that touch files having a - conflict and don't exist on all heads to merge. + Show commits touching conflicted paths in the range `HEAD...<other>`, + where `<other>` is the first existing pseudoref in `MERGE_HEAD`, + `CHERRY_PICK_HEAD`, `REVERT_HEAD` or `REBASE_HEAD`. Only works + when the index has unmerged entries. This option can be used to show + relevant commits when resolving conflicts from a 3-way merge. --boundary:: Output excluded boundary commits. Boundary commits are @@ -1019,6 +1022,10 @@ Unexpected missing objects will raise an error. + The form '--missing=print' is like 'allow-any', but will also print a list of the missing objects. Object IDs are prefixed with a ``?'' character. ++ +If some tips passed to the traversal are missing, they will be +considered as missing too, and the traversal will ignore them. In case +we cannot get their Object ID though, an error will be raised. --exclude-promisor-objects:: (For internal use only.) Prefilter object traversal at diff --git a/Documentation/urls.txt b/Documentation/urls.txt index ce671f812d..7cec85aef1 100644 --- a/Documentation/urls.txt +++ b/Documentation/urls.txt @@ -15,14 +15,14 @@ should be used with caution on unsecured networks. The following syntaxes may be used with them: -- ssh://{startsb}user@{endsb}host.xz{startsb}:port{endsb}/path/to/repo.git/ -- git://host.xz{startsb}:port{endsb}/path/to/repo.git/ -- http{startsb}s{endsb}://host.xz{startsb}:port{endsb}/path/to/repo.git/ -- ftp{startsb}s{endsb}://host.xz{startsb}:port{endsb}/path/to/repo.git/ +- ++ssh://++{startsb}__<user>__++@++{endsb}__<host>__{startsb}++:++__<port>__{endsb}++/++__<path-to-git-repo>__ +- ++git://++__<host>__{startsb}:__<port>__{endsb}++/++__<path-to-git-repo>__ +- ++http++{startsb}++s++{endsb}++://++__<host>__{startsb}++:++__<port>__{endsb}++/++__<path-to-git-repo>__ +- ++ftp++{startsb}++s++{endsb}++://++__<host>__{startsb}++:++__<port>__{endsb}++/++__<path-to-git-repo>__ An alternative scp-like syntax may also be used with the ssh protocol: -- {startsb}user@{endsb}host.xz:path/to/repo.git/ +- {startsb}__<user>__++@++{endsb}__<host>__++:/++__<path-to-git-repo>__ This syntax is only recognized if there are no slashes before the first colon. This helps differentiate a local path that contains a @@ -30,40 +30,40 @@ colon. For example the local path `foo:bar` could be specified as an absolute path or `./foo:bar` to avoid being misinterpreted as an ssh url. -The ssh and git protocols additionally support ~username expansion: +The ssh and git protocols additionally support ++~++__<username>__ expansion: -- ssh://{startsb}user@{endsb}host.xz{startsb}:port{endsb}/~{startsb}user{endsb}/path/to/repo.git/ -- git://host.xz{startsb}:port{endsb}/~{startsb}user{endsb}/path/to/repo.git/ -- {startsb}user@{endsb}host.xz:/~{startsb}user{endsb}/path/to/repo.git/ +- ++ssh://++{startsb}__<user>__++@++{endsb}__<host>__{startsb}++:++__<port>__{endsb}++/~++__<user>__++/++__<path-to-git-repo>__ +- ++git://++__<host>__{startsb}++:++__<port>__{endsb}++/~++__<user>__++/++__<path-to-git-repo>__ +- {startsb}__<user>__++@++{endsb}__<host>__++:~++__<user>__++/++__<path-to-git-repo>__ For local repositories, also supported by Git natively, the following syntaxes may be used: -- /path/to/repo.git/ -- \file:///path/to/repo.git/ +- `/path/to/repo.git/` +- ++file:///path/to/repo.git/++ ifndef::git-clone[] These two syntaxes are mostly equivalent, except when cloning, when -the former implies --local option. See linkgit:git-clone[1] for +the former implies `--local` option. See linkgit:git-clone[1] for details. endif::git-clone[] ifdef::git-clone[] These two syntaxes are mostly equivalent, except the former implies ---local option. +`--local` option. endif::git-clone[] -'git clone', 'git fetch' and 'git pull', but not 'git push', will also +`git clone`, `git fetch` and `git pull`, but not `git push`, will also accept a suitable bundle file. See linkgit:git-bundle[1]. When Git doesn't know how to handle a certain transport protocol, it -attempts to use the 'remote-<transport>' remote helper, if one +attempts to use the `remote-`{empty}__<transport>__ remote helper, if one exists. To explicitly request a remote helper, the following syntax may be used: -- <transport>::<address> +- _<transport>_::__<address>__ -where <address> may be a path, a server and path, or an arbitrary +where _<address>_ may be a path, a server and path, or an arbitrary URL-like string recognized by the specific remote helper being invoked. See linkgit:gitremote-helpers[7] for details. @@ -72,10 +72,11 @@ you want to use a different format for them (such that the URLs you use will be rewritten into URLs that work), you can create a configuration section of the form: ------------- - [url "<actual-url-base>"] - insteadOf = <other-url-base> ------------- +[verse] +-- + [url "__<actual-url-base>__"] + insteadOf = _<other-url-base>_ +-- For example, with this: @@ -91,10 +92,11 @@ rewritten in any context that takes a URL to be "git://git.host.xz/repo.git". If you want to rewrite URLs for push only, you can create a configuration section of the form: ------------- - [url "<actual-url-base>"] - pushInsteadOf = <other-url-base> ------------- +[verse] +-- + [url "__<actual-url-base>__"] + pushInsteadOf = _<other-url-base>_ +-- For example, with this: diff --git a/Documentation/user-manual.txt b/Documentation/user-manual.txt index 6433903491..90a4189358 100644 --- a/Documentation/user-manual.txt +++ b/Documentation/user-manual.txt @@ -4093,7 +4093,38 @@ that not only specifies their type, but also provides size information about the data in the object. It's worth noting that the SHA-1 hash that is used to name the object is the hash of the original data plus this header, so `sha1sum` 'file' does not match the object name -for 'file'. +for 'file' (the earliest versions of Git hashed slightly differently +but the conclusion is still the same). + +The following is a short example that demonstrates how these hashes +can be generated manually: + +Let's assume a small text file with some simple content: + +------------------------------------------------- +$ echo "Hello world" >hello.txt +------------------------------------------------- + +We can now manually generate the hash Git would use for this file: + +- The object we want the hash for is of type "blob" and its size is + 12 bytes. + +- Prepend the object header to the file content and feed this to + `sha1sum`: + +------------------------------------------------- +$ { printf "blob 12\0"; cat hello.txt; } | sha1sum +802992c4220de19a90767f3000a79a31b98d0df7 - +------------------------------------------------- + +This manually constructed hash can be verified using `git hash-object` +which of course hides the addition of the header: + +------------------------------------------------- +$ git hash-object hello.txt +802992c4220de19a90767f3000a79a31b98d0df7 +------------------------------------------------- As a result, the general consistency of an object can always be tested independently of the contents or the type of the object: all objects can @@ -4123,7 +4154,8 @@ $ git switch --detach e83c5163 ---------------------------------------------------- The initial revision lays the foundation for almost everything Git has -today, but is small enough to read in one sitting. +today (even though details may differ in a few places), but is small +enough to read in one sitting. Note that terminology has changed since that revision. For example, the README in that revision uses the word "changeset" to describe what we @@ -139,7 +139,7 @@ Issues of note: not need that functionality, use NO_CURL to build without it. - Git requires version "7.19.5" or later of "libcurl" to build + Git requires version "7.21.3" or later of "libcurl" to build without NO_CURL. This version requirement may be bumped in the future. @@ -757,6 +757,7 @@ ETAGS_TARGET = TAGS # runs in the future. FUZZ_OBJS += oss-fuzz/dummy-cmd-main.o FUZZ_OBJS += oss-fuzz/fuzz-commit-graph.o +FUZZ_OBJS += oss-fuzz/fuzz-config.o FUZZ_OBJS += oss-fuzz/fuzz-date.o FUZZ_OBJS += oss-fuzz/fuzz-pack-headers.o FUZZ_OBJS += oss-fuzz/fuzz-pack-idx.o @@ -797,6 +798,7 @@ TEST_BUILTINS_OBJS += test-config.o TEST_BUILTINS_OBJS += test-crontab.o TEST_BUILTINS_OBJS += test-csprng.o TEST_BUILTINS_OBJS += test-date.o +TEST_BUILTINS_OBJS += test-delete-gpgsig.o TEST_BUILTINS_OBJS += test-delta.o TEST_BUILTINS_OBJS += test-dir-iterator.o TEST_BUILTINS_OBJS += test-drop-caches.o @@ -1060,6 +1062,7 @@ LIB_OBJS += list-objects-filter.o LIB_OBJS += list-objects.o LIB_OBJS += lockfile.o LIB_OBJS += log-tree.o +LIB_OBJS += loose.o LIB_OBJS += ls-refs.o LIB_OBJS += mailinfo.o LIB_OBJS += mailmap.o @@ -1072,6 +1075,7 @@ LIB_OBJS += merge-ort-wrappers.o LIB_OBJS += merge-recursive.o LIB_OBJS += merge.o LIB_OBJS += midx.o +LIB_OBJS += midx-write.o LIB_OBJS += name-hash.o LIB_OBJS += negotiator/default.o LIB_OBJS += negotiator/noop.o @@ -1080,6 +1084,7 @@ LIB_OBJS += notes-cache.o LIB_OBJS += notes-merge.o LIB_OBJS += notes-utils.o LIB_OBJS += notes.o +LIB_OBJS += object-file-convert.o LIB_OBJS += object-file.o LIB_OBJS += object-name.o LIB_OBJS += object.o diff --git a/add-patch.c b/add-patch.c index 68f525b35c..a06dd18985 100644 --- a/add-patch.c +++ b/add-patch.c @@ -1105,26 +1105,26 @@ static int edit_hunk_manually(struct add_p_state *s, struct hunk *hunk) size_t i; strbuf_reset(&s->buf); - strbuf_commented_addf(&s->buf, comment_line_char, + strbuf_commented_addf(&s->buf, comment_line_str, _("Manual hunk edit mode -- see bottom for " "a quick guide.\n")); render_hunk(s, hunk, 0, 0, &s->buf); - strbuf_commented_addf(&s->buf, comment_line_char, + strbuf_commented_addf(&s->buf, comment_line_str, _("---\n" "To remove '%c' lines, make them ' ' lines " "(context).\n" "To remove '%c' lines, delete them.\n" - "Lines starting with %c will be removed.\n"), + "Lines starting with %s will be removed.\n"), s->mode->is_reverse ? '+' : '-', s->mode->is_reverse ? '-' : '+', - comment_line_char); - strbuf_commented_addf(&s->buf, comment_line_char, "%s", + comment_line_str); + strbuf_commented_addf(&s->buf, comment_line_str, "%s", _(s->mode->edit_hunk_hint)); /* * TRANSLATORS: 'it' refers to the patch mentioned in the previous * messages. */ - strbuf_commented_addf(&s->buf, comment_line_char, + strbuf_commented_addf(&s->buf, comment_line_str, _("If it does not apply cleanly, you will be " "given an opportunity to\n" "edit again. If all lines of the hunk are " @@ -1139,7 +1139,7 @@ static int edit_hunk_manually(struct add_p_state *s, struct hunk *hunk) for (i = 0; i < s->buf.len; ) { size_t next = find_next_line(&s->buf, i); - if (s->buf.buf[i] != comment_line_char) + if (!starts_with(s->buf.buf + i, comment_line_str)) strbuf_add(&s->plain, s->buf.buf + i, next - i); i = next; } @@ -1388,13 +1388,14 @@ N_("j - leave this hunk undecided, see next undecided hunk\n" "/ - search for a hunk matching the given regex\n" "s - split the current hunk into smaller hunks\n" "e - manually edit the current hunk\n" + "p - print the current hunk\n" "? - print help\n"); static int patch_update_file(struct add_p_state *s, struct file_diff *file_diff) { size_t hunk_index = 0; - ssize_t i, undecided_previous, undecided_next; + ssize_t i, undecided_previous, undecided_next, rendered_hunk_index = -1; struct hunk *hunk; char ch; struct child_process cp = CHILD_PROCESS_INIT; @@ -1447,8 +1448,11 @@ static int patch_update_file(struct add_p_state *s, strbuf_reset(&s->buf); if (file_diff->hunk_nr) { - render_hunk(s, hunk, 0, colored, &s->buf); - fputs(s->buf.buf, stdout); + if (rendered_hunk_index != hunk_index) { + render_hunk(s, hunk, 0, colored, &s->buf); + fputs(s->buf.buf, stdout); + rendered_hunk_index = hunk_index; + } strbuf_reset(&s->buf); if (undecided_previous >= 0) { @@ -1480,6 +1484,7 @@ static int patch_update_file(struct add_p_state *s, permitted |= ALLOW_EDIT; strbuf_addstr(&s->buf, ",e"); } + strbuf_addstr(&s->buf, ",p"); } if (file_diff->deleted) prompt_mode_type = PROMPT_DELETION; @@ -1644,13 +1649,15 @@ soft_increment: hunk_index = i; } else if (s->answer.buf[0] == 's') { size_t splittable_into = hunk->splittable_into; - if (!(permitted & ALLOW_SPLIT)) + if (!(permitted & ALLOW_SPLIT)) { err(s, _("Sorry, cannot split this hunk")); - else if (!split_hunk(s, file_diff, - hunk - file_diff->hunk)) + } else if (!split_hunk(s, file_diff, + hunk - file_diff->hunk)) { color_fprintf_ln(stdout, s->s.header_color, _("Split into %d hunks."), (int)splittable_into); + rendered_hunk_index = -1; + } } else if (s->answer.buf[0] == 'e') { if (!(permitted & ALLOW_EDIT)) err(s, _("Sorry, cannot edit this hunk")); @@ -1658,6 +1665,8 @@ soft_increment: hunk->use = USE_HUNK; goto soft_increment; } + } else if (s->answer.buf[0] == 'p') { + rendered_hunk_index = -1; } else { const char *p = _(help_patch_remainder), *eol = p; @@ -57,6 +57,7 @@ static struct { [ADVICE_GRAFT_FILE_DEPRECATED] = { "graftFileDeprecated" }, [ADVICE_IGNORED_HOOK] = { "ignoredHook" }, [ADVICE_IMPLICIT_IDENTITY] = { "implicitIdentity" }, + [ADVICE_MERGE_CONFLICT] = { "mergeConflict" }, [ADVICE_NESTED_TAG] = { "nestedTag" }, [ADVICE_OBJECT_NAME_WARNING] = { "objectNameWarning" }, [ADVICE_PUSH_ALREADY_EXISTS] = { "pushAlreadyExists" }, @@ -68,6 +69,7 @@ static struct { [ADVICE_PUSH_UNQUALIFIED_REF_NAME] = { "pushUnqualifiedRefName" }, [ADVICE_PUSH_UPDATE_REJECTED] = { "pushUpdateRejected" }, [ADVICE_PUSH_UPDATE_REJECTED_ALIAS] = { "pushNonFastForward" }, /* backwards compatibility */ + [ADVICE_REF_SYNTAX] = { "refSyntax" }, [ADVICE_RESET_NO_REFRESH_WARNING] = { "resetNoRefresh" }, [ADVICE_RESOLVE_CONFLICT] = { "resolveConflict" }, [ADVICE_RM_HINTS] = { "rmHints" }, @@ -103,8 +105,9 @@ static void vadvise(const char *advice, int display_instructions, for (cp = buf.buf; *cp; cp = np) { np = strchrnul(cp, '\n'); - fprintf(stderr, _("%shint: %.*s%s\n"), + fprintf(stderr, _("%shint:%s%.*s%s\n"), advise_get_color(ADVICE_COLOR_HINT), + (np == cp) ? "" : " ", (int)(np - cp), cp, advise_get_color(ADVICE_COLOR_RESET)); if (*np) @@ -25,6 +25,7 @@ enum advice_type { ADVICE_GRAFT_FILE_DEPRECATED, ADVICE_IGNORED_HOOK, ADVICE_IMPLICIT_IDENTITY, + ADVICE_MERGE_CONFLICT, ADVICE_NESTED_TAG, ADVICE_OBJECT_NAME_WARNING, ADVICE_PUSH_ALREADY_EXISTS, @@ -36,6 +37,7 @@ enum advice_type { ADVICE_PUSH_UNQUALIFIED_REF_NAME, ADVICE_PUSH_UPDATE_REJECTED, ADVICE_PUSH_UPDATE_REJECTED_ALIAS, + ADVICE_REF_SYNTAX, ADVICE_RESET_NO_REFRESH_WARNING, ADVICE_RESOLVE_CONFLICT, ADVICE_RM_HINTS, @@ -1292,8 +1292,15 @@ static char *git_header_name(int p_value, return NULL; /* no postimage name */ second = skip_tree_prefix(p_value, name + len + 1, line_len - (len + 1)); + /* + * If we are at the SP at the end of a directory, + * skip_tree_prefix() may return NULL as that makes + * it appears as if we have an absolute path. + * Keep going to find another SP. + */ if (!second) - return NULL; + continue; + /* * Does len bytes starting at "name" and "second" * (that are separated by one HT or SP we just @@ -4441,6 +4448,7 @@ static int create_one_file(struct apply_state *state, const char *buf, unsigned long size) { + char *newpath = NULL; int res; if (state->cached) @@ -4502,24 +4510,26 @@ static int create_one_file(struct apply_state *state, unsigned int nr = getpid(); for (;;) { - char newpath[PATH_MAX]; - mksnpath(newpath, sizeof(newpath), "%s~%u", path, nr); + newpath = mkpathdup("%s~%u", path, nr); res = try_create_file(state, newpath, mode, buf, size); if (res < 0) - return -1; + goto out; if (!res) { if (!rename(newpath, path)) - return 0; + goto out; unlink_or_warn(newpath); break; } if (errno != EEXIST) break; ++nr; + FREE_AND_NULL(newpath); } } - return error_errno(_("unable to write file '%s' mode %o"), - path, mode); + res = error_errno(_("unable to write file '%s' mode %o"), path, mode); +out: + free(newpath); + return res; } static int add_conflicted_stages_file(struct apply_state *state, @@ -4655,8 +4665,11 @@ static int write_out_one_reject(struct apply_state *state, struct patch *patch) return error_errno(_("cannot open %s"), namebuf); } rej = fdopen(fd, "w"); - if (!rej) - return error_errno(_("cannot open %s"), namebuf); + if (!rej) { + error_errno(_("cannot open %s"), namebuf); + close(fd); + return -1; + } /* Normal git tools never deal with .rej, so do not pretend * this is a git patch by saying --git or giving extended @@ -339,7 +339,8 @@ int write_archive_entries(struct archiver_args *args, opts.src_index = args->repo->index; opts.dst_index = args->repo->index; opts.fn = oneway_merge; - init_tree_desc(&t, args->tree->buffer, args->tree->size); + init_tree_desc(&t, &args->tree->object.oid, + args->tree->buffer, args->tree->size); if (unpack_trees(1, &t, &opts)) return -1; git_attr_set_direction(GIT_ATTR_INDEX); @@ -836,10 +836,11 @@ static void handle_skipped_merge_base(const struct object_id *mb) static enum bisect_error check_merge_bases(int rev_nr, struct commit **rev, int no_checkout) { enum bisect_error res = BISECT_OK; - struct commit_list *result; + struct commit_list *result = NULL; - result = repo_get_merge_bases_many(the_repository, rev[0], rev_nr - 1, - rev + 1); + if (repo_get_merge_bases_many(the_repository, rev[0], rev_nr - 1, + rev + 1, &result) < 0) + exit(128); for (; result; result = result->next) { const struct object_id *mb = &result->item->object.oid; @@ -370,8 +370,12 @@ int read_branch_desc(struct strbuf *buf, const char *branch_name) */ int validate_branchname(const char *name, struct strbuf *ref) { - if (strbuf_check_branch_ref(ref, name)) - die(_("'%s' is not a valid branch name"), name); + if (strbuf_check_branch_ref(ref, name)) { + int code = die_message(_("'%s' is not a valid branch name"), name); + advise_if_enabled(ADVICE_REF_SYNTAX, + _("See `man git check-ref-format`")); + exit(code); + } return ref_exists(ref->buf); } diff --git a/builtin/add.c b/builtin/add.c index ada7719561..ae723bc85e 100644 --- a/builtin/add.c +++ b/builtin/add.c @@ -115,7 +115,7 @@ static int refresh(int verbose, const struct pathspec *pathspec) int i, ret = 0; char *skip_worktree_seen = NULL; struct string_list only_match_skip_worktree = STRING_LIST_INIT_NODUP; - int flags = REFRESH_IGNORE_SKIP_WORKTREE | + unsigned int flags = REFRESH_IGNORE_SKIP_WORKTREE | (verbose ? REFRESH_IN_PORCELAIN : REFRESH_QUIET); seen = xcalloc(pathspec->nr, 1); @@ -310,9 +310,9 @@ static void check_embedded_repo(const char *path) strbuf_strip_suffix(&name, "/"); warning(_("adding embedded git repository: %s"), name.buf); - if (!adviced_on_embedded_repo && - advice_enabled(ADVICE_ADD_EMBEDDED_REPO)) { - advise(embedded_advice, name.buf, name.buf); + if (!adviced_on_embedded_repo) { + advise_if_enabled(ADVICE_ADD_EMBEDDED_REPO, + embedded_advice, name.buf, name.buf); adviced_on_embedded_repo = 1; } @@ -328,10 +328,8 @@ static int add_files(struct dir_struct *dir, int flags) fprintf(stderr, _(ignore_error)); for (i = 0; i < dir->ignored_nr; i++) fprintf(stderr, "%s\n", dir->ignored[i]->name); - if (advice_enabled(ADVICE_ADD_IGNORED_FILE)) - advise(_("Use -f if you really want to add them.\n" - "Turn this message off by running\n" - "\"git config advice.addIgnoredFile false\"")); + advise_if_enabled(ADVICE_ADD_IGNORED_FILE, + _("Use -f if you really want to add them.")); exit_status = 1; } @@ -370,6 +368,7 @@ int cmd_add(int argc, const char **argv, const char *prefix) int add_new_files; int require_pathspec; char *seen = NULL; + char *ps_matched = NULL; struct lock_file lock_file = LOCK_INIT; git_config(add_config, NULL); @@ -440,10 +439,8 @@ int cmd_add(int argc, const char **argv, const char *prefix) if (require_pathspec && pathspec.nr == 0) { fprintf(stderr, _("Nothing specified, nothing added.\n")); - if (advice_enabled(ADVICE_ADD_EMPTY_PATHSPEC)) - advise( _("Maybe you wanted to say 'git add .'?\n" - "Turn this message off by running\n" - "\"git config advice.addEmptyPathspec false\"")); + advise_if_enabled(ADVICE_ADD_EMPTY_PATHSPEC, + _("Maybe you wanted to say 'git add .'?")); return 0; } @@ -549,12 +546,17 @@ int cmd_add(int argc, const char **argv, const char *prefix) begin_odb_transaction(); + ps_matched = xcalloc(pathspec.nr, 1); if (add_renormalize) exit_status |= renormalize_tracked_files(&pathspec, flags); else exit_status |= add_files_to_cache(the_repository, prefix, - &pathspec, include_sparse, - flags); + &pathspec, ps_matched, + include_sparse, flags); + + if (take_worktree_changes && !add_renormalize && !ignore_add_errors && + report_path_error(ps_matched, &pathspec)) + exit(128); if (add_new_files) exit_status |= add_files(&dir, flags); @@ -568,6 +570,7 @@ finish: COMMIT_LOCK | SKIP_IF_UNCHANGED)) die(_("unable to write new index file")); + free(ps_matched); dir_clear(&dir); clear_pathspec(&pathspec); return exit_status; diff --git a/builtin/am.c b/builtin/am.c index d1990d7edc..022cae2e8d 100644 --- a/builtin/am.c +++ b/builtin/am.c @@ -1150,19 +1150,23 @@ static const char *msgnum(const struct am_state *state) static void NORETURN die_user_resolve(const struct am_state *state) { if (state->resolvemsg) { - printf_ln("%s", state->resolvemsg); + advise_if_enabled(ADVICE_MERGE_CONFLICT, "%s", state->resolvemsg); } else { const char *cmdline = state->interactive ? "git am -i" : "git am"; + struct strbuf sb = STRBUF_INIT; - printf_ln(_("When you have resolved this problem, run \"%s --continue\"."), cmdline); - printf_ln(_("If you prefer to skip this patch, run \"%s --skip\" instead."), cmdline); + strbuf_addf(&sb, _("When you have resolved this problem, run \"%s --continue\".\n"), cmdline); + strbuf_addf(&sb, _("If you prefer to skip this patch, run \"%s --skip\" instead.\n"), cmdline); if (advice_enabled(ADVICE_AM_WORK_DIR) && is_empty_or_missing_file(am_path(state, "patch")) && !repo_index_has_changes(the_repository, NULL, NULL)) - printf_ln(_("To record the empty patch as an empty commit, run \"%s --allow-empty\"."), cmdline); + strbuf_addf(&sb, _("To record the empty patch as an empty commit, run \"%s --allow-empty\".\n"), cmdline); - printf_ln(_("To restore the original branch and stop patching, run \"%s --abort\"."), cmdline); + strbuf_addf(&sb, _("To restore the original branch and stop patching, run \"%s --abort\"."), cmdline); + + advise_if_enabled(ADVICE_MERGE_CONFLICT, "%s", sb.buf); + strbuf_release(&sb); } exit(128); @@ -1286,7 +1290,7 @@ static int parse_mail(struct am_state *state, const char *mail) strbuf_addstr(&msg, "\n\n"); strbuf_addbuf(&msg, &mi.log_message); - strbuf_stripspace(&msg, '\0'); + strbuf_stripspace(&msg, NULL); assert(!state->author_name); state->author_name = strbuf_detach(&author_name, NULL); @@ -1994,8 +1998,8 @@ static int fast_forward_to(struct tree *head, struct tree *remote, int reset) opts.reset = reset ? UNPACK_RESET_PROTECT_UNTRACKED : 0; opts.preserve_ignored = 0; /* FIXME: !overwrite_ignore */ opts.fn = twoway_merge; - init_tree_desc(&t[0], head->buffer, head->size); - init_tree_desc(&t[1], remote->buffer, remote->size); + init_tree_desc(&t[0], &head->object.oid, head->buffer, head->size); + init_tree_desc(&t[1], &remote->object.oid, remote->buffer, remote->size); if (unpack_trees(2, t, &opts)) { rollback_lock_file(&lock_file); @@ -2029,7 +2033,7 @@ static int merge_tree(struct tree *tree) opts.dst_index = &the_index; opts.merge = 1; opts.fn = oneway_merge; - init_tree_desc(&t[0], tree->buffer, tree->size); + init_tree_desc(&t[0], &tree->object.oid, tree->buffer, tree->size); if (unpack_trees(1, t, &opts)) { rollback_lock_file(&lock_file); diff --git a/builtin/branch.c b/builtin/branch.c index cfb63cce5f..dd3e3a7dc0 100644 --- a/builtin/branch.c +++ b/builtin/branch.c @@ -158,6 +158,8 @@ static int branch_merged(int kind, const char *name, merged = reference_rev ? repo_in_merge_bases(the_repository, rev, reference_rev) : 0; + if (merged < 0) + exit(128); /* * After the safety valve is fully redefined to "check with @@ -166,9 +168,13 @@ static int branch_merged(int kind, const char *name, * any of the following code, but during the transition period, * a gentle reminder is in order. */ - if ((head_rev != reference_rev) && - (head_rev ? repo_in_merge_bases(the_repository, rev, head_rev) : 0) != merged) { - if (merged) + if (head_rev != reference_rev) { + int expect = head_rev ? repo_in_merge_bases(the_repository, rev, head_rev) : 0; + if (expect < 0) + exit(128); + if (expect == merged) + ; /* okay */ + else if (merged) warning(_("deleting branch '%s' that has been merged to\n" " '%s', but not yet merged to HEAD"), name, reference_name); @@ -576,8 +582,12 @@ static void copy_or_rename_branch(const char *oldname, const char *newname, int */ if (ref_exists(oldref.buf)) recovery = 1; - else - die(_("invalid branch name: '%s'"), oldname); + else { + int code = die_message(_("invalid branch name: '%s'"), oldname); + advise_if_enabled(ADVICE_REF_SYNTAX, + _("See `man git check-ref-format`")); + exit(code); + } } for (int i = 0; worktrees[i]; i++) { @@ -667,18 +677,18 @@ static int edit_branch_description(const char *branch_name) exists = !read_branch_desc(&buf, branch_name); if (!buf.len || buf.buf[buf.len-1] != '\n') strbuf_addch(&buf, '\n'); - strbuf_commented_addf(&buf, comment_line_char, + strbuf_commented_addf(&buf, comment_line_str, _("Please edit the description for the branch\n" " %s\n" - "Lines starting with '%c' will be stripped.\n"), - branch_name, comment_line_char); + "Lines starting with '%s' will be stripped.\n"), + branch_name, comment_line_str); write_file_buf(edit_description(), buf.buf, buf.len); strbuf_reset(&buf); if (launch_editor(edit_description(), &buf, NULL)) { strbuf_release(&buf); return -1; } - strbuf_stripspace(&buf, comment_line_char); + strbuf_stripspace(&buf, comment_line_str); strbuf_addf(&name, "branch.%s.description", branch_name); if (buf.len || exists) diff --git a/builtin/bugreport.c b/builtin/bugreport.c index 3106e56a13..25f860a0d9 100644 --- a/builtin/bugreport.c +++ b/builtin/bugreport.c @@ -64,7 +64,8 @@ static void get_populated_hooks(struct strbuf *hook_info, int nongit) } static const char * const bugreport_usage[] = { - N_("git bugreport [(-o | --output-directory) <path>] [(-s | --suffix) <format>]\n" + N_("git bugreport [(-o | --output-directory) <path>]\n" + " [(-s | --suffix) <format> | --no-suffix]\n" " [--diagnose[=<mode>]]"), NULL }; @@ -138,8 +139,11 @@ int cmd_bugreport(int argc, const char **argv, const char *prefix) strbuf_complete(&report_path, '/'); output_path_len = report_path.len; - strbuf_addstr(&report_path, "git-bugreport-"); - strbuf_addftime(&report_path, option_suffix, localtime_r(&now, &tm), 0, 0); + strbuf_addstr(&report_path, "git-bugreport"); + if (option_suffix) { + strbuf_addch(&report_path, '-'); + strbuf_addftime(&report_path, option_suffix, localtime_r(&now, &tm), 0, 0); + } strbuf_addstr(&report_path, ".txt"); switch (safe_create_leading_directories(report_path.buf)) { diff --git a/builtin/cat-file.c b/builtin/cat-file.c index bbf851138e..0c948f40fb 100644 --- a/builtin/cat-file.c +++ b/builtin/cat-file.c @@ -106,7 +106,10 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, struct object_info oi = OBJECT_INFO_INIT; struct strbuf sb = STRBUF_INIT; unsigned flags = OBJECT_INFO_LOOKUP_REPLACE; - unsigned get_oid_flags = GET_OID_RECORD_PATH | GET_OID_ONLY_TO_DIE; + unsigned get_oid_flags = + GET_OID_RECORD_PATH | + GET_OID_ONLY_TO_DIE | + GET_OID_HASH_ANY; const char *path = force_path; const int opt_cw = (opt == 'c' || opt == 'w'); if (!path && opt_cw) @@ -226,7 +229,8 @@ static int cat_one_file(int opt, const char *exp_type, const char *obj_name, die(_("unable to read %s"), oid_to_hex(&oid)); if (!skip_prefix(buffer, "object ", &target) || - get_oid_hex(target, &blob_oid)) + get_oid_hex_algop(target, &blob_oid, + &hash_algos[oid.algo])) die("%s not a valid tag", oid_to_hex(&oid)); free(buffer); } else @@ -310,8 +314,8 @@ static int is_atom(const char *atom, const char *s, int slen) return alen == slen && !memcmp(atom, s, alen); } -static void expand_atom(struct strbuf *sb, const char *atom, int len, - struct expand_data *data) +static int expand_atom(struct strbuf *sb, const char *atom, int len, + struct expand_data *data) { if (is_atom("objectname", atom, len)) { if (!data->mark_query) @@ -343,7 +347,8 @@ static void expand_atom(struct strbuf *sb, const char *atom, int len, strbuf_addstr(sb, oid_to_hex(&data->delta_base_oid)); } else - die("unknown format element: %.*s", len, atom); + return 0; + return 1; } static void expand_format(struct strbuf *sb, const char *start, @@ -354,12 +359,11 @@ static void expand_format(struct strbuf *sb, const char *start, if (skip_prefix(start, "%", &start) || *start != '(') strbuf_addch(sb, '%'); - else if (!(end = strchr(start + 1, ')'))) - die("format element '%s' does not end in ')'", start); - else { - expand_atom(sb, start + 1, end - start - 1, data); + else if ((end = strchr(start + 1, ')')) && + expand_atom(sb, start + 1, end - start - 1, data)) start = end + 1; - } + else + strbuf_expand_bad_format(start, "cat-file"); } } @@ -517,7 +521,9 @@ static void batch_one_object(const char *obj_name, struct expand_data *data) { struct object_context ctx; - int flags = opt->follow_symlinks ? GET_OID_FOLLOW_SYMLINKS : 0; + int flags = + GET_OID_HASH_ANY | + (opt->follow_symlinks ? GET_OID_FOLLOW_SYMLINKS : 0); enum get_oid_result result; result = get_oid_with_context(the_repository, obj_name, diff --git a/builtin/checkout.c b/builtin/checkout.c index 067c251933..71e6036aab 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -91,7 +91,7 @@ struct checkout_opts { int new_branch_log; enum branch_track track; struct diff_options diff_options; - char *conflict_style; + int conflict_style; int branch_exists; const char *prefix; @@ -100,6 +100,8 @@ struct checkout_opts { struct tree *source_tree; }; +#define CHECKOUT_OPTS_INIT { .conflict_style = -1, .merge = -1 } + struct branch_info { char *name; /* The short name used */ char *path; /* The full name of a real branch */ @@ -251,7 +253,8 @@ static int checkout_stage(int stage, const struct cache_entry *ce, int pos, } static int checkout_merged(int pos, const struct checkout *state, - int *nr_checkouts, struct mem_pool *ce_mem_pool) + int *nr_checkouts, struct mem_pool *ce_mem_pool, + int conflict_style) { struct cache_entry *ce = the_index.cache[pos]; const char *path = ce->name; @@ -262,7 +265,7 @@ static int checkout_merged(int pos, const struct checkout *state, mmbuffer_t result_buf; struct object_id threeway[3]; unsigned mode = 0; - struct ll_merge_options ll_opts; + struct ll_merge_options ll_opts = LL_MERGE_OPTIONS_INIT; int renormalize = 0; memset(threeway, 0, sizeof(threeway)); @@ -284,9 +287,9 @@ static int checkout_merged(int pos, const struct checkout *state, read_mmblob(&ours, &threeway[1]); read_mmblob(&theirs, &threeway[2]); - memset(&ll_opts, 0, sizeof(ll_opts)); git_config_get_bool("merge.renormalize", &renormalize); ll_opts.renormalize = renormalize; + ll_opts.conflict_style = conflict_style; merge_status = ll_merge(&result_buf, path, &ancestor, "base", &ours, "ours", &theirs, "theirs", state->istate, &ll_opts); @@ -417,7 +420,8 @@ static int checkout_worktree(const struct checkout_opts *opts, else if (opts->merge) errs |= checkout_merged(pos, &state, &nr_unmerged, - &ce_mem_pool); + &ce_mem_pool, + opts->conflict_style); pos = skip_same_name(ce, pos) - 1; } } @@ -704,8 +708,9 @@ static int reset_tree(struct tree *tree, const struct checkout_opts *o, init_checkout_metadata(&opts.meta, info->refname, info->commit ? &info->commit->object.oid : null_oid(), NULL); - parse_tree(tree); - init_tree_desc(&tree_desc, tree->buffer, tree->size); + if (parse_tree(tree) < 0) + return 128; + init_tree_desc(&tree_desc, &tree->object.oid, tree->buffer, tree->size); switch (unpack_trees(1, &tree_desc, &opts)) { case -2: *writeout_error = 1; @@ -783,9 +788,15 @@ static int merge_working_tree(const struct checkout_opts *opts, if (new_branch_info->commit) BUG("'switch --orphan' should never accept a commit as starting point"); new_tree = parse_tree_indirect(the_hash_algo->empty_tree); - } else + if (!new_tree) + BUG("unable to read empty tree"); + } else { new_tree = repo_get_commit_tree(the_repository, new_branch_info->commit); + if (!new_tree) + return error(_("unable to read tree (%s)"), + oid_to_hex(&new_branch_info->commit->object.oid)); + } if (opts->discard_changes) { ret = reset_tree(new_tree, opts, 1, writeout_error, new_branch_info); if (ret) @@ -819,10 +830,13 @@ static int merge_working_tree(const struct checkout_opts *opts, die(_("unable to parse commit %s"), oid_to_hex(old_commit_oid)); - init_tree_desc(&trees[0], tree->buffer, tree->size); - parse_tree(new_tree); + init_tree_desc(&trees[0], &tree->object.oid, + tree->buffer, tree->size); + if (parse_tree(new_tree) < 0) + exit(128); tree = new_tree; - init_tree_desc(&trees[1], tree->buffer, tree->size); + init_tree_desc(&trees[1], &tree->object.oid, + tree->buffer, tree->size); ret = unpack_trees(2, trees, &topts); clear_unpack_trees_porcelain(&topts); @@ -868,7 +882,8 @@ static int merge_working_tree(const struct checkout_opts *opts, * entries in the index. */ - add_files_to_cache(the_repository, NULL, NULL, 0, 0); + add_files_to_cache(the_repository, NULL, NULL, NULL, 0, + 0); init_merge_options(&o, the_repository); o.verbosity = 0; work = write_in_core_index_as_tree(the_repository); @@ -887,6 +902,7 @@ static int merge_working_tree(const struct checkout_opts *opts, } o.branch1 = new_branch_info->name; o.branch2 = "local"; + o.conflict_style = opts->conflict_style; ret = merge_trees(&o, new_tree, work, @@ -1020,7 +1036,8 @@ static void update_refs_for_switch(const struct checkout_opts *opts, remove_branch_state(the_repository, !opts->quiet); strbuf_release(&msg); if (!opts->quiet && - (new_branch_info->path || (!opts->force_detach && !strcmp(new_branch_info->name, "HEAD")))) + !opts->force_detach && + (new_branch_info->path || !strcmp(new_branch_info->name, "HEAD"))) report_tracking(new_branch_info); } @@ -1240,10 +1257,15 @@ static void setup_new_branch_info_and_source_tree( if (!new_branch_info->commit) { /* not a commit */ *source_tree = parse_tree_indirect(rev); + if (!*source_tree) + die(_("unable to read tree (%s)"), oid_to_hex(rev)); } else { parse_commit_or_die(new_branch_info->commit); *source_tree = repo_get_commit_tree(the_repository, new_branch_info->commit); + if (!*source_tree) + die(_("unable to read tree (%s)"), + oid_to_hex(&new_branch_info->commit->object.oid)); } } @@ -1619,6 +1641,24 @@ static int checkout_branch(struct checkout_opts *opts, return switch_branches(opts, new_branch_info); } +static int parse_opt_conflict(const struct option *o, const char *arg, int unset) +{ + struct checkout_opts *opts = o->value; + + if (unset) { + opts->conflict_style = -1; + return 0; + } + opts->conflict_style = parse_conflict_style_name(arg); + if (opts->conflict_style < 0) + return error(_("unknown conflict style '%s'"), arg); + /* --conflict overrides a previous --no-merge */ + if (!opts->merge) + opts->merge = -1; + + return 0; +} + static struct option *add_common_options(struct checkout_opts *opts, struct option *prevopts) { @@ -1629,8 +1669,9 @@ static struct option *add_common_options(struct checkout_opts *opts, PARSE_OPT_OPTARG, option_parse_recurse_submodules_worktree_updater), OPT_BOOL(0, "progress", &opts->show_progress, N_("force progress reporting")), OPT_BOOL('m', "merge", &opts->merge, N_("perform a 3-way merge with the new branch")), - OPT_STRING(0, "conflict", &opts->conflict_style, N_("style"), - N_("conflict style (merge, diff3, or zdiff3)")), + OPT_CALLBACK(0, "conflict", opts, N_("style"), + N_("conflict style (merge, diff3, or zdiff3)"), + parse_opt_conflict), OPT_END() }; struct option *newopts = parse_options_concat(prevopts, options); @@ -1689,10 +1730,11 @@ static char cb_option = 'b'; static int checkout_main(int argc, const char **argv, const char *prefix, struct checkout_opts *opts, struct option *options, - const char * const usagestr[], - struct branch_info *new_branch_info) + const char * const usagestr[]) { int parseopt_flags = 0; + struct branch_info new_branch_info = { 0 }; + int ret; opts->overwrite_ignore = 1; opts->prefix = prefix; @@ -1721,15 +1763,10 @@ static int checkout_main(int argc, const char **argv, const char *prefix, opts->show_progress = isatty(2); } - if (opts->conflict_style) { - struct key_value_info kvi = KVI_INIT; - struct config_context ctx = { - .kvi = &kvi, - }; - opts->merge = 1; /* implied */ - git_xmerge_config("merge.conflictstyle", opts->conflict_style, - &ctx, NULL); - } + /* --conflicts implies --merge */ + if (opts->merge == -1) + opts->merge = opts->conflict_style >= 0; + if (opts->force) { opts->discard_changes = 1; opts->ignore_unmerged_opt = "--force"; @@ -1808,7 +1845,7 @@ static int checkout_main(int argc, const char **argv, const char *prefix, opts->track == BRANCH_TRACK_UNSPECIFIED && !opts->new_branch; int n = parse_branchname_arg(argc, argv, dwim_ok, - new_branch_info, opts, &rev); + &new_branch_info, opts, &rev); argv += n; argc -= n; } else if (!opts->accept_ref && opts->from_treeish) { @@ -1817,7 +1854,7 @@ static int checkout_main(int argc, const char **argv, const char *prefix, if (repo_get_oid_mb(the_repository, opts->from_treeish, &rev)) die(_("could not resolve %s"), opts->from_treeish); - setup_new_branch_info_and_source_tree(new_branch_info, + setup_new_branch_info_and_source_tree(&new_branch_info, opts, &rev, opts->from_treeish); @@ -1837,7 +1874,7 @@ static int checkout_main(int argc, const char **argv, const char *prefix, * Try to give more helpful suggestion. * new_branch && argc > 1 will be caught later. */ - if (opts->new_branch && argc == 1 && !new_branch_info->commit) + if (opts->new_branch && argc == 1 && !new_branch_info.commit) die(_("'%s' is not a commit and a branch '%s' cannot be created from it"), argv[0], opts->new_branch); @@ -1887,14 +1924,21 @@ static int checkout_main(int argc, const char **argv, const char *prefix, } if (opts->patch_mode || opts->pathspec.nr) - return checkout_paths(opts, new_branch_info); + ret = checkout_paths(opts, &new_branch_info); else - return checkout_branch(opts, new_branch_info); + ret = checkout_branch(opts, &new_branch_info); + + branch_info_release(&new_branch_info); + clear_pathspec(&opts->pathspec); + free(opts->pathspec_from_file); + free(options); + + return ret; } int cmd_checkout(int argc, const char **argv, const char *prefix) { - struct checkout_opts opts; + struct checkout_opts opts = CHECKOUT_OPTS_INIT; struct option *options; struct option checkout_options[] = { OPT_STRING('b', NULL, &opts.new_branch, N_("branch"), @@ -1907,10 +1951,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) OPT_BOOL(0, "overlay", &opts.overlay_mode, N_("use overlay mode (default)")), OPT_END() }; - int ret; - struct branch_info new_branch_info = { 0 }; - memset(&opts, 0, sizeof(opts)); opts.dwim_new_local_branch = 1; opts.switch_branch_doing_nothing_is_ok = 1; opts.only_merge_on_switching_branches = 0; @@ -1938,18 +1979,13 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) options = add_common_switch_branch_options(&opts, options); options = add_checkout_path_options(&opts, options); - ret = checkout_main(argc, argv, prefix, &opts, - options, checkout_usage, &new_branch_info); - branch_info_release(&new_branch_info); - clear_pathspec(&opts.pathspec); - free(opts.pathspec_from_file); - FREE_AND_NULL(options); - return ret; + return checkout_main(argc, argv, prefix, &opts, options, + checkout_usage); } int cmd_switch(int argc, const char **argv, const char *prefix) { - struct checkout_opts opts; + struct checkout_opts opts = CHECKOUT_OPTS_INIT; struct option *options = NULL; struct option switch_options[] = { OPT_STRING('c', "create", &opts.new_branch, N_("branch"), @@ -1962,10 +1998,7 @@ int cmd_switch(int argc, const char **argv, const char *prefix) N_("throw away local modifications")), OPT_END() }; - int ret; - struct branch_info new_branch_info = { 0 }; - memset(&opts, 0, sizeof(opts)); opts.dwim_new_local_branch = 1; opts.accept_ref = 1; opts.accept_pathspec = 0; @@ -1982,16 +2015,13 @@ int cmd_switch(int argc, const char **argv, const char *prefix) cb_option = 'c'; - ret = checkout_main(argc, argv, prefix, &opts, - options, switch_branch_usage, &new_branch_info); - branch_info_release(&new_branch_info); - FREE_AND_NULL(options); - return ret; + return checkout_main(argc, argv, prefix, &opts, options, + switch_branch_usage); } int cmd_restore(int argc, const char **argv, const char *prefix) { - struct checkout_opts opts; + struct checkout_opts opts = CHECKOUT_OPTS_INIT; struct option *options; struct option restore_options[] = { OPT_STRING('s', "source", &opts.from_treeish, "<tree-ish>", @@ -2005,10 +2035,7 @@ int cmd_restore(int argc, const char **argv, const char *prefix) OPT_BOOL(0, "overlay", &opts.overlay_mode, N_("use overlay mode")), OPT_END() }; - int ret; - struct branch_info new_branch_info = { 0 }; - memset(&opts, 0, sizeof(opts)); opts.accept_ref = 0; opts.accept_pathspec = 1; opts.empty_pathspec_ok = 0; @@ -2021,9 +2048,6 @@ int cmd_restore(int argc, const char **argv, const char *prefix) options = add_common_options(&opts, options); options = add_checkout_path_options(&opts, options); - ret = checkout_main(argc, argv, prefix, &opts, - options, restore_usage, &new_branch_info); - branch_info_release(&new_branch_info); - FREE_AND_NULL(options); - return ret; + return checkout_main(argc, argv, prefix, &opts, options, + restore_usage); } diff --git a/builtin/clean.c b/builtin/clean.c index d90766cad3..29efe84153 100644 --- a/builtin/clean.c +++ b/builtin/clean.c @@ -25,7 +25,7 @@ #include "help.h" #include "prompt.h" -static int force = -1; /* unset */ +static int require_force = -1; /* unset */ static int interactive; static struct string_list del_list = STRING_LIST_INIT_DUP; static unsigned int colopts; @@ -128,7 +128,7 @@ static int git_clean_config(const char *var, const char *value, } if (!strcmp(var, "clean.requireforce")) { - force = !git_config_bool(var, value); + require_force = git_config_bool(var, value); return 0; } @@ -920,7 +920,7 @@ int cmd_clean(int argc, const char **argv, const char *prefix) { int i, res; int dry_run = 0, remove_directories = 0, quiet = 0, ignored = 0; - int ignored_only = 0, config_set = 0, errors = 0, gone = 1; + int ignored_only = 0, force = 0, errors = 0, gone = 1; int rm_flags = REMOVE_DIR_KEEP_NESTED_GIT; struct strbuf abs_path = STRBUF_INIT; struct dir_struct dir = DIR_INIT; @@ -946,22 +946,12 @@ int cmd_clean(int argc, const char **argv, const char *prefix) }; git_config(git_clean_config, NULL); - if (force < 0) - force = 0; - else - config_set = 1; argc = parse_options(argc, argv, prefix, options, builtin_clean_usage, 0); - if (!interactive && !dry_run && !force) { - if (config_set) - die(_("clean.requireForce set to true and neither -i, -n, nor -f given; " - "refusing to clean")); - else - die(_("clean.requireForce defaults to true and neither -i, -n, nor -f given;" - " refusing to clean")); - } + if (require_force != 0 && !force && !interactive && !dry_run) + die(_("clean.requireForce is true and -f not given: refusing to clean")); if (force > 1) rm_flags = 0; diff --git a/builtin/clone.c b/builtin/clone.c index bad1b70ce8..74ec14542e 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -116,7 +116,7 @@ static struct option builtin_clone_options[] = { OPT_HIDDEN_BOOL(0, "naked", &option_bare, N_("create a bare repository")), OPT_BOOL(0, "mirror", &option_mirror, - N_("create a mirror repository (implies bare)")), + N_("create a mirror repository (implies --bare)")), OPT_BOOL('l', "local", &option_local, N_("to clone from a local repository")), OPT_BOOL(0, "no-hardlinks", &option_no_hardlinks, @@ -738,8 +738,9 @@ static int checkout(int submodule_progress, int filter_submodules) tree = parse_tree_indirect(&oid); if (!tree) die(_("unable to parse commit %s"), oid_to_hex(&oid)); - parse_tree(tree); - init_tree_desc(&t, tree->buffer, tree->size); + if (parse_tree(tree) < 0) + exit(128); + init_tree_desc(&t, &tree->object.oid, tree->buffer, tree->size); if (unpack_trees(1, &t, &opts) < 0) die(_("unable to checkout working tree")); @@ -926,6 +927,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) struct ref *mapped_refs = NULL; const struct ref *ref; struct strbuf key = STRBUF_INIT; + struct strbuf buf = STRBUF_INIT; struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT; struct transport *transport = NULL; const char *src_ref_prefix = "refs/heads/"; @@ -1126,6 +1128,50 @@ int cmd_clone(int argc, const char **argv, const char *prefix) } /* + * We have a chicken-and-egg situation between initializing the refdb + * and spawning transport helpers: + * + * - Initializing the refdb requires us to know about the object + * format. We thus have to spawn the transport helper to learn + * about it. + * + * - The transport helper may want to access the Git repository. But + * because the refdb has not been initialized, we don't have "HEAD" + * or "refs/". Thus, the helper cannot find the Git repository. + * + * Ideally, we would have structured the helper protocol such that it's + * mandatory for the helper to first announce its capabilities without + * yet assuming a fully initialized repository. Like that, we could + * have added a "lazy-refdb-init" capability that announces whether the + * helper is ready to handle not-yet-initialized refdbs. If any helper + * didn't support them, we would have fully initialized the refdb with + * the SHA1 object format, but later on bailed out if we found out that + * the remote repository used a different object format. + * + * But we didn't, and thus we use the following workaround to partially + * initialize the repository's refdb such that it can be discovered by + * Git commands. To do so, we: + * + * - Create an invalid HEAD ref pointing at "refs/heads/.invalid". + * + * - Create the "refs/" directory. + * + * - Set up the ref storage format and repository version as + * required. + * + * This is sufficient for Git commands to discover the Git directory. + */ + initialize_repository_version(GIT_HASH_UNKNOWN, + the_repository->ref_storage_format, 1); + + strbuf_addf(&buf, "%s/HEAD", git_dir); + write_file(buf.buf, "ref: refs/heads/.invalid"); + + strbuf_reset(&buf); + strbuf_addf(&buf, "%s/refs", git_dir); + safe_create_dir(buf.buf, 1); + + /* * additional config can be injected with -c, make sure it's included * after init_db, which clears the entire config environment. */ @@ -1453,6 +1499,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) free(remote_name); strbuf_release(&reflog_msg); strbuf_release(&branch_top); + strbuf_release(&buf); strbuf_release(&key); free_refs(mapped_refs); free_refs(remote_head_points_at); diff --git a/builtin/commit.c b/builtin/commit.c index 6d1fa71676..6e1484446b 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -331,8 +331,9 @@ static void create_base_index(const struct commit *current_head) tree = parse_tree_indirect(¤t_head->object.oid); if (!tree) die(_("failed to unpack HEAD tree object")); - parse_tree(tree); - init_tree_desc(&t, tree->buffer, tree->size); + if (parse_tree(tree) < 0) + exit(128); + init_tree_desc(&t, &tree->object.oid, tree->buffer, tree->size); if (unpack_trees(1, &t, &opts)) exit(128); /* We've already reported the error, finish dying */ } @@ -440,16 +441,21 @@ static const char *prepare_index(const char **argv, const char *prefix, * (B) on failure, rollback the real index. */ if (all || (also && pathspec.nr)) { + char *ps_matched = xcalloc(pathspec.nr, 1); repo_hold_locked_index(the_repository, &index_lock, LOCK_DIE_ON_ERROR); add_files_to_cache(the_repository, also ? prefix : NULL, - &pathspec, 0, 0); + &pathspec, ps_matched, 0, 0); + if (!all && report_path_error(ps_matched, &pathspec)) + exit(128); + refresh_cache_or_die(refresh_flags); cache_tree_update(&the_index, WRITE_TREE_SILENT); if (write_locked_index(&the_index, &index_lock, 0)) die(_("unable to write new index file")); commit_style = COMMIT_NORMAL; ret = get_lock_file_path(&index_lock); + free(ps_matched); goto out; } @@ -684,9 +690,10 @@ static void adjust_comment_line_char(const struct strbuf *sb) char *candidate; const char *p; - comment_line_char = candidates[0]; - if (!memchr(sb->buf, comment_line_char, sb->len)) + if (!memchr(sb->buf, candidates[0], sb->len)) { + comment_line_str = xstrfmt("%c", candidates[0]); return; + } p = sb->buf; candidate = strchr(candidates, *p); @@ -705,7 +712,7 @@ static void adjust_comment_line_char(const struct strbuf *sb) if (!*p) die(_("unable to select a comment character that is not used\n" "in the current commit message")); - comment_line_char = *p; + comment_line_str = xstrfmt("%c", *p); } static void prepare_amend_commit(struct commit *commit, struct strbuf *sb, @@ -737,7 +744,6 @@ static int prepare_to_commit(const char *index_file, const char *prefix, const char *hook_arg2 = NULL; int clean_message_contents = (cleanup_mode != COMMIT_MSG_CLEANUP_NONE); int old_display_comment_prefix; - int merge_contains_scissors = 0; int invoked_hook; /* This checks and barfs if author is badly specified */ @@ -841,7 +847,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix, wt_status_locate_end(sb.buf + merge_msg_start, sb.len - merge_msg_start) < sb.len - merge_msg_start) - merge_contains_scissors = 1; + s->added_cut_line = 1; } else if (!stat(git_path_squash_msg(the_repository), &statbuf)) { if (strbuf_read_file(&sb, git_path_squash_msg(the_repository), 0) < 0) die_errno(_("could not read SQUASH_MSG")); @@ -889,7 +895,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix, s->hints = 0; if (clean_message_contents) - strbuf_stripspace(&sb, '\0'); + strbuf_stripspace(&sb, NULL); if (signoff) append_signoff(&sb, ignored_log_message_bytes(sb.buf, sb.len), 0); @@ -909,24 +915,23 @@ static int prepare_to_commit(const char *index_file, const char *prefix, struct ident_split ci, ai; const char *hint_cleanup_all = allow_empty_message ? _("Please enter the commit message for your changes." - " Lines starting\nwith '%c' will be ignored.\n") : + " Lines starting\nwith '%s' will be ignored.\n") : _("Please enter the commit message for your changes." - " Lines starting\nwith '%c' will be ignored, and an empty" + " Lines starting\nwith '%s' will be ignored, and an empty" " message aborts the commit.\n"); const char *hint_cleanup_space = allow_empty_message ? _("Please enter the commit message for your changes." " Lines starting\n" - "with '%c' will be kept; you may remove them" + "with '%s' will be kept; you may remove them" " yourself if you want to.\n") : _("Please enter the commit message for your changes." " Lines starting\n" - "with '%c' will be kept; you may remove them" + "with '%s' will be kept; you may remove them" " yourself if you want to.\n" "An empty message aborts the commit.\n"); if (whence != FROM_COMMIT) { - if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS && - !merge_contains_scissors) - wt_status_add_cut_line(s->fp); + if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) + wt_status_add_cut_line(s); status_printf_ln( s, GIT_COLOR_NORMAL, whence == FROM_MERGE ? @@ -944,12 +949,12 @@ static int prepare_to_commit(const char *index_file, const char *prefix, fprintf(s->fp, "\n"); if (cleanup_mode == COMMIT_MSG_CLEANUP_ALL) - status_printf(s, GIT_COLOR_NORMAL, hint_cleanup_all, comment_line_char); + status_printf(s, GIT_COLOR_NORMAL, hint_cleanup_all, comment_line_str); else if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) { - if (whence == FROM_COMMIT && !merge_contains_scissors) - wt_status_add_cut_line(s->fp); + if (whence == FROM_COMMIT) + wt_status_add_cut_line(s); } else /* COMMIT_MSG_CLEANUP_SPACE, that is. */ - status_printf(s, GIT_COLOR_NORMAL, hint_cleanup_space, comment_line_char); + status_printf(s, GIT_COLOR_NORMAL, hint_cleanup_space, comment_line_str); /* * These should never fail because they come from our own @@ -1158,22 +1163,45 @@ static void handle_ignored_arg(struct wt_status *s) die(_("Invalid ignored mode '%s'"), ignored_arg); } -static void handle_untracked_files_arg(struct wt_status *s) +static enum untracked_status_type parse_untracked_setting_name(const char *u) { - if (!untracked_files_arg) - ; /* default already initialized */ - else if (!strcmp(untracked_files_arg, "no")) - s->show_untracked_files = SHOW_NO_UNTRACKED_FILES; - else if (!strcmp(untracked_files_arg, "normal")) - s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES; - else if (!strcmp(untracked_files_arg, "all")) - s->show_untracked_files = SHOW_ALL_UNTRACKED_FILES; /* * Please update $__git_untracked_file_modes in * git-completion.bash when you add new options */ + switch (git_parse_maybe_bool(u)) { + case 0: + u = "no"; + break; + case 1: + u = "normal"; + break; + default: + break; + } + + if (!strcmp(u, "no")) + return SHOW_NO_UNTRACKED_FILES; + else if (!strcmp(u, "normal")) + return SHOW_NORMAL_UNTRACKED_FILES; + else if (!strcmp(u, "all")) + return SHOW_ALL_UNTRACKED_FILES; else - die(_("Invalid untracked files mode '%s'"), untracked_files_arg); + return SHOW_UNTRACKED_FILES_ERROR; +} + +static void handle_untracked_files_arg(struct wt_status *s) +{ + enum untracked_status_type u; + + if (!untracked_files_arg) + return; /* default already initialized */ + + u = parse_untracked_setting_name(untracked_files_arg); + if (u == SHOW_UNTRACKED_FILES_ERROR) + die(_("Invalid untracked files mode '%s'"), + untracked_files_arg); + s->show_untracked_files = u; } static const char *read_commit_message(const char *name) @@ -1456,16 +1484,12 @@ static int git_status_config(const char *k, const char *v, return 0; } if (!strcmp(k, "status.showuntrackedfiles")) { - if (!v) - return config_error_nonbool(k); - else if (!strcmp(v, "no")) - s->show_untracked_files = SHOW_NO_UNTRACKED_FILES; - else if (!strcmp(v, "normal")) - s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES; - else if (!strcmp(v, "all")) - s->show_untracked_files = SHOW_ALL_UNTRACKED_FILES; - else + enum untracked_status_type u; + + u = parse_untracked_setting_name(v); + if (u == SHOW_UNTRACKED_FILES_ERROR) return error(_("Invalid untracked files mode '%s'"), v); + s->show_untracked_files = u; return 0; } if (!strcmp(k, "diff.renamelimit")) { diff --git a/builtin/config.c b/builtin/config.c index b55bfae7d6..0015620dde 100644 --- a/builtin/config.c +++ b/builtin/config.c @@ -44,6 +44,7 @@ static struct config_options config_options; static int show_origin; static int show_scope; static int fixed_value; +static const char *comment; #define ACTION_GET (1<<0) #define ACTION_GET_ALL (1<<1) @@ -173,6 +174,7 @@ static struct option builtin_config_options[] = { OPT_BOOL(0, "show-origin", &show_origin, N_("show origin of config (file, standard input, blob, command line)")), OPT_BOOL(0, "show-scope", &show_scope, N_("show scope of config (worktree, local, global, system, command)")), OPT_STRING(0, "default", &default_value, N_("value"), N_("with --get, use default value when missing entry")), + OPT_STRING(0, "comment", &comment, N_("value"), N_("human-readable comment string (# will be prepended as needed)")), OPT_END(), }; @@ -797,6 +799,12 @@ int cmd_config(int argc, const char **argv, const char *prefix) usage_builtin_config(); } + if (comment && + !(actions & (ACTION_ADD|ACTION_SET|ACTION_SET_ALL|ACTION_REPLACE_ALL))) { + error(_("--comment is only applicable to add/set/replace operations")); + usage_builtin_config(); + } + /* check usage of --fixed-value */ if (fixed_value) { int allowed_usage = 0; @@ -833,6 +841,8 @@ int cmd_config(int argc, const char **argv, const char *prefix) flags |= CONFIG_FLAGS_FIXED_VALUE; } + comment = git_config_prepare_comment_string(comment); + if (actions & PAGING_ACTIONS) setup_auto_pager("config", 1); @@ -880,7 +890,7 @@ int cmd_config(int argc, const char **argv, const char *prefix) check_write(); check_argc(argc, 2, 2); value = normalize_value(argv[0], argv[1], &default_kvi); - ret = git_config_set_in_file_gently(given_config_source.file, argv[0], value); + ret = git_config_set_in_file_gently(given_config_source.file, argv[0], comment, value); if (ret == CONFIG_NOTHING_SET) error(_("cannot overwrite multiple values with a single value\n" " Use a regexp, --add or --replace-all to change %s."), argv[0]); @@ -891,7 +901,7 @@ int cmd_config(int argc, const char **argv, const char *prefix) value = normalize_value(argv[0], argv[1], &default_kvi); ret = git_config_set_multivar_in_file_gently(given_config_source.file, argv[0], value, argv[2], - flags); + comment, flags); } else if (actions == ACTION_ADD) { check_write(); @@ -900,7 +910,7 @@ int cmd_config(int argc, const char **argv, const char *prefix) ret = git_config_set_multivar_in_file_gently(given_config_source.file, argv[0], value, CONFIG_REGEX_NONE, - flags); + comment, flags); } else if (actions == ACTION_REPLACE_ALL) { check_write(); @@ -908,7 +918,7 @@ int cmd_config(int argc, const char **argv, const char *prefix) value = normalize_value(argv[0], argv[1], &default_kvi); ret = git_config_set_multivar_in_file_gently(given_config_source.file, argv[0], value, argv[2], - flags | CONFIG_FLAGS_MULTI_REPLACE); + comment, flags | CONFIG_FLAGS_MULTI_REPLACE); } else if (actions == ACTION_GET) { check_argc(argc, 1, 2); @@ -936,17 +946,17 @@ int cmd_config(int argc, const char **argv, const char *prefix) if (argc == 2) return git_config_set_multivar_in_file_gently(given_config_source.file, argv[0], NULL, argv[1], - flags); + NULL, flags); else return git_config_set_in_file_gently(given_config_source.file, - argv[0], NULL); + argv[0], NULL, NULL); } else if (actions == ACTION_UNSET_ALL) { check_write(); check_argc(argc, 1, 2); return git_config_set_multivar_in_file_gently(given_config_source.file, argv[0], NULL, argv[1], - flags | CONFIG_FLAGS_MULTI_REPLACE); + NULL, flags | CONFIG_FLAGS_MULTI_REPLACE); } else if (actions == ACTION_RENAME_SECTION) { check_write(); diff --git a/builtin/credential-cache--daemon.c b/builtin/credential-cache--daemon.c index 3a6a750a8e..17f929dede 100644 --- a/builtin/credential-cache--daemon.c +++ b/builtin/credential-cache--daemon.c @@ -294,6 +294,8 @@ int cmd_credential_cache_daemon(int argc, const char **argv, const char *prefix) argc = parse_options(argc, argv, prefix, options, usage, 0); socket_path = argv[0]; + if (!have_unix_sockets()) + die(_("credential-cache--daemon unavailable; no unix socket support")); if (!socket_path) usage_with_options(usage, options); diff --git a/builtin/credential-cache.c b/builtin/credential-cache.c index bba96d4ffd..bef120b537 100644 --- a/builtin/credential-cache.c +++ b/builtin/credential-cache.c @@ -149,6 +149,9 @@ int cmd_credential_cache(int argc, const char **argv, const char *prefix) usage_with_options(usage, options); op = argv[0]; + if (!have_unix_sockets()) + die(_("credential-cache unavailable; no unix socket support")); + if (!socket_path) socket_path = get_socket_path(); if (!socket_path) diff --git a/builtin/fast-import.c b/builtin/fast-import.c index 92eda20683..782bda007c 100644 --- a/builtin/fast-import.c +++ b/builtin/fast-import.c @@ -1236,20 +1236,6 @@ static void *gfi_unpack_entry( return unpack_entry(the_repository, p, oe->idx.offset, &type, sizep); } -static const char *get_mode(const char *str, uint16_t *modep) -{ - unsigned char c; - uint16_t mode = 0; - - while ((c = *str++) != ' ') { - if (c < '0' || c > '7') - return NULL; - mode = (mode << 3) + (c - '0'); - } - *modep = mode; - return str; -} - static void load_tree(struct tree_entry *root) { struct object_id *oid = &root->versions[1].oid; @@ -1287,7 +1273,7 @@ static void load_tree(struct tree_entry *root) t->entries[t->entry_count++] = e; e->tree = NULL; - c = get_mode(c, &e->versions[1].mode); + c = parse_mode(c, &e->versions[1].mode); if (!c) die("Corrupt mode in %s", oid_to_hex(oid)); e->versions[0].mode = e->versions[1].mode; @@ -1625,6 +1611,7 @@ static int update_branch(struct branch *b) oidclr(&old_oid); if (!force_update && !is_null_oid(&old_oid)) { struct commit *old_cmit, *new_cmit; + int ret; old_cmit = lookup_commit_reference_gently(the_repository, &old_oid, 0); @@ -1633,7 +1620,10 @@ static int update_branch(struct branch *b) if (!old_cmit || !new_cmit) return error("Branch %s is missing commits.", b->name); - if (!repo_in_merge_bases(the_repository, old_cmit, new_cmit)) { + ret = repo_in_merge_bases(the_repository, old_cmit, new_cmit); + if (ret < 0) + exit(128); + if (!ret) { warning("Not updating %s" " (new tip %s does not contain %s)", b->name, oid_to_hex(&b->oid), @@ -2276,7 +2266,7 @@ static void file_change_m(const char *p, struct branch *b) struct object_id oid; uint16_t mode, inline_data = 0; - p = get_mode(p, &mode); + p = parse_mode(p, &mode); if (!p) die("Corrupt mode: %s", command_buf.buf); switch (mode) { diff --git a/builtin/fetch.c b/builtin/fetch.c index 0a7a1a3476..5857d860db 100644 --- a/builtin/fetch.c +++ b/builtin/fetch.c @@ -138,6 +138,7 @@ static int git_fetch_config(const char *k, const char *v, int r = git_config_bool(k, v) ? RECURSE_SUBMODULES_ON : RECURSE_SUBMODULES_OFF; fetch_config->recurse_submodules = r; + return 0; } if (!strcmp(k, "submodule.fetchjobs")) { @@ -981,6 +982,8 @@ static int update_local_ref(struct ref *ref, uint64_t t_before = getnanotime(); fast_forward = repo_in_merge_bases(the_repository, current, updated); + if (fast_forward < 0) + exit(128); forced_updates_ms += (getnanotime() - t_before) / 1000000; } else { fast_forward = 1; diff --git a/builtin/gc.c b/builtin/gc.c index cb80ced6cb..d187cec1ea 100644 --- a/builtin/gc.c +++ b/builtin/gc.c @@ -180,13 +180,51 @@ static void gc_config(void) git_config(git_default_config, NULL); } -struct maintenance_run_opts; +enum schedule_priority { + SCHEDULE_NONE = 0, + SCHEDULE_WEEKLY = 1, + SCHEDULE_DAILY = 2, + SCHEDULE_HOURLY = 3, +}; + +static enum schedule_priority parse_schedule(const char *value) +{ + if (!value) + return SCHEDULE_NONE; + if (!strcasecmp(value, "hourly")) + return SCHEDULE_HOURLY; + if (!strcasecmp(value, "daily")) + return SCHEDULE_DAILY; + if (!strcasecmp(value, "weekly")) + return SCHEDULE_WEEKLY; + return SCHEDULE_NONE; +} + +struct maintenance_run_opts { + int auto_flag; + int quiet; + enum schedule_priority schedule; +}; + +static int pack_refs_condition(void) +{ + /* + * The auto-repacking logic for refs is handled by the ref backends and + * exposed via `git pack-refs --auto`. We thus always return truish + * here and let the backend decide for us. + */ + return 1; +} + static int maintenance_task_pack_refs(MAYBE_UNUSED struct maintenance_run_opts *opts) { struct child_process cmd = CHILD_PROCESS_INIT; cmd.git_cmd = 1; strvec_pushl(&cmd.args, "pack-refs", "--all", "--prune", NULL); + if (opts->auto_flag) + strvec_push(&cmd.args, "--auto"); + return run_command(&cmd); } @@ -547,7 +585,7 @@ done: return ret; } -static void gc_before_repack(void) +static void gc_before_repack(struct maintenance_run_opts *opts) { /* * We may be called twice, as both the pre- and @@ -558,7 +596,7 @@ static void gc_before_repack(void) if (done++) return; - if (pack_refs && maintenance_task_pack_refs(NULL)) + if (pack_refs && maintenance_task_pack_refs(opts)) die(FAILED_RUN, "pack-refs"); if (prune_reflogs) { @@ -574,7 +612,6 @@ static void gc_before_repack(void) int cmd_gc(int argc, const char **argv, const char *prefix) { int aggressive = 0; - int auto_gc = 0; int quiet = 0; int force = 0; const char *name; @@ -583,6 +620,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix) int keep_largest_pack = -1; timestamp_t dummy; struct child_process rerere_cmd = CHILD_PROCESS_INIT; + struct maintenance_run_opts opts = {0}; struct option builtin_gc_options[] = { OPT__QUIET(&quiet, N_("suppress progress reporting")), @@ -593,7 +631,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix) OPT_MAGNITUDE(0, "max-cruft-size", &max_cruft_size, N_("with --cruft, limit the size of new cruft packs")), OPT_BOOL(0, "aggressive", &aggressive, N_("be more thorough (increased runtime)")), - OPT_BOOL_F(0, "auto", &auto_gc, N_("enable auto-gc mode"), + OPT_BOOL_F(0, "auto", &opts.auto_flag, N_("enable auto-gc mode"), PARSE_OPT_NOCOMPLETE), OPT_BOOL_F(0, "force", &force, N_("force running gc even if there may be another gc running"), @@ -638,7 +676,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix) if (quiet) strvec_push(&repack, "-q"); - if (auto_gc) { + if (opts.auto_flag) { /* * Auto-gc should be least intrusive as possible. */ @@ -663,7 +701,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix) if (lock_repo_for_gc(force, &pid)) return 0; - gc_before_repack(); /* dies on failure */ + gc_before_repack(&opts); /* dies on failure */ delete_tempfile(&pidfile); /* @@ -688,7 +726,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix) name = lock_repo_for_gc(force, &pid); if (name) { - if (auto_gc) + if (opts.auto_flag) return 0; /* be quiet on --auto */ die(_("gc is already running on machine '%s' pid %"PRIuMAX" (use --force if not)"), name, (uintmax_t)pid); @@ -703,7 +741,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix) atexit(process_log_file_at_exit); } - gc_before_repack(); + gc_before_repack(&opts); if (!repository_format_precious_objects) { struct child_process repack_cmd = CHILD_PROCESS_INIT; @@ -758,7 +796,7 @@ int cmd_gc(int argc, const char **argv, const char *prefix) !quiet && !daemonized ? COMMIT_GRAPH_WRITE_PROGRESS : 0, NULL); - if (auto_gc && too_many_loose_objects()) + if (opts.auto_flag && too_many_loose_objects()) warning(_("There are too many unreachable loose objects; " "run 'git prune' to remove them.")); @@ -773,26 +811,6 @@ static const char *const builtin_maintenance_run_usage[] = { NULL }; -enum schedule_priority { - SCHEDULE_NONE = 0, - SCHEDULE_WEEKLY = 1, - SCHEDULE_DAILY = 2, - SCHEDULE_HOURLY = 3, -}; - -static enum schedule_priority parse_schedule(const char *value) -{ - if (!value) - return SCHEDULE_NONE; - if (!strcasecmp(value, "hourly")) - return SCHEDULE_HOURLY; - if (!strcasecmp(value, "daily")) - return SCHEDULE_DAILY; - if (!strcasecmp(value, "weekly")) - return SCHEDULE_WEEKLY; - return SCHEDULE_NONE; -} - static int maintenance_opt_schedule(const struct option *opt, const char *arg, int unset) { @@ -809,12 +827,6 @@ static int maintenance_opt_schedule(const struct option *opt, const char *arg, return 0; } -struct maintenance_run_opts { - int auto_flag; - int quiet; - enum schedule_priority schedule; -}; - /* Remember to update object flag allocation in object.h */ #define SEEN (1u<<0) @@ -1296,7 +1308,7 @@ static struct maintenance_task tasks[] = { [TASK_PACK_REFS] = { "pack-refs", maintenance_task_pack_refs, - NULL, + pack_refs_condition, }, }; @@ -1553,7 +1565,7 @@ static int maintenance_register(int argc, const char **argv, const char *prefix) die(_("$HOME not set")); rc = git_config_set_multivar_in_file_gently( config_file, "maintenance.repo", maintpath, - CONFIG_REGEX_NONE, 0); + CONFIG_REGEX_NONE, NULL, 0); free(global_config_file); if (rc) @@ -1620,7 +1632,7 @@ static int maintenance_unregister(int argc, const char **argv, const char *prefi if (!config_file) die(_("$HOME not set")); rc = git_config_set_multivar_in_file_gently( - config_file, key, NULL, maintpath, + config_file, key, NULL, maintpath, NULL, CONFIG_FLAGS_MULTI_REPLACE | CONFIG_FLAGS_FIXED_VALUE); free(global_config_file); diff --git a/builtin/grep.c b/builtin/grep.c index 982bcfc4b1..5777ba82a9 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -527,7 +527,7 @@ static int grep_submodule(struct grep_opt *opt, strbuf_addstr(&base, filename); strbuf_addch(&base, '/'); - init_tree_desc(&tree, data, size); + init_tree_desc(&tree, oid, data, size); hit = grep_tree(&subopt, pathspec, &tree, &base, base.len, object_type == OBJ_COMMIT); strbuf_release(&base); @@ -573,7 +573,7 @@ static int grep_cache(struct grep_opt *opt, &type, &size); if (!data) die(_("unable to read tree %s"), oid_to_hex(&ce->oid)); - init_tree_desc(&tree, data, size); + init_tree_desc(&tree, &ce->oid, data, size); hit |= grep_tree(opt, pathspec, &tree, &name, 0, 0); strbuf_setlen(&name, name_base_len); @@ -669,7 +669,7 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, oid_to_hex(&entry.oid)); strbuf_addch(base, '/'); - init_tree_desc(&sub, data, size); + init_tree_desc(&sub, &entry.oid, data, size); hit |= grep_tree(opt, pathspec, &sub, base, tn_len, check_attr); free(data); @@ -713,7 +713,7 @@ static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, strbuf_add(&base, name, len); strbuf_addch(&base, ':'); } - init_tree_desc(&tree, data, size); + init_tree_desc(&tree, &obj->oid, data, size); hit = grep_tree(opt, pathspec, &tree, &base, base.len, obj->type == OBJ_COMMIT); strbuf_release(&base); diff --git a/builtin/index-pack.c b/builtin/index-pack.c index a3a37bd215..856428fef9 100644 --- a/builtin/index-pack.c +++ b/builtin/index-pack.c @@ -1524,14 +1524,12 @@ static void final(const char *final_pack_name, const char *curr_pack_name, struct strbuf pack_name = STRBUF_INIT; struct strbuf index_name = STRBUF_INIT; struct strbuf rev_index_name = STRBUF_INIT; - int err; if (!from_stdin) { close(input_fd); } else { fsync_component_or_die(FSYNC_COMPONENT_PACK, output_fd, curr_pack_name); - err = close(output_fd); - if (err) + if (close(output_fd)) die_errno(_("error while closing pack file")); } @@ -1566,17 +1564,8 @@ static void final(const char *final_pack_name, const char *curr_pack_name, write_or_die(1, buf.buf, buf.len); strbuf_release(&buf); - /* - * Let's just mimic git-unpack-objects here and write - * the last part of the input buffer to stdout. - */ - while (input_len) { - err = xwrite(1, input_buffer + input_offset, input_len); - if (err <= 0) - break; - input_len -= err; - input_offset += err; - } + /* Write the last part of the buffer to stdout */ + write_in_full(1, input_buffer + input_offset, input_len); } strbuf_release(&rev_index_name); diff --git a/builtin/interpret-trailers.c b/builtin/interpret-trailers.c index 033bd1556c..8768bfea3c 100644 --- a/builtin/interpret-trailers.c +++ b/builtin/interpret-trailers.c @@ -9,12 +9,13 @@ #include "gettext.h" #include "parse-options.h" #include "string-list.h" +#include "tempfile.h" #include "trailer.h" #include "config.h" static const char * const git_interpret_trailers_usage[] = { N_("git interpret-trailers [--in-place] [--trim-empty]\n" - " [(--trailer (<key>|<keyAlias>)[(=|:)<value>])...]\n" + " [(--trailer (<key>|<key-alias>)[(=|:)<value>])...]\n" " [--parse] [<file>...]"), NULL }; @@ -91,6 +92,102 @@ static int parse_opt_parse(const struct option *opt, const char *arg, return 0; } +static struct tempfile *trailers_tempfile; + +static FILE *create_in_place_tempfile(const char *file) +{ + struct stat st; + struct strbuf filename_template = STRBUF_INIT; + const char *tail; + FILE *outfile; + + if (stat(file, &st)) + die_errno(_("could not stat %s"), file); + if (!S_ISREG(st.st_mode)) + die(_("file %s is not a regular file"), file); + if (!(st.st_mode & S_IWUSR)) + die(_("file %s is not writable by user"), file); + + /* Create temporary file in the same directory as the original */ + tail = strrchr(file, '/'); + if (tail) + strbuf_add(&filename_template, file, tail - file + 1); + strbuf_addstr(&filename_template, "git-interpret-trailers-XXXXXX"); + + trailers_tempfile = xmks_tempfile_m(filename_template.buf, st.st_mode); + strbuf_release(&filename_template); + outfile = fdopen_tempfile(trailers_tempfile, "w"); + if (!outfile) + die_errno(_("could not open temporary file")); + + return outfile; +} + +static void read_input_file(struct strbuf *sb, const char *file) +{ + if (file) { + if (strbuf_read_file(sb, file, 0) < 0) + die_errno(_("could not read input file '%s'"), file); + } else { + if (strbuf_read(sb, fileno(stdin), 0) < 0) + die_errno(_("could not read from stdin")); + } +} + +static void interpret_trailers(const struct process_trailer_options *opts, + struct list_head *new_trailer_head, + const char *file) +{ + LIST_HEAD(head); + struct strbuf sb = STRBUF_INIT; + struct strbuf trailer_block = STRBUF_INIT; + struct trailer_info info; + FILE *outfile = stdout; + + trailer_config_init(); + + read_input_file(&sb, file); + + if (opts->in_place) + outfile = create_in_place_tempfile(file); + + parse_trailers(opts, &info, sb.buf, &head); + + /* Print the lines before the trailers */ + if (!opts->only_trailers) + fwrite(sb.buf, 1, info.trailer_block_start, outfile); + + if (!opts->only_trailers && !info.blank_line_before_trailer) + fprintf(outfile, "\n"); + + + if (!opts->only_input) { + LIST_HEAD(config_head); + LIST_HEAD(arg_head); + parse_trailers_from_config(&config_head); + parse_trailers_from_command_line_args(&arg_head, new_trailer_head); + list_splice(&config_head, &arg_head); + process_trailers_lists(&head, &arg_head); + } + + /* Print trailer block. */ + format_trailers(opts, &head, &trailer_block); + free_trailers(&head); + fwrite(trailer_block.buf, 1, trailer_block.len, outfile); + strbuf_release(&trailer_block); + + /* Print the lines after the trailers as is */ + if (!opts->only_trailers) + fwrite(sb.buf + info.trailer_block_end, 1, sb.len - info.trailer_block_end, outfile); + trailer_info_release(&info); + + if (opts->in_place) + if (rename_tempfile(&trailers_tempfile, file)) + die_errno(_("could not rename temporary file to %s"), file); + + strbuf_release(&sb); +} + int cmd_interpret_trailers(int argc, const char **argv, const char *prefix) { struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT; @@ -132,11 +229,11 @@ int cmd_interpret_trailers(int argc, const char **argv, const char *prefix) if (argc) { int i; for (i = 0; i < argc; i++) - process_trailers(argv[i], &opts, &trailers); + interpret_trailers(&opts, &trailers, argv[i]); } else { if (opts.in_place) die(_("no input file given for in-place editing")); - process_trailers(NULL, &opts, &trailers); + interpret_trailers(&opts, &trailers, NULL); } new_trailers_clear(&trailers); diff --git a/builtin/log.c b/builtin/log.c index db1808d7c1..c0a8bb95e9 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -1297,7 +1297,7 @@ static void prepare_cover_text(struct pretty_print_context *pp, subject = subject_sb.buf; do_pp: - pp_title_line(pp, &subject, sb, encoding, need_8bit_cte); + pp_email_subject(pp, &subject, sb, encoding, need_8bit_cte); pp_remainder(pp, &body, sb, 0); strbuf_release(&description_sb); @@ -1364,13 +1364,13 @@ static void make_cover_letter(struct rev_info *rev, int use_separate_file, pp.fmt = CMIT_FMT_EMAIL; pp.date_mode.type = DATE_RFC2822; pp.rev = rev; - pp.print_email_subject = 1; pp.encode_email_headers = rev->encode_email_headers; pp_user_info(&pp, NULL, &sb, committer, encoding); prepare_cover_text(&pp, description_file, branch_name, &sb, encoding, need_8bit_cte); fprintf(rev->diffopt.file, "%s\n", sb.buf); + free(pp.after_subject); strbuf_release(&sb); shortlog_init(&log); @@ -1625,7 +1625,7 @@ static struct commit *get_base_commit(const char *base_commit, { struct commit *base = NULL; struct commit **rev; - int i = 0, rev_nr = 0, auto_select, die_on_failure; + int i = 0, rev_nr = 0, auto_select, die_on_failure, ret; switch (auto_base) { case AUTO_BASE_NEVER: @@ -1658,7 +1658,7 @@ static struct commit *get_base_commit(const char *base_commit, struct branch *curr_branch = branch_get(NULL); const char *upstream = branch_get_upstream(curr_branch, NULL); if (upstream) { - struct commit_list *base_list; + struct commit_list *base_list = NULL; struct commit *commit; struct object_id oid; @@ -1669,11 +1669,12 @@ static struct commit *get_base_commit(const char *base_commit, return NULL; } commit = lookup_commit_or_die(&oid, "upstream base"); - base_list = repo_get_merge_bases_many(the_repository, - commit, total, - list); - /* There should be one and only one merge base. */ - if (!base_list || base_list->next) { + if (repo_get_merge_bases_many(the_repository, + commit, total, + list, + &base_list) < 0 || + /* There should be one and only one merge base. */ + !base_list || base_list->next) { if (die_on_failure) { die(_("could not find exact merge base")); } else { @@ -1704,11 +1705,11 @@ static struct commit *get_base_commit(const char *base_commit, */ while (rev_nr > 1) { for (i = 0; i < rev_nr / 2; i++) { - struct commit_list *merge_base; - merge_base = repo_get_merge_bases(the_repository, - rev[2 * i], - rev[2 * i + 1]); - if (!merge_base || merge_base->next) { + struct commit_list *merge_base = NULL; + if (repo_get_merge_bases(the_repository, + rev[2 * i], + rev[2 * i + 1], &merge_base) < 0 || + !merge_base || merge_base->next) { if (die_on_failure) { die(_("failed to find exact merge base")); } else { @@ -1725,7 +1726,10 @@ static struct commit *get_base_commit(const char *base_commit, rev_nr = DIV_ROUND_UP(rev_nr, 2); } - if (!repo_in_merge_bases(the_repository, base, rev[0])) { + ret = repo_in_merge_bases(the_repository, base, rev[0]); + if (ret < 0) + exit(128); + if (!ret) { if (die_on_failure) { die(_("base commit should be the ancestor of revision list")); } else { diff --git a/builtin/ls-files.c b/builtin/ls-files.c index 92f94e65bf..6eeb5cba78 100644 --- a/builtin/ls-files.c +++ b/builtin/ls-files.c @@ -266,7 +266,6 @@ static void show_ce_fmt(struct repository *repo, const struct cache_entry *ce, struct strbuf sb = STRBUF_INIT; while (strbuf_expand_step(&sb, &format)) { - const char *end; size_t len; struct stat st; @@ -274,12 +273,6 @@ static void show_ce_fmt(struct repository *repo, const struct cache_entry *ce, strbuf_addch(&sb, '%'); else if ((len = strbuf_expand_literal(&sb, format))) format += len; - else if (*format != '(') - die(_("bad ls-files format: element '%s' " - "does not start with '('"), format); - else if (!(end = strchr(format + 1, ')'))) - die(_("bad ls-files format: element '%s' " - "does not end in ')'"), format); else if (skip_prefix(format, "(objectmode)", &format)) strbuf_addf(&sb, "%06o", ce->ce_mode); else if (skip_prefix(format, "(objectname)", &format)) @@ -308,8 +301,7 @@ static void show_ce_fmt(struct repository *repo, const struct cache_entry *ce, else if (skip_prefix(format, "(path)", &format)) write_name_to_buf(&sb, fullname); else - die(_("bad ls-files format: %%%.*s"), - (int)(end - format + 1), format); + strbuf_expand_bad_format(format, "ls-files"); } strbuf_addch(&sb, line_terminator); fwrite(sb.buf, sb.len, 1, stdout); diff --git a/builtin/ls-tree.c b/builtin/ls-tree.c index e4a891337c..7bf84b235c 100644 --- a/builtin/ls-tree.c +++ b/builtin/ls-tree.c @@ -100,19 +100,12 @@ static int show_tree_fmt(const struct object_id *oid, struct strbuf *base, return 0; while (strbuf_expand_step(&sb, &format)) { - const char *end; size_t len; if (skip_prefix(format, "%", &format)) strbuf_addch(&sb, '%'); else if ((len = strbuf_expand_literal(&sb, format))) format += len; - else if (*format != '(') - die(_("bad ls-tree format: element '%s' " - "does not start with '('"), format); - else if (!(end = strchr(format + 1, ')'))) - die(_("bad ls-tree format: element '%s' " - "does not end in ')'"), format); else if (skip_prefix(format, "(objectmode)", &format)) strbuf_addf(&sb, "%06o", mode); else if (skip_prefix(format, "(objecttype)", &format)) @@ -135,8 +128,7 @@ static int show_tree_fmt(const struct object_id *oid, struct strbuf *base, strbuf_setlen(base, baselen); strbuf_release(&sbuf); } else - die(_("bad ls-tree format: %%%.*s"), - (int)(end - format + 1), format); + strbuf_expand_bad_format(format, "ls-tree"); } strbuf_addch(&sb, options->null_termination ? '\0' : '\n'); fwrite(sb.buf, sb.len, 1, stdout); @@ -375,6 +367,7 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix) OPT_END() }; struct ls_tree_cmdmode_to_fmt *m2f = ls_tree_cmdmode_format; + struct object_context obj_context; int ret; git_config(git_default_config, NULL); @@ -406,7 +399,9 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix) ls_tree_usage, ls_tree_options); if (argc < 1) usage_with_options(ls_tree_usage, ls_tree_options); - if (repo_get_oid(the_repository, argv[0], &oid)) + if (get_oid_with_context(the_repository, argv[0], + GET_OID_HASH_ANY, &oid, + &obj_context)) die("Not a valid object name %s", argv[0]); /* diff --git a/builtin/merge-base.c b/builtin/merge-base.c index d26e8fbf6f..5a8e729502 100644 --- a/builtin/merge-base.c +++ b/builtin/merge-base.c @@ -10,10 +10,13 @@ static int show_merge_base(struct commit **rev, int rev_nr, int show_all) { - struct commit_list *result, *r; + struct commit_list *result = NULL, *r; - result = repo_get_merge_bases_many_dirty(the_repository, rev[0], - rev_nr - 1, rev + 1); + if (repo_get_merge_bases_many_dirty(the_repository, rev[0], + rev_nr - 1, rev + 1, &result) < 0) { + free_commit_list(result); + return -1; + } if (!result) return 1; @@ -74,13 +77,17 @@ static int handle_independent(int count, const char **args) static int handle_octopus(int count, const char **args, int show_all) { struct commit_list *revs = NULL; - struct commit_list *result, *rev; + struct commit_list *result = NULL, *rev; int i; for (i = count - 1; i >= 0; i--) commit_list_insert(get_commit_reference(args[i]), &revs); - result = get_octopus_merge_bases(revs); + if (get_octopus_merge_bases(revs, &result) < 0) { + free_commit_list(revs); + free_commit_list(result); + return 128; + } free_commit_list(revs); reduce_heads_replace(&result); @@ -100,12 +107,16 @@ static int handle_octopus(int count, const char **args, int show_all) static int handle_is_ancestor(int argc, const char **argv) { struct commit *one, *two; + int ret; if (argc != 2) die("--is-ancestor takes exactly two commits"); one = get_commit_reference(argv[0]); two = get_commit_reference(argv[1]); - if (repo_in_merge_bases(the_repository, one, two)) + ret = repo_in_merge_bases(the_repository, one, two); + if (ret < 0) + exit(128); + if (ret) return 0; else return 1; diff --git a/builtin/merge-tree.c b/builtin/merge-tree.c index 3bdec53fbe..8bdb439131 100644 --- a/builtin/merge-tree.c +++ b/builtin/merge-tree.c @@ -429,41 +429,56 @@ static int real_merge(struct merge_tree_options *o, struct merge_options opt; copy_merge_options(&opt, &o->merge_options); - parent1 = get_merge_parent(branch1); - if (!parent1) - help_unknown_ref(branch1, "merge-tree", - _("not something we can merge")); - - parent2 = get_merge_parent(branch2); - if (!parent2) - help_unknown_ref(branch2, "merge-tree", - _("not something we can merge")); - opt.show_rename_progress = 0; opt.branch1 = branch1; opt.branch2 = branch2; if (merge_base) { - struct commit *base_commit; struct tree *base_tree, *parent1_tree, *parent2_tree; - base_commit = lookup_commit_reference_by_name(merge_base); - if (!base_commit) - die(_("could not lookup commit '%s'"), merge_base); + /* + * We actually only need the trees because we already + * have a merge base. + */ + struct object_id base_oid, head_oid, merge_oid; + + if (repo_get_oid_treeish(the_repository, merge_base, &base_oid)) + die(_("could not parse as tree '%s'"), merge_base); + base_tree = parse_tree_indirect(&base_oid); + if (!base_tree) + die(_("unable to read tree (%s)"), oid_to_hex(&base_oid)); + if (repo_get_oid_treeish(the_repository, branch1, &head_oid)) + die(_("could not parse as tree '%s'"), branch1); + parent1_tree = parse_tree_indirect(&head_oid); + if (!parent1_tree) + die(_("unable to read tree (%s)"), oid_to_hex(&head_oid)); + if (repo_get_oid_treeish(the_repository, branch2, &merge_oid)) + die(_("could not parse as tree '%s'"), branch2); + parent2_tree = parse_tree_indirect(&merge_oid); + if (!parent2_tree) + die(_("unable to read tree (%s)"), oid_to_hex(&merge_oid)); opt.ancestor = merge_base; - base_tree = repo_get_commit_tree(the_repository, base_commit); - parent1_tree = repo_get_commit_tree(the_repository, parent1); - parent2_tree = repo_get_commit_tree(the_repository, parent2); merge_incore_nonrecursive(&opt, base_tree, parent1_tree, parent2_tree, &result); } else { + parent1 = get_merge_parent(branch1); + if (!parent1) + help_unknown_ref(branch1, "merge-tree", + _("not something we can merge")); + + parent2 = get_merge_parent(branch2); + if (!parent2) + help_unknown_ref(branch2, "merge-tree", + _("not something we can merge")); + /* * Get the merge bases, in reverse order; see comment above * merge_incore_recursive in merge-ort.h */ - merge_bases = repo_get_merge_bases(the_repository, parent1, - parent2); + if (repo_get_merge_bases(the_repository, parent1, + parent2, &merge_bases) < 0) + exit(128); if (!merge_bases && !o->allow_unrelated_histories) die(_("refusing to merge unrelated histories")); merge_bases = reverse_commit_list(merge_bases); @@ -548,7 +563,7 @@ int cmd_merge_tree(int argc, const char **argv, const char *prefix) PARSE_OPT_NONEG), OPT_STRING(0, "merge-base", &merge_base, - N_("commit"), + N_("tree-ish"), N_("specify a merge-base for the merge")), OPT_STRVEC('X', "strategy-option", &xopts, N_("option=value"), N_("option for selected merge strategy")), diff --git a/builtin/merge.c b/builtin/merge.c index 935c8a57dd..6f4fec87fc 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -677,7 +677,8 @@ static int read_tree_trivial(struct object_id *common, struct object_id *head, cache_tree_free(&the_index.cache_tree); for (i = 0; i < nr_trees; i++) { parse_tree(trees[i]); - init_tree_desc(t+i, trees[i]->buffer, trees[i]->size); + init_tree_desc(t+i, &trees[i]->object.oid, + trees[i]->buffer, trees[i]->size); } if (unpack_trees(nr_trees, t, &opts)) return -1; @@ -821,7 +822,7 @@ static const char scissors_editor_comment[] = N_("An empty message aborts the commit.\n"); static const char no_scissors_editor_comment[] = -N_("Lines starting with '%c' will be ignored, and an empty message aborts\n" +N_("Lines starting with '%s' will be ignored, and an empty message aborts\n" "the commit.\n"); static void write_merge_heads(struct commit_list *); @@ -852,16 +853,16 @@ static void prepare_to_commit(struct commit_list *remoteheads) strbuf_addch(&msg, '\n'); if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) { wt_status_append_cut_line(&msg); - strbuf_commented_addf(&msg, comment_line_char, "\n"); + strbuf_commented_addf(&msg, comment_line_str, "\n"); } - strbuf_commented_addf(&msg, comment_line_char, + strbuf_commented_addf(&msg, comment_line_str, _(merge_editor_comment)); if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) - strbuf_commented_addf(&msg, comment_line_char, + strbuf_commented_addf(&msg, comment_line_str, _(scissors_editor_comment)); else - strbuf_commented_addf(&msg, comment_line_char, - _(no_scissors_editor_comment), comment_line_char); + strbuf_commented_addf(&msg, comment_line_str, + _(no_scissors_editor_comment), comment_line_str); } if (signoff) append_signoff(&msg, ignored_log_message_bytes(msg.buf, msg.len), 0); @@ -1513,13 +1514,20 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (!remoteheads) ; /* already up-to-date */ - else if (!remoteheads->next) - common = repo_get_merge_bases(the_repository, head_commit, - remoteheads->item); - else { + else if (!remoteheads->next) { + if (repo_get_merge_bases(the_repository, head_commit, + remoteheads->item, &common) < 0) { + ret = 2; + goto done; + } + } else { struct commit_list *list = remoteheads; commit_list_insert(head_commit, &list); - common = get_octopus_merge_bases(list); + if (get_octopus_merge_bases(list, &common) < 0) { + free(list); + ret = 2; + goto done; + } free(list); } @@ -1626,7 +1634,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) struct commit_list *j; for (j = remoteheads; j; j = j->next) { - struct commit_list *common_one; + struct commit_list *common_one = NULL; struct commit *common_item; /* @@ -1634,9 +1642,10 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * merge_bases again, otherwise "git merge HEAD^ * HEAD^^" would be missed. */ - common_one = repo_get_merge_bases(the_repository, - head_commit, - j->item); + if (repo_get_merge_bases(the_repository, head_commit, + j->item, &common_one) < 0) + exit(128); + common_item = common_one->item; free_commit_list(common_one); if (!oideq(&common_item->object.oid, &j->item->object.oid)) { diff --git a/builtin/notes.c b/builtin/notes.c index caf20fd5bd..cb011303e6 100644 --- a/builtin/notes.c +++ b/builtin/notes.c @@ -179,7 +179,7 @@ static void write_commented_object(int fd, const struct object_id *object) if (strbuf_read(&buf, show.out, 0) < 0) die_errno(_("could not read 'show' output")); - strbuf_add_commented_lines(&cbuf, buf.buf, buf.len, comment_line_char); + strbuf_add_commented_lines(&cbuf, buf.buf, buf.len, comment_line_str); write_or_die(fd, cbuf.buf, cbuf.len); strbuf_release(&cbuf); @@ -207,10 +207,10 @@ static void prepare_note_data(const struct object_id *object, struct note_data * copy_obj_to_fd(fd, old_note); strbuf_addch(&buf, '\n'); - strbuf_add_commented_lines(&buf, "\n", strlen("\n"), comment_line_char); + strbuf_add_commented_lines(&buf, "\n", strlen("\n"), comment_line_str); strbuf_add_commented_lines(&buf, _(note_template), strlen(_(note_template)), - comment_line_char); - strbuf_add_commented_lines(&buf, "\n", strlen("\n"), comment_line_char); + comment_line_str); + strbuf_add_commented_lines(&buf, "\n", strlen("\n"), comment_line_str); write_or_die(fd, buf.buf, buf.len); write_commented_object(fd, object); @@ -223,7 +223,7 @@ static void prepare_note_data(const struct object_id *object, struct note_data * die(_("please supply the note contents using either -m or -F option")); } if (d->stripspace) - strbuf_stripspace(&d->buf, comment_line_char); + strbuf_stripspace(&d->buf, comment_line_str); } } @@ -264,7 +264,7 @@ static void concat_messages(struct note_data *d) if ((d->stripspace == UNSPECIFIED && d->messages[i]->stripspace == STRIPSPACE) || d->stripspace == STRIPSPACE) - strbuf_stripspace(&d->buf, 0); + strbuf_stripspace(&d->buf, NULL); strbuf_reset(&msg); } strbuf_release(&msg); diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c index 329aeac804..baf0090fc8 100644 --- a/builtin/pack-objects.c +++ b/builtin/pack-objects.c @@ -1826,7 +1826,8 @@ static void add_pbase_object(struct tree_desc *tree, tree = pbase_tree_get(&entry.oid); if (!tree) return; - init_tree_desc(&sub, tree->tree_data, tree->tree_size); + init_tree_desc(&sub, &tree->oid, + tree->tree_data, tree->tree_size); add_pbase_object(&sub, down, downlen, fullname); pbase_tree_put(tree); @@ -1886,7 +1887,8 @@ static void add_preferred_base_object(const char *name) } else { struct tree_desc tree; - init_tree_desc(&tree, it->pcache.tree_data, it->pcache.tree_size); + init_tree_desc(&tree, &it->pcache.oid, + it->pcache.tree_data, it->pcache.tree_size); add_pbase_object(&tree, name, cmplen, name); } } diff --git a/builtin/pack-refs.c b/builtin/pack-refs.c index bcf383cac9..db40825666 100644 --- a/builtin/pack-refs.c +++ b/builtin/pack-refs.c @@ -7,24 +7,28 @@ #include "revision.h" static char const * const pack_refs_usage[] = { - N_("git pack-refs [--all] [--no-prune] [--include <pattern>] [--exclude <pattern>]"), + N_("git pack-refs [--all] [--no-prune] [--auto] [--include <pattern>] [--exclude <pattern>]"), NULL }; int cmd_pack_refs(int argc, const char **argv, const char *prefix) { - unsigned int flags = PACK_REFS_PRUNE; - static struct ref_exclusions excludes = REF_EXCLUSIONS_INIT; - static struct string_list included_refs = STRING_LIST_INIT_NODUP; - struct pack_refs_opts pack_refs_opts = { .exclusions = &excludes, - .includes = &included_refs, - .flags = flags }; - static struct string_list option_excluded_refs = STRING_LIST_INIT_NODUP; + struct ref_exclusions excludes = REF_EXCLUSIONS_INIT; + struct string_list included_refs = STRING_LIST_INIT_NODUP; + struct pack_refs_opts pack_refs_opts = { + .exclusions = &excludes, + .includes = &included_refs, + .flags = PACK_REFS_PRUNE, + }; + struct string_list option_excluded_refs = STRING_LIST_INIT_NODUP; struct string_list_item *item; + int pack_all = 0; + int ret; struct option opts[] = { - OPT_BIT(0, "all", &pack_refs_opts.flags, N_("pack everything"), PACK_REFS_ALL), + OPT_BOOL(0, "all", &pack_all, N_("pack everything")), OPT_BIT(0, "prune", &pack_refs_opts.flags, N_("prune loose refs (default)"), PACK_REFS_PRUNE), + OPT_BIT(0, "auto", &pack_refs_opts.flags, N_("auto-pack refs as needed"), PACK_REFS_AUTO), OPT_STRING_LIST(0, "include", pack_refs_opts.includes, N_("pattern"), N_("references to include")), OPT_STRING_LIST(0, "exclude", &option_excluded_refs, N_("pattern"), @@ -38,11 +42,16 @@ int cmd_pack_refs(int argc, const char **argv, const char *prefix) for_each_string_list_item(item, &option_excluded_refs) add_ref_exclusion(pack_refs_opts.exclusions, item->string); - if (pack_refs_opts.flags & PACK_REFS_ALL) + if (pack_all) string_list_append(pack_refs_opts.includes, "*"); if (!pack_refs_opts.includes->nr) string_list_append(pack_refs_opts.includes, "refs/tags/*"); - return refs_pack_refs(get_main_ref_store(the_repository), &pack_refs_opts); + ret = refs_pack_refs(get_main_ref_store(the_repository), &pack_refs_opts); + + clear_ref_exclusions(&excludes); + string_list_clear(&included_refs, 0); + string_list_clear(&option_excluded_refs, 0); + return ret; } diff --git a/builtin/pull.c b/builtin/pull.c index 73a68b75b0..72cbb76d52 100644 --- a/builtin/pull.c +++ b/builtin/pull.c @@ -815,7 +815,7 @@ static int get_octopus_merge_base(struct object_id *merge_base, const struct object_id *merge_head, const struct object_id *fork_point) { - struct commit_list *revs = NULL, *result; + struct commit_list *revs = NULL, *result = NULL; commit_list_insert(lookup_commit_reference(the_repository, curr_head), &revs); @@ -825,7 +825,8 @@ static int get_octopus_merge_base(struct object_id *merge_base, commit_list_insert(lookup_commit_reference(the_repository, fork_point), &revs); - result = get_octopus_merge_bases(revs); + if (get_octopus_merge_bases(revs, &result) < 0) + exit(128); free_commit_list(revs); reduce_heads_replace(&result); @@ -926,6 +927,8 @@ static int get_can_ff(struct object_id *orig_head, merge_head = lookup_commit_reference(the_repository, orig_merge_head); ret = repo_is_descendant_of(the_repository, merge_head, list); free_commit_list(list); + if (ret < 0) + exit(128); return ret; } @@ -950,6 +953,8 @@ static int already_up_to_date(struct object_id *orig_head, commit_list_insert(theirs, &list); ok = repo_is_descendant_of(the_repository, ours, list); free_commit_list(list); + if (ok < 0) + exit(128); if (!ok) return 0; } diff --git a/builtin/read-tree.c b/builtin/read-tree.c index 20e7db1973..6f89cec0fb 100644 --- a/builtin/read-tree.c +++ b/builtin/read-tree.c @@ -261,8 +261,9 @@ int cmd_read_tree(int argc, const char **argv, const char *cmd_prefix) cache_tree_free(&the_index.cache_tree); for (i = 0; i < nr_trees; i++) { struct tree *tree = trees[i]; - parse_tree(tree); - init_tree_desc(t+i, tree->buffer, tree->size); + if (parse_tree(tree) < 0) + return 128; + init_tree_desc(t+i, &tree->object.oid, tree->buffer, tree->size); } if (unpack_trees(nr_trees, t, &opts)) return 128; diff --git a/builtin/rebase.c b/builtin/rebase.c index 6ead9465a4..891f28468e 100644 --- a/builtin/rebase.c +++ b/builtin/rebase.c @@ -58,7 +58,7 @@ enum empty_type { EMPTY_UNSPECIFIED = -1, EMPTY_DROP, EMPTY_KEEP, - EMPTY_ASK + EMPTY_STOP }; enum action { @@ -204,7 +204,7 @@ static int edit_todo_file(unsigned flags) if (strbuf_read_file(&todo_list.buf, todo_file, 0) < 0) return error_errno(_("could not read '%s'."), todo_file); - strbuf_stripspace(&todo_list.buf, comment_line_char); + strbuf_stripspace(&todo_list.buf, comment_line_str); res = edit_todo_list(the_repository, &todo_list, &new_todo, NULL, NULL, flags); if (!res && todo_list_write_to_file(the_repository, &new_todo, todo_file, NULL, NULL, -1, flags & ~(TODO_LIST_SHORTEN_IDS))) @@ -567,13 +567,6 @@ static int move_to_original_branch(struct rebase_options *opts) return ret; } -static const char *resolvemsg = -N_("Resolve all conflicts manually, mark them as resolved with\n" -"\"git add/rm <conflicted_files>\", then run \"git rebase --continue\".\n" -"You can instead skip this commit: run \"git rebase --skip\".\n" -"To abort and get back to the state before \"git rebase\", run " -"\"git rebase --abort\"."); - static int run_am(struct rebase_options *opts) { struct child_process am = CHILD_PROCESS_INIT; @@ -587,7 +580,7 @@ static int run_am(struct rebase_options *opts) opts->reflog_action); if (opts->action == ACTION_CONTINUE) { strvec_push(&am.args, "--resolved"); - strvec_pushf(&am.args, "--resolvemsg=%s", resolvemsg); + strvec_pushf(&am.args, "--resolvemsg=%s", rebase_resolvemsg); if (opts->gpg_sign_opt) strvec_push(&am.args, opts->gpg_sign_opt); status = run_command(&am); @@ -598,7 +591,7 @@ static int run_am(struct rebase_options *opts) } if (opts->action == ACTION_SKIP) { strvec_push(&am.args, "--skip"); - strvec_pushf(&am.args, "--resolvemsg=%s", resolvemsg); + strvec_pushf(&am.args, "--resolvemsg=%s", rebase_resolvemsg); status = run_command(&am); if (status) return status; @@ -617,7 +610,7 @@ static int run_am(struct rebase_options *opts) status = error_errno(_("could not open '%s' for writing"), rebased_patches); free(rebased_patches); - strvec_clear(&am.args); + child_process_clear(&am); return status; } @@ -645,7 +638,7 @@ static int run_am(struct rebase_options *opts) struct reset_head_opts ropts = { 0 }; unlink(rebased_patches); free(rebased_patches); - strvec_clear(&am.args); + child_process_clear(&am); ropts.oid = &opts->orig_head->object.oid; ropts.branch = opts->head_name; @@ -666,13 +659,13 @@ static int run_am(struct rebase_options *opts) status = error_errno(_("could not open '%s' for reading"), rebased_patches); free(rebased_patches); - strvec_clear(&am.args); + child_process_clear(&am); return status; } strvec_pushv(&am.args, opts->git_am_opts.v); strvec_push(&am.args, "--rebasing"); - strvec_pushf(&am.args, "--resolvemsg=%s", resolvemsg); + strvec_pushf(&am.args, "--resolvemsg=%s", rebase_resolvemsg); strvec_push(&am.args, "--patch-format=mboxrd"); if (opts->allow_rerere_autoupdate == RERERE_AUTOUPDATE) strvec_push(&am.args, "--rerere-autoupdate"); @@ -700,7 +693,6 @@ static int run_specific_rebase(struct rebase_options *opts) if (opts->type == REBASE_MERGE) { /* Run sequencer-based rebase */ - setenv("GIT_CHERRY_PICK_HELP", resolvemsg, 1); if (!(opts->flags & REBASE_INTERACTIVE_EXPLICIT)) setenv("GIT_SEQUENCE_EDITOR", ":", 1); if (opts->gpg_sign_opt) { @@ -867,7 +859,8 @@ static int can_fast_forward(struct commit *onto, struct commit *upstream, if (!upstream) goto done; - merge_bases = repo_get_merge_bases(the_repository, upstream, head); + if (repo_get_merge_bases(the_repository, upstream, head, &merge_bases) < 0) + exit(128); if (!merge_bases || merge_bases->next) goto done; @@ -886,8 +879,9 @@ static void fill_branch_base(struct rebase_options *options, { struct commit_list *merge_bases = NULL; - merge_bases = repo_get_merge_bases(the_repository, options->onto, - options->orig_head); + if (repo_get_merge_bases(the_repository, options->onto, + options->orig_head, &merge_bases) < 0) + exit(128); if (!merge_bases || merge_bases->next) oidcpy(branch_base, null_oid()); else @@ -951,10 +945,14 @@ static enum empty_type parse_empty_value(const char *value) return EMPTY_DROP; else if (!strcasecmp(value, "keep")) return EMPTY_KEEP; - else if (!strcasecmp(value, "ask")) - return EMPTY_ASK; + else if (!strcasecmp(value, "stop")) + return EMPTY_STOP; + else if (!strcasecmp(value, "ask")) { + warning(_("--empty=ask is deprecated; use '--empty=stop' instead.")); + return EMPTY_STOP; + } - die(_("unrecognized empty type '%s'; valid values are \"drop\", \"keep\", and \"ask\"."), value); + die(_("unrecognized empty type '%s'; valid values are \"drop\", \"keep\", and \"stop\"."), value); } static int parse_opt_keep_empty(const struct option *opt, const char *arg, @@ -1133,7 +1131,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) "instead of ignoring them"), 1, PARSE_OPT_HIDDEN), OPT_RERERE_AUTOUPDATE(&options.allow_rerere_autoupdate), - OPT_CALLBACK_F(0, "empty", &options, "(drop|keep|ask)", + OPT_CALLBACK_F(0, "empty", &options, "(drop|keep|stop)", N_("how to handle commits that become empty"), PARSE_OPT_NONEG, parse_opt_empty), OPT_CALLBACK_F('k', "keep-empty", &options, NULL, @@ -1550,7 +1548,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) if (options.empty == EMPTY_UNSPECIFIED) { if (options.flags & REBASE_INTERACTIVE_EXPLICIT) - options.empty = EMPTY_ASK; + options.empty = EMPTY_STOP; else if (options.exec.nr > 0) options.empty = EMPTY_KEEP; else diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index db65607485..56d8a77ed7 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -1526,6 +1526,7 @@ static const char *update(struct command *cmd, struct shallow_info *si) starts_with(name, "refs/heads/")) { struct object *old_object, *new_object; struct commit *old_commit, *new_commit; + int ret2; old_object = parse_object(the_repository, old_oid); new_object = parse_object(the_repository, new_oid); @@ -1539,7 +1540,10 @@ static const char *update(struct command *cmd, struct shallow_info *si) } old_commit = (struct commit *)old_object; new_commit = (struct commit *)new_object; - if (!repo_in_merge_bases(the_repository, old_commit, new_commit)) { + ret2 = repo_in_merge_bases(the_repository, old_commit, new_commit); + if (ret2 < 0) + exit(128); + if (!ret2) { rp_error("denying non-fast-forward %s" " (you should pull first)", name); ret = "non-fast-forward"; diff --git a/builtin/remote.c b/builtin/remote.c index d91bbe728d..8412d12fa5 100644 --- a/builtin/remote.c +++ b/builtin/remote.c @@ -150,7 +150,7 @@ static int parse_mirror_opt(const struct option *opt, const char *arg, int not) else if (!strcmp(arg, "push")) *mirror = MIRROR_PUSH; else - return error(_("unknown mirror argument: %s"), arg); + return error(_("unknown --mirror argument: %s"), arg); return 0; } diff --git a/builtin/repack.c b/builtin/repack.c index ede36328a3..15e4cccc45 100644 --- a/builtin/repack.c +++ b/builtin/repack.c @@ -314,8 +314,9 @@ static int write_oid(const struct object_id *oid, die(_("could not start pack-objects to repack promisor objects")); } - xwrite(cmd->in, oid_to_hex(oid), the_hash_algo->hexsz); - xwrite(cmd->in, "\n", 1); + if (write_in_full(cmd->in, oid_to_hex(oid), the_hash_algo->hexsz) < 0 || + write_in_full(cmd->in, "\n", 1) < 0) + die(_("failed to feed promisor objects to pack-objects")); return 0; } diff --git a/builtin/reset.c b/builtin/reset.c index f0bf29a478..1d62ff6332 100644 --- a/builtin/reset.c +++ b/builtin/reset.c @@ -116,6 +116,10 @@ static int reset_index(const char *ref, const struct object_id *oid, int reset_t if (reset_type == MIXED || reset_type == HARD) { tree = parse_tree_indirect(oid); + if (!tree) { + error(_("unable to read tree (%s)"), oid_to_hex(oid)); + goto out; + } prime_cache_tree(the_repository, the_repository->index, tree); } diff --git a/builtin/rev-list.c b/builtin/rev-list.c index b3f4783858..77803727e0 100644 --- a/builtin/rev-list.c +++ b/builtin/rev-list.c @@ -219,6 +219,7 @@ static void show_commit(struct commit *commit, void *data) ctx.fmt = revs->commit_format; ctx.output_encoding = get_log_output_encoding(); ctx.color = revs->diffopt.use_color; + ctx.rev = revs; pretty_print_commit(&ctx, commit, &buf); if (buf.len) { if (revs->commit_format != CMIT_FMT_ONELINE) @@ -545,6 +546,18 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) * * Let "--missing" to conditionally set fetch_if_missing. */ + /* + * NEEDSWORK: These loops that attempt to find presence of + * options without understanding that the options they are + * skipping are broken (e.g., it would not know "--grep + * --exclude-promisor-objects" is not triggering + * "--exclude-promisor-objects" option). We really need + * setup_revisions() to have a mechanism to allow and disallow + * some sets of options for different commands (like rev-list, + * replay, etc). Such a mechanism should do an early parsing + * of options and be able to manage the `--missing=...` and + * `--exclude-promisor-objects` options below. + */ for (i = 1; i < argc; i++) { const char *arg = argv[i]; if (!strcmp(arg, "--exclude-promisor-objects")) { @@ -753,8 +766,12 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) if (arg_print_omitted) oidset_init(&omitted_objects, DEFAULT_OIDSET_SIZE); - if (arg_missing_action == MA_PRINT) + if (arg_missing_action == MA_PRINT) { oidset_init(&missing_objects, DEFAULT_OIDSET_SIZE); + /* Add missing tips */ + oidset_insert_from_set(&missing_objects, &revs.missing_commits); + oidset_clear(&revs.missing_commits); + } traverse_commit_list_filtered( &revs, show_commit, show_object, &info, diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index d08987646a..624182e507 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -25,6 +25,7 @@ #include "submodule.h" #include "commit-reach.h" #include "shallow.h" +#include "object-file-convert.h" #define DO_REVS 1 #define DO_NOREV 2 @@ -297,7 +298,7 @@ static int try_difference(const char *arg) show_rev(NORMAL, &end_oid, end); show_rev(symmetric ? NORMAL : REVERSED, &start_oid, start); if (symmetric) { - struct commit_list *exclude; + struct commit_list *exclude = NULL; struct commit *a, *b; a = lookup_commit_reference(the_repository, &start_oid); b = lookup_commit_reference(the_repository, &end_oid); @@ -305,7 +306,8 @@ static int try_difference(const char *arg) *dotdot = '.'; return 0; } - exclude = repo_get_merge_bases(the_repository, a, b); + if (repo_get_merge_bases(the_repository, a, b, &exclude) < 0) + exit(128); while (exclude) { struct commit *commit = pop_commit(&exclude); show_rev(REVERSED, &commit->object.oid, NULL); @@ -675,6 +677,8 @@ static void print_path(const char *path, const char *prefix, enum format_type fo int cmd_rev_parse(int argc, const char **argv, const char *prefix) { int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0; + const struct git_hash_algo *output_algo = NULL; + const struct git_hash_algo *compat = NULL; int did_repo_setup = 0; int has_dashdash = 0; int output_prefix = 0; @@ -746,6 +750,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) prepare_repo_settings(the_repository); the_repository->settings.command_requires_full_index = 0; + compat = the_repository->compat_hash_algo; } if (!strcmp(arg, "--")) { @@ -833,6 +838,22 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) flags |= GET_OID_QUIETLY; continue; } + if (opt_with_value(arg, "--output-object-format", &arg)) { + if (!arg) + die(_("no object format specified")); + if (!strcmp(arg, the_hash_algo->name) || + !strcmp(arg, "storage")) { + flags |= GET_OID_HASH_ANY; + output_algo = the_hash_algo; + continue; + } + else if (compat && !strcmp(arg, compat->name)) { + flags |= GET_OID_HASH_ANY; + output_algo = compat; + continue; + } + else die(_("unsupported object format: %s"), arg); + } if (opt_with_value(arg, "--short", &arg)) { filter &= ~(DO_FLAGS|DO_NOREV); verify = 1; @@ -882,7 +903,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) continue; } if (skip_prefix(arg, "--disambiguate=", &arg)) { - repo_for_each_abbrev(the_repository, arg, + repo_for_each_abbrev(the_repository, arg, the_hash_algo, show_abbrev, NULL); continue; } @@ -1090,6 +1111,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) } if (!get_oid_with_context(the_repository, name, flags, &oid, &unused)) { + if (output_algo) + repo_oid_to_algop(the_repository, &oid, + output_algo, &oid); if (verify) revs_count++; else diff --git a/builtin/revert.c b/builtin/revert.c index 89821bab95..53935d2c68 100644 --- a/builtin/revert.c +++ b/builtin/revert.c @@ -43,6 +43,31 @@ static const char * const *revert_or_cherry_pick_usage(struct replay_opts *opts) return opts->action == REPLAY_REVERT ? revert_usage : cherry_pick_usage; } +enum empty_action { + EMPTY_COMMIT_UNSPECIFIED = -1, + STOP_ON_EMPTY_COMMIT, /* output errors and stop in the middle of a cherry-pick */ + DROP_EMPTY_COMMIT, /* skip with a notice message */ + KEEP_EMPTY_COMMIT, /* keep recording as empty commits */ +}; + +static int parse_opt_empty(const struct option *opt, const char *arg, int unset) +{ + int *opt_value = opt->value; + + BUG_ON_OPT_NEG(unset); + + if (!strcmp(arg, "stop")) + *opt_value = STOP_ON_EMPTY_COMMIT; + else if (!strcmp(arg, "drop")) + *opt_value = DROP_EMPTY_COMMIT; + else if (!strcmp(arg, "keep")) + *opt_value = KEEP_EMPTY_COMMIT; + else + return error(_("invalid value for '%s': '%s'"), "--empty", arg); + + return 0; +} + static int option_parse_m(const struct option *opt, const char *arg, int unset) { @@ -85,6 +110,7 @@ static int run_sequencer(int argc, const char **argv, const char *prefix, const char * const * usage_str = revert_or_cherry_pick_usage(opts); const char *me = action_name(opts); const char *cleanup_arg = NULL; + enum empty_action empty_opt = EMPTY_COMMIT_UNSPECIFIED; int cmd = 0; struct option base_options[] = { OPT_CMDMODE(0, "quit", &cmd, N_("end revert or cherry-pick sequence"), 'q'), @@ -114,7 +140,10 @@ static int run_sequencer(int argc, const char **argv, const char *prefix, OPT_BOOL(0, "ff", &opts->allow_ff, N_("allow fast-forward")), OPT_BOOL(0, "allow-empty", &opts->allow_empty, N_("preserve initially empty commits")), OPT_BOOL(0, "allow-empty-message", &opts->allow_empty_message, N_("allow commits with empty messages")), - OPT_BOOL(0, "keep-redundant-commits", &opts->keep_redundant_commits, N_("keep redundant, empty commits")), + OPT_BOOL(0, "keep-redundant-commits", &opts->keep_redundant_commits, N_("deprecated: use --empty=keep instead")), + OPT_CALLBACK_F(0, "empty", &empty_opt, "(stop|drop|keep)", + N_("how to handle commits that become empty"), + PARSE_OPT_NONEG, parse_opt_empty), OPT_END(), }; options = parse_options_concat(options, cp_extra); @@ -134,6 +163,11 @@ static int run_sequencer(int argc, const char **argv, const char *prefix, prepare_repo_settings(the_repository); the_repository->settings.command_requires_full_index = 0; + if (opts->action == REPLAY_PICK) { + opts->drop_redundant_commits = (empty_opt == DROP_EMPTY_COMMIT); + opts->keep_redundant_commits = opts->keep_redundant_commits || (empty_opt == KEEP_EMPTY_COMMIT); + } + /* implies allow_empty */ if (opts->keep_redundant_commits) opts->allow_empty = 1; @@ -167,6 +201,8 @@ static int run_sequencer(int argc, const char **argv, const char *prefix, "--ff", opts->allow_ff, "--rerere-autoupdate", opts->allow_rerere_auto == RERERE_AUTOUPDATE, "--no-rerere-autoupdate", opts->allow_rerere_auto == RERERE_NOAUTOUPDATE, + "--keep-redundant-commits", opts->keep_redundant_commits, + "--empty", empty_opt != EMPTY_COMMIT_UNSPECIFIED, NULL); } diff --git a/builtin/shortlog.c b/builtin/shortlog.c index 1307ed2b88..3c7cd2d6ef 100644 --- a/builtin/shortlog.c +++ b/builtin/shortlog.c @@ -245,7 +245,6 @@ void shortlog_add_commit(struct shortlog *log, struct commit *commit) ctx.fmt = CMIT_FMT_USERFORMAT; ctx.abbrev = log->abbrev; - ctx.print_email_subject = 1; ctx.date_mode = log->date_mode; ctx.output_encoding = get_log_output_encoding(); diff --git a/builtin/stash.c b/builtin/stash.c index 7fb355bff0..062be1fbc0 100644 --- a/builtin/stash.c +++ b/builtin/stash.c @@ -284,7 +284,7 @@ static int reset_tree(struct object_id *i_tree, int update, int reset) if (parse_tree(tree)) return -1; - init_tree_desc(t, tree->buffer, tree->size); + init_tree_desc(t, &tree->object.oid, tree->buffer, tree->size); opts.head_idx = 1; opts.src_index = &the_index; @@ -870,7 +870,8 @@ static void diff_include_untracked(const struct stash_info *info, struct diff_op tree[i] = parse_tree_indirect(oid[i]); if (parse_tree(tree[i]) < 0) die(_("failed to parse tree")); - init_tree_desc(&tree_desc[i], tree[i]->buffer, tree[i]->size); + init_tree_desc(&tree_desc[i], &tree[i]->object.oid, + tree[i]->buffer, tree[i]->size); } unpack_tree_opt.head_idx = -1; diff --git a/builtin/stripspace.c b/builtin/stripspace.c index 7b700a9fb1..e5626e5126 100644 --- a/builtin/stripspace.c +++ b/builtin/stripspace.c @@ -13,7 +13,7 @@ static void comment_lines(struct strbuf *buf) size_t len; msg = strbuf_detach(buf, &len); - strbuf_add_commented_lines(buf, msg, len, comment_line_char); + strbuf_add_commented_lines(buf, msg, len, comment_line_str); free(msg); } @@ -59,7 +59,7 @@ int cmd_stripspace(int argc, const char **argv, const char *prefix) if (mode == STRIP_DEFAULT || mode == STRIP_COMMENTS) strbuf_stripspace(&buf, - mode == STRIP_COMMENTS ? comment_line_char : '\0'); + mode == STRIP_COMMENTS ? comment_line_str : NULL); else comment_lines(&buf); diff --git a/builtin/submodule--helper.c b/builtin/submodule--helper.c index fda50f2af1..e4e18adb57 100644 --- a/builtin/submodule--helper.c +++ b/builtin/submodule--helper.c @@ -1283,7 +1283,7 @@ static void sync_submodule(const char *path, const char *prefix, submodule_to_gitdir(&sb, path); strbuf_addstr(&sb, "/config"); - if (git_config_set_in_file_gently(sb.buf, remote_key, sub_origin_url)) + if (git_config_set_in_file_gently(sb.buf, remote_key, NULL, sub_origin_url)) die(_("failed to update remote for submodule '%s'"), path); diff --git a/builtin/tag.c b/builtin/tag.c index 19a7e06bf4..9a33cb50b4 100644 --- a/builtin/tag.c +++ b/builtin/tag.c @@ -27,6 +27,7 @@ #include "ref-filter.h" #include "date.h" #include "write-or-die.h" +#include "object-file-convert.h" static const char * const git_tag_usage[] = { N_("git tag [-a | -s | -u <key-id>] [-f] [-m <msg> | -F <file>] [-e]\n" @@ -151,18 +152,52 @@ static int verify_tag(const char *name, const char *ref UNUSED, return 0; } -static int do_sign(struct strbuf *buffer) +static int do_sign(struct strbuf *buffer, struct object_id **compat_oid, + struct object_id *compat_oid_buf) { - return sign_buffer(buffer, buffer, get_signing_key()) ? -1 : 0; + const struct git_hash_algo *compat = the_repository->compat_hash_algo; + struct strbuf sig = STRBUF_INIT, compat_sig = STRBUF_INIT; + struct strbuf compat_buf = STRBUF_INIT; + const char *keyid = get_signing_key(); + int ret = -1; + + if (sign_buffer(buffer, &sig, keyid)) + return -1; + + if (compat) { + const struct git_hash_algo *algo = the_repository->hash_algo; + + if (convert_object_file(&compat_buf, algo, compat, + buffer->buf, buffer->len, OBJ_TAG, 1)) + goto out; + if (sign_buffer(&compat_buf, &compat_sig, keyid)) + goto out; + add_header_signature(&compat_buf, &sig, algo); + strbuf_addbuf(&compat_buf, &compat_sig); + hash_object_file(compat, compat_buf.buf, compat_buf.len, + OBJ_TAG, compat_oid_buf); + *compat_oid = compat_oid_buf; + } + + if (compat_sig.len) + add_header_signature(buffer, &compat_sig, compat); + + strbuf_addbuf(buffer, &sig); + ret = 0; +out: + strbuf_release(&sig); + strbuf_release(&compat_sig); + strbuf_release(&compat_buf); + return ret; } static const char tag_template[] = N_("\nWrite a message for tag:\n %s\n" - "Lines starting with '%c' will be ignored.\n"); + "Lines starting with '%s' will be ignored.\n"); static const char tag_template_nocleanup[] = N_("\nWrite a message for tag:\n %s\n" - "Lines starting with '%c' will be kept; you may remove them" + "Lines starting with '%s' will be kept; you may remove them" " yourself if you want to.\n"); static int git_tag_config(const char *var, const char *value, @@ -226,9 +261,11 @@ static void write_tag_body(int fd, const struct object_id *oid) static int build_tag_object(struct strbuf *buf, int sign, struct object_id *result) { - if (sign && do_sign(buf) < 0) + struct object_id *compat_oid = NULL, compat_oid_buf; + if (sign && do_sign(buf, &compat_oid, &compat_oid_buf) < 0) return error(_("unable to sign the tag")); - if (write_object_file(buf->buf, buf->len, OBJ_TAG, result) < 0) + if (write_object_file_flags(buf->buf, buf->len, OBJ_TAG, result, + compat_oid, 0) < 0) return error(_("unable to write tag file")); return 0; } @@ -291,11 +328,11 @@ static void create_tag(const struct object_id *object, const char *object_ref, struct strbuf buf = STRBUF_INIT; strbuf_addch(&buf, '\n'); if (opt->cleanup_mode == CLEANUP_ALL) - strbuf_commented_addf(&buf, comment_line_char, - _(tag_template), tag, comment_line_char); + strbuf_commented_addf(&buf, comment_line_str, + _(tag_template), tag, comment_line_str); else - strbuf_commented_addf(&buf, comment_line_char, - _(tag_template_nocleanup), tag, comment_line_char); + strbuf_commented_addf(&buf, comment_line_str, + _(tag_template_nocleanup), tag, comment_line_str); write_or_die(fd, buf.buf, buf.len); strbuf_release(&buf); } @@ -310,7 +347,7 @@ static void create_tag(const struct object_id *object, const char *object_ref, if (opt->cleanup_mode != CLEANUP_NONE) strbuf_stripspace(buf, - opt->cleanup_mode == CLEANUP_ALL ? comment_line_char : '\0'); + opt->cleanup_mode == CLEANUP_ALL ? comment_line_str : NULL); if (!opt->message_given && !buf->len) die(_("no tag message?")); diff --git a/builtin/unpack-objects.c b/builtin/unpack-objects.c index e0a701f2b3..f1c85a00ae 100644 --- a/builtin/unpack-objects.c +++ b/builtin/unpack-objects.c @@ -679,13 +679,7 @@ int cmd_unpack_objects(int argc, const char **argv, const char *prefix UNUSED) use(the_hash_algo->rawsz); /* Write the last part of the buffer to stdout */ - while (len) { - int ret = xwrite(1, buffer + offset, len); - if (ret <= 0) - break; - len -= ret; - offset += ret; - } + write_in_full(1, buffer + offset, len); /* All done */ return has_errors; diff --git a/builtin/update-ref.c b/builtin/update-ref.c index 61338a01ec..e46afbc46d 100644 --- a/builtin/update-ref.c +++ b/builtin/update-ref.c @@ -9,8 +9,8 @@ #include "repository.h" static const char * const git_update_ref_usage[] = { - N_("git update-ref [<options>] -d <refname> [<old-val>]"), - N_("git update-ref [<options>] <refname> <new-val> [<old-val>]"), + N_("git update-ref [<options>] -d <refname> [<old-oid>]"), + N_("git update-ref [<options>] <refname> <new-oid> [<old-oid>]"), N_("git update-ref [<options>] --stdin [-z]"), NULL }; @@ -77,14 +77,14 @@ static char *parse_refname(const char **next) } /* - * The value being parsed is <oldvalue> (as opposed to <newvalue>; the + * The value being parsed is <old-oid> (as opposed to <new-oid>; the * difference affects which error messages are generated): */ #define PARSE_SHA1_OLD 0x01 /* * For backwards compatibility, accept an empty string for update's - * <newvalue> in binary mode to be equivalent to specifying zeros. + * <new-oid> in binary mode to be equivalent to specifying zeros. */ #define PARSE_SHA1_ALLOW_EMPTY 0x02 @@ -140,7 +140,7 @@ static int parse_next_oid(const char **next, const char *end, goto invalid; } else if (flags & PARSE_SHA1_ALLOW_EMPTY) { /* With -z, treat an empty value as all zeros: */ - warning("%s %s: missing <newvalue>, treating as zero", + warning("%s %s: missing <new-oid>, treating as zero", command, refname); oidclr(oid); } else { @@ -158,14 +158,14 @@ static int parse_next_oid(const char **next, const char *end, invalid: die(flags & PARSE_SHA1_OLD ? - "%s %s: invalid <oldvalue>: %s" : - "%s %s: invalid <newvalue>: %s", + "%s %s: invalid <old-oid>: %s" : + "%s %s: invalid <new-oid>: %s", command, refname, arg.buf); eof: die(flags & PARSE_SHA1_OLD ? - "%s %s: unexpected end of input when reading <oldvalue>" : - "%s %s: unexpected end of input when reading <newvalue>", + "%s %s: unexpected end of input when reading <old-oid>" : + "%s %s: unexpected end of input when reading <new-oid>", command, refname); } @@ -194,7 +194,7 @@ static void parse_cmd_update(struct ref_transaction *transaction, if (parse_next_oid(&next, end, &new_oid, "update", refname, PARSE_SHA1_ALLOW_EMPTY)) - die("update %s: missing <newvalue>", refname); + die("update %s: missing <new-oid>", refname); have_old = !parse_next_oid(&next, end, &old_oid, "update", refname, PARSE_SHA1_OLD); @@ -225,10 +225,10 @@ static void parse_cmd_create(struct ref_transaction *transaction, die("create: missing <ref>"); if (parse_next_oid(&next, end, &new_oid, "create", refname, 0)) - die("create %s: missing <newvalue>", refname); + die("create %s: missing <new-oid>", refname); if (is_null_oid(&new_oid)) - die("create %s: zero <newvalue>", refname); + die("create %s: zero <new-oid>", refname); if (*next != line_termination) die("create %s: extra input: %s", refname, next); @@ -260,7 +260,7 @@ static void parse_cmd_delete(struct ref_transaction *transaction, have_old = 0; } else { if (is_null_oid(&old_oid)) - die("delete %s: zero <oldvalue>", refname); + die("delete %s: zero <old-oid>", refname); have_old = 1; } diff --git a/builtin/upload-pack.c b/builtin/upload-pack.c index 9b021ef026..15afb97260 100644 --- a/builtin/upload-pack.c +++ b/builtin/upload-pack.c @@ -8,6 +8,7 @@ #include "replace-object.h" #include "upload-pack.h" #include "serve.h" +#include "commit.h" static const char * const upload_pack_usage[] = { N_("git-upload-pack [--[no-]strict] [--timeout=<n>] [--stateless-rpc]\n" @@ -37,6 +38,7 @@ int cmd_upload_pack(int argc, const char **argv, const char *prefix) packet_trace_identity("upload-pack"); disable_replace_refs(); + save_commit_buffer = 0; argc = parse_options(argc, argv, prefix, options, upload_pack_usage, 0); diff --git a/builtin/worktree.c b/builtin/worktree.c index 9c76b62b02..7c6c72536b 100644 --- a/builtin/worktree.c +++ b/builtin/worktree.c @@ -365,12 +365,12 @@ static void copy_filtered_worktree_config(const char *worktree_git_dir) if (!git_configset_get_bool(&cs, "core.bare", &bare) && bare && git_config_set_multivar_in_file_gently( - to_file, "core.bare", NULL, "true", 0)) + to_file, "core.bare", NULL, "true", NULL, 0)) error(_("failed to unset '%s' in '%s'"), "core.bare", to_file); if (!git_configset_get(&cs, "core.worktree") && git_config_set_in_file_gently(to_file, - "core.worktree", NULL)) + "core.worktree", NULL, NULL)) error(_("failed to unset '%s' in '%s'"), "core.worktree", to_file); @@ -657,7 +657,7 @@ static int can_use_local_refs(const struct add_opts *opts) strbuf_add_real_path(&path, get_worktree_git_dir(NULL)); strbuf_addstr(&path, "/HEAD"); strbuf_read_file(&contents, path.buf, 64); - strbuf_stripspace(&contents, 0); + strbuf_stripspace(&contents, NULL); strbuf_strip_suffix(&contents, "\n"); warning(_("HEAD points to an invalid (or orphaned) reference.\n" diff --git a/cache-tree.c b/cache-tree.c index 64678fe199..387c0a3e5b 100644 --- a/cache-tree.c +++ b/cache-tree.c @@ -447,7 +447,7 @@ static int update_one(struct cache_tree *it, hash_object_file(the_hash_algo, buffer.buf, buffer.len, OBJ_TREE, &it->oid); } else if (write_object_file_flags(buffer.buf, buffer.len, OBJ_TREE, - &it->oid, flags & WRITE_TREE_SILENT + &it->oid, NULL, flags & WRITE_TREE_SILENT ? HASH_SILENT : 0)) { strbuf_release(&buffer); return -1; @@ -769,7 +769,7 @@ static void prime_cache_tree_rec(struct repository *r, oidcpy(&it->oid, &tree->object.oid); - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); cnt = 0; while (tree_entry(&desc, &entry)) { if (!S_ISDIR(entry.mode)) @@ -778,8 +778,8 @@ static void prime_cache_tree_rec(struct repository *r, struct cache_tree_sub *sub; struct tree *subtree = lookup_tree(r, &entry.oid); - if (!subtree->object.parsed) - parse_tree(subtree); + if (parse_tree(subtree) < 0) + exit(128); sub = cache_tree_sub(it, entry.path); sub->cache_tree = cache_tree(); diff --git a/ci/run-build-and-minimal-fuzzers.sh b/ci/run-build-and-minimal-fuzzers.sh index 8ba486f659..a51076d18d 100755 --- a/ci/run-build-and-minimal-fuzzers.sh +++ b/ci/run-build-and-minimal-fuzzers.sh @@ -12,7 +12,7 @@ group "Build fuzzers" make \ LIB_FUZZING_ENGINE="-fsanitize=fuzzer,address" \ fuzz-all -for fuzzer in commit-graph date pack-headers pack-idx ; do +for fuzzer in commit-graph config date pack-headers pack-idx ; do begin_group "fuzz-$fuzzer" ./oss-fuzz/fuzz-$fuzzer -verbosity=0 -runs=1 || exit 1 end_group "fuzz-$fuzzer" diff --git a/commit-reach.c b/commit-reach.c index ecc913fc99..8f9b008f87 100644 --- a/commit-reach.c +++ b/commit-reach.c @@ -49,13 +49,14 @@ static int queue_has_nonstale(struct prio_queue *queue) } /* all input commits in one and twos[] must have been parsed! */ -static struct commit_list *paint_down_to_common(struct repository *r, - struct commit *one, int n, - struct commit **twos, - timestamp_t min_generation) +static int paint_down_to_common(struct repository *r, + struct commit *one, int n, + struct commit **twos, + timestamp_t min_generation, + int ignore_missing_commits, + struct commit_list **result) { struct prio_queue queue = { compare_commits_by_gen_then_commit_date }; - struct commit_list *result = NULL; int i; timestamp_t last_gen = GENERATION_NUMBER_INFINITY; @@ -64,8 +65,8 @@ static struct commit_list *paint_down_to_common(struct repository *r, one->object.flags |= PARENT1; if (!n) { - commit_list_append(one, &result); - return result; + commit_list_append(one, result); + return 0; } prio_queue_put(&queue, one); @@ -93,7 +94,7 @@ static struct commit_list *paint_down_to_common(struct repository *r, if (flags == (PARENT1 | PARENT2)) { if (!(commit->object.flags & RESULT)) { commit->object.flags |= RESULT; - commit_list_insert_by_date(commit, &result); + commit_list_insert_by_date(commit, result); } /* Mark parents of a found merge stale */ flags |= STALE; @@ -104,67 +105,97 @@ static struct commit_list *paint_down_to_common(struct repository *r, parents = parents->next; if ((p->object.flags & flags) == flags) continue; - if (repo_parse_commit(r, p)) - return NULL; + if (repo_parse_commit(r, p)) { + clear_prio_queue(&queue); + free_commit_list(*result); + *result = NULL; + /* + * At this stage, we know that the commit is + * missing: `repo_parse_commit()` uses + * `OBJECT_INFO_DIE_IF_CORRUPT` and therefore + * corrupt commits would already have been + * dispatched with a `die()`. + */ + if (ignore_missing_commits) + return 0; + return error(_("could not parse commit %s"), + oid_to_hex(&p->object.oid)); + } p->object.flags |= flags; prio_queue_put(&queue, p); } } clear_prio_queue(&queue); - return result; + return 0; } -static struct commit_list *merge_bases_many(struct repository *r, - struct commit *one, int n, - struct commit **twos) +static int merge_bases_many(struct repository *r, + struct commit *one, int n, + struct commit **twos, + struct commit_list **result) { struct commit_list *list = NULL; - struct commit_list *result = NULL; int i; for (i = 0; i < n; i++) { - if (one == twos[i]) + if (one == twos[i]) { /* * We do not mark this even with RESULT so we do not * have to clean it up. */ - return commit_list_insert(one, &result); + *result = commit_list_insert(one, result); + return 0; + } } + if (!one) + return 0; if (repo_parse_commit(r, one)) - return NULL; + return error(_("could not parse commit %s"), + oid_to_hex(&one->object.oid)); for (i = 0; i < n; i++) { + if (!twos[i]) + return 0; if (repo_parse_commit(r, twos[i])) - return NULL; + return error(_("could not parse commit %s"), + oid_to_hex(&twos[i]->object.oid)); } - list = paint_down_to_common(r, one, n, twos, 0); + if (paint_down_to_common(r, one, n, twos, 0, 0, &list)) { + free_commit_list(list); + return -1; + } while (list) { struct commit *commit = pop_commit(&list); if (!(commit->object.flags & STALE)) - commit_list_insert_by_date(commit, &result); + commit_list_insert_by_date(commit, result); } - return result; + return 0; } -struct commit_list *get_octopus_merge_bases(struct commit_list *in) +int get_octopus_merge_bases(struct commit_list *in, struct commit_list **result) { - struct commit_list *i, *j, *k, *ret = NULL; + struct commit_list *i, *j, *k; if (!in) - return ret; + return 0; - commit_list_insert(in->item, &ret); + commit_list_insert(in->item, result); for (i = in->next; i; i = i->next) { struct commit_list *new_commits = NULL, *end = NULL; - for (j = ret; j; j = j->next) { - struct commit_list *bases; - bases = repo_get_merge_bases(the_repository, i->item, - j->item); + for (j = *result; j; j = j->next) { + struct commit_list *bases = NULL; + if (repo_get_merge_bases(the_repository, i->item, + j->item, &bases) < 0) { + free_commit_list(bases); + free_commit_list(*result); + *result = NULL; + return -1; + } if (!new_commits) new_commits = bases; else @@ -172,10 +203,10 @@ struct commit_list *get_octopus_merge_bases(struct commit_list *in) for (k = bases; k; k = k->next) end = k; } - free_commit_list(ret); - ret = new_commits; + free_commit_list(*result); + *result = new_commits; } - return ret; + return 0; } static int remove_redundant_no_gen(struct repository *r, @@ -193,7 +224,7 @@ static int remove_redundant_no_gen(struct repository *r, for (i = 0; i < cnt; i++) repo_parse_commit(r, array[i]); for (i = 0; i < cnt; i++) { - struct commit_list *common; + struct commit_list *common = NULL; timestamp_t min_generation = commit_graph_generation(array[i]); if (redundant[i]) @@ -209,8 +240,16 @@ static int remove_redundant_no_gen(struct repository *r, if (curr_generation < min_generation) min_generation = curr_generation; } - common = paint_down_to_common(r, array[i], filled, - work, min_generation); + if (paint_down_to_common(r, array[i], filled, + work, min_generation, 0, &common)) { + clear_commit_marks(array[i], all_flags); + clear_commit_marks_many(filled, work, all_flags); + free_commit_list(common); + free(work); + free(redundant); + free(filled_index); + return -1; + } if (array[i]->object.flags & PARENT2) redundant[i] = 1; for (j = 0; j < filled; j++) @@ -375,69 +414,77 @@ static int remove_redundant(struct repository *r, struct commit **array, int cnt return remove_redundant_no_gen(r, array, cnt); } -static struct commit_list *get_merge_bases_many_0(struct repository *r, - struct commit *one, - int n, - struct commit **twos, - int cleanup) +static int get_merge_bases_many_0(struct repository *r, + struct commit *one, + int n, + struct commit **twos, + int cleanup, + struct commit_list **result) { struct commit_list *list; struct commit **rslt; - struct commit_list *result; int cnt, i; - result = merge_bases_many(r, one, n, twos); + if (merge_bases_many(r, one, n, twos, result) < 0) + return -1; for (i = 0; i < n; i++) { if (one == twos[i]) - return result; + return 0; } - if (!result || !result->next) { + if (!*result || !(*result)->next) { if (cleanup) { clear_commit_marks(one, all_flags); clear_commit_marks_many(n, twos, all_flags); } - return result; + return 0; } /* There are more than one */ - cnt = commit_list_count(result); + cnt = commit_list_count(*result); CALLOC_ARRAY(rslt, cnt); - for (list = result, i = 0; list; list = list->next) + for (list = *result, i = 0; list; list = list->next) rslt[i++] = list->item; - free_commit_list(result); + free_commit_list(*result); + *result = NULL; clear_commit_marks(one, all_flags); clear_commit_marks_many(n, twos, all_flags); cnt = remove_redundant(r, rslt, cnt); - result = NULL; + if (cnt < 0) { + free(rslt); + return -1; + } for (i = 0; i < cnt; i++) - commit_list_insert_by_date(rslt[i], &result); + commit_list_insert_by_date(rslt[i], result); free(rslt); - return result; + return 0; } -struct commit_list *repo_get_merge_bases_many(struct repository *r, - struct commit *one, - int n, - struct commit **twos) +int repo_get_merge_bases_many(struct repository *r, + struct commit *one, + int n, + struct commit **twos, + struct commit_list **result) { - return get_merge_bases_many_0(r, one, n, twos, 1); + return get_merge_bases_many_0(r, one, n, twos, 1, result); } -struct commit_list *repo_get_merge_bases_many_dirty(struct repository *r, - struct commit *one, - int n, - struct commit **twos) +int repo_get_merge_bases_many_dirty(struct repository *r, + struct commit *one, + int n, + struct commit **twos, + struct commit_list **result) { - return get_merge_bases_many_0(r, one, n, twos, 0); + return get_merge_bases_many_0(r, one, n, twos, 0, result); } -struct commit_list *repo_get_merge_bases(struct repository *r, - struct commit *one, - struct commit *two) +int repo_get_merge_bases(struct repository *r, + struct commit *one, + struct commit *two, + struct commit_list **result) { - return get_merge_bases_many_0(r, one, 1, &two, 1); + return get_merge_bases_many_0(r, one, 1, &two, 1, result); } /* @@ -460,11 +507,13 @@ int repo_is_descendant_of(struct repository *r, } else { while (with_commit) { struct commit *other; + int ret; other = with_commit->item; with_commit = with_commit->next; - if (repo_in_merge_bases_many(r, other, 1, &commit)) - return 1; + ret = repo_in_merge_bases_many(r, other, 1, &commit, 0); + if (ret) + return ret; } return 0; } @@ -474,17 +523,18 @@ int repo_is_descendant_of(struct repository *r, * Is "commit" an ancestor of one of the "references"? */ int repo_in_merge_bases_many(struct repository *r, struct commit *commit, - int nr_reference, struct commit **reference) + int nr_reference, struct commit **reference, + int ignore_missing_commits) { - struct commit_list *bases; + struct commit_list *bases = NULL; int ret = 0, i; timestamp_t generation, max_generation = GENERATION_NUMBER_ZERO; if (repo_parse_commit(r, commit)) - return ret; + return ignore_missing_commits ? 0 : -1; for (i = 0; i < nr_reference; i++) { if (repo_parse_commit(r, reference[i])) - return ret; + return ignore_missing_commits ? 0 : -1; generation = commit_graph_generation(reference[i]); if (generation > max_generation) @@ -495,10 +545,11 @@ int repo_in_merge_bases_many(struct repository *r, struct commit *commit, if (generation > max_generation) return ret; - bases = paint_down_to_common(r, commit, - nr_reference, reference, - generation); - if (commit->object.flags & PARENT2) + if (paint_down_to_common(r, commit, + nr_reference, reference, + generation, ignore_missing_commits, &bases)) + ret = -1; + else if (commit->object.flags & PARENT2) ret = 1; clear_commit_marks(commit, all_flags); clear_commit_marks_many(nr_reference, reference, all_flags); @@ -551,6 +602,10 @@ struct commit_list *reduce_heads(struct commit_list *heads) } } num_head = remove_redundant(the_repository, array, num_head); + if (num_head < 0) { + free(array); + return NULL; + } for (i = 0; i < num_head; i++) tail = &commit_list_insert(array[i], tail)->next; free(array); @@ -593,6 +648,8 @@ int ref_newer(const struct object_id *new_oid, const struct object_id *old_oid) commit_list_insert(old_commit, &old_commit_list); ret = repo_is_descendant_of(the_repository, new_commit, old_commit_list); + if (ret < 0) + exit(128); free_commit_list(old_commit_list); return ret; } diff --git a/commit-reach.h b/commit-reach.h index 35c4da4948..bf63cc468f 100644 --- a/commit-reach.h +++ b/commit-reach.h @@ -9,18 +9,21 @@ struct ref_filter; struct object_id; struct object_array; -struct commit_list *repo_get_merge_bases(struct repository *r, - struct commit *rev1, - struct commit *rev2); -struct commit_list *repo_get_merge_bases_many(struct repository *r, - struct commit *one, int n, - struct commit **twos); +int repo_get_merge_bases(struct repository *r, + struct commit *rev1, + struct commit *rev2, + struct commit_list **result); +int repo_get_merge_bases_many(struct repository *r, + struct commit *one, int n, + struct commit **twos, + struct commit_list **result); /* To be used only when object flags after this call no longer matter */ -struct commit_list *repo_get_merge_bases_many_dirty(struct repository *r, - struct commit *one, int n, - struct commit **twos); +int repo_get_merge_bases_many_dirty(struct repository *r, + struct commit *one, int n, + struct commit **twos, + struct commit_list **result); -struct commit_list *get_octopus_merge_bases(struct commit_list *in); +int get_octopus_merge_bases(struct commit_list *in, struct commit_list **result); int repo_is_descendant_of(struct repository *r, struct commit *commit, @@ -30,7 +33,8 @@ int repo_in_merge_bases(struct repository *r, struct commit *reference); int repo_in_merge_bases_many(struct repository *r, struct commit *commit, - int nr_reference, struct commit **reference); + int nr_reference, struct commit **reference, + int ignore_missing_commits); /* * Takes a list of commits and returns a new list where those @@ -27,6 +27,7 @@ #include "tree.h" #include "hook.h" #include "parse.h" +#include "object-file-convert.h" static struct commit_extra_header *read_commit_extra_header_lines(const char *buf, size_t len, const char **); @@ -1052,7 +1053,7 @@ struct commit *get_fork_point(const char *refname, struct commit *commit) { struct object_id oid; struct rev_collect revs; - struct commit_list *bases; + struct commit_list *bases = NULL; int i; struct commit *ret = NULL; char *full_refname; @@ -1077,8 +1078,9 @@ struct commit *get_fork_point(const char *refname, struct commit *commit) for (i = 0; i < revs.nr; i++) revs.commit[i]->object.flags &= ~TMP_MARK; - bases = repo_get_merge_bases_many(the_repository, commit, revs.nr, - revs.commit); + if (repo_get_merge_bases_many(the_repository, commit, revs.nr, + revs.commit, &bases) < 0) + exit(128); /* * There should be one and only one merge base, when we found @@ -1112,12 +1114,11 @@ static const char *gpg_sig_headers[] = { "gpgsig-sha256", }; -int sign_with_header(struct strbuf *buf, const char *keyid) +int add_header_signature(struct strbuf *buf, struct strbuf *sig, const struct git_hash_algo *algo) { - struct strbuf sig = STRBUF_INIT; int inspos, copypos; const char *eoh; - const char *gpg_sig_header = gpg_sig_headers[hash_algo_by_ptr(the_hash_algo)]; + const char *gpg_sig_header = gpg_sig_headers[hash_algo_by_ptr(algo)]; int gpg_sig_header_len = strlen(gpg_sig_header); /* find the end of the header */ @@ -1127,15 +1128,8 @@ int sign_with_header(struct strbuf *buf, const char *keyid) else inspos = eoh - buf->buf + 1; - if (!keyid || !*keyid) - keyid = get_signing_key(); - if (sign_buffer(buf, &sig, keyid)) { - strbuf_release(&sig); - return -1; - } - - for (copypos = 0; sig.buf[copypos]; ) { - const char *bol = sig.buf + copypos; + for (copypos = 0; sig->buf[copypos]; ) { + const char *bol = sig->buf + copypos; const char *eol = strchrnul(bol, '\n'); int len = (eol - bol) + !!*eol; @@ -1148,11 +1142,17 @@ int sign_with_header(struct strbuf *buf, const char *keyid) inspos += len; copypos += len; } - strbuf_release(&sig); return 0; } - +static int sign_commit_to_strbuf(struct strbuf *sig, struct strbuf *buf, const char *keyid) +{ + if (!keyid || !*keyid) + keyid = get_signing_key(); + if (sign_buffer(buf, sig, keyid)) + return -1; + return 0; +} int parse_signed_commit(const struct commit *commit, struct strbuf *payload, struct strbuf *signature, @@ -1368,6 +1368,39 @@ void append_merge_tag_headers(struct commit_list *parents, } } +static int convert_commit_extra_headers(struct commit_extra_header *orig, + struct commit_extra_header **result) +{ + const struct git_hash_algo *compat = the_repository->compat_hash_algo; + const struct git_hash_algo *algo = the_repository->hash_algo; + struct commit_extra_header *extra = NULL, **tail = &extra; + struct strbuf out = STRBUF_INIT; + while (orig) { + struct commit_extra_header *new; + CALLOC_ARRAY(new, 1); + if (!strcmp(orig->key, "mergetag")) { + if (convert_object_file(&out, algo, compat, + orig->value, orig->len, + OBJ_TAG, 1)) { + free(new); + free_commit_extra_headers(extra); + return -1; + } + new->key = xstrdup("mergetag"); + new->value = strbuf_detach(&out, &new->len); + } else { + new->key = xstrdup(orig->key); + new->len = orig->len; + new->value = xmemdupz(orig->value, orig->len); + } + *tail = new; + tail = &new->next; + orig = orig->next; + } + *result = extra; + return 0; +} + static void add_extra_header(struct strbuf *buffer, struct commit_extra_header *extra) { @@ -1611,70 +1644,169 @@ N_("Warning: commit message did not conform to UTF-8.\n" "You may want to amend it after fixing the message, or set the config\n" "variable i18n.commitEncoding to the encoding your project uses.\n"); -int commit_tree_extended(const char *msg, size_t msg_len, - const struct object_id *tree, - struct commit_list *parents, struct object_id *ret, - const char *author, const char *committer, - const char *sign_commit, - struct commit_extra_header *extra) +static void write_commit_tree(struct strbuf *buffer, const char *msg, size_t msg_len, + const struct object_id *tree, + const struct object_id *parents, size_t parents_len, + const char *author, const char *committer, + struct commit_extra_header *extra) { - int result; int encoding_is_utf8; - struct strbuf buffer; - - assert_oid_type(tree, OBJ_TREE); - - if (memchr(msg, '\0', msg_len)) - return error("a NUL byte in commit log message not allowed."); + size_t i; /* Not having i18n.commitencoding is the same as having utf-8 */ encoding_is_utf8 = is_encoding_utf8(git_commit_encoding); - strbuf_init(&buffer, 8192); /* should avoid reallocs for the headers */ - strbuf_addf(&buffer, "tree %s\n", oid_to_hex(tree)); + strbuf_grow(buffer, 8192); /* should avoid reallocs for the headers */ + strbuf_addf(buffer, "tree %s\n", oid_to_hex(tree)); /* * NOTE! This ordering means that the same exact tree merged with a * different order of parents will be a _different_ changeset even * if everything else stays the same. */ - while (parents) { - struct commit *parent = pop_commit(&parents); - strbuf_addf(&buffer, "parent %s\n", - oid_to_hex(&parent->object.oid)); - } + for (i = 0; i < parents_len; i++) + strbuf_addf(buffer, "parent %s\n", oid_to_hex(&parents[i])); /* Person/date information */ if (!author) author = git_author_info(IDENT_STRICT); - strbuf_addf(&buffer, "author %s\n", author); + strbuf_addf(buffer, "author %s\n", author); if (!committer) committer = git_committer_info(IDENT_STRICT); - strbuf_addf(&buffer, "committer %s\n", committer); + strbuf_addf(buffer, "committer %s\n", committer); if (!encoding_is_utf8) - strbuf_addf(&buffer, "encoding %s\n", git_commit_encoding); + strbuf_addf(buffer, "encoding %s\n", git_commit_encoding); while (extra) { - add_extra_header(&buffer, extra); + add_extra_header(buffer, extra); extra = extra->next; } - strbuf_addch(&buffer, '\n'); + strbuf_addch(buffer, '\n'); /* And add the comment */ - strbuf_add(&buffer, msg, msg_len); + strbuf_add(buffer, msg, msg_len); +} - /* And check the encoding */ - if (encoding_is_utf8 && !verify_utf8(&buffer)) - fprintf(stderr, _(commit_utf8_warn)); +int commit_tree_extended(const char *msg, size_t msg_len, + const struct object_id *tree, + struct commit_list *parents, struct object_id *ret, + const char *author, const char *committer, + const char *sign_commit, + struct commit_extra_header *extra) +{ + struct repository *r = the_repository; + int result = 0; + int encoding_is_utf8; + struct strbuf buffer = STRBUF_INIT, compat_buffer = STRBUF_INIT; + struct strbuf sig = STRBUF_INIT, compat_sig = STRBUF_INIT; + struct object_id *parent_buf = NULL, *compat_oid = NULL; + struct object_id compat_oid_buf; + size_t i, nparents; + + /* Not having i18n.commitencoding is the same as having utf-8 */ + encoding_is_utf8 = is_encoding_utf8(git_commit_encoding); + + assert_oid_type(tree, OBJ_TREE); - if (sign_commit && sign_with_header(&buffer, sign_commit)) { + if (memchr(msg, '\0', msg_len)) + return error("a NUL byte in commit log message not allowed."); + + nparents = commit_list_count(parents); + CALLOC_ARRAY(parent_buf, nparents); + i = 0; + while (parents) { + struct commit *parent = pop_commit(&parents); + oidcpy(&parent_buf[i++], &parent->object.oid); + } + + write_commit_tree(&buffer, msg, msg_len, tree, parent_buf, nparents, author, committer, extra); + if (sign_commit && sign_commit_to_strbuf(&sig, &buffer, sign_commit)) { result = -1; goto out; } + if (r->compat_hash_algo) { + struct commit_extra_header *compat_extra = NULL; + struct object_id mapped_tree; + struct object_id *mapped_parents; + + CALLOC_ARRAY(mapped_parents, nparents); - result = write_object_file(buffer.buf, buffer.len, OBJ_COMMIT, ret); + if (repo_oid_to_algop(r, tree, r->compat_hash_algo, &mapped_tree)) { + result = -1; + free(mapped_parents); + goto out; + } + for (i = 0; i < nparents; i++) + if (repo_oid_to_algop(r, &parent_buf[i], r->compat_hash_algo, &mapped_parents[i])) { + result = -1; + free(mapped_parents); + goto out; + } + if (convert_commit_extra_headers(extra, &compat_extra)) { + result = -1; + free(mapped_parents); + goto out; + } + write_commit_tree(&compat_buffer, msg, msg_len, &mapped_tree, + mapped_parents, nparents, author, committer, compat_extra); + free_commit_extra_headers(compat_extra); + free(mapped_parents); + + if (sign_commit && sign_commit_to_strbuf(&compat_sig, &compat_buffer, sign_commit)) { + result = -1; + goto out; + } + } + + if (sign_commit) { + struct sig_pairs { + struct strbuf *sig; + const struct git_hash_algo *algo; + } bufs [2] = { + { &compat_sig, r->compat_hash_algo }, + { &sig, r->hash_algo }, + }; + int i; + + /* + * We write algorithms in the order they were implemented in + * Git to produce a stable hash when multiple algorithms are + * used. + */ + if (r->compat_hash_algo && hash_algo_by_ptr(bufs[0].algo) > hash_algo_by_ptr(bufs[1].algo)) + SWAP(bufs[0], bufs[1]); + + /* + * We traverse each algorithm in order, and apply the signature + * to each buffer. + */ + for (i = 0; i < ARRAY_SIZE(bufs); i++) { + if (!bufs[i].algo) + continue; + add_header_signature(&buffer, bufs[i].sig, bufs[i].algo); + if (r->compat_hash_algo) + add_header_signature(&compat_buffer, bufs[i].sig, bufs[i].algo); + } + } + + /* And check the encoding. */ + if (encoding_is_utf8 && (!verify_utf8(&buffer) || !verify_utf8(&compat_buffer))) + fprintf(stderr, _(commit_utf8_warn)); + + if (r->compat_hash_algo) { + hash_object_file(r->compat_hash_algo, compat_buffer.buf, compat_buffer.len, + OBJ_COMMIT, &compat_oid_buf); + compat_oid = &compat_oid_buf; + } + + result = write_object_file_flags(buffer.buf, buffer.len, OBJ_COMMIT, + ret, compat_oid, 0); out: + free(parent_buf); strbuf_release(&buffer); + strbuf_release(&compat_buffer); + strbuf_release(&sig); + strbuf_release(&compat_sig); return result; } @@ -1796,7 +1928,8 @@ size_t ignored_log_message_bytes(const char *buf, size_t len) else next_line++; - if (buf[bol] == comment_line_char || buf[bol] == '\n') { + if (starts_with_mem(buf + bol, cutoff - bol, comment_line_str) || + buf[bol] == '\n') { /* is this the first of the run of comments? */ if (!boc) boc = bol; @@ -370,5 +370,6 @@ int parse_buffer_signed_by_header(const char *buffer, struct strbuf *payload, struct strbuf *signature, const struct git_hash_algo *algop); +int add_header_signature(struct strbuf *buf, struct strbuf *sig, const struct git_hash_algo *algo); #endif /* COMMIT_H */ diff --git a/compat/mingw.c b/compat/mingw.c index 320fb99a90..4876344b5b 100644 --- a/compat/mingw.c +++ b/compat/mingw.c @@ -3158,3 +3158,22 @@ int uname(struct utsname *buf) "%u", (v >> 16) & 0x7fff); return 0; } + +int mingw_have_unix_sockets(void) +{ + SC_HANDLE scm, srvc; + SERVICE_STATUS_PROCESS status; + DWORD bytes; + int ret = 0; + scm = OpenSCManagerA(NULL, NULL, SC_MANAGER_CONNECT); + if (scm) { + srvc = OpenServiceA(scm, "afunix", SERVICE_QUERY_STATUS); + if (srvc) { + if(QueryServiceStatusEx(srvc, SC_STATUS_PROCESS_INFO, (LPBYTE)&status, sizeof(SERVICE_STATUS_PROCESS), &bytes)) + ret = status.dwCurrentState == SERVICE_RUNNING; + CloseServiceHandle(srvc); + } + CloseServiceHandle(scm); + } + return ret; +} diff --git a/compat/mingw.h b/compat/mingw.h index 6aec50e412..27b61284f4 100644 --- a/compat/mingw.h +++ b/compat/mingw.h @@ -631,3 +631,9 @@ void open_in_gdb(void); * Used by Pthread API implementation for Windows */ int err_win_to_posix(DWORD winerr); + +#ifndef NO_UNIX_SOCKETS +int mingw_have_unix_sockets(void); +#undef have_unix_sockets +#define have_unix_sockets mingw_have_unix_sockets +#endif @@ -817,7 +817,8 @@ static int get_next_char(struct config_source *cs) static char *parse_value(struct config_source *cs) { - int quote = 0, comment = 0, space = 0; + int quote = 0, comment = 0; + size_t trim_len = 0; strbuf_reset(&cs->value); for (;;) { @@ -827,13 +828,17 @@ static char *parse_value(struct config_source *cs) cs->linenr--; return NULL; } + if (trim_len) + strbuf_setlen(&cs->value, trim_len); return cs->value.buf; } if (comment) continue; if (isspace(c) && !quote) { + if (!trim_len) + trim_len = cs->value.len; if (cs->value.len) - space++; + strbuf_addch(&cs->value, c); continue; } if (!quote) { @@ -842,8 +847,8 @@ static char *parse_value(struct config_source *cs) continue; } } - for (; space; space--) - strbuf_addch(&cs->value, ' '); + if (trim_len) + trim_len = 0; if (c == '\\') { c = get_next_char(cs); switch (c) { @@ -869,7 +874,7 @@ static char *parse_value(struct config_source *cs) continue; } if (c == '"') { - quote = 1-quote; + quote = 1 - quote; continue; } strbuf_addch(&cs->value, c); @@ -1560,24 +1565,29 @@ static int git_default_core_config(const char *var, const char *value, if (!strcmp(var, "core.editor")) return git_config_string(&editor_program, var, value); - if (!strcmp(var, "core.commentchar")) { + if (!strcmp(var, "core.commentchar") || + !strcmp(var, "core.commentstring")) { if (!value) return config_error_nonbool(var); else if (!strcasecmp(value, "auto")) auto_comment_line_char = 1; - else if (value[0] && !value[1]) { - comment_line_char = value[0]; + else if (value[0]) { + if (strchr(value, '\n')) + return error(_("%s cannot contain newline"), var); + comment_line_str = xstrdup(value); auto_comment_line_char = 0; } else - return error(_("core.commentChar should only be one ASCII character")); + return error(_("%s must have at least one character"), var); return 0; } if (!strcmp(var, "core.askpass")) return git_config_string(&askpass_program, var, value); - if (!strcmp(var, "core.excludesfile")) + if (!strcmp(var, "core.excludesfile")) { + free((char *)excludes_file); return git_config_pathname(&excludes_file, var, value); + } if (!strcmp(var, "core.whitespace")) { if (!value) @@ -3001,6 +3011,7 @@ static ssize_t write_section(int fd, const char *key, } static ssize_t write_pair(int fd, const char *key, const char *value, + const char *comment, const struct config_store_data *store) { int i; @@ -3041,7 +3052,11 @@ static ssize_t write_pair(int fd, const char *key, const char *value, strbuf_addch(&sb, value[i]); break; } - strbuf_addf(&sb, "%s\n", quote); + + if (comment) + strbuf_addf(&sb, "%s%s\n", quote, comment); + else + strbuf_addf(&sb, "%s\n", quote); ret = write_in_full(fd, sb.buf, sb.len); strbuf_release(&sb); @@ -3130,9 +3145,9 @@ static void maybe_remove_section(struct config_store_data *store, } int git_config_set_in_file_gently(const char *config_filename, - const char *key, const char *value) + const char *key, const char *comment, const char *value) { - return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, 0); + return git_config_set_multivar_in_file_gently(config_filename, key, value, NULL, comment, 0); } void git_config_set_in_file(const char *config_filename, @@ -3153,7 +3168,7 @@ int repo_config_set_worktree_gently(struct repository *r, if (r->repository_format_worktree_config) { char *file = repo_git_path(r, "config.worktree"); int ret = git_config_set_multivar_in_file_gently( - file, key, value, NULL, 0); + file, key, value, NULL, NULL, 0); free(file); return ret; } @@ -3168,6 +3183,62 @@ void git_config_set(const char *key, const char *value) } /* + * The ownership rule is that the caller will own the string + * if it receives a piece of memory different from what it passed + * as the parameter. + */ +const char *git_config_prepare_comment_string(const char *comment) +{ + size_t leading_blanks; + + if (!comment) + return NULL; + + if (strchr(comment, '\n')) + die(_("no multi-line comment allowed: '%s'"), comment); + + /* + * If it begins with one or more leading whitespace characters + * followed by '#", the comment string is used as-is. + * + * If it begins with '#', a SP is inserted between the comment + * and the value the comment is about. + * + * Otherwise, the value is followed by a SP followed by '#' + * followed by SP and then the comment string comes. + */ + + leading_blanks = strspn(comment, " \t"); + if (leading_blanks && comment[leading_blanks] == '#') + ; /* use it as-is */ + else if (comment[0] == '#') + comment = xstrfmt(" %s", comment); + else + comment = xstrfmt(" # %s", comment); + + return comment; +} + +static void validate_comment_string(const char *comment) +{ + size_t leading_blanks; + + if (!comment) + return; + /* + * The front-end must have massaged the comment string + * properly before calling us. + */ + if (strchr(comment, '\n')) + BUG("multi-line comments are not permitted: '%s'", comment); + + leading_blanks = strspn(comment, " \t"); + if (!leading_blanks || comment[leading_blanks] != '#') + BUG("comment must begin with one or more SP followed by '#': '%s'", + comment); +} + +/* * If value==NULL, unset in (remove from) config, * if value_pattern!=NULL, disregard key/value pairs where value does not match. * if value_pattern==CONFIG_REGEX_NONE, do not match any existing values @@ -3195,6 +3266,7 @@ void git_config_set(const char *key, const char *value) int git_config_set_multivar_in_file_gently(const char *config_filename, const char *key, const char *value, const char *value_pattern, + const char *comment, unsigned flags) { int fd = -1, in_fd = -1; @@ -3205,6 +3277,8 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, size_t contents_sz; struct config_store_data store = CONFIG_STORE_INIT; + validate_comment_string(comment); + /* parse-key returns negative; flip the sign to feed exit(3) */ ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); if (ret) @@ -3245,7 +3319,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, free(store.key); store.key = xstrdup(key); if (write_section(fd, key, &store) < 0 || - write_pair(fd, key, value, &store) < 0) + write_pair(fd, key, value, comment, &store) < 0) goto write_err_out; } else { struct stat st; @@ -3399,7 +3473,7 @@ int git_config_set_multivar_in_file_gently(const char *config_filename, if (write_section(fd, key, &store) < 0) goto write_err_out; } - if (write_pair(fd, key, value, &store) < 0) + if (write_pair(fd, key, value, comment, &store) < 0) goto write_err_out; } @@ -3444,7 +3518,7 @@ void git_config_set_multivar_in_file(const char *config_filename, const char *value_pattern, unsigned flags) { if (!git_config_set_multivar_in_file_gently(config_filename, key, value, - value_pattern, flags)) + value_pattern, NULL, flags)) return; if (value) die(_("could not set '%s' to '%s'"), key, value); @@ -3467,7 +3541,7 @@ int repo_config_set_multivar_gently(struct repository *r, const char *key, int res = git_config_set_multivar_in_file_gently(file, key, value, value_pattern, - flags); + NULL, flags); free(file); return res; } @@ -290,7 +290,7 @@ int git_config_pathname(const char **, const char *, const char *); int git_config_expiry_date(timestamp_t *, const char *, const char *); int git_config_color(char *, const char *, const char *); -int git_config_set_in_file_gently(const char *, const char *, const char *); +int git_config_set_in_file_gently(const char *, const char *, const char *, const char *); /** * write config values to a specific config file, takes a key/value pair as @@ -336,7 +336,9 @@ int git_config_parse_key(const char *, char **, size_t *); int git_config_set_multivar_gently(const char *, const char *, const char *, unsigned); void git_config_set_multivar(const char *, const char *, const char *, unsigned); int repo_config_set_multivar_gently(struct repository *, const char *, const char *, const char *, unsigned); -int git_config_set_multivar_in_file_gently(const char *, const char *, const char *, const char *, unsigned); +int git_config_set_multivar_in_file_gently(const char *, const char *, const char *, const char *, const char *, unsigned); + +const char *git_config_prepare_comment_string(const char *); /** * takes four parameters: diff --git a/config.mak.uname b/config.mak.uname index dacc95172d..fcf3e2d785 100644 --- a/config.mak.uname +++ b/config.mak.uname @@ -447,7 +447,6 @@ ifeq ($(uname_S),Windows) NO_POLL = YesPlease NO_SYMLINK_HEAD = YesPlease NO_IPV6 = YesPlease - NO_UNIX_SOCKETS = YesPlease NO_SETENV = YesPlease NO_STRCASESTR = YesPlease NO_STRLCPY = YesPlease @@ -638,6 +637,18 @@ ifeq ($(uname_S),NONSTOP_KERNEL) SANE_TOOL_PATH = /usr/coreutils/bin:/usr/local/bin SHELL_PATH = /usr/coreutils/bin/bash endif +ifeq ($(uname_S),OS/390) + NO_SYS_POLL_H = YesPlease + NO_STRCASESTR = YesPlease + NO_REGEX = YesPlease + NO_MMAP = YesPlease + NO_NSEC = YesPlease + NO_STRLCPY = YesPlease + NO_MEMMEM = YesPlease + NO_GECOS_IN_PWENT = YesPlease + HAVE_STRINGS_H = YesPlease + NEEDS_MODE_TRANSLATION = YesPlease +endif ifeq ($(uname_S),MINGW) ifeq ($(shell expr "$(uname_R)" : '1\.'),2) $(error "Building with MSys is no longer supported") @@ -649,7 +660,6 @@ ifeq ($(uname_S),MINGW) NO_LIBGEN_H = YesPlease NO_POLL = YesPlease NO_SYMLINK_HEAD = YesPlease - NO_UNIX_SOCKETS = YesPlease NO_SETENV = YesPlease NO_STRCASESTR = YesPlease NO_STRLCPY = YesPlease diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash index fcf1afd75d..75193ded4b 100644 --- a/contrib/completion/git-completion.bash +++ b/contrib/completion/git-completion.bash @@ -454,16 +454,18 @@ fi # This function is equivalent to # -# __gitcomp "$(git xxx --git-completion-helper) ..." +# ___git_resolved_builtins=$(git xxx --git-completion-helper) # -# except that the output is cached. Accept 1-3 arguments: +# except that the result of the execution is cached. +# +# Accept 1-3 arguments: # 1: the git command to execute, this is also the cache key +# (use "_" when the command contains spaces, e.g. "remote add" +# becomes "remote_add") # 2: extra options to be added on top (e.g. negative forms) # 3: options to be excluded -__gitcomp_builtin () +__git_resolve_builtins () { - # spaces must be replaced with underscore for multi-word - # commands, e.g. "git remote add" becomes remote_add. local cmd="$1" local incl="${2-}" local excl="${3-}" @@ -489,7 +491,24 @@ __gitcomp_builtin () eval "$var=\"$options\"" fi - __gitcomp "$options" + ___git_resolved_builtins="$options" +} + +# This function is equivalent to +# +# __gitcomp "$(git xxx --git-completion-helper) ..." +# +# except that the output is cached. Accept 1-3 arguments: +# 1: the git command to execute, this is also the cache key +# (use "_" when the command contains spaces, e.g. "remote add" +# becomes "remote_add") +# 2: extra options to be added on top (e.g. negative forms) +# 3: options to be excluded +__gitcomp_builtin () +{ + __git_resolve_builtins "$1" "$2" "$3" + + __gitcomp "$___git_resolved_builtins" } # Variation of __gitcomp_nl () that appends to the existing list of @@ -556,6 +575,26 @@ __gitcomp_file () true } +# Find the current subcommand for commands that follow the syntax: +# +# git <command> <subcommand> +# +# 1: List of possible subcommands. +# 2: Optional subcommand to return when none is found. +__git_find_subcommand () +{ + local subcommand subcommands="$1" default_subcommand="$2" + + for subcommand in $subcommands; do + if [ "$subcommand" = "${words[__git_cmd_idx+1]}" ]; then + echo $subcommand + return + fi + done + + echo $default_subcommand +} + # Execute 'git ls-files', unless the --committable option is specified, in # which case it runs 'git diff-index' to find out the files that can be # committed. It return paths relative to the directory specified in the first @@ -2471,13 +2510,30 @@ _git_rebase () _git_reflog () { - local subcommands="show delete expire" - local subcommand="$(__git_find_on_cmdline "$subcommands")" + local subcommands subcommand - if [ -z "$subcommand" ]; then - __gitcomp "$subcommands" - else - __git_complete_refs + __git_resolve_builtins "reflog" + + subcommands="$___git_resolved_builtins" + subcommand="$(__git_find_subcommand "$subcommands" "show")" + + case "$subcommand,$cur" in + show,--*) + __gitcomp " + $__git_log_common_options + " + return + ;; + $subcommand,--*) + __gitcomp_builtin "reflog_$subcommand" + return + ;; + esac + + __git_complete_refs + + if [ $((cword - __git_cmd_idx)) -eq 1 ]; then + __gitcompappend "$subcommands" "" "$cur" " " fi } @@ -3573,7 +3629,7 @@ __git_complete_worktree_paths () # Generate completion reply from worktree list skipping the first # entry: it's the path of the main worktree, which can't be moved, # removed, locked, etc. - __gitcomp_nl "$(git worktree list --porcelain | + __gitcomp_nl "$(__git worktree list --porcelain | sed -n -e '2,$ s/^worktree //p')" } diff --git a/contrib/completion/git-prompt.sh b/contrib/completion/git-prompt.sh index 71f179cba3..5330e769a7 100644 --- a/contrib/completion/git-prompt.sh +++ b/contrib/completion/git-prompt.sh @@ -141,7 +141,7 @@ __git_ps1_show_upstream () # parse configuration values local option - for option in ${GIT_PS1_SHOWUPSTREAM}; do + for option in ${GIT_PS1_SHOWUPSTREAM-}; do case "$option" in git|svn) upstream_type="$option" ;; verbose) verbose=1 ;; @@ -528,7 +528,7 @@ __git_ps1 () fi local conflict="" # state indicator for unresolved conflicts - if [[ "${GIT_PS1_SHOWCONFLICTSTATE}" == "yes" ]] && + if [[ "${GIT_PS1_SHOWCONFLICTSTATE-}" == "yes" ]] && [[ $(git ls-files --unmerged 2>/dev/null) ]]; then conflict="|CONFLICT" fi diff --git a/contrib/coverage-diff.sh b/contrib/coverage-diff.sh index 4ec419f900..6ce9603568 100755 --- a/contrib/coverage-diff.sh +++ b/contrib/coverage-diff.sh @@ -74,8 +74,7 @@ do sort >uncovered_lines.txt comm -12 uncovered_lines.txt new_lines.txt | - sed -e 's/$/\)/' | - sed -e 's/^/ /' >uncovered_new_lines.txt + sed -e 's/$/\)/' -e 's/^/ /' >uncovered_new_lines.txt grep -q '[^[:space:]]' <uncovered_new_lines.txt && echo $file >>coverage-data.txt && @@ -91,11 +90,7 @@ cat coverage-data.txt echo "Commits introducing uncovered code:" -commit_list=$(cat coverage-data.txt | - grep -E '^[0-9a-f]{7,} ' | - awk '{print $1;}' | - sort | - uniq) +commit_list=$(awk '/^[0-9a-f]{7,}/ { print $1 }' coverage-data.txt | sort -u) ( for commit in $commit_list diff --git a/contrib/hg-to-git/hg-to-git.py b/contrib/hg-to-git/hg-to-git.py deleted file mode 100755 index 7eb1b24cc7..0000000000 --- a/contrib/hg-to-git/hg-to-git.py +++ /dev/null @@ -1,254 +0,0 @@ -#!/usr/bin/env python - -""" hg-to-git.py - A Mercurial to GIT converter - - Copyright (C)2007 Stelian Pop <stelian@popies.net> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see <http://www.gnu.org/licenses/>. -""" - -import os, os.path, sys -import tempfile, pickle, getopt -import re - -if sys.hexversion < 0x02030000: - # The behavior of the pickle module changed significantly in 2.3 - sys.stderr.write("hg-to-git.py: requires Python 2.3 or later.\n") - sys.exit(1) - -# Maps hg version -> git version -hgvers = {} -# List of children for each hg revision -hgchildren = {} -# List of parents for each hg revision -hgparents = {} -# Current branch for each hg revision -hgbranch = {} -# Number of new changesets converted from hg -hgnewcsets = 0 - -#------------------------------------------------------------------------------ - -def usage(): - - print("""\ -%s: [OPTIONS] <hgprj> - -options: - -s, --gitstate=FILE: name of the state to be saved/read - for incrementals - -n, --nrepack=INT: number of changesets that will trigger - a repack (default=0, -1 to deactivate) - -v, --verbose: be verbose - -required: - hgprj: name of the HG project to import (directory) -""" % sys.argv[0]) - -#------------------------------------------------------------------------------ - -def getgitenv(user, date): - env = '' - elems = re.compile('(.*?)\s+<(.*)>').match(user) - if elems: - env += 'export GIT_AUTHOR_NAME="%s" ;' % elems.group(1) - env += 'export GIT_COMMITTER_NAME="%s" ;' % elems.group(1) - env += 'export GIT_AUTHOR_EMAIL="%s" ;' % elems.group(2) - env += 'export GIT_COMMITTER_EMAIL="%s" ;' % elems.group(2) - else: - env += 'export GIT_AUTHOR_NAME="%s" ;' % user - env += 'export GIT_COMMITTER_NAME="%s" ;' % user - env += 'export GIT_AUTHOR_EMAIL= ;' - env += 'export GIT_COMMITTER_EMAIL= ;' - - env += 'export GIT_AUTHOR_DATE="%s" ;' % date - env += 'export GIT_COMMITTER_DATE="%s" ;' % date - return env - -#------------------------------------------------------------------------------ - -state = '' -opt_nrepack = 0 -verbose = False - -try: - opts, args = getopt.getopt(sys.argv[1:], 's:t:n:v', ['gitstate=', 'tempdir=', 'nrepack=', 'verbose']) - for o, a in opts: - if o in ('-s', '--gitstate'): - state = a - state = os.path.abspath(state) - if o in ('-n', '--nrepack'): - opt_nrepack = int(a) - if o in ('-v', '--verbose'): - verbose = True - if len(args) != 1: - raise Exception('params') -except: - usage() - sys.exit(1) - -hgprj = args[0] -os.chdir(hgprj) - -if state: - if os.path.exists(state): - if verbose: - print('State does exist, reading') - f = open(state, 'r') - hgvers = pickle.load(f) - else: - print('State does not exist, first run') - -sock = os.popen('hg tip --template "{rev}"') -tip = sock.read() -if sock.close(): - sys.exit(1) -if verbose: - print('tip is', tip) - -# Calculate the branches -if verbose: - print('analysing the branches...') -hgchildren["0"] = () -hgparents["0"] = (None, None) -hgbranch["0"] = "master" -for cset in range(1, int(tip) + 1): - hgchildren[str(cset)] = () - prnts = os.popen('hg log -r %d --template "{parents}"' % cset).read().strip().split(' ') - prnts = map(lambda x: x[:x.find(':')], prnts) - if prnts[0] != '': - parent = prnts[0].strip() - else: - parent = str(cset - 1) - hgchildren[parent] += ( str(cset), ) - if len(prnts) > 1: - mparent = prnts[1].strip() - hgchildren[mparent] += ( str(cset), ) - else: - mparent = None - - hgparents[str(cset)] = (parent, mparent) - - if mparent: - # For merge changesets, take either one, preferably the 'master' branch - if hgbranch[mparent] == 'master': - hgbranch[str(cset)] = 'master' - else: - hgbranch[str(cset)] = hgbranch[parent] - else: - # Normal changesets - # For first children, take the parent branch, for the others create a new branch - if hgchildren[parent][0] == str(cset): - hgbranch[str(cset)] = hgbranch[parent] - else: - hgbranch[str(cset)] = "branch-" + str(cset) - -if "0" not in hgvers: - print('creating repository') - os.system('git init') - -# loop through every hg changeset -for cset in range(int(tip) + 1): - - # incremental, already seen - if str(cset) in hgvers: - continue - hgnewcsets += 1 - - # get info - log_data = os.popen('hg log -r %d --template "{tags}\n{date|date}\n{author}\n"' % cset).readlines() - tag = log_data[0].strip() - date = log_data[1].strip() - user = log_data[2].strip() - parent = hgparents[str(cset)][0] - mparent = hgparents[str(cset)][1] - - #get comment - (fdcomment, filecomment) = tempfile.mkstemp() - csetcomment = os.popen('hg log -r %d --template "{desc}"' % cset).read().strip() - os.write(fdcomment, csetcomment) - os.close(fdcomment) - - print('-----------------------------------------') - print('cset:', cset) - print('branch:', hgbranch[str(cset)]) - print('user:', user) - print('date:', date) - print('comment:', csetcomment) - if parent: - print('parent:', parent) - if mparent: - print('mparent:', mparent) - if tag: - print('tag:', tag) - print('-----------------------------------------') - - # checkout the parent if necessary - if cset != 0: - if hgbranch[str(cset)] == "branch-" + str(cset): - print('creating new branch', hgbranch[str(cset)]) - os.system('git checkout -b %s %s' % (hgbranch[str(cset)], hgvers[parent])) - else: - print('checking out branch', hgbranch[str(cset)]) - os.system('git checkout %s' % hgbranch[str(cset)]) - - # merge - if mparent: - if hgbranch[parent] == hgbranch[str(cset)]: - otherbranch = hgbranch[mparent] - else: - otherbranch = hgbranch[parent] - print('merging', otherbranch, 'into', hgbranch[str(cset)]) - os.system(getgitenv(user, date) + 'git merge --no-commit -s ours "" %s %s' % (hgbranch[str(cset)], otherbranch)) - - # remove everything except .git and .hg directories - os.system('find . \( -path "./.hg" -o -path "./.git" \) -prune -o ! -name "." -print | xargs rm -rf') - - # repopulate with checkouted files - os.system('hg update -C %d' % cset) - - # add new files - os.system('git ls-files -x .hg --others | git update-index --add --stdin') - # delete removed files - os.system('git ls-files -x .hg --deleted | git update-index --remove --stdin') - - # commit - os.system(getgitenv(user, date) + 'git commit --allow-empty --allow-empty-message -a -F %s' % filecomment) - os.unlink(filecomment) - - # tag - if tag and tag != 'tip': - os.system(getgitenv(user, date) + 'git tag %s' % tag) - - # delete branch if not used anymore... - if mparent and len(hgchildren[str(cset)]): - print("Deleting unused branch:", otherbranch) - os.system('git branch -d %s' % otherbranch) - - # retrieve and record the version - vvv = os.popen('git show --quiet --pretty=format:%H').read() - print('record', cset, '->', vvv) - hgvers[str(cset)] = vvv - -if hgnewcsets >= opt_nrepack and opt_nrepack != -1: - os.system('git repack -a -d') - -# write the state for incrementals -if state: - if verbose: - print('Writing state') - f = open(state, 'w') - pickle.dump(hgvers, f) - -# vim: et ts=8 sw=4 sts=4 diff --git a/contrib/hg-to-git/hg-to-git.txt b/contrib/hg-to-git/hg-to-git.txt deleted file mode 100644 index 91f8fe6410..0000000000 --- a/contrib/hg-to-git/hg-to-git.txt +++ /dev/null @@ -1,21 +0,0 @@ -hg-to-git.py is able to convert a Mercurial repository into a git one, -and preserves the branches in the process (unlike tailor) - -hg-to-git.py can probably be greatly improved (it's a rather crude -combination of shell and python) but it does already work quite well for -me. Features: - - supports incremental conversion - (for keeping a git repo in sync with a hg one) - - supports hg branches - - converts hg tags - -Note that the git repository will be created 'in place' (at the same -location as the source hg repo). You will have to manually remove the -'.hg' directory after the conversion. - -Also note that the incremental conversion uses 'simple' hg changesets -identifiers (ordinals, as opposed to SHA-1 ids), and since these ids -are not stable across different repositories the hg-to-git.py state file -is forever tied to one hg repository. - -Stelian Pop <stelian@popies.net> diff --git a/contrib/subtree/t/t7900-subtree.sh b/contrib/subtree/t/t7900-subtree.sh index ca4df5be83..c3bd2a58b9 100755 --- a/contrib/subtree/t/t7900-subtree.sh +++ b/contrib/subtree/t/t7900-subtree.sh @@ -63,7 +63,7 @@ test_create_pre2_32_repo () { git -C "$1" log -1 --format=%B HEAD^2 >msg && test_commit -C "$1-sub" --annotate sub2 && git clone --no-local "$1" "$1-clone" && - new_commit=$(cat msg | sed -e "s/$commit/$tag/" | git -C "$1-clone" commit-tree HEAD^2^{tree}) && + new_commit=$(sed -e "s/$commit/$tag/" msg | git -C "$1-clone" commit-tree HEAD^2^{tree}) && git -C "$1-clone" replace HEAD^2 $new_commit } diff --git a/contrib/vscode/init.sh b/contrib/vscode/init.sh index 521d303722..f2d61bb0e6 100755 --- a/contrib/vscode/init.sh +++ b/contrib/vscode/init.sh @@ -92,7 +92,6 @@ cat >.vscode/settings.json.new <<\EOF || "isexe", "iskeychar", "kompare", - "mksnpath", "mktag", "mktree", "mmblob", @@ -342,14 +342,18 @@ const char *show_date(timestamp_t time, int tz, const struct date_mode *mode) tm->tm_hour, tm->tm_min, tm->tm_sec, tz); else if (mode->type == DATE_ISO8601_STRICT) { - char sign = (tz >= 0) ? '+' : '-'; - tz = abs(tz); - strbuf_addf(&timebuf, "%04d-%02d-%02dT%02d:%02d:%02d%c%02d:%02d", + strbuf_addf(&timebuf, "%04d-%02d-%02dT%02d:%02d:%02d", tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, - tm->tm_hour, tm->tm_min, tm->tm_sec, - sign, tz / 100, tz % 100); + tm->tm_hour, tm->tm_min, tm->tm_sec); + if (tz == 0) { + strbuf_addch(&timebuf, 'Z'); + } else { + strbuf_addch(&timebuf, tz >= 0 ? '+' : '-'); + tz = abs(tz); + strbuf_addf(&timebuf, "%02d:%02d", tz / 100, tz % 100); + } } else if (mode->type == DATE_RFC2822) strbuf_addf(&timebuf, "%.3s, %d %.3s %d %02d:%02d:%02d %+05d", weekday_names[tm->tm_wday], tm->tm_mday, diff --git a/delta-islands.c b/delta-islands.c index ee2318d45a..f7e079425f 100644 --- a/delta-islands.c +++ b/delta-islands.c @@ -284,7 +284,7 @@ void resolve_tree_islands(struct repository *r, if (!tree || parse_tree(tree) < 0) die(_("bad tree object %s"), oid_to_hex(&ent->idx.oid)); - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) { struct object *obj; diff --git a/diff-lib.c b/diff-lib.c index 6c8df04273..683f11e509 100644 --- a/diff-lib.c +++ b/diff-lib.c @@ -127,7 +127,16 @@ void run_diff_files(struct rev_info *revs, unsigned int option) if (diff_can_quit_early(&revs->diffopt)) break; - if (!ce_path_match(istate, ce, &revs->prune_data, NULL)) + /* + * NEEDSWORK: + * Here we filter with pathspec but the result is further + * filtered out when --relative is in effect. To end-users, + * a pathspec element that matched only to paths outside the + * current directory is like not matching anything at all; + * the handling of ps_matched[] here may become problematic + * if/when we add the "--error-unmatch" option to "git diff". + */ + if (!ce_path_match(istate, ce, &revs->prune_data, revs->ps_matched)) continue; if (revs->diffopt.prefix && @@ -562,7 +571,7 @@ static int diff_cache(struct rev_info *revs, opts.pathspec = &revs->diffopt.pathspec; opts.pathspec->recursive = 1; - init_tree_desc(&t, tree->buffer, tree->size); + init_tree_desc(&t, &tree->object.oid, tree->buffer, tree->size); return unpack_trees(1, &t, &opts); } @@ -570,7 +579,7 @@ void diff_get_merge_base(const struct rev_info *revs, struct object_id *mb) { int i; struct commit *mb_child[2] = {0}; - struct commit_list *merge_bases; + struct commit_list *merge_bases = NULL; for (i = 0; i < revs->pending.nr; i++) { struct object *obj = revs->pending.objects[i].item; @@ -597,7 +606,8 @@ void diff_get_merge_base(const struct rev_info *revs, struct object_id *mb) mb_child[1] = lookup_commit_reference(the_repository, &oid); } - merge_bases = repo_get_merge_bases(the_repository, mb_child[0], mb_child[1]); + if (repo_get_merge_bases(the_repository, mb_child[0], mb_child[1], &merge_bases) < 0) + exit(128); if (!merge_bases) die(_("no merge base found")); if (merge_bases->next) @@ -62,6 +62,8 @@ static const char *diff_order_file_cfg; int diff_auto_refresh_index = 1; static int diff_mnemonic_prefix; static int diff_no_prefix; +static const char *diff_src_prefix = "a/"; +static const char *diff_dst_prefix = "b/"; static int diff_relative; static int diff_stat_name_width; static int diff_stat_graph_width; @@ -408,6 +410,12 @@ int git_diff_ui_config(const char *var, const char *value, diff_no_prefix = git_config_bool(var, value); return 0; } + if (!strcmp(var, "diff.srcprefix")) { + return git_config_string(&diff_src_prefix, var, value); + } + if (!strcmp(var, "diff.dstprefix")) { + return git_config_string(&diff_dst_prefix, var, value); + } if (!strcmp(var, "diff.relative")) { diff_relative = git_config_bool(var, value); return 0; @@ -3425,8 +3433,8 @@ void diff_set_noprefix(struct diff_options *options) void diff_set_default_prefix(struct diff_options *options) { - options->a_prefix = "a/"; - options->b_prefix = "b/"; + options->a_prefix = diff_src_prefix; + options->b_prefix = diff_dst_prefix; } struct userdiff_driver *get_textconv(struct repository *r, @@ -5362,6 +5370,8 @@ static int diff_opt_default_prefix(const struct option *opt, BUG_ON_OPT_NEG(unset); BUG_ON_OPT_ARG(optarg); + diff_src_prefix = "a/"; + diff_dst_prefix = "b/"; diff_set_default_prefix(options); return 0; } @@ -3918,6 +3918,26 @@ void untracked_cache_invalidate_path(struct index_state *istate, path, strlen(path)); } +void untracked_cache_invalidate_trimmed_path(struct index_state *istate, + const char *path, + int safe_path) +{ + size_t len = strlen(path); + + if (!len) + BUG("untracked_cache_invalidate_trimmed_path given zero length path"); + + if (path[len - 1] != '/') { + untracked_cache_invalidate_path(istate, path, safe_path); + } else { + struct strbuf tmp = STRBUF_INIT; + + strbuf_add(&tmp, path, len - 1); + untracked_cache_invalidate_path(istate, tmp.buf, safe_path); + strbuf_release(&tmp); + } +} + void untracked_cache_remove_from_index(struct index_state *istate, const char *path) { @@ -576,6 +576,13 @@ int cmp_dir_entry(const void *p1, const void *p2); int check_dir_entry_contains(const struct dir_entry *out, const struct dir_entry *in); void untracked_cache_invalidate_path(struct index_state *, const char *, int safe_path); +/* + * Invalidate the untracked-cache for this path, but first strip + * off a trailing slash, if present. + */ +void untracked_cache_invalidate_trimmed_path(struct index_state *, + const char *path, + int safe_path); void untracked_cache_remove_from_index(struct index_state *, const char *); void untracked_cache_add_to_index(struct index_state *, const char *); diff --git a/environment.c b/environment.c index 90632a39bc..a73ba9c12c 100644 --- a/environment.c +++ b/environment.c @@ -110,7 +110,7 @@ int protect_ntfs = PROTECT_NTFS_DEFAULT; * The character that begins a commented line in user-editable file * that is subject to stripspace. */ -char comment_line_char = '#'; +const char *comment_line_str = "#"; int auto_comment_line_char; /* Parallel index stat data preload? */ @@ -207,6 +207,9 @@ void setup_git_env(const char *git_dir) shallow_file = getenv(GIT_SHALLOW_FILE_ENVIRONMENT); if (shallow_file) set_alternate_shallow_file(the_repository, shallow_file, 0); + + if (git_env_bool(NO_LAZY_FETCH_ENVIRONMENT, 0)) + fetch_if_missing = 0; } int is_bare_repository(void) diff --git a/environment.h b/environment.h index e5351c9dd9..05fd94d7be 100644 --- a/environment.h +++ b/environment.h @@ -8,7 +8,7 @@ struct strvec; * The character that begins a commented line in user-editable file * that is subject to stripspace. */ -extern char comment_line_char; +extern const char *comment_line_str; extern int auto_comment_line_char; /* @@ -36,6 +36,7 @@ const char *getenv_safe(struct strvec *argv, const char *name); #define CEILING_DIRECTORIES_ENVIRONMENT "GIT_CEILING_DIRECTORIES" #define NO_REPLACE_OBJECTS_ENVIRONMENT "GIT_NO_REPLACE_OBJECTS" #define GIT_REPLACE_REF_BASE_ENVIRONMENT "GIT_REPLACE_REF_BASE" +#define NO_LAZY_FETCH_ENVIRONMENT "GIT_NO_LAZY_FETCH" #define GITATTRIBUTES_FILE ".gitattributes" #define INFOATTRIBUTES_FILE "info/attributes" #define ATTRIBUTE_MACRO_PREFIX "[attr]" diff --git a/fmt-merge-msg.c b/fmt-merge-msg.c index 66e47449a0..ae201e21db 100644 --- a/fmt-merge-msg.c +++ b/fmt-merge-msg.c @@ -321,7 +321,7 @@ static void credit_people(struct strbuf *out, skip_prefix(me, them->items->string, &me) && starts_with(me, " <"))) return; - strbuf_addf(out, "\n%c %s ", comment_line_char, label); + strbuf_addf(out, "\n%s %s ", comment_line_str, label); add_people_count(out, them); } @@ -510,7 +510,7 @@ static void fmt_tag_signature(struct strbuf *tagbuf, if (sig->len) { strbuf_addch(tagbuf, '\n'); strbuf_add_commented_lines(tagbuf, sig->buf, sig->len, - comment_line_char); + comment_line_str); } } @@ -557,7 +557,7 @@ static void fmt_merge_msg_sigs(struct strbuf *out) strbuf_add_commented_lines(&tagline, origins.items[first_tag].string, strlen(origins.items[first_tag].string), - comment_line_char); + comment_line_str); strbuf_insert(&tagbuf, 0, tagline.buf, tagline.len); strbuf_release(&tagline); @@ -566,7 +566,7 @@ static void fmt_merge_msg_sigs(struct strbuf *out) strbuf_add_commented_lines(&tagbuf, origins.items[i].string, strlen(origins.items[i].string), - comment_line_char); + comment_line_str); fmt_tag_signature(&tagbuf, &sig, buf, len); } strbuf_release(&payload); @@ -327,7 +327,8 @@ static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *op return -1; name = fsck_get_object_name(options, &tree->object.oid); - if (init_tree_desc_gently(&desc, tree->buffer, tree->size, 0)) + if (init_tree_desc_gently(&desc, &tree->object.oid, + tree->buffer, tree->size, 0)) return -1; while (tree_entry_gently(&desc, &entry)) { struct object *obj; @@ -598,7 +599,8 @@ static int fsck_tree(const struct object_id *tree_oid, const char *o_name; struct name_stack df_dup_candidates = { NULL }; - if (init_tree_desc_gently(&desc, buffer, size, TREE_DESC_RAW_MODES)) { + if (init_tree_desc_gently(&desc, tree_oid, buffer, size, + TREE_DESC_RAW_MODES)) { retval += report(options, tree_oid, OBJ_TREE, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree"); diff --git a/fsmonitor.c b/fsmonitor.c index f670c50937..2b17d60bbb 100644 --- a/fsmonitor.c +++ b/fsmonitor.c @@ -5,6 +5,7 @@ #include "ewah/ewok.h" #include "fsmonitor.h" #include "fsmonitor-ipc.h" +#include "name-hash.h" #include "run-command.h" #include "strbuf.h" #include "trace2.h" @@ -183,79 +184,282 @@ static int query_fsmonitor_hook(struct repository *r, return result; } -static void fsmonitor_refresh_callback(struct index_state *istate, char *name) +/* + * Invalidate the FSM bit on this CE. This is like mark_fsmonitor_invalid() + * but we've already handled the untracked-cache, so let's not repeat that + * work. This also lets us have a different trace message so that we can + * see everything that was done as part of the refresh-callback. + */ +static void invalidate_ce_fsm(struct cache_entry *ce) { - int i, len = strlen(name); - int pos = index_name_pos(istate, name, len); + if (ce->ce_flags & CE_FSMONITOR_VALID) { + trace_printf_key(&trace_fsmonitor, + "fsmonitor_refresh_callback INV: '%s'", + ce->name); + ce->ce_flags &= ~CE_FSMONITOR_VALID; + } +} + +static size_t handle_path_with_trailing_slash( + struct index_state *istate, const char *name, int pos); + +/* + * Use the name-hash to do a case-insensitive cache-entry lookup with + * the pathname and invalidate the cache-entry. + * + * Returns the number of cache-entries that we invalidated. + */ +static size_t handle_using_name_hash_icase( + struct index_state *istate, const char *name) +{ + struct cache_entry *ce = NULL; + + ce = index_file_exists(istate, name, strlen(name), 1); + if (!ce) + return 0; + /* + * A case-insensitive search in the name-hash using the + * observed pathname found a cache-entry, so the observed path + * is case-incorrect. Invalidate the cache-entry and use the + * correct spelling from the cache-entry to invalidate the + * untracked-cache. Since we now have sparse-directories in + * the index, the observed pathname may represent a regular + * file or a sparse-index directory. + * + * Note that we should not have seen FSEvents for a + * sparse-index directory, but we handle it just in case. + * + * Either way, we know that there are not any cache-entries for + * children inside the cone of the directory, so we don't need to + * do the usual scan. + */ trace_printf_key(&trace_fsmonitor, - "fsmonitor_refresh_callback '%s' (pos %d)", - name, pos); + "fsmonitor_refresh_callback MAP: '%s' '%s'", + name, ce->name); - if (name[len - 1] == '/') { - /* - * The daemon can decorate directory events, such as - * moves or renames, with a trailing slash if the OS - * FS Event contains sufficient information, such as - * MacOS. - * - * Use this to invalidate the entire cone under that - * directory. - * - * We do not expect an exact match because the index - * does not normally contain directory entries, so we - * start at the insertion point and scan. - */ - if (pos < 0) - pos = -pos - 1; + /* + * NEEDSWORK: We used the name-hash to find the correct + * case-spelling of the pathname in the cache-entry[], so + * technically this is a tracked file or a sparse-directory. + * It should not have any entries in the untracked-cache, so + * we should not need to use the case-corrected spelling to + * invalidate the the untracked-cache. So we may not need to + * do this. For now, I'm going to be conservative and always + * do it; we can revisit this later. + */ + untracked_cache_invalidate_trimmed_path(istate, ce->name, 0); - /* Mark all entries for the folder invalid */ - for (i = pos; i < istate->cache_nr; i++) { - if (!starts_with(istate->cache[i]->name, name)) - break; - istate->cache[i]->ce_flags &= ~CE_FSMONITOR_VALID; - } + invalidate_ce_fsm(ce); + return 1; +} + +/* + * Use the dir-name-hash to find the correct-case spelling of the + * directory. Use the canonical spelling to invalidate all of the + * cache-entries within the matching cone. + * + * Returns the number of cache-entries that we invalidated. + */ +static size_t handle_using_dir_name_hash_icase( + struct index_state *istate, const char *name) +{ + struct strbuf canonical_path = STRBUF_INIT; + int pos; + size_t len = strlen(name); + size_t nr_in_cone; + + if (name[len - 1] == '/') + len--; + + if (!index_dir_find(istate, name, len, &canonical_path)) + return 0; /* name is untracked */ + if (!memcmp(name, canonical_path.buf, canonical_path.len)) { + strbuf_release(&canonical_path); /* - * We need to remove the traling "/" from the path - * for the untracked cache. + * NEEDSWORK: Our caller already tried an exact match + * and failed to find one. They called us to do an + * ICASE match, so we should never get an exact match, + * so we could promote this to a BUG() here if we + * wanted to. It doesn't hurt anything to just return + * 0 and go on because we should never get here. Or we + * could just get rid of the memcmp() and this "if" + * clause completely. */ - name[len - 1] = '\0'; - } else if (pos >= 0) { + BUG("handle_using_dir_name_hash_icase(%s) did not exact match", + name); + } + + trace_printf_key(&trace_fsmonitor, + "fsmonitor_refresh_callback MAP: '%s' '%s'", + name, canonical_path.buf); + + /* + * The dir-name-hash only tells us the corrected spelling of + * the prefix. We have to use this canonical path to do a + * lookup in the cache-entry array so that we repeat the + * original search using the case-corrected spelling. + */ + strbuf_addch(&canonical_path, '/'); + pos = index_name_pos(istate, canonical_path.buf, + canonical_path.len); + nr_in_cone = handle_path_with_trailing_slash( + istate, canonical_path.buf, pos); + strbuf_release(&canonical_path); + return nr_in_cone; +} + +/* + * The daemon sent an observed pathname without a trailing slash. + * (This is the normal case.) We do not know if it is a tracked or + * untracked file, a sparse-directory, or a populated directory (on a + * platform such as Windows where FSEvents are not qualified). + * + * The pathname contains the observed case reported by the FS. We + * do not know it is case-correct or -incorrect. + * + * Assume it is case-correct and try an exact match. + * + * Return the number of cache-entries that we invalidated. + */ +static size_t handle_path_without_trailing_slash( + struct index_state *istate, const char *name, int pos) +{ + /* + * Mark the untracked cache dirty for this path (regardless of + * whether or not we find an exact match for it in the index). + * Since the path is unqualified (no trailing slash hint in the + * FSEvent), it may refer to a file or directory. So we should + * not assume one or the other and should always let the untracked + * cache decide what needs to invalidated. + */ + untracked_cache_invalidate_trimmed_path(istate, name, 0); + + if (pos >= 0) { /* - * We have an exact match for this path and can just - * invalidate it. + * An exact match on a tracked file. We assume that we + * do not need to scan forward for a sparse-directory + * cache-entry with the same pathname, nor for a cone + * at that directory. (That is, assume no D/F conflicts.) */ - istate->cache[pos]->ce_flags &= ~CE_FSMONITOR_VALID; + invalidate_ce_fsm(istate->cache[pos]); + return 1; } else { + size_t nr_in_cone; + struct strbuf work_path = STRBUF_INIT; + /* - * The path is not a tracked file -or- it is a - * directory event on a platform that cannot - * distinguish between file and directory events in - * the event handler, such as Windows. - * - * Scan as if it is a directory and invalidate the - * cone under it. (But remember to ignore items - * between "name" and "name/", such as "name-" and - * "name.". + * The negative "pos" gives us the suggested insertion + * point for the pathname (without the trailing slash). + * We need to see if there is a directory with that + * prefix, but there can be lots of pathnames between + * "foo" and "foo/" like "foo-" or "foo-bar", so we + * don't want to do our own scan. */ + strbuf_add(&work_path, name, strlen(name)); + strbuf_addch(&work_path, '/'); + pos = index_name_pos(istate, work_path.buf, work_path.len); + nr_in_cone = handle_path_with_trailing_slash( + istate, work_path.buf, pos); + strbuf_release(&work_path); + return nr_in_cone; + } +} + +/* + * The daemon can decorate directory events, such as a move or rename, + * by adding a trailing slash to the observed name. Use this to + * explicitly invalidate the entire cone under that directory. + * + * The daemon can only reliably do that if the OS FSEvent contains + * sufficient information in the event. + * + * macOS FSEvents have enough information. + * + * Other platforms may or may not be able to do it (and it might + * depend on the type of event (for example, a daemon could lstat() an + * observed pathname after a rename, but not after a delete)). + * + * If we find an exact match in the index for a path with a trailing + * slash, it means that we matched a sparse-index directory in a + * cone-mode sparse-checkout (since that's the only time we have + * directories in the index). We should never see this in practice + * (because sparse directories should not be present and therefore + * not generating FS events). Either way, we can treat them in the + * same way and just invalidate the cache-entry and the untracked + * cache (and in this case, the forward cache-entry scan won't find + * anything and it doesn't hurt to let it run). + * + * Return the number of cache-entries that we invalidated. We will + * use this later to determine if we need to attempt a second + * case-insensitive search on case-insensitive file systems. That is, + * if the search using the observed-case in the FSEvent yields any + * results, we assume the prefix is case-correct. If there are no + * matches, we still don't know if the observed path is simply + * untracked or case-incorrect. + */ +static size_t handle_path_with_trailing_slash( + struct index_state *istate, const char *name, int pos) +{ + int i; + size_t nr_in_cone = 0; + + /* + * Mark the untracked cache dirty for this directory path + * (regardless of whether or not we find an exact match for it + * in the index or find it to be proper prefix of one or more + * files in the index), since the FSEvent is hinting that + * there may be changes on or within the directory. + */ + untracked_cache_invalidate_trimmed_path(istate, name, 0); + + if (pos < 0) pos = -pos - 1; - for (i = pos; i < istate->cache_nr; i++) { - if (!starts_with(istate->cache[i]->name, name)) - break; - if ((unsigned char)istate->cache[i]->name[len] > '/') - break; - if (istate->cache[i]->name[len] == '/') - istate->cache[i]->ce_flags &= ~CE_FSMONITOR_VALID; - } + /* Mark all entries for the folder invalid */ + for (i = pos; i < istate->cache_nr; i++) { + if (!starts_with(istate->cache[i]->name, name)) + break; + invalidate_ce_fsm(istate->cache[i]); + nr_in_cone++; } + return nr_in_cone; +} + +static void fsmonitor_refresh_callback(struct index_state *istate, char *name) +{ + int len = strlen(name); + int pos = index_name_pos(istate, name, len); + size_t nr_in_cone; + + trace_printf_key(&trace_fsmonitor, + "fsmonitor_refresh_callback '%s' (pos %d)", + name, pos); + + if (name[len - 1] == '/') + nr_in_cone = handle_path_with_trailing_slash(istate, name, pos); + else + nr_in_cone = handle_path_without_trailing_slash(istate, name, pos); + /* - * Mark the untracked cache dirty even if it wasn't found in the index - * as it could be a new untracked file. + * If we did not find an exact match for this pathname or any + * cache-entries with this directory prefix and we're on a + * case-insensitive file system, try again using the name-hash + * and dir-name-hash. */ - untracked_cache_invalidate_path(istate, name, 0); + if (!nr_in_cone && ignore_case) { + nr_in_cone = handle_using_name_hash_icase(istate, name); + if (!nr_in_cone) + nr_in_cone = handle_using_dir_name_hash_icase( + istate, name); + } + + if (nr_in_cone) + trace_printf_key(&trace_fsmonitor, + "fsmonitor_refresh_callback CNT: %d", + (int)nr_in_cone); } /* diff --git a/git-compat-util.h b/git-compat-util.h index 7c2a6538e5..044f87454a 100644 --- a/git-compat-util.h +++ b/git-compat-util.h @@ -218,6 +218,18 @@ struct strbuf; #define GIT_WINDOWS_NATIVE #endif +#if defined(NO_UNIX_SOCKETS) || !defined(GIT_WINDOWS_NATIVE) +static inline int _have_unix_sockets(void) +{ +#if defined(NO_UNIX_SOCKETS) + return 0; +#else + return 1; +#endif +} +#define have_unix_sockets _have_unix_sockets +#endif + #include <unistd.h> #include <stdio.h> #include <sys/stat.h> diff --git a/git-curl-compat.h b/git-curl-compat.h index fd96b3cdff..e1d0bdd273 100644 --- a/git-curl-compat.h +++ b/git-curl-compat.h @@ -127,6 +127,15 @@ #endif /** + * Versions before curl 7.66.0 (September 2019) required manually setting the + * transfer-encoding for a streaming POST; after that this is handled + * automatically. + */ +#if LIBCURL_VERSION_NUM < 0x074200 +#define GIT_CURL_NEED_TRANSFER_ENCODING_HEADER +#endif + +/** * CURLOPT_PROTOCOLS_STR and CURLOPT_REDIR_PROTOCOLS_STR were added in 7.85.0, * released in August 2022. */ diff --git a/git-quiltimport.sh b/git-quiltimport.sh index e3d3909743..eb34cda409 100755 --- a/git-quiltimport.sh +++ b/git-quiltimport.sh @@ -148,7 +148,7 @@ do if [ -z "$dry_run" ] ; then git apply --index -C1 ${level:+"$level"} "$tmp_patch" && tree=$(git write-tree) && - commit=$( (echo "$SUBJECT"; echo; cat "$tmp_msg") | git commit-tree $tree -p $commit) && + commit=$( { echo "$SUBJECT"; echo; cat "$tmp_msg"; } | git commit-tree $tree -p $commit) && git update-ref -m "quiltimport: $patch_name" HEAD $commit || exit 4 fi done 3<"$QUILT_SERIES" @@ -4,6 +4,7 @@ #include "exec-cmd.h" #include "gettext.h" #include "help.h" +#include "object-file.h" #include "pager.h" #include "read-cache-ll.h" #include "run-command.h" @@ -186,6 +187,11 @@ static int handle_options(const char ***argv, int *argc, int *envchanged) use_pager = 0; if (envchanged) *envchanged = 1; + } else if (!strcmp(cmd, "--no-lazy-fetch")) { + fetch_if_missing = 0; + setenv(NO_LAZY_FETCH_ENVIRONMENT, "1", 1); + if (envchanged) + *envchanged = 1; } else if (!strcmp(cmd, "--no-replace-objects")) { disable_replace_refs(); setenv(NO_REPLACE_OBJECTS_ENVIRONMENT, "1", 1); @@ -373,8 +379,6 @@ static int handle_alias(int *argcp, const char ***argv) strvec_pushv(&child.args, (*argv) + 1); trace2_cmd_alias(alias_command, child.args.v); - trace2_cmd_list_config(); - trace2_cmd_list_env_vars(); trace2_cmd_name("_run_shell_alias_"); ret = run_command(&child); @@ -411,8 +415,6 @@ static int handle_alias(int *argcp, const char ***argv) COPY_ARRAY(new_argv + count, *argv + 1, *argcp); trace2_cmd_alias(alias_command, new_argv); - trace2_cmd_list_config(); - trace2_cmd_list_env_vars(); *argv = new_argv; *argcp += count - 1; @@ -462,8 +464,6 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv) trace_argv_printf(argv, "trace: built-in: git"); trace2_cmd_name(p->cmd); - trace2_cmd_list_config(); - trace2_cmd_list_env_vars(); validate_cache_entries(the_repository->index); status = p->fn(argc, argv, prefix); diff --git a/gpg-interface.c b/gpg-interface.c index 95e764acb1..b5993385ff 100644 --- a/gpg-interface.c +++ b/gpg-interface.c @@ -586,8 +586,8 @@ static int verify_ssh_signed_buffer(struct signature_check *sigc, } } - strbuf_stripspace(&ssh_keygen_out, '\0'); - strbuf_stripspace(&ssh_keygen_err, '\0'); + strbuf_stripspace(&ssh_keygen_out, NULL); + strbuf_stripspace(&ssh_keygen_err, NULL); /* Add stderr outputs to show the user actual ssh-keygen errors */ strbuf_add(&ssh_keygen_out, ssh_principals_err.buf, ssh_principals_err.len); strbuf_add(&ssh_keygen_out, ssh_keygen_err.buf, ssh_keygen_err.len); @@ -621,7 +621,7 @@ static struct grep_expr *compile_pattern_atom(struct grep_pat **list) *list = p->next; x = compile_pattern_or(list); if (!*list || (*list)->token != GREP_CLOSE_PAREN) - die("unmatched parenthesis"); + die("unmatched ( for expression group"); *list = (*list)->next; return x; default: @@ -792,7 +792,7 @@ void compile_grep_patterns(struct grep_opt *opt) if (p) opt->pattern_expression = compile_pattern_expr(&p); if (p) - die("incomplete pattern expression: %s", p->pattern); + die("incomplete pattern expression group: %s", p->pattern); if (opt->no_body_match && opt->pattern_expression) opt->pattern_expression = grep_not_expr(opt->pattern_expression); @@ -145,6 +145,7 @@ struct object_id { #define GET_OID_RECORD_PATH 0200 #define GET_OID_ONLY_TO_DIE 04000 #define GET_OID_REQUIRE_PATH 010000 +#define GET_OID_HASH_ANY 020000 #define GET_OID_DISAMBIGUATORS \ (GET_OID_COMMIT | GET_OID_COMMITTISH | \ @@ -73,10 +73,15 @@ static inline void oidclr(struct object_id *oid) oid->algo = hash_algo_by_ptr(the_hash_algo); } +static inline void oidread_algop(struct object_id *oid, const unsigned char *hash, const struct git_hash_algo *algop) +{ + memcpy(oid->hash, hash, algop->rawsz); + oid->algo = hash_algo_by_ptr(algop); +} + static inline void oidread(struct object_id *oid, const unsigned char *hash) { - memcpy(oid->hash, hash, the_hash_algo->rawsz); - oid->algo = hash_algo_by_ptr(the_hash_algo); + oidread_algop(oid, hash, the_hash_algo); } static inline int is_empty_blob_sha1(const unsigned char *sha1) diff --git a/http-push.c b/http-push.c index 12d1113741..1fe51226fd 100644 --- a/http-push.c +++ b/http-push.c @@ -1307,7 +1307,7 @@ static struct object_list **process_tree(struct tree *tree, obj->flags |= SEEN; p = add_one_object(obj, p); - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) switch (object_type(entry.mode)) { @@ -1575,8 +1575,11 @@ static int verify_merge_base(struct object_id *head_oid, struct ref *remote) struct commit *head = lookup_commit_or_die(head_oid, "HEAD"); struct commit *branch = lookup_commit_or_die(&remote->old_oid, remote->name); + int ret = repo_in_merge_bases(the_repository, branch, head); - return repo_in_merge_bases(the_repository, branch, head); + if (ret < 0) + exit(128); + return ret; } static int delete_remote_branch(const char *pattern, int force) @@ -1452,6 +1452,7 @@ struct active_request_slot *get_active_slot(void) curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, NULL); curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, NULL); curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDS, NULL); + curl_easy_setopt(slot->curl, CURLOPT_POSTFIELDSIZE, -1L); curl_easy_setopt(slot->curl, CURLOPT_UPLOAD, 0); curl_easy_setopt(slot->curl, CURLOPT_HTTPGET, 1); curl_easy_setopt(slot->curl, CURLOPT_FAILONERROR, 1); diff --git a/imap-send.c b/imap-send.c index f2e1947e63..4caa8668e6 100644 --- a/imap-send.c +++ b/imap-send.c @@ -68,9 +68,6 @@ static void imap_warn(const char *, ...); static char *next_arg(char **); -__attribute__((format (printf, 3, 4))) -static int nfsnprintf(char *buf, int blen, const char *fmt, ...); - static int nfvasprintf(char **strp, const char *fmt, va_list ap) { int len; @@ -500,19 +497,6 @@ static char *next_arg(char **s) return ret; } -__attribute__((format (printf, 3, 4))) -static int nfsnprintf(char *buf, int blen, const char *fmt, ...) -{ - int ret; - va_list va; - - va_start(va, fmt); - if (blen <= 0 || (unsigned)(ret = vsnprintf(buf, blen, fmt, va)) >= (unsigned)blen) - BUG("buffer too small. Please report a bug."); - va_end(va); - return ret; -} - static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx, struct imap_cmd_cb *cb, const char *fmt, va_list ap) @@ -535,11 +519,11 @@ static struct imap_cmd *issue_imap_cmd(struct imap_store *ctx, get_cmd_result(ctx, NULL); if (!cmd->cb.data) - bufl = nfsnprintf(buf, sizeof(buf), "%d %s\r\n", cmd->tag, cmd->cmd); + bufl = xsnprintf(buf, sizeof(buf), "%d %s\r\n", cmd->tag, cmd->cmd); else - bufl = nfsnprintf(buf, sizeof(buf), "%d %s{%d%s}\r\n", - cmd->tag, cmd->cmd, cmd->cb.dlen, - CAP(LITERALPLUS) ? "+" : ""); + bufl = xsnprintf(buf, sizeof(buf), "%d %s{%d%s}\r\n", + cmd->tag, cmd->cmd, cmd->cb.dlen, + CAP(LITERALPLUS) ? "+" : ""); if (0 < verbosity) { if (imap->num_in_progress) diff --git a/list-objects-filter.c b/list-objects-filter.c index da287cc8e0..4346f8da45 100644 --- a/list-objects-filter.c +++ b/list-objects-filter.c @@ -711,15 +711,6 @@ static void filter_combine__free(void *filter_data) free(d); } -static void add_all(struct oidset *dest, struct oidset *src) { - struct oidset_iter iter; - struct object_id *src_oid; - - oidset_iter_init(src, &iter); - while ((src_oid = oidset_iter_next(&iter)) != NULL) - oidset_insert(dest, src_oid); -} - static void filter_combine__finalize_omits( struct oidset *omits, void *filter_data) @@ -728,7 +719,7 @@ static void filter_combine__finalize_omits( size_t sub; for (sub = 0; sub < d->nr; sub++) { - add_all(omits, &d->sub[sub].omits); + oidset_insert_from_set(omits, &d->sub[sub].omits); oidset_clear(&d->sub[sub].omits); } } diff --git a/list-objects.c b/list-objects.c index f39b68faf5..11ad8be411 100644 --- a/list-objects.c +++ b/list-objects.c @@ -102,7 +102,7 @@ static void process_tree_contents(struct traversal_context *ctx, enum interesting match = ctx->revs->diffopt.pathspec.nr == 0 ? all_entries_interesting : entry_not_interesting; - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) { if (match != all_entries_interesting) { diff --git a/lockfile.h b/lockfile.h index 90af4e66b2..1bb9926497 100644 --- a/lockfile.h +++ b/lockfile.h @@ -321,11 +321,11 @@ static inline int commit_lock_file_to(struct lock_file *lk, const char *path) * Roll back `lk`: close the file descriptor and/or file pointer and * remove the lockfile. It is a NOOP to call `rollback_lock_file()` * for a `lock_file` object that has already been committed or rolled - * back. + * back. No error will be returned in this case. */ -static inline void rollback_lock_file(struct lock_file *lk) +static inline int rollback_lock_file(struct lock_file *lk) { - delete_tempfile(&lk->tempfile); + return delete_tempfile(&lk->tempfile); } #endif /* LOCKFILE_H */ diff --git a/log-tree.c b/log-tree.c index 337b9334cd..59eeaef1f7 100644 --- a/log-tree.c +++ b/log-tree.c @@ -470,16 +470,19 @@ void fmt_output_email_subject(struct strbuf *sb, struct rev_info *opt) } void log_write_email_headers(struct rev_info *opt, struct commit *commit, - const char **extra_headers_p, + char **extra_headers_p, int *need_8bit_cte_p, int maybe_multipart) { - const char *extra_headers = opt->extra_headers; + struct strbuf headers = STRBUF_INIT; const char *name = oid_to_hex(opt->zero_commit ? null_oid() : &commit->object.oid); *need_8bit_cte_p = 0; /* unknown */ + if (opt->extra_headers && *opt->extra_headers) + strbuf_addstr(&headers, opt->extra_headers); + fprintf(opt->diffopt.file, "From %s Mon Sep 17 00:00:00 2001\n", name); graph_show_oneline(opt->graph); if (opt->message_id) { @@ -496,16 +499,13 @@ void log_write_email_headers(struct rev_info *opt, struct commit *commit, graph_show_oneline(opt->graph); } if (opt->mime_boundary && maybe_multipart) { - static struct strbuf subject_buffer = STRBUF_INIT; static struct strbuf buffer = STRBUF_INIT; struct strbuf filename = STRBUF_INIT; *need_8bit_cte_p = -1; /* NEVER */ - strbuf_reset(&subject_buffer); strbuf_reset(&buffer); - strbuf_addf(&subject_buffer, - "%s" + strbuf_addf(&headers, "MIME-Version: 1.0\n" "Content-Type: multipart/mixed;" " boundary=\"%s%s\"\n" @@ -516,10 +516,8 @@ void log_write_email_headers(struct rev_info *opt, struct commit *commit, "Content-Type: text/plain; " "charset=UTF-8; format=fixed\n" "Content-Transfer-Encoding: 8bit\n\n", - extra_headers ? extra_headers : "", mime_boundary_leader, opt->mime_boundary, mime_boundary_leader, opt->mime_boundary); - extra_headers = subject_buffer.buf; if (opt->numbered_files) strbuf_addf(&filename, "%d", opt->nr); @@ -539,7 +537,7 @@ void log_write_email_headers(struct rev_info *opt, struct commit *commit, opt->diffopt.stat_sep = buffer.buf; strbuf_release(&filename); } - *extra_headers_p = extra_headers; + *extra_headers_p = headers.len ? strbuf_detach(&headers, NULL) : NULL; } static void show_sig_lines(struct rev_info *opt, int status, const char *bol) @@ -678,7 +676,6 @@ void show_log(struct rev_info *opt) struct log_info *log = opt->loginfo; struct commit *commit = log->commit, *parent = log->parent; int abbrev_commit = opt->abbrev_commit ? opt->abbrev : the_hash_algo->hexsz; - const char *extra_headers = opt->extra_headers; struct pretty_print_context ctx = {0}; opt->loginfo = NULL; @@ -739,10 +736,9 @@ void show_log(struct rev_info *opt) */ if (cmit_fmt_is_mail(opt->commit_format)) { - log_write_email_headers(opt, commit, &extra_headers, + log_write_email_headers(opt, commit, &ctx.after_subject, &ctx.need_8bit_cte, 1); ctx.rev = opt; - ctx.print_email_subject = 1; } else if (opt->commit_format != CMIT_FMT_USERFORMAT) { fputs(diff_get_color_opt(&opt->diffopt, DIFF_COMMIT), opt->diffopt.file); if (opt->commit_format != CMIT_FMT_ONELINE) @@ -808,7 +804,6 @@ void show_log(struct rev_info *opt) ctx.date_mode = opt->date_mode; ctx.date_mode_explicit = opt->date_mode_explicit; ctx.abbrev = opt->diffopt.abbrev; - ctx.after_subject = extra_headers; ctx.preserve_subject = opt->preserve_subject; ctx.encode_email_headers = opt->encode_email_headers; ctx.reflog_info = opt->reflog_info; @@ -857,6 +852,7 @@ void show_log(struct rev_info *opt) strbuf_release(&msgbuf); free(ctx.notes_message); + free(ctx.after_subject); if (cmit_fmt_is_mail(ctx.fmt) && opt->idiff_oid1) { struct diff_queue_struct dq; @@ -1011,7 +1007,7 @@ static int do_remerge_diff(struct rev_info *opt, struct object_id *oid) { struct merge_options o; - struct commit_list *bases; + struct commit_list *bases = NULL; struct merge_result res = {0}; struct pretty_print_context ctx = {0}; struct commit *parent1 = parents->item; @@ -1036,7 +1032,8 @@ static int do_remerge_diff(struct rev_info *opt, /* Parse the relevant commits and get the merge bases */ parse_commit_or_die(parent1); parse_commit_or_die(parent2); - bases = repo_get_merge_bases(the_repository, parent1, parent2); + if (repo_get_merge_bases(the_repository, parent1, parent2, &bases) < 0) + exit(128); /* Re-merge the parents */ merge_incore_recursive(&o, bases, parent1, parent2, &res); diff --git a/log-tree.h b/log-tree.h index 41c776fea5..94978e2c83 100644 --- a/log-tree.h +++ b/log-tree.h @@ -29,7 +29,7 @@ void format_decorations(struct strbuf *sb, const struct commit *commit, int use_color, const struct decoration_options *opts); void show_decorations(struct rev_info *opt, struct commit *commit); void log_write_email_headers(struct rev_info *opt, struct commit *commit, - const char **extra_headers_p, + char **extra_headers_p, int *need_8bit_cte_p, int maybe_multipart); void load_ref_decorations(struct decoration_filter *filter, int flags); diff --git a/loose.c b/loose.c new file mode 100644 index 0000000000..f6faa6216a --- /dev/null +++ b/loose.c @@ -0,0 +1,259 @@ +#include "git-compat-util.h" +#include "hash.h" +#include "path.h" +#include "object-store.h" +#include "hex.h" +#include "wrapper.h" +#include "gettext.h" +#include "loose.h" +#include "lockfile.h" +#include "oidtree.h" + +static const char *loose_object_header = "# loose-object-idx\n"; + +static inline int should_use_loose_object_map(struct repository *repo) +{ + return repo->compat_hash_algo && repo->gitdir; +} + +void loose_object_map_init(struct loose_object_map **map) +{ + struct loose_object_map *m; + m = xmalloc(sizeof(**map)); + m->to_compat = kh_init_oid_map(); + m->to_storage = kh_init_oid_map(); + *map = m; +} + +static int insert_oid_pair(kh_oid_map_t *map, const struct object_id *key, const struct object_id *value) +{ + khiter_t pos; + int ret; + struct object_id *stored; + + pos = kh_put_oid_map(map, *key, &ret); + + /* This item already exists in the map. */ + if (ret == 0) + return 0; + + stored = xmalloc(sizeof(*stored)); + oidcpy(stored, value); + kh_value(map, pos) = stored; + return 1; +} + +static int insert_loose_map(struct object_directory *odb, + const struct object_id *oid, + const struct object_id *compat_oid) +{ + struct loose_object_map *map = odb->loose_map; + int inserted = 0; + + inserted |= insert_oid_pair(map->to_compat, oid, compat_oid); + inserted |= insert_oid_pair(map->to_storage, compat_oid, oid); + if (inserted) + oidtree_insert(odb->loose_objects_cache, compat_oid); + + return inserted; +} + +static int load_one_loose_object_map(struct repository *repo, struct object_directory *dir) +{ + struct strbuf buf = STRBUF_INIT, path = STRBUF_INIT; + FILE *fp; + + if (!dir->loose_map) + loose_object_map_init(&dir->loose_map); + if (!dir->loose_objects_cache) { + ALLOC_ARRAY(dir->loose_objects_cache, 1); + oidtree_init(dir->loose_objects_cache); + } + + insert_loose_map(dir, repo->hash_algo->empty_tree, repo->compat_hash_algo->empty_tree); + insert_loose_map(dir, repo->hash_algo->empty_blob, repo->compat_hash_algo->empty_blob); + insert_loose_map(dir, repo->hash_algo->null_oid, repo->compat_hash_algo->null_oid); + + strbuf_git_common_path(&path, repo, "objects/loose-object-idx"); + fp = fopen(path.buf, "rb"); + if (!fp) { + strbuf_release(&path); + return 0; + } + + errno = 0; + if (strbuf_getwholeline(&buf, fp, '\n') || strcmp(buf.buf, loose_object_header)) + goto err; + while (!strbuf_getline_lf(&buf, fp)) { + const char *p; + struct object_id oid, compat_oid; + if (parse_oid_hex_algop(buf.buf, &oid, &p, repo->hash_algo) || + *p++ != ' ' || + parse_oid_hex_algop(p, &compat_oid, &p, repo->compat_hash_algo) || + p != buf.buf + buf.len) + goto err; + insert_loose_map(dir, &oid, &compat_oid); + } + + strbuf_release(&buf); + strbuf_release(&path); + return errno ? -1 : 0; +err: + strbuf_release(&buf); + strbuf_release(&path); + return -1; +} + +int repo_read_loose_object_map(struct repository *repo) +{ + struct object_directory *dir; + + if (!should_use_loose_object_map(repo)) + return 0; + + prepare_alt_odb(repo); + + for (dir = repo->objects->odb; dir; dir = dir->next) { + if (load_one_loose_object_map(repo, dir) < 0) { + return -1; + } + } + return 0; +} + +int repo_write_loose_object_map(struct repository *repo) +{ + kh_oid_map_t *map = repo->objects->odb->loose_map->to_compat; + struct lock_file lock; + int fd; + khiter_t iter; + struct strbuf buf = STRBUF_INIT, path = STRBUF_INIT; + + if (!should_use_loose_object_map(repo)) + return 0; + + strbuf_git_common_path(&path, repo, "objects/loose-object-idx"); + fd = hold_lock_file_for_update_timeout(&lock, path.buf, LOCK_DIE_ON_ERROR, -1); + iter = kh_begin(map); + if (write_in_full(fd, loose_object_header, strlen(loose_object_header)) < 0) + goto errout; + + for (; iter != kh_end(map); iter++) { + if (kh_exist(map, iter)) { + if (oideq(&kh_key(map, iter), the_hash_algo->empty_tree) || + oideq(&kh_key(map, iter), the_hash_algo->empty_blob)) + continue; + strbuf_addf(&buf, "%s %s\n", oid_to_hex(&kh_key(map, iter)), oid_to_hex(kh_value(map, iter))); + if (write_in_full(fd, buf.buf, buf.len) < 0) + goto errout; + strbuf_reset(&buf); + } + } + strbuf_release(&buf); + if (commit_lock_file(&lock) < 0) { + error_errno(_("could not write loose object index %s"), path.buf); + strbuf_release(&path); + return -1; + } + strbuf_release(&path); + return 0; +errout: + rollback_lock_file(&lock); + strbuf_release(&buf); + error_errno(_("failed to write loose object index %s\n"), path.buf); + strbuf_release(&path); + return -1; +} + +static int write_one_object(struct repository *repo, const struct object_id *oid, + const struct object_id *compat_oid) +{ + struct lock_file lock; + int fd; + struct stat st; + struct strbuf buf = STRBUF_INIT, path = STRBUF_INIT; + + strbuf_git_common_path(&path, repo, "objects/loose-object-idx"); + hold_lock_file_for_update_timeout(&lock, path.buf, LOCK_DIE_ON_ERROR, -1); + + fd = open(path.buf, O_WRONLY | O_CREAT | O_APPEND, 0666); + if (fd < 0) + goto errout; + if (fstat(fd, &st) < 0) + goto errout; + if (!st.st_size && write_in_full(fd, loose_object_header, strlen(loose_object_header)) < 0) + goto errout; + + strbuf_addf(&buf, "%s %s\n", oid_to_hex(oid), oid_to_hex(compat_oid)); + if (write_in_full(fd, buf.buf, buf.len) < 0) + goto errout; + if (close(fd)) + goto errout; + adjust_shared_perm(path.buf); + rollback_lock_file(&lock); + strbuf_release(&buf); + strbuf_release(&path); + return 0; +errout: + error_errno(_("failed to write loose object index %s\n"), path.buf); + close(fd); + rollback_lock_file(&lock); + strbuf_release(&buf); + strbuf_release(&path); + return -1; +} + +int repo_add_loose_object_map(struct repository *repo, const struct object_id *oid, + const struct object_id *compat_oid) +{ + int inserted = 0; + + if (!should_use_loose_object_map(repo)) + return 0; + + inserted = insert_loose_map(repo->objects->odb, oid, compat_oid); + if (inserted) + return write_one_object(repo, oid, compat_oid); + return 0; +} + +int repo_loose_object_map_oid(struct repository *repo, + const struct object_id *src, + const struct git_hash_algo *to, + struct object_id *dest) +{ + struct object_directory *dir; + kh_oid_map_t *map; + khiter_t pos; + + for (dir = repo->objects->odb; dir; dir = dir->next) { + struct loose_object_map *loose_map = dir->loose_map; + if (!loose_map) + continue; + map = (to == repo->compat_hash_algo) ? + loose_map->to_compat : + loose_map->to_storage; + pos = kh_get_oid_map(map, *src); + if (pos < kh_end(map)) { + oidcpy(dest, kh_value(map, pos)); + return 0; + } + } + return -1; +} + +void loose_object_map_clear(struct loose_object_map **map) +{ + struct loose_object_map *m = *map; + struct object_id *oid; + + if (!m) + return; + + kh_foreach_value(m->to_compat, oid, free(oid)); + kh_foreach_value(m->to_storage, oid, free(oid)); + kh_destroy_oid_map(m->to_compat); + kh_destroy_oid_map(m->to_storage); + free(m); + *map = NULL; +} diff --git a/loose.h b/loose.h new file mode 100644 index 0000000000..2c2957072c --- /dev/null +++ b/loose.h @@ -0,0 +1,22 @@ +#ifndef LOOSE_H +#define LOOSE_H + +#include "khash.h" + +struct loose_object_map { + kh_oid_map_t *to_compat; + kh_oid_map_t *to_storage; +}; + +void loose_object_map_init(struct loose_object_map **map); +void loose_object_map_clear(struct loose_object_map **map); +int repo_loose_object_map_oid(struct repository *repo, + const struct object_id *src, + const struct git_hash_algo *dest_algo, + struct object_id *dest); +int repo_add_loose_object_map(struct repository *repo, const struct object_id *oid, + const struct object_id *compat_oid); +int repo_read_loose_object_map(struct repository *repo); +int repo_write_loose_object_map(struct repository *repo); + +#endif diff --git a/match-trees.c b/match-trees.c index 0885ac681c..3412b6a140 100644 --- a/match-trees.c +++ b/match-trees.c @@ -63,7 +63,7 @@ static void *fill_tree_desc_strict(struct tree_desc *desc, die("unable to read tree (%s)", oid_to_hex(hash)); if (type != OBJ_TREE) die("%s is not a tree", oid_to_hex(hash)); - init_tree_desc(desc, buffer, size); + init_tree_desc(desc, hash, buffer, size); return buffer; } @@ -194,7 +194,7 @@ static int splice_tree(const struct object_id *oid1, const char *prefix, buf = repo_read_object_file(the_repository, oid1, &type, &sz); if (!buf) die("cannot read tree %s", oid_to_hex(oid1)); - init_tree_desc(&desc, buf, sz); + init_tree_desc(&desc, oid1, buf, sz); rewrite_here = NULL; while (desc.size) { diff --git a/mem-pool.c b/mem-pool.c index 2078c22b09..3065b12b23 100644 --- a/mem-pool.c +++ b/mem-pool.c @@ -115,6 +115,7 @@ static char *mem_pool_strvfmt(struct mem_pool *pool, const char *fmt, size_t available = block ? block->end - block->next_free : 0; va_list cp; int len, len2; + size_t size; char *ret; va_copy(cp, ap); @@ -123,13 +124,14 @@ static char *mem_pool_strvfmt(struct mem_pool *pool, const char *fmt, if (len < 0) BUG("your vsnprintf is broken (returned %d)", len); - ret = mem_pool_alloc(pool, len + 1); /* 1 for NUL */ + size = st_add(len, 1); /* 1 for NUL */ + ret = mem_pool_alloc(pool, size); /* Shortcut; relies on mem_pool_alloc() not touching buffer contents. */ if (ret == next_free) return ret; - len2 = vsnprintf(ret, len + 1, fmt, ap); + len2 = vsnprintf(ret, size, fmt, ap); if (len2 != len) BUG("your vsnprintf is broken (returns inconsistent lengths)"); return ret; diff --git a/merge-ll.c b/merge-ll.c index 61e0ae5398..bf1077ae09 100644 --- a/merge-ll.c +++ b/merge-ll.c @@ -128,7 +128,9 @@ static enum ll_merge_result ll_xdl_merge(const struct ll_merge_driver *drv_unuse xmp.level = XDL_MERGE_ZEALOUS; xmp.favor = opts->variant; xmp.xpp.flags = opts->xdl_opts; - if (git_xmerge_style >= 0) + if (opts->conflict_style >= 0) + xmp.style = opts->conflict_style; + else if (git_xmerge_style >= 0) xmp.style = git_xmerge_style; if (marker_size > 0) xmp.marker_size = marker_size; @@ -401,7 +403,7 @@ enum ll_merge_result ll_merge(mmbuffer_t *result_buf, const struct ll_merge_options *opts) { struct attr_check *check = load_merge_attributes(); - static const struct ll_merge_options default_opts; + static const struct ll_merge_options default_opts = LL_MERGE_OPTIONS_INIT; const char *ll_driver_name = NULL; int marker_size = DEFAULT_CONFLICT_MARKER_SIZE; const struct ll_merge_driver *driver; diff --git a/merge-ll.h b/merge-ll.h index e4a20e81a3..d038ee0c1e 100644 --- a/merge-ll.h +++ b/merge-ll.h @@ -78,10 +78,15 @@ struct ll_merge_options { */ unsigned extra_marker_size; + /* Override the global conflict style. */ + int conflict_style; + /* Extra xpparam_t flags as defined in xdiff/xdiff.h. */ long xdl_opts; }; +#define LL_MERGE_OPTIONS_INIT { .conflict_style = -1 } + enum ll_merge_result { LL_MERGE_ERROR = -1, LL_MERGE_OK = 0, diff --git a/merge-ort.c b/merge-ort.c index 6a48aea227..eaede6cead 100644 --- a/merge-ort.c +++ b/merge-ort.c @@ -543,6 +543,7 @@ enum conflict_and_info_types { CONFLICT_SUBMODULE_HISTORY_NOT_AVAILABLE, CONFLICT_SUBMODULE_MAY_HAVE_REWINDS, CONFLICT_SUBMODULE_NULL_MERGE_BASE, + CONFLICT_SUBMODULE_CORRUPT, /* Keep this entry _last_ in the list */ NB_CONFLICT_TYPES, @@ -595,7 +596,9 @@ static const char *type_short_descriptions[] = { [CONFLICT_SUBMODULE_MAY_HAVE_REWINDS] = "CONFLICT (submodule may have rewinds)", [CONFLICT_SUBMODULE_NULL_MERGE_BASE] = - "CONFLICT (submodule lacks merge base)" + "CONFLICT (submodule lacks merge base)", + [CONFLICT_SUBMODULE_CORRUPT] = + "CONFLICT (submodule corrupt)" }; struct logical_conflict_info { @@ -1658,12 +1661,14 @@ static int collect_merge_info(struct merge_options *opt, info.data = opt; info.show_all_errors = 1; - parse_tree(merge_base); - parse_tree(side1); - parse_tree(side2); - init_tree_desc(t + 0, merge_base->buffer, merge_base->size); - init_tree_desc(t + 1, side1->buffer, side1->size); - init_tree_desc(t + 2, side2->buffer, side2->size); + if (parse_tree(merge_base) < 0 || + parse_tree(side1) < 0 || + parse_tree(side2) < 0) + return -1; + init_tree_desc(t + 0, &merge_base->object.oid, + merge_base->buffer, merge_base->size); + init_tree_desc(t + 1, &side1->object.oid, side1->buffer, side1->size); + init_tree_desc(t + 2, &side2->object.oid, side2->buffer, side2->size); trace2_region_enter("merge", "traverse_trees", opt->repo); ret = traverse_trees(NULL, 3, t, &info); @@ -1709,7 +1714,14 @@ static int find_first_merges(struct repository *repo, die("revision walk setup failed"); while ((commit = get_revision(&revs)) != NULL) { struct object *o = &(commit->object); - if (repo_in_merge_bases(repo, b, commit)) + int ret = repo_in_merge_bases(repo, b, commit); + + if (ret < 0) { + object_array_clear(&merges); + release_revisions(&revs); + return ret; + } + if (ret > 0) add_object_array(o, NULL, &merges); } reset_revision_walk(); @@ -1724,9 +1736,17 @@ static int find_first_merges(struct repository *repo, contains_another = 0; for (j = 0; j < merges.nr; j++) { struct commit *m2 = (struct commit *) merges.objects[j].item; - if (i != j && repo_in_merge_bases(repo, m2, m1)) { - contains_another = 1; - break; + if (i != j) { + int ret = repo_in_merge_bases(repo, m2, m1); + if (ret < 0) { + object_array_clear(&merges); + release_revisions(&revs); + return ret; + } + if (ret > 0) { + contains_another = 1; + break; + } } } @@ -1748,7 +1768,7 @@ static int merge_submodule(struct merge_options *opt, { struct repository subrepo; struct strbuf sb = STRBUF_INIT; - int ret = 0; + int ret = 0, ret2; struct commit *commit_o, *commit_a, *commit_b; int parent_count; struct object_array merges; @@ -1795,8 +1815,28 @@ static int merge_submodule(struct merge_options *opt, } /* check whether both changes are forward */ - if (!repo_in_merge_bases(&subrepo, commit_o, commit_a) || - !repo_in_merge_bases(&subrepo, commit_o, commit_b)) { + ret2 = repo_in_merge_bases(&subrepo, commit_o, commit_a); + if (ret2 < 0) { + path_msg(opt, CONFLICT_SUBMODULE_CORRUPT, 0, + path, NULL, NULL, NULL, + _("Failed to merge submodule %s " + "(repository corrupt)"), + path); + ret = -1; + goto cleanup; + } + if (ret2 > 0) + ret2 = repo_in_merge_bases(&subrepo, commit_o, commit_b); + if (ret2 < 0) { + path_msg(opt, CONFLICT_SUBMODULE_CORRUPT, 0, + path, NULL, NULL, NULL, + _("Failed to merge submodule %s " + "(repository corrupt)"), + path); + ret = -1; + goto cleanup; + } + if (!ret2) { path_msg(opt, CONFLICT_SUBMODULE_MAY_HAVE_REWINDS, 0, path, NULL, NULL, NULL, _("Failed to merge submodule %s " @@ -1806,7 +1846,17 @@ static int merge_submodule(struct merge_options *opt, } /* Case #1: a is contained in b or vice versa */ - if (repo_in_merge_bases(&subrepo, commit_a, commit_b)) { + ret2 = repo_in_merge_bases(&subrepo, commit_a, commit_b); + if (ret2 < 0) { + path_msg(opt, CONFLICT_SUBMODULE_CORRUPT, 0, + path, NULL, NULL, NULL, + _("Failed to merge submodule %s " + "(repository corrupt)"), + path); + ret = -1; + goto cleanup; + } + if (ret2 > 0) { oidcpy(result, b); path_msg(opt, INFO_SUBMODULE_FAST_FORWARDING, 1, path, NULL, NULL, NULL, @@ -1815,7 +1865,17 @@ static int merge_submodule(struct merge_options *opt, ret = 1; goto cleanup; } - if (repo_in_merge_bases(&subrepo, commit_b, commit_a)) { + ret2 = repo_in_merge_bases(&subrepo, commit_b, commit_a); + if (ret2 < 0) { + path_msg(opt, CONFLICT_SUBMODULE_CORRUPT, 0, + path, NULL, NULL, NULL, + _("Failed to merge submodule %s " + "(repository corrupt)"), + path); + ret = -1; + goto cleanup; + } + if (ret2 > 0) { oidcpy(result, a); path_msg(opt, INFO_SUBMODULE_FAST_FORWARDING, 1, path, NULL, NULL, NULL, @@ -1840,6 +1900,14 @@ static int merge_submodule(struct merge_options *opt, parent_count = find_first_merges(&subrepo, path, commit_a, commit_b, &merges); switch (parent_count) { + case -1: + path_msg(opt, CONFLICT_SUBMODULE_CORRUPT, 0, + path, NULL, NULL, NULL, + _("Failed to merge submodule %s " + "(repository corrupt)"), + path); + ret = -1; + break; case 0: path_msg(opt, CONFLICT_SUBMODULE_FAILED_TO_MERGE, 0, path, NULL, NULL, NULL, @@ -1957,7 +2025,7 @@ static int merge_3way(struct merge_options *opt, mmbuffer_t *result_buf) { mmfile_t orig, src1, src2; - struct ll_merge_options ll_opts = {0}; + struct ll_merge_options ll_opts = LL_MERGE_OPTIONS_INIT; char *base, *name1, *name2; enum ll_merge_result merge_status; @@ -1967,6 +2035,7 @@ static int merge_3way(struct merge_options *opt, ll_opts.renormalize = opt->renormalize; ll_opts.extra_marker_size = extra_marker_size; ll_opts.xdl_opts = opt->xdl_opts; + ll_opts.conflict_style = opt->conflict_style; if (opt->priv->call_depth) { ll_opts.virtual_ancestor = 1; @@ -4377,10 +4446,12 @@ static int checkout(struct merge_options *opt, unpack_opts.verbose_update = (opt->verbosity > 2); unpack_opts.fn = twoway_merge; unpack_opts.preserve_ignored = 0; /* FIXME: !opts->overwrite_ignore */ - parse_tree(prev); - init_tree_desc(&trees[0], prev->buffer, prev->size); - parse_tree(next); - init_tree_desc(&trees[1], next->buffer, next->size); + if (parse_tree(prev) < 0) + return -1; + init_tree_desc(&trees[0], &prev->object.oid, prev->buffer, prev->size); + if (parse_tree(next) < 0) + return -1; + init_tree_desc(&trees[1], &next->object.oid, next->buffer, next->size); ret = unpack_trees(2, trees, &unpack_opts); clear_unpack_trees_porcelain(&unpack_opts); @@ -4983,6 +5054,9 @@ redo: if (result->clean >= 0) { result->tree = parse_tree_indirect(&working_tree_oid); + if (!result->tree) + die(_("unable to read tree (%s)"), + oid_to_hex(&working_tree_oid)); /* existence of conflicted entries implies unclean */ result->clean &= strmap_empty(&opt->priv->conflicted); } @@ -5008,7 +5082,11 @@ static void merge_ort_internal(struct merge_options *opt, struct strbuf merge_base_abbrev = STRBUF_INIT; if (!merge_bases) { - merge_bases = repo_get_merge_bases(the_repository, h1, h2); + if (repo_get_merge_bases(the_repository, h1, h2, + &merge_bases) < 0) { + result->clean = -1; + return; + } /* See merge-ort.h:merge_incore_recursive() declaration NOTE */ merge_bases = reverse_commit_list(merge_bases); } diff --git a/merge-recursive.c b/merge-recursive.c index a0c3e7a2d9..8ff29ed09e 100644 --- a/merge-recursive.c +++ b/merge-recursive.c @@ -405,8 +405,9 @@ static inline int merge_detect_rename(struct merge_options *opt) static void init_tree_desc_from_tree(struct tree_desc *desc, struct tree *tree) { - parse_tree(tree); - init_tree_desc(desc, tree->buffer, tree->size); + if (parse_tree(tree) < 0) + exit(128); + init_tree_desc(desc, &tree->object.oid, tree->buffer, tree->size); } static int unpack_trees_start(struct merge_options *opt, @@ -1047,13 +1048,14 @@ static int merge_3way(struct merge_options *opt, const int extra_marker_size) { mmfile_t orig, src1, src2; - struct ll_merge_options ll_opts = {0}; + struct ll_merge_options ll_opts = LL_MERGE_OPTIONS_INIT; char *base, *name1, *name2; enum ll_merge_result merge_status; ll_opts.renormalize = opt->renormalize; ll_opts.extra_marker_size = extra_marker_size; ll_opts.xdl_opts = opt->xdl_opts; + ll_opts.conflict_style = opt->conflict_style; if (opt->priv->call_depth) { ll_opts.virtual_ancestor = 1; @@ -1139,7 +1141,13 @@ static int find_first_merges(struct repository *repo, die("revision walk setup failed"); while ((commit = get_revision(&revs)) != NULL) { struct object *o = &(commit->object); - if (repo_in_merge_bases(repo, b, commit)) + int ret = repo_in_merge_bases(repo, b, commit); + if (ret < 0) { + object_array_clear(&merges); + release_revisions(&revs); + return ret; + } + if (ret) add_object_array(o, NULL, &merges); } reset_revision_walk(); @@ -1154,9 +1162,17 @@ static int find_first_merges(struct repository *repo, contains_another = 0; for (j = 0; j < merges.nr; j++) { struct commit *m2 = (struct commit *) merges.objects[j].item; - if (i != j && repo_in_merge_bases(repo, m2, m1)) { - contains_another = 1; - break; + if (i != j) { + int ret = repo_in_merge_bases(repo, m2, m1); + if (ret < 0) { + object_array_clear(&merges); + release_revisions(&revs); + return ret; + } + if (ret > 0) { + contains_another = 1; + break; + } } } @@ -1192,7 +1208,7 @@ static int merge_submodule(struct merge_options *opt, const struct object_id *b) { struct repository subrepo; - int ret = 0; + int ret = 0, ret2; struct commit *commit_base, *commit_a, *commit_b; int parent_count; struct object_array merges; @@ -1229,14 +1245,32 @@ static int merge_submodule(struct merge_options *opt, } /* check whether both changes are forward */ - if (!repo_in_merge_bases(&subrepo, commit_base, commit_a) || - !repo_in_merge_bases(&subrepo, commit_base, commit_b)) { + ret2 = repo_in_merge_bases(&subrepo, commit_base, commit_a); + if (ret2 < 0) { + output(opt, 1, _("Failed to merge submodule %s (repository corrupt)"), path); + ret = -1; + goto cleanup; + } + if (ret2 > 0) + ret2 = repo_in_merge_bases(&subrepo, commit_base, commit_b); + if (ret2 < 0) { + output(opt, 1, _("Failed to merge submodule %s (repository corrupt)"), path); + ret = -1; + goto cleanup; + } + if (!ret2) { output(opt, 1, _("Failed to merge submodule %s (commits don't follow merge-base)"), path); goto cleanup; } /* Case #1: a is contained in b or vice versa */ - if (repo_in_merge_bases(&subrepo, commit_a, commit_b)) { + ret2 = repo_in_merge_bases(&subrepo, commit_a, commit_b); + if (ret2 < 0) { + output(opt, 1, _("Failed to merge submodule %s (repository corrupt)"), path); + ret = -1; + goto cleanup; + } + if (ret2) { oidcpy(result, b); if (show(opt, 3)) { output(opt, 3, _("Fast-forwarding submodule %s to the following commit:"), path); @@ -1249,7 +1283,13 @@ static int merge_submodule(struct merge_options *opt, ret = 1; goto cleanup; } - if (repo_in_merge_bases(&subrepo, commit_b, commit_a)) { + ret2 = repo_in_merge_bases(&subrepo, commit_b, commit_a); + if (ret2 < 0) { + output(opt, 1, _("Failed to merge submodule %s (repository corrupt)"), path); + ret = -1; + goto cleanup; + } + if (ret2) { oidcpy(result, a); if (show(opt, 3)) { output(opt, 3, _("Fast-forwarding submodule %s to the following commit:"), path); @@ -1278,6 +1318,10 @@ static int merge_submodule(struct merge_options *opt, parent_count = find_first_merges(&subrepo, &merges, path, commit_a, commit_b); switch (parent_count) { + case -1: + output(opt, 1,_("Failed to merge submodule %s (repository corrupt)"), path); + ret = -1; + break; case 0: output(opt, 1, _("Failed to merge submodule %s (merge following commits not found)"), path); break; @@ -1392,11 +1436,14 @@ static int merge_mode_and_contents(struct merge_options *opt, /* FIXME: bug, what if modes didn't match? */ result->clean = (merge_status == 0); } else if (S_ISGITLINK(a->mode)) { - result->clean = merge_submodule(opt, &result->blob.oid, - o->path, - &o->oid, - &a->oid, - &b->oid); + int clean = merge_submodule(opt, &result->blob.oid, + o->path, + &o->oid, + &a->oid, + &b->oid); + if (clean < 0) + return -1; + result->clean = clean; } else if (S_ISLNK(a->mode)) { switch (opt->recursive_variant) { case MERGE_VARIANT_NORMAL: @@ -3597,7 +3644,9 @@ static int merge_recursive_internal(struct merge_options *opt, } if (!merge_bases) { - merge_bases = repo_get_merge_bases(the_repository, h1, h2); + if (repo_get_merge_bases(the_repository, h1, h2, + &merge_bases) < 0) + return -1; merge_bases = reverse_commit_list(merge_bases); } @@ -3899,6 +3948,8 @@ void init_merge_options(struct merge_options *opt, opt->renormalize = 0; + opt->conflict_style = -1; + merge_recursive_config(opt); merge_verbosity = getenv("GIT_MERGE_VERBOSITY"); if (merge_verbosity) diff --git a/merge-recursive.h b/merge-recursive.h index 3d3b3e3c29..e67d38c303 100644 --- a/merge-recursive.h +++ b/merge-recursive.h @@ -31,6 +31,7 @@ struct merge_options { /* xdiff-related options (patience, ignore whitespace, ours/theirs) */ long xdl_opts; + int conflict_style; enum { MERGE_VARIANT_NORMAL = 0, MERGE_VARIANT_OURS, @@ -77,8 +77,12 @@ int checkout_fast_forward(struct repository *r, return -1; } for (i = 0; i < nr_trees; i++) { - parse_tree(trees[i]); - init_tree_desc(t+i, trees[i]->buffer, trees[i]->size); + if (parse_tree(trees[i]) < 0) { + rollback_lock_file(&lock_file); + return -1; + } + init_tree_desc(t+i, &trees[i]->object.oid, + trees[i]->buffer, trees[i]->size); } memset(&opts, 0, sizeof(opts)); diff --git a/midx-write.c b/midx-write.c new file mode 100644 index 0000000000..65e69d2de7 --- /dev/null +++ b/midx-write.c @@ -0,0 +1,1525 @@ +#include "git-compat-util.h" +#include "abspath.h" +#include "config.h" +#include "hex.h" +#include "lockfile.h" +#include "packfile.h" +#include "object-file.h" +#include "hash-lookup.h" +#include "midx.h" +#include "progress.h" +#include "trace2.h" +#include "run-command.h" +#include "chunk-format.h" +#include "pack-bitmap.h" +#include "refs.h" +#include "revision.h" +#include "list-objects.h" + +#define PACK_EXPIRED UINT_MAX +#define BITMAP_POS_UNKNOWN (~((uint32_t)0)) +#define MIDX_CHUNK_FANOUT_SIZE (sizeof(uint32_t) * 256) +#define MIDX_CHUNK_LARGE_OFFSET_WIDTH (sizeof(uint64_t)) + +extern int midx_checksum_valid(struct multi_pack_index *m); +extern void clear_midx_files_ext(const char *object_dir, const char *ext, + unsigned char *keep_hash); +extern int cmp_idx_or_pack_name(const char *idx_or_pack_name, + const char *idx_name); + +static size_t write_midx_header(struct hashfile *f, + unsigned char num_chunks, + uint32_t num_packs) +{ + hashwrite_be32(f, MIDX_SIGNATURE); + hashwrite_u8(f, MIDX_VERSION); + hashwrite_u8(f, oid_version(the_hash_algo)); + hashwrite_u8(f, num_chunks); + hashwrite_u8(f, 0); /* unused */ + hashwrite_be32(f, num_packs); + + return MIDX_HEADER_SIZE; +} + +struct pack_info { + uint32_t orig_pack_int_id; + char *pack_name; + struct packed_git *p; + + uint32_t bitmap_pos; + uint32_t bitmap_nr; + + unsigned expired : 1; +}; + +static void fill_pack_info(struct pack_info *info, + struct packed_git *p, const char *pack_name, + uint32_t orig_pack_int_id) +{ + memset(info, 0, sizeof(struct pack_info)); + + info->orig_pack_int_id = orig_pack_int_id; + info->pack_name = xstrdup(pack_name); + info->p = p; + info->bitmap_pos = BITMAP_POS_UNKNOWN; +} + +static int pack_info_compare(const void *_a, const void *_b) +{ + struct pack_info *a = (struct pack_info *)_a; + struct pack_info *b = (struct pack_info *)_b; + return strcmp(a->pack_name, b->pack_name); +} + +static int idx_or_pack_name_cmp(const void *_va, const void *_vb) +{ + const char *pack_name = _va; + const struct pack_info *compar = _vb; + + return cmp_idx_or_pack_name(pack_name, compar->pack_name); +} + +struct write_midx_context { + struct pack_info *info; + size_t nr; + size_t alloc; + struct multi_pack_index *m; + struct progress *progress; + unsigned pack_paths_checked; + + struct pack_midx_entry *entries; + size_t entries_nr; + + uint32_t *pack_perm; + uint32_t *pack_order; + unsigned large_offsets_needed:1; + uint32_t num_large_offsets; + + int preferred_pack_idx; + + struct string_list *to_include; +}; + +static void add_pack_to_midx(const char *full_path, size_t full_path_len, + const char *file_name, void *data) +{ + struct write_midx_context *ctx = data; + struct packed_git *p; + + if (ends_with(file_name, ".idx")) { + display_progress(ctx->progress, ++ctx->pack_paths_checked); + /* + * Note that at most one of ctx->m and ctx->to_include are set, + * so we are testing midx_contains_pack() and + * string_list_has_string() independently (guarded by the + * appropriate NULL checks). + * + * We could support passing to_include while reusing an existing + * MIDX, but don't currently since the reuse process drags + * forward all packs from an existing MIDX (without checking + * whether or not they appear in the to_include list). + * + * If we added support for that, these next two conditional + * should be performed independently (likely checking + * to_include before the existing MIDX). + */ + if (ctx->m && midx_contains_pack(ctx->m, file_name)) + return; + else if (ctx->to_include && + !string_list_has_string(ctx->to_include, file_name)) + return; + + ALLOC_GROW(ctx->info, ctx->nr + 1, ctx->alloc); + + p = add_packed_git(full_path, full_path_len, 0); + if (!p) { + warning(_("failed to add packfile '%s'"), + full_path); + return; + } + + if (open_pack_index(p)) { + warning(_("failed to open pack-index '%s'"), + full_path); + close_pack(p); + free(p); + return; + } + + fill_pack_info(&ctx->info[ctx->nr], p, file_name, ctx->nr); + ctx->nr++; + } +} + +struct pack_midx_entry { + struct object_id oid; + uint32_t pack_int_id; + time_t pack_mtime; + uint64_t offset; + unsigned preferred : 1; +}; + +static int midx_oid_compare(const void *_a, const void *_b) +{ + const struct pack_midx_entry *a = (const struct pack_midx_entry *)_a; + const struct pack_midx_entry *b = (const struct pack_midx_entry *)_b; + int cmp = oidcmp(&a->oid, &b->oid); + + if (cmp) + return cmp; + + /* Sort objects in a preferred pack first when multiple copies exist. */ + if (a->preferred > b->preferred) + return -1; + if (a->preferred < b->preferred) + return 1; + + if (a->pack_mtime > b->pack_mtime) + return -1; + else if (a->pack_mtime < b->pack_mtime) + return 1; + + return a->pack_int_id - b->pack_int_id; +} + +static int nth_midxed_pack_midx_entry(struct multi_pack_index *m, + struct pack_midx_entry *e, + uint32_t pos) +{ + if (pos >= m->num_objects) + return 1; + + nth_midxed_object_oid(&e->oid, m, pos); + e->pack_int_id = nth_midxed_pack_int_id(m, pos); + e->offset = nth_midxed_offset(m, pos); + + /* consider objects in midx to be from "old" packs */ + e->pack_mtime = 0; + return 0; +} + +static void fill_pack_entry(uint32_t pack_int_id, + struct packed_git *p, + uint32_t cur_object, + struct pack_midx_entry *entry, + int preferred) +{ + if (nth_packed_object_id(&entry->oid, p, cur_object) < 0) + die(_("failed to locate object %d in packfile"), cur_object); + + entry->pack_int_id = pack_int_id; + entry->pack_mtime = p->mtime; + + entry->offset = nth_packed_object_offset(p, cur_object); + entry->preferred = !!preferred; +} + +struct midx_fanout { + struct pack_midx_entry *entries; + size_t nr, alloc; +}; + +static void midx_fanout_grow(struct midx_fanout *fanout, size_t nr) +{ + if (nr < fanout->nr) + BUG("negative growth in midx_fanout_grow() (%"PRIuMAX" < %"PRIuMAX")", + (uintmax_t)nr, (uintmax_t)fanout->nr); + ALLOC_GROW(fanout->entries, nr, fanout->alloc); +} + +static void midx_fanout_sort(struct midx_fanout *fanout) +{ + QSORT(fanout->entries, fanout->nr, midx_oid_compare); +} + +static void midx_fanout_add_midx_fanout(struct midx_fanout *fanout, + struct multi_pack_index *m, + uint32_t cur_fanout, + int preferred_pack) +{ + uint32_t start = 0, end; + uint32_t cur_object; + + if (cur_fanout) + start = ntohl(m->chunk_oid_fanout[cur_fanout - 1]); + end = ntohl(m->chunk_oid_fanout[cur_fanout]); + + for (cur_object = start; cur_object < end; cur_object++) { + if ((preferred_pack > -1) && + (preferred_pack == nth_midxed_pack_int_id(m, cur_object))) { + /* + * Objects from preferred packs are added + * separately. + */ + continue; + } + + midx_fanout_grow(fanout, fanout->nr + 1); + nth_midxed_pack_midx_entry(m, + &fanout->entries[fanout->nr], + cur_object); + fanout->entries[fanout->nr].preferred = 0; + fanout->nr++; + } +} + +static void midx_fanout_add_pack_fanout(struct midx_fanout *fanout, + struct pack_info *info, + uint32_t cur_pack, + int preferred, + uint32_t cur_fanout) +{ + struct packed_git *pack = info[cur_pack].p; + uint32_t start = 0, end; + uint32_t cur_object; + + if (cur_fanout) + start = get_pack_fanout(pack, cur_fanout - 1); + end = get_pack_fanout(pack, cur_fanout); + + for (cur_object = start; cur_object < end; cur_object++) { + midx_fanout_grow(fanout, fanout->nr + 1); + fill_pack_entry(cur_pack, + info[cur_pack].p, + cur_object, + &fanout->entries[fanout->nr], + preferred); + fanout->nr++; + } +} + +/* + * It is possible to artificially get into a state where there are many + * duplicate copies of objects. That can create high memory pressure if + * we are to create a list of all objects before de-duplication. To reduce + * this memory pressure without a significant performance drop, automatically + * group objects by the first byte of their object id. Use the IDX fanout + * tables to group the data, copy to a local array, then sort. + * + * Copy only the de-duplicated entries (selected by most-recent modified time + * of a packfile containing the object). + */ +static struct pack_midx_entry *get_sorted_entries(struct multi_pack_index *m, + struct pack_info *info, + uint32_t nr_packs, + size_t *nr_objects, + int preferred_pack) +{ + uint32_t cur_fanout, cur_pack, cur_object; + size_t alloc_objects, total_objects = 0; + struct midx_fanout fanout = { 0 }; + struct pack_midx_entry *deduplicated_entries = NULL; + uint32_t start_pack = m ? m->num_packs : 0; + + for (cur_pack = start_pack; cur_pack < nr_packs; cur_pack++) + total_objects = st_add(total_objects, + info[cur_pack].p->num_objects); + + /* + * As we de-duplicate by fanout value, we expect the fanout + * slices to be evenly distributed, with some noise. Hence, + * allocate slightly more than one 256th. + */ + alloc_objects = fanout.alloc = total_objects > 3200 ? total_objects / 200 : 16; + + ALLOC_ARRAY(fanout.entries, fanout.alloc); + ALLOC_ARRAY(deduplicated_entries, alloc_objects); + *nr_objects = 0; + + for (cur_fanout = 0; cur_fanout < 256; cur_fanout++) { + fanout.nr = 0; + + if (m) + midx_fanout_add_midx_fanout(&fanout, m, cur_fanout, + preferred_pack); + + for (cur_pack = start_pack; cur_pack < nr_packs; cur_pack++) { + int preferred = cur_pack == preferred_pack; + midx_fanout_add_pack_fanout(&fanout, + info, cur_pack, + preferred, cur_fanout); + } + + if (-1 < preferred_pack && preferred_pack < start_pack) + midx_fanout_add_pack_fanout(&fanout, info, + preferred_pack, 1, + cur_fanout); + + midx_fanout_sort(&fanout); + + /* + * The batch is now sorted by OID and then mtime (descending). + * Take only the first duplicate. + */ + for (cur_object = 0; cur_object < fanout.nr; cur_object++) { + if (cur_object && oideq(&fanout.entries[cur_object - 1].oid, + &fanout.entries[cur_object].oid)) + continue; + + ALLOC_GROW(deduplicated_entries, st_add(*nr_objects, 1), + alloc_objects); + memcpy(&deduplicated_entries[*nr_objects], + &fanout.entries[cur_object], + sizeof(struct pack_midx_entry)); + (*nr_objects)++; + } + } + + free(fanout.entries); + return deduplicated_entries; +} + +static int write_midx_pack_names(struct hashfile *f, void *data) +{ + struct write_midx_context *ctx = data; + uint32_t i; + unsigned char padding[MIDX_CHUNK_ALIGNMENT]; + size_t written = 0; + + for (i = 0; i < ctx->nr; i++) { + size_t writelen; + + if (ctx->info[i].expired) + continue; + + if (i && strcmp(ctx->info[i].pack_name, ctx->info[i - 1].pack_name) <= 0) + BUG("incorrect pack-file order: %s before %s", + ctx->info[i - 1].pack_name, + ctx->info[i].pack_name); + + writelen = strlen(ctx->info[i].pack_name) + 1; + hashwrite(f, ctx->info[i].pack_name, writelen); + written += writelen; + } + + /* add padding to be aligned */ + i = MIDX_CHUNK_ALIGNMENT - (written % MIDX_CHUNK_ALIGNMENT); + if (i < MIDX_CHUNK_ALIGNMENT) { + memset(padding, 0, sizeof(padding)); + hashwrite(f, padding, i); + } + + return 0; +} + +static int write_midx_bitmapped_packs(struct hashfile *f, void *data) +{ + struct write_midx_context *ctx = data; + size_t i; + + for (i = 0; i < ctx->nr; i++) { + struct pack_info *pack = &ctx->info[i]; + if (pack->expired) + continue; + + if (pack->bitmap_pos == BITMAP_POS_UNKNOWN && pack->bitmap_nr) + BUG("pack '%s' has no bitmap position, but has %d bitmapped object(s)", + pack->pack_name, pack->bitmap_nr); + + hashwrite_be32(f, pack->bitmap_pos); + hashwrite_be32(f, pack->bitmap_nr); + } + return 0; +} + +static int write_midx_oid_fanout(struct hashfile *f, + void *data) +{ + struct write_midx_context *ctx = data; + struct pack_midx_entry *list = ctx->entries; + struct pack_midx_entry *last = ctx->entries + ctx->entries_nr; + uint32_t count = 0; + uint32_t i; + + /* + * Write the first-level table (the list is sorted, + * but we use a 256-entry lookup to be able to avoid + * having to do eight extra binary search iterations). + */ + for (i = 0; i < 256; i++) { + struct pack_midx_entry *next = list; + + while (next < last && next->oid.hash[0] == i) { + count++; + next++; + } + + hashwrite_be32(f, count); + list = next; + } + + return 0; +} + +static int write_midx_oid_lookup(struct hashfile *f, + void *data) +{ + struct write_midx_context *ctx = data; + unsigned char hash_len = the_hash_algo->rawsz; + struct pack_midx_entry *list = ctx->entries; + uint32_t i; + + for (i = 0; i < ctx->entries_nr; i++) { + struct pack_midx_entry *obj = list++; + + if (i < ctx->entries_nr - 1) { + struct pack_midx_entry *next = list; + if (oidcmp(&obj->oid, &next->oid) >= 0) + BUG("OIDs not in order: %s >= %s", + oid_to_hex(&obj->oid), + oid_to_hex(&next->oid)); + } + + hashwrite(f, obj->oid.hash, (int)hash_len); + } + + return 0; +} + +static int write_midx_object_offsets(struct hashfile *f, + void *data) +{ + struct write_midx_context *ctx = data; + struct pack_midx_entry *list = ctx->entries; + uint32_t i, nr_large_offset = 0; + + for (i = 0; i < ctx->entries_nr; i++) { + struct pack_midx_entry *obj = list++; + + if (ctx->pack_perm[obj->pack_int_id] == PACK_EXPIRED) + BUG("object %s is in an expired pack with int-id %d", + oid_to_hex(&obj->oid), + obj->pack_int_id); + + hashwrite_be32(f, ctx->pack_perm[obj->pack_int_id]); + + if (ctx->large_offsets_needed && obj->offset >> 31) + hashwrite_be32(f, MIDX_LARGE_OFFSET_NEEDED | nr_large_offset++); + else if (!ctx->large_offsets_needed && obj->offset >> 32) + BUG("object %s requires a large offset (%"PRIx64") but the MIDX is not writing large offsets!", + oid_to_hex(&obj->oid), + obj->offset); + else + hashwrite_be32(f, (uint32_t)obj->offset); + } + + return 0; +} + +static int write_midx_large_offsets(struct hashfile *f, + void *data) +{ + struct write_midx_context *ctx = data; + struct pack_midx_entry *list = ctx->entries; + struct pack_midx_entry *end = ctx->entries + ctx->entries_nr; + uint32_t nr_large_offset = ctx->num_large_offsets; + + while (nr_large_offset) { + struct pack_midx_entry *obj; + uint64_t offset; + + if (list >= end) + BUG("too many large-offset objects"); + + obj = list++; + offset = obj->offset; + + if (!(offset >> 31)) + continue; + + hashwrite_be64(f, offset); + + nr_large_offset--; + } + + return 0; +} + +static int write_midx_revindex(struct hashfile *f, + void *data) +{ + struct write_midx_context *ctx = data; + uint32_t i; + + for (i = 0; i < ctx->entries_nr; i++) + hashwrite_be32(f, ctx->pack_order[i]); + + return 0; +} + +struct midx_pack_order_data { + uint32_t nr; + uint32_t pack; + off_t offset; +}; + +static int midx_pack_order_cmp(const void *va, const void *vb) +{ + const struct midx_pack_order_data *a = va, *b = vb; + if (a->pack < b->pack) + return -1; + else if (a->pack > b->pack) + return 1; + else if (a->offset < b->offset) + return -1; + else if (a->offset > b->offset) + return 1; + else + return 0; +} + +static uint32_t *midx_pack_order(struct write_midx_context *ctx) +{ + struct midx_pack_order_data *data; + uint32_t *pack_order; + uint32_t i; + + trace2_region_enter("midx", "midx_pack_order", the_repository); + + ALLOC_ARRAY(data, ctx->entries_nr); + for (i = 0; i < ctx->entries_nr; i++) { + struct pack_midx_entry *e = &ctx->entries[i]; + data[i].nr = i; + data[i].pack = ctx->pack_perm[e->pack_int_id]; + if (!e->preferred) + data[i].pack |= (1U << 31); + data[i].offset = e->offset; + } + + QSORT(data, ctx->entries_nr, midx_pack_order_cmp); + + ALLOC_ARRAY(pack_order, ctx->entries_nr); + for (i = 0; i < ctx->entries_nr; i++) { + struct pack_midx_entry *e = &ctx->entries[data[i].nr]; + struct pack_info *pack = &ctx->info[ctx->pack_perm[e->pack_int_id]]; + if (pack->bitmap_pos == BITMAP_POS_UNKNOWN) + pack->bitmap_pos = i; + pack->bitmap_nr++; + pack_order[i] = data[i].nr; + } + for (i = 0; i < ctx->nr; i++) { + struct pack_info *pack = &ctx->info[ctx->pack_perm[i]]; + if (pack->bitmap_pos == BITMAP_POS_UNKNOWN) + pack->bitmap_pos = 0; + } + free(data); + + trace2_region_leave("midx", "midx_pack_order", the_repository); + + return pack_order; +} + +static void write_midx_reverse_index(char *midx_name, unsigned char *midx_hash, + struct write_midx_context *ctx) +{ + struct strbuf buf = STRBUF_INIT; + const char *tmp_file; + + trace2_region_enter("midx", "write_midx_reverse_index", the_repository); + + strbuf_addf(&buf, "%s-%s.rev", midx_name, hash_to_hex(midx_hash)); + + tmp_file = write_rev_file_order(NULL, ctx->pack_order, ctx->entries_nr, + midx_hash, WRITE_REV); + + if (finalize_object_file(tmp_file, buf.buf)) + die(_("cannot store reverse index file")); + + strbuf_release(&buf); + + trace2_region_leave("midx", "write_midx_reverse_index", the_repository); +} + +static void prepare_midx_packing_data(struct packing_data *pdata, + struct write_midx_context *ctx) +{ + uint32_t i; + + trace2_region_enter("midx", "prepare_midx_packing_data", the_repository); + + memset(pdata, 0, sizeof(struct packing_data)); + prepare_packing_data(the_repository, pdata); + + for (i = 0; i < ctx->entries_nr; i++) { + struct pack_midx_entry *from = &ctx->entries[ctx->pack_order[i]]; + struct object_entry *to = packlist_alloc(pdata, &from->oid); + + oe_set_in_pack(pdata, to, + ctx->info[ctx->pack_perm[from->pack_int_id]].p); + } + + trace2_region_leave("midx", "prepare_midx_packing_data", the_repository); +} + +static int add_ref_to_pending(const char *refname, + const struct object_id *oid, + int flag, void *cb_data) +{ + struct rev_info *revs = (struct rev_info*)cb_data; + struct object_id peeled; + struct object *object; + + if ((flag & REF_ISSYMREF) && (flag & REF_ISBROKEN)) { + warning("symbolic ref is dangling: %s", refname); + return 0; + } + + if (!peel_iterated_oid(oid, &peeled)) + oid = &peeled; + + object = parse_object_or_die(oid, refname); + if (object->type != OBJ_COMMIT) + return 0; + + add_pending_object(revs, object, ""); + if (bitmap_is_preferred_refname(revs->repo, refname)) + object->flags |= NEEDS_BITMAP; + return 0; +} + +struct bitmap_commit_cb { + struct commit **commits; + size_t commits_nr, commits_alloc; + + struct write_midx_context *ctx; +}; + +static const struct object_id *bitmap_oid_access(size_t index, + const void *_entries) +{ + const struct pack_midx_entry *entries = _entries; + return &entries[index].oid; +} + +static void bitmap_show_commit(struct commit *commit, void *_data) +{ + struct bitmap_commit_cb *data = _data; + int pos = oid_pos(&commit->object.oid, data->ctx->entries, + data->ctx->entries_nr, + bitmap_oid_access); + if (pos < 0) + return; + + ALLOC_GROW(data->commits, data->commits_nr + 1, data->commits_alloc); + data->commits[data->commits_nr++] = commit; +} + +static int read_refs_snapshot(const char *refs_snapshot, + struct rev_info *revs) +{ + struct strbuf buf = STRBUF_INIT; + struct object_id oid; + FILE *f = xfopen(refs_snapshot, "r"); + + while (strbuf_getline(&buf, f) != EOF) { + struct object *object; + int preferred = 0; + char *hex = buf.buf; + const char *end = NULL; + + if (buf.len && *buf.buf == '+') { + preferred = 1; + hex = &buf.buf[1]; + } + + if (parse_oid_hex(hex, &oid, &end) < 0) + die(_("could not parse line: %s"), buf.buf); + if (*end) + die(_("malformed line: %s"), buf.buf); + + object = parse_object_or_die(&oid, NULL); + if (preferred) + object->flags |= NEEDS_BITMAP; + + add_pending_object(revs, object, ""); + } + + fclose(f); + strbuf_release(&buf); + return 0; +} +static struct commit **find_commits_for_midx_bitmap(uint32_t *indexed_commits_nr_p, + const char *refs_snapshot, + struct write_midx_context *ctx) +{ + struct rev_info revs; + struct bitmap_commit_cb cb = {0}; + + trace2_region_enter("midx", "find_commits_for_midx_bitmap", + the_repository); + + cb.ctx = ctx; + + repo_init_revisions(the_repository, &revs, NULL); + if (refs_snapshot) { + read_refs_snapshot(refs_snapshot, &revs); + } else { + setup_revisions(0, NULL, &revs, NULL); + for_each_ref(add_ref_to_pending, &revs); + } + + /* + * Skipping promisor objects here is intentional, since it only excludes + * them from the list of reachable commits that we want to select from + * when computing the selection of MIDX'd commits to receive bitmaps. + * + * Reachability bitmaps do require that their objects be closed under + * reachability, but fetching any objects missing from promisors at this + * point is too late. But, if one of those objects can be reached from + * an another object that is included in the bitmap, then we will + * complain later that we don't have reachability closure (and fail + * appropriately). + */ + fetch_if_missing = 0; + revs.exclude_promisor_objects = 1; + + if (prepare_revision_walk(&revs)) + die(_("revision walk setup failed")); + + traverse_commit_list(&revs, bitmap_show_commit, NULL, &cb); + if (indexed_commits_nr_p) + *indexed_commits_nr_p = cb.commits_nr; + + release_revisions(&revs); + + trace2_region_leave("midx", "find_commits_for_midx_bitmap", + the_repository); + + return cb.commits; +} + +static int write_midx_bitmap(const char *midx_name, + const unsigned char *midx_hash, + struct packing_data *pdata, + struct commit **commits, + uint32_t commits_nr, + uint32_t *pack_order, + unsigned flags) +{ + int ret, i; + uint16_t options = 0; + struct pack_idx_entry **index; + char *bitmap_name = xstrfmt("%s-%s.bitmap", midx_name, + hash_to_hex(midx_hash)); + + trace2_region_enter("midx", "write_midx_bitmap", the_repository); + + if (flags & MIDX_WRITE_BITMAP_HASH_CACHE) + options |= BITMAP_OPT_HASH_CACHE; + + if (flags & MIDX_WRITE_BITMAP_LOOKUP_TABLE) + options |= BITMAP_OPT_LOOKUP_TABLE; + + /* + * Build the MIDX-order index based on pdata.objects (which is already + * in MIDX order; c.f., 'midx_pack_order_cmp()' for the definition of + * this order). + */ + ALLOC_ARRAY(index, pdata->nr_objects); + for (i = 0; i < pdata->nr_objects; i++) + index[i] = &pdata->objects[i].idx; + + bitmap_writer_show_progress(flags & MIDX_PROGRESS); + bitmap_writer_build_type_index(pdata, index, pdata->nr_objects); + + /* + * bitmap_writer_finish expects objects in lex order, but pack_order + * gives us exactly that. use it directly instead of re-sorting the + * array. + * + * This changes the order of objects in 'index' between + * bitmap_writer_build_type_index and bitmap_writer_finish. + * + * The same re-ordering takes place in the single-pack bitmap code via + * write_idx_file(), which is called by finish_tmp_packfile(), which + * happens between bitmap_writer_build_type_index() and + * bitmap_writer_finish(). + */ + for (i = 0; i < pdata->nr_objects; i++) + index[pack_order[i]] = &pdata->objects[i].idx; + + bitmap_writer_select_commits(commits, commits_nr, -1); + ret = bitmap_writer_build(pdata); + if (ret < 0) + goto cleanup; + + bitmap_writer_set_checksum(midx_hash); + bitmap_writer_finish(index, pdata->nr_objects, bitmap_name, options); + +cleanup: + free(index); + free(bitmap_name); + + trace2_region_leave("midx", "write_midx_bitmap", the_repository); + + return ret; +} + +static struct multi_pack_index *lookup_multi_pack_index(struct repository *r, + const char *object_dir) +{ + struct multi_pack_index *result = NULL; + struct multi_pack_index *cur; + char *obj_dir_real = real_pathdup(object_dir, 1); + struct strbuf cur_path_real = STRBUF_INIT; + + /* Ensure the given object_dir is local, or a known alternate. */ + find_odb(r, obj_dir_real); + + for (cur = get_multi_pack_index(r); cur; cur = cur->next) { + strbuf_realpath(&cur_path_real, cur->object_dir, 1); + if (!strcmp(obj_dir_real, cur_path_real.buf)) { + result = cur; + goto cleanup; + } + } + +cleanup: + free(obj_dir_real); + strbuf_release(&cur_path_real); + return result; +} + +static int write_midx_internal(const char *object_dir, + struct string_list *packs_to_include, + struct string_list *packs_to_drop, + const char *preferred_pack_name, + const char *refs_snapshot, + unsigned flags) +{ + struct strbuf midx_name = STRBUF_INIT; + unsigned char midx_hash[GIT_MAX_RAWSZ]; + uint32_t i; + struct hashfile *f = NULL; + struct lock_file lk; + struct write_midx_context ctx = { 0 }; + int bitmapped_packs_concat_len = 0; + int pack_name_concat_len = 0; + int dropped_packs = 0; + int result = 0; + struct chunkfile *cf; + + trace2_region_enter("midx", "write_midx_internal", the_repository); + + get_midx_filename(&midx_name, object_dir); + if (safe_create_leading_directories(midx_name.buf)) + die_errno(_("unable to create leading directories of %s"), + midx_name.buf); + + if (!packs_to_include) { + /* + * Only reference an existing MIDX when not filtering which + * packs to include, since all packs and objects are copied + * blindly from an existing MIDX if one is present. + */ + ctx.m = lookup_multi_pack_index(the_repository, object_dir); + } + + if (ctx.m && !midx_checksum_valid(ctx.m)) { + warning(_("ignoring existing multi-pack-index; checksum mismatch")); + ctx.m = NULL; + } + + ctx.nr = 0; + ctx.alloc = ctx.m ? ctx.m->num_packs : 16; + ctx.info = NULL; + ALLOC_ARRAY(ctx.info, ctx.alloc); + + if (ctx.m) { + for (i = 0; i < ctx.m->num_packs; i++) { + ALLOC_GROW(ctx.info, ctx.nr + 1, ctx.alloc); + + if (flags & MIDX_WRITE_REV_INDEX) { + /* + * If generating a reverse index, need to have + * packed_git's loaded to compare their + * mtimes and object count. + */ + if (prepare_midx_pack(the_repository, ctx.m, i)) { + error(_("could not load pack")); + result = 1; + goto cleanup; + } + + if (open_pack_index(ctx.m->packs[i])) + die(_("could not open index for %s"), + ctx.m->packs[i]->pack_name); + } + + fill_pack_info(&ctx.info[ctx.nr++], ctx.m->packs[i], + ctx.m->pack_names[i], i); + } + } + + ctx.pack_paths_checked = 0; + if (flags & MIDX_PROGRESS) + ctx.progress = start_delayed_progress(_("Adding packfiles to multi-pack-index"), 0); + else + ctx.progress = NULL; + + ctx.to_include = packs_to_include; + + for_each_file_in_pack_dir(object_dir, add_pack_to_midx, &ctx); + stop_progress(&ctx.progress); + + if ((ctx.m && ctx.nr == ctx.m->num_packs) && + !(packs_to_include || packs_to_drop)) { + struct bitmap_index *bitmap_git; + int bitmap_exists; + int want_bitmap = flags & MIDX_WRITE_BITMAP; + + bitmap_git = prepare_midx_bitmap_git(ctx.m); + bitmap_exists = bitmap_git && bitmap_is_midx(bitmap_git); + free_bitmap_index(bitmap_git); + + if (bitmap_exists || !want_bitmap) { + /* + * The correct MIDX already exists, and so does a + * corresponding bitmap (or one wasn't requested). + */ + if (!want_bitmap) + clear_midx_files_ext(object_dir, ".bitmap", + NULL); + goto cleanup; + } + } + + if (preferred_pack_name) { + ctx.preferred_pack_idx = -1; + + for (i = 0; i < ctx.nr; i++) { + if (!cmp_idx_or_pack_name(preferred_pack_name, + ctx.info[i].pack_name)) { + ctx.preferred_pack_idx = i; + break; + } + } + + if (ctx.preferred_pack_idx == -1) + warning(_("unknown preferred pack: '%s'"), + preferred_pack_name); + } else if (ctx.nr && + (flags & (MIDX_WRITE_REV_INDEX | MIDX_WRITE_BITMAP))) { + struct packed_git *oldest = ctx.info[ctx.preferred_pack_idx].p; + ctx.preferred_pack_idx = 0; + + if (packs_to_drop && packs_to_drop->nr) + BUG("cannot write a MIDX bitmap during expiration"); + + /* + * set a preferred pack when writing a bitmap to ensure that + * the pack from which the first object is selected in pseudo + * pack-order has all of its objects selected from that pack + * (and not another pack containing a duplicate) + */ + for (i = 1; i < ctx.nr; i++) { + struct packed_git *p = ctx.info[i].p; + + if (!oldest->num_objects || p->mtime < oldest->mtime) { + oldest = p; + ctx.preferred_pack_idx = i; + } + } + + if (!oldest->num_objects) { + /* + * If all packs are empty; unset the preferred index. + * This is acceptable since there will be no duplicate + * objects to resolve, so the preferred value doesn't + * matter. + */ + ctx.preferred_pack_idx = -1; + } + } else { + /* + * otherwise don't mark any pack as preferred to avoid + * interfering with expiration logic below + */ + ctx.preferred_pack_idx = -1; + } + + if (ctx.preferred_pack_idx > -1) { + struct packed_git *preferred = ctx.info[ctx.preferred_pack_idx].p; + if (!preferred->num_objects) { + error(_("cannot select preferred pack %s with no objects"), + preferred->pack_name); + result = 1; + goto cleanup; + } + } + + ctx.entries = get_sorted_entries(ctx.m, ctx.info, ctx.nr, &ctx.entries_nr, + ctx.preferred_pack_idx); + + ctx.large_offsets_needed = 0; + for (i = 0; i < ctx.entries_nr; i++) { + if (ctx.entries[i].offset > 0x7fffffff) + ctx.num_large_offsets++; + if (ctx.entries[i].offset > 0xffffffff) + ctx.large_offsets_needed = 1; + } + + QSORT(ctx.info, ctx.nr, pack_info_compare); + + if (packs_to_drop && packs_to_drop->nr) { + int drop_index = 0; + int missing_drops = 0; + + for (i = 0; i < ctx.nr && drop_index < packs_to_drop->nr; i++) { + int cmp = strcmp(ctx.info[i].pack_name, + packs_to_drop->items[drop_index].string); + + if (!cmp) { + drop_index++; + ctx.info[i].expired = 1; + } else if (cmp > 0) { + error(_("did not see pack-file %s to drop"), + packs_to_drop->items[drop_index].string); + drop_index++; + missing_drops++; + i--; + } else { + ctx.info[i].expired = 0; + } + } + + if (missing_drops) { + result = 1; + goto cleanup; + } + } + + /* + * pack_perm stores a permutation between pack-int-ids from the + * previous multi-pack-index to the new one we are writing: + * + * pack_perm[old_id] = new_id + */ + ALLOC_ARRAY(ctx.pack_perm, ctx.nr); + for (i = 0; i < ctx.nr; i++) { + if (ctx.info[i].expired) { + dropped_packs++; + ctx.pack_perm[ctx.info[i].orig_pack_int_id] = PACK_EXPIRED; + } else { + ctx.pack_perm[ctx.info[i].orig_pack_int_id] = i - dropped_packs; + } + } + + for (i = 0; i < ctx.nr; i++) { + if (ctx.info[i].expired) + continue; + pack_name_concat_len += strlen(ctx.info[i].pack_name) + 1; + bitmapped_packs_concat_len += 2 * sizeof(uint32_t); + } + + /* Check that the preferred pack wasn't expired (if given). */ + if (preferred_pack_name) { + struct pack_info *preferred = bsearch(preferred_pack_name, + ctx.info, ctx.nr, + sizeof(*ctx.info), + idx_or_pack_name_cmp); + if (preferred) { + uint32_t perm = ctx.pack_perm[preferred->orig_pack_int_id]; + if (perm == PACK_EXPIRED) + warning(_("preferred pack '%s' is expired"), + preferred_pack_name); + } + } + + if (pack_name_concat_len % MIDX_CHUNK_ALIGNMENT) + pack_name_concat_len += MIDX_CHUNK_ALIGNMENT - + (pack_name_concat_len % MIDX_CHUNK_ALIGNMENT); + + hold_lock_file_for_update(&lk, midx_name.buf, LOCK_DIE_ON_ERROR); + f = hashfd(get_lock_file_fd(&lk), get_lock_file_path(&lk)); + + if (ctx.nr - dropped_packs == 0) { + error(_("no pack files to index.")); + result = 1; + goto cleanup; + } + + if (!ctx.entries_nr) { + if (flags & MIDX_WRITE_BITMAP) + warning(_("refusing to write multi-pack .bitmap without any objects")); + flags &= ~(MIDX_WRITE_REV_INDEX | MIDX_WRITE_BITMAP); + } + + cf = init_chunkfile(f); + + add_chunk(cf, MIDX_CHUNKID_PACKNAMES, pack_name_concat_len, + write_midx_pack_names); + add_chunk(cf, MIDX_CHUNKID_OIDFANOUT, MIDX_CHUNK_FANOUT_SIZE, + write_midx_oid_fanout); + add_chunk(cf, MIDX_CHUNKID_OIDLOOKUP, + st_mult(ctx.entries_nr, the_hash_algo->rawsz), + write_midx_oid_lookup); + add_chunk(cf, MIDX_CHUNKID_OBJECTOFFSETS, + st_mult(ctx.entries_nr, MIDX_CHUNK_OFFSET_WIDTH), + write_midx_object_offsets); + + if (ctx.large_offsets_needed) + add_chunk(cf, MIDX_CHUNKID_LARGEOFFSETS, + st_mult(ctx.num_large_offsets, + MIDX_CHUNK_LARGE_OFFSET_WIDTH), + write_midx_large_offsets); + + if (flags & (MIDX_WRITE_REV_INDEX | MIDX_WRITE_BITMAP)) { + ctx.pack_order = midx_pack_order(&ctx); + add_chunk(cf, MIDX_CHUNKID_REVINDEX, + st_mult(ctx.entries_nr, sizeof(uint32_t)), + write_midx_revindex); + add_chunk(cf, MIDX_CHUNKID_BITMAPPEDPACKS, + bitmapped_packs_concat_len, + write_midx_bitmapped_packs); + } + + write_midx_header(f, get_num_chunks(cf), ctx.nr - dropped_packs); + write_chunkfile(cf, &ctx); + + finalize_hashfile(f, midx_hash, FSYNC_COMPONENT_PACK_METADATA, + CSUM_FSYNC | CSUM_HASH_IN_STREAM); + free_chunkfile(cf); + + if (flags & MIDX_WRITE_REV_INDEX && + git_env_bool("GIT_TEST_MIDX_WRITE_REV", 0)) + write_midx_reverse_index(midx_name.buf, midx_hash, &ctx); + + if (flags & MIDX_WRITE_BITMAP) { + struct packing_data pdata; + struct commit **commits; + uint32_t commits_nr; + + if (!ctx.entries_nr) + BUG("cannot write a bitmap without any objects"); + + prepare_midx_packing_data(&pdata, &ctx); + + commits = find_commits_for_midx_bitmap(&commits_nr, refs_snapshot, &ctx); + + /* + * The previous steps translated the information from + * 'entries' into information suitable for constructing + * bitmaps. We no longer need that array, so clear it to + * reduce memory pressure. + */ + FREE_AND_NULL(ctx.entries); + ctx.entries_nr = 0; + + if (write_midx_bitmap(midx_name.buf, midx_hash, &pdata, + commits, commits_nr, ctx.pack_order, + flags) < 0) { + error(_("could not write multi-pack bitmap")); + result = 1; + clear_packing_data(&pdata); + free(commits); + goto cleanup; + } + + clear_packing_data(&pdata); + free(commits); + } + /* + * NOTE: Do not use ctx.entries beyond this point, since it might + * have been freed in the previous if block. + */ + + if (ctx.m) + close_object_store(the_repository->objects); + + if (commit_lock_file(&lk) < 0) + die_errno(_("could not write multi-pack-index")); + + clear_midx_files_ext(object_dir, ".bitmap", midx_hash); + clear_midx_files_ext(object_dir, ".rev", midx_hash); + +cleanup: + for (i = 0; i < ctx.nr; i++) { + if (ctx.info[i].p) { + close_pack(ctx.info[i].p); + free(ctx.info[i].p); + } + free(ctx.info[i].pack_name); + } + + free(ctx.info); + free(ctx.entries); + free(ctx.pack_perm); + free(ctx.pack_order); + strbuf_release(&midx_name); + + trace2_region_leave("midx", "write_midx_internal", the_repository); + + return result; +} + +int write_midx_file(const char *object_dir, + const char *preferred_pack_name, + const char *refs_snapshot, + unsigned flags) +{ + return write_midx_internal(object_dir, NULL, NULL, preferred_pack_name, + refs_snapshot, flags); +} + +int write_midx_file_only(const char *object_dir, + struct string_list *packs_to_include, + const char *preferred_pack_name, + const char *refs_snapshot, + unsigned flags) +{ + return write_midx_internal(object_dir, packs_to_include, NULL, + preferred_pack_name, refs_snapshot, flags); +} + +int expire_midx_packs(struct repository *r, const char *object_dir, unsigned flags) +{ + uint32_t i, *count, result = 0; + struct string_list packs_to_drop = STRING_LIST_INIT_DUP; + struct multi_pack_index *m = lookup_multi_pack_index(r, object_dir); + struct progress *progress = NULL; + + if (!m) + return 0; + + CALLOC_ARRAY(count, m->num_packs); + + if (flags & MIDX_PROGRESS) + progress = start_delayed_progress(_("Counting referenced objects"), + m->num_objects); + for (i = 0; i < m->num_objects; i++) { + int pack_int_id = nth_midxed_pack_int_id(m, i); + count[pack_int_id]++; + display_progress(progress, i + 1); + } + stop_progress(&progress); + + if (flags & MIDX_PROGRESS) + progress = start_delayed_progress(_("Finding and deleting unreferenced packfiles"), + m->num_packs); + for (i = 0; i < m->num_packs; i++) { + char *pack_name; + display_progress(progress, i + 1); + + if (count[i]) + continue; + + if (prepare_midx_pack(r, m, i)) + continue; + + if (m->packs[i]->pack_keep || m->packs[i]->is_cruft) + continue; + + pack_name = xstrdup(m->packs[i]->pack_name); + close_pack(m->packs[i]); + + string_list_insert(&packs_to_drop, m->pack_names[i]); + unlink_pack_path(pack_name, 0); + free(pack_name); + } + stop_progress(&progress); + + free(count); + + if (packs_to_drop.nr) + result = write_midx_internal(object_dir, NULL, &packs_to_drop, NULL, NULL, flags); + + string_list_clear(&packs_to_drop, 0); + + return result; +} + +struct repack_info { + timestamp_t mtime; + uint32_t referenced_objects; + uint32_t pack_int_id; +}; + +static int compare_by_mtime(const void *a_, const void *b_) +{ + const struct repack_info *a, *b; + + a = (const struct repack_info *)a_; + b = (const struct repack_info *)b_; + + if (a->mtime < b->mtime) + return -1; + if (a->mtime > b->mtime) + return 1; + return 0; +} + +static int want_included_pack(struct repository *r, + struct multi_pack_index *m, + int pack_kept_objects, + uint32_t pack_int_id) +{ + struct packed_git *p; + if (prepare_midx_pack(r, m, pack_int_id)) + return 0; + p = m->packs[pack_int_id]; + if (!pack_kept_objects && p->pack_keep) + return 0; + if (p->is_cruft) + return 0; + if (open_pack_index(p) || !p->num_objects) + return 0; + return 1; +} + +static void fill_included_packs_all(struct repository *r, + struct multi_pack_index *m, + unsigned char *include_pack) +{ + uint32_t i; + int pack_kept_objects = 0; + + repo_config_get_bool(r, "repack.packkeptobjects", &pack_kept_objects); + + for (i = 0; i < m->num_packs; i++) { + if (!want_included_pack(r, m, pack_kept_objects, i)) + continue; + + include_pack[i] = 1; + } +} + +static void fill_included_packs_batch(struct repository *r, + struct multi_pack_index *m, + unsigned char *include_pack, + size_t batch_size) +{ + uint32_t i; + size_t total_size; + struct repack_info *pack_info; + int pack_kept_objects = 0; + + CALLOC_ARRAY(pack_info, m->num_packs); + + repo_config_get_bool(r, "repack.packkeptobjects", &pack_kept_objects); + + for (i = 0; i < m->num_packs; i++) { + pack_info[i].pack_int_id = i; + + if (prepare_midx_pack(r, m, i)) + continue; + + pack_info[i].mtime = m->packs[i]->mtime; + } + + for (i = 0; i < m->num_objects; i++) { + uint32_t pack_int_id = nth_midxed_pack_int_id(m, i); + pack_info[pack_int_id].referenced_objects++; + } + + QSORT(pack_info, m->num_packs, compare_by_mtime); + + total_size = 0; + for (i = 0; total_size < batch_size && i < m->num_packs; i++) { + int pack_int_id = pack_info[i].pack_int_id; + struct packed_git *p = m->packs[pack_int_id]; + size_t expected_size; + + if (!want_included_pack(r, m, pack_kept_objects, pack_int_id)) + continue; + + expected_size = st_mult(p->pack_size, + pack_info[i].referenced_objects); + expected_size /= p->num_objects; + + if (expected_size >= batch_size) + continue; + + total_size += expected_size; + include_pack[pack_int_id] = 1; + } + + free(pack_info); +} + +int midx_repack(struct repository *r, const char *object_dir, size_t batch_size, unsigned flags) +{ + int result = 0; + uint32_t i, packs_to_repack = 0; + unsigned char *include_pack; + struct child_process cmd = CHILD_PROCESS_INIT; + FILE *cmd_in; + struct multi_pack_index *m = lookup_multi_pack_index(r, object_dir); + + /* + * When updating the default for these configuration + * variables in builtin/repack.c, these must be adjusted + * to match. + */ + int delta_base_offset = 1; + int use_delta_islands = 0; + + if (!m) + return 0; + + CALLOC_ARRAY(include_pack, m->num_packs); + + if (batch_size) + fill_included_packs_batch(r, m, include_pack, batch_size); + else + fill_included_packs_all(r, m, include_pack); + + for (i = 0; i < m->num_packs; i++) { + if (include_pack[i]) + packs_to_repack++; + } + if (packs_to_repack <= 1) + goto cleanup; + + repo_config_get_bool(r, "repack.usedeltabaseoffset", &delta_base_offset); + repo_config_get_bool(r, "repack.usedeltaislands", &use_delta_islands); + + strvec_pushl(&cmd.args, "pack-objects", "--stdin-packs", "--non-empty", + NULL); + + strvec_pushf(&cmd.args, "%s/pack/pack", object_dir); + + if (delta_base_offset) + strvec_push(&cmd.args, "--delta-base-offset"); + if (use_delta_islands) + strvec_push(&cmd.args, "--delta-islands"); + + if (flags & MIDX_PROGRESS) + strvec_push(&cmd.args, "--progress"); + else + strvec_push(&cmd.args, "-q"); + + cmd.git_cmd = 1; + cmd.in = cmd.out = -1; + + if (start_command(&cmd)) { + error(_("could not start pack-objects")); + result = 1; + goto cleanup; + } + + cmd_in = xfdopen(cmd.in, "w"); + for (i = 0; i < m->num_packs; i++) { + struct packed_git *p = m->packs[i]; + if (!p) + continue; + + if (include_pack[i]) + fprintf(cmd_in, "%s\n", pack_basename(p)); + else + fprintf(cmd_in, "^%s\n", pack_basename(p)); + } + fclose(cmd_in); + + if (finish_command(&cmd)) { + error(_("could not finish pack-objects")); + result = 1; + goto cleanup; + } + + result = write_midx_internal(object_dir, NULL, NULL, NULL, NULL, flags); + +cleanup: + free(include_pack); + return result; +} @@ -1,52 +1,22 @@ #include "git-compat-util.h" -#include "abspath.h" #include "config.h" -#include "csum-file.h" #include "dir.h" -#include "gettext.h" #include "hex.h" -#include "lockfile.h" #include "packfile.h" #include "object-file.h" -#include "object-store-ll.h" #include "hash-lookup.h" #include "midx.h" #include "progress.h" #include "trace2.h" -#include "run-command.h" -#include "repository.h" #include "chunk-format.h" -#include "pack.h" #include "pack-bitmap.h" -#include "refs.h" -#include "revision.h" -#include "list-objects.h" #include "pack-revindex.h" -#define MIDX_SIGNATURE 0x4d494458 /* "MIDX" */ -#define MIDX_VERSION 1 -#define MIDX_BYTE_FILE_VERSION 4 -#define MIDX_BYTE_HASH_VERSION 5 -#define MIDX_BYTE_NUM_CHUNKS 6 -#define MIDX_BYTE_NUM_PACKS 8 -#define MIDX_HEADER_SIZE 12 -#define MIDX_MIN_SIZE (MIDX_HEADER_SIZE + the_hash_algo->rawsz) - -#define MIDX_CHUNK_ALIGNMENT 4 -#define MIDX_CHUNKID_PACKNAMES 0x504e414d /* "PNAM" */ -#define MIDX_CHUNKID_BITMAPPEDPACKS 0x42544d50 /* "BTMP" */ -#define MIDX_CHUNKID_OIDFANOUT 0x4f494446 /* "OIDF" */ -#define MIDX_CHUNKID_OIDLOOKUP 0x4f49444c /* "OIDL" */ -#define MIDX_CHUNKID_OBJECTOFFSETS 0x4f4f4646 /* "OOFF" */ -#define MIDX_CHUNKID_LARGEOFFSETS 0x4c4f4646 /* "LOFF" */ -#define MIDX_CHUNKID_REVINDEX 0x52494458 /* "RIDX" */ -#define MIDX_CHUNK_FANOUT_SIZE (sizeof(uint32_t) * 256) -#define MIDX_CHUNK_OFFSET_WIDTH (2 * sizeof(uint32_t)) -#define MIDX_CHUNK_LARGE_OFFSET_WIDTH (sizeof(uint64_t)) -#define MIDX_CHUNK_BITMAPPED_PACKS_WIDTH (2 * sizeof(uint32_t)) -#define MIDX_LARGE_OFFSET_NEEDED 0x80000000 - -#define PACK_EXPIRED UINT_MAX +int midx_checksum_valid(struct multi_pack_index *m); +void clear_midx_files_ext(const char *object_dir, const char *ext, + unsigned char *keep_hash); +int cmp_idx_or_pack_name(const char *idx_or_pack_name, + const char *idx_name); const unsigned char *get_midx_checksum(struct multi_pack_index *m) { @@ -115,6 +85,8 @@ static int midx_read_object_offsets(const unsigned char *chunk_start, return 0; } +#define MIDX_MIN_SIZE (MIDX_HEADER_SIZE + the_hash_algo->rawsz) + struct multi_pack_index *load_multi_pack_index(const char *object_dir, int local) { struct multi_pack_index *m = NULL; @@ -294,6 +266,8 @@ int prepare_midx_pack(struct repository *r, struct multi_pack_index *m, uint32_t return 0; } +#define MIDX_CHUNK_BITMAPPED_PACKS_WIDTH (2 * sizeof(uint32_t)) + int nth_bitmapped_pack(struct repository *r, struct multi_pack_index *m, struct bitmapped_pack *bp, uint32_t pack_int_id) { @@ -400,8 +374,8 @@ int fill_midx_entry(struct repository *r, } /* Match "foo.idx" against either "foo.pack" _or_ "foo.idx". */ -static int cmp_idx_or_pack_name(const char *idx_or_pack_name, - const char *idx_name) +int cmp_idx_or_pack_name(const char *idx_or_pack_name, + const char *idx_name) { /* Skip past any initial matching prefix. */ while (*idx_name && *idx_name == *idx_or_pack_name) { @@ -508,1262 +482,11 @@ int prepare_multi_pack_index_one(struct repository *r, const char *object_dir, i return 0; } -static size_t write_midx_header(struct hashfile *f, - unsigned char num_chunks, - uint32_t num_packs) -{ - hashwrite_be32(f, MIDX_SIGNATURE); - hashwrite_u8(f, MIDX_VERSION); - hashwrite_u8(f, oid_version(the_hash_algo)); - hashwrite_u8(f, num_chunks); - hashwrite_u8(f, 0); /* unused */ - hashwrite_be32(f, num_packs); - - return MIDX_HEADER_SIZE; -} - -#define BITMAP_POS_UNKNOWN (~((uint32_t)0)) - -struct pack_info { - uint32_t orig_pack_int_id; - char *pack_name; - struct packed_git *p; - - uint32_t bitmap_pos; - uint32_t bitmap_nr; - - unsigned expired : 1; -}; - -static void fill_pack_info(struct pack_info *info, - struct packed_git *p, const char *pack_name, - uint32_t orig_pack_int_id) -{ - memset(info, 0, sizeof(struct pack_info)); - - info->orig_pack_int_id = orig_pack_int_id; - info->pack_name = xstrdup(pack_name); - info->p = p; - info->bitmap_pos = BITMAP_POS_UNKNOWN; -} - -static int pack_info_compare(const void *_a, const void *_b) -{ - struct pack_info *a = (struct pack_info *)_a; - struct pack_info *b = (struct pack_info *)_b; - return strcmp(a->pack_name, b->pack_name); -} - -static int idx_or_pack_name_cmp(const void *_va, const void *_vb) -{ - const char *pack_name = _va; - const struct pack_info *compar = _vb; - - return cmp_idx_or_pack_name(pack_name, compar->pack_name); -} - -struct write_midx_context { - struct pack_info *info; - size_t nr; - size_t alloc; - struct multi_pack_index *m; - struct progress *progress; - unsigned pack_paths_checked; - - struct pack_midx_entry *entries; - size_t entries_nr; - - uint32_t *pack_perm; - uint32_t *pack_order; - unsigned large_offsets_needed:1; - uint32_t num_large_offsets; - - int preferred_pack_idx; - - struct string_list *to_include; -}; - -static void add_pack_to_midx(const char *full_path, size_t full_path_len, - const char *file_name, void *data) -{ - struct write_midx_context *ctx = data; - struct packed_git *p; - - if (ends_with(file_name, ".idx")) { - display_progress(ctx->progress, ++ctx->pack_paths_checked); - /* - * Note that at most one of ctx->m and ctx->to_include are set, - * so we are testing midx_contains_pack() and - * string_list_has_string() independently (guarded by the - * appropriate NULL checks). - * - * We could support passing to_include while reusing an existing - * MIDX, but don't currently since the reuse process drags - * forward all packs from an existing MIDX (without checking - * whether or not they appear in the to_include list). - * - * If we added support for that, these next two conditional - * should be performed independently (likely checking - * to_include before the existing MIDX). - */ - if (ctx->m && midx_contains_pack(ctx->m, file_name)) - return; - else if (ctx->to_include && - !string_list_has_string(ctx->to_include, file_name)) - return; - - ALLOC_GROW(ctx->info, ctx->nr + 1, ctx->alloc); - - p = add_packed_git(full_path, full_path_len, 0); - if (!p) { - warning(_("failed to add packfile '%s'"), - full_path); - return; - } - - if (open_pack_index(p)) { - warning(_("failed to open pack-index '%s'"), - full_path); - close_pack(p); - free(p); - return; - } - - fill_pack_info(&ctx->info[ctx->nr], p, file_name, ctx->nr); - ctx->nr++; - } -} - -struct pack_midx_entry { - struct object_id oid; - uint32_t pack_int_id; - time_t pack_mtime; - uint64_t offset; - unsigned preferred : 1; -}; - -static int midx_oid_compare(const void *_a, const void *_b) -{ - const struct pack_midx_entry *a = (const struct pack_midx_entry *)_a; - const struct pack_midx_entry *b = (const struct pack_midx_entry *)_b; - int cmp = oidcmp(&a->oid, &b->oid); - - if (cmp) - return cmp; - - /* Sort objects in a preferred pack first when multiple copies exist. */ - if (a->preferred > b->preferred) - return -1; - if (a->preferred < b->preferred) - return 1; - - if (a->pack_mtime > b->pack_mtime) - return -1; - else if (a->pack_mtime < b->pack_mtime) - return 1; - - return a->pack_int_id - b->pack_int_id; -} - -static int nth_midxed_pack_midx_entry(struct multi_pack_index *m, - struct pack_midx_entry *e, - uint32_t pos) -{ - if (pos >= m->num_objects) - return 1; - - nth_midxed_object_oid(&e->oid, m, pos); - e->pack_int_id = nth_midxed_pack_int_id(m, pos); - e->offset = nth_midxed_offset(m, pos); - - /* consider objects in midx to be from "old" packs */ - e->pack_mtime = 0; - return 0; -} - -static void fill_pack_entry(uint32_t pack_int_id, - struct packed_git *p, - uint32_t cur_object, - struct pack_midx_entry *entry, - int preferred) -{ - if (nth_packed_object_id(&entry->oid, p, cur_object) < 0) - die(_("failed to locate object %d in packfile"), cur_object); - - entry->pack_int_id = pack_int_id; - entry->pack_mtime = p->mtime; - - entry->offset = nth_packed_object_offset(p, cur_object); - entry->preferred = !!preferred; -} - -struct midx_fanout { - struct pack_midx_entry *entries; - size_t nr, alloc; -}; - -static void midx_fanout_grow(struct midx_fanout *fanout, size_t nr) -{ - if (nr < fanout->nr) - BUG("negative growth in midx_fanout_grow() (%"PRIuMAX" < %"PRIuMAX")", - (uintmax_t)nr, (uintmax_t)fanout->nr); - ALLOC_GROW(fanout->entries, nr, fanout->alloc); -} - -static void midx_fanout_sort(struct midx_fanout *fanout) -{ - QSORT(fanout->entries, fanout->nr, midx_oid_compare); -} - -static void midx_fanout_add_midx_fanout(struct midx_fanout *fanout, - struct multi_pack_index *m, - uint32_t cur_fanout, - int preferred_pack) -{ - uint32_t start = 0, end; - uint32_t cur_object; - - if (cur_fanout) - start = ntohl(m->chunk_oid_fanout[cur_fanout - 1]); - end = ntohl(m->chunk_oid_fanout[cur_fanout]); - - for (cur_object = start; cur_object < end; cur_object++) { - if ((preferred_pack > -1) && - (preferred_pack == nth_midxed_pack_int_id(m, cur_object))) { - /* - * Objects from preferred packs are added - * separately. - */ - continue; - } - - midx_fanout_grow(fanout, fanout->nr + 1); - nth_midxed_pack_midx_entry(m, - &fanout->entries[fanout->nr], - cur_object); - fanout->entries[fanout->nr].preferred = 0; - fanout->nr++; - } -} - -static void midx_fanout_add_pack_fanout(struct midx_fanout *fanout, - struct pack_info *info, - uint32_t cur_pack, - int preferred, - uint32_t cur_fanout) -{ - struct packed_git *pack = info[cur_pack].p; - uint32_t start = 0, end; - uint32_t cur_object; - - if (cur_fanout) - start = get_pack_fanout(pack, cur_fanout - 1); - end = get_pack_fanout(pack, cur_fanout); - - for (cur_object = start; cur_object < end; cur_object++) { - midx_fanout_grow(fanout, fanout->nr + 1); - fill_pack_entry(cur_pack, - info[cur_pack].p, - cur_object, - &fanout->entries[fanout->nr], - preferred); - fanout->nr++; - } -} - -/* - * It is possible to artificially get into a state where there are many - * duplicate copies of objects. That can create high memory pressure if - * we are to create a list of all objects before de-duplication. To reduce - * this memory pressure without a significant performance drop, automatically - * group objects by the first byte of their object id. Use the IDX fanout - * tables to group the data, copy to a local array, then sort. - * - * Copy only the de-duplicated entries (selected by most-recent modified time - * of a packfile containing the object). - */ -static struct pack_midx_entry *get_sorted_entries(struct multi_pack_index *m, - struct pack_info *info, - uint32_t nr_packs, - size_t *nr_objects, - int preferred_pack) -{ - uint32_t cur_fanout, cur_pack, cur_object; - size_t alloc_objects, total_objects = 0; - struct midx_fanout fanout = { 0 }; - struct pack_midx_entry *deduplicated_entries = NULL; - uint32_t start_pack = m ? m->num_packs : 0; - - for (cur_pack = start_pack; cur_pack < nr_packs; cur_pack++) - total_objects = st_add(total_objects, - info[cur_pack].p->num_objects); - - /* - * As we de-duplicate by fanout value, we expect the fanout - * slices to be evenly distributed, with some noise. Hence, - * allocate slightly more than one 256th. - */ - alloc_objects = fanout.alloc = total_objects > 3200 ? total_objects / 200 : 16; - - ALLOC_ARRAY(fanout.entries, fanout.alloc); - ALLOC_ARRAY(deduplicated_entries, alloc_objects); - *nr_objects = 0; - - for (cur_fanout = 0; cur_fanout < 256; cur_fanout++) { - fanout.nr = 0; - - if (m) - midx_fanout_add_midx_fanout(&fanout, m, cur_fanout, - preferred_pack); - - for (cur_pack = start_pack; cur_pack < nr_packs; cur_pack++) { - int preferred = cur_pack == preferred_pack; - midx_fanout_add_pack_fanout(&fanout, - info, cur_pack, - preferred, cur_fanout); - } - - if (-1 < preferred_pack && preferred_pack < start_pack) - midx_fanout_add_pack_fanout(&fanout, info, - preferred_pack, 1, - cur_fanout); - - midx_fanout_sort(&fanout); - - /* - * The batch is now sorted by OID and then mtime (descending). - * Take only the first duplicate. - */ - for (cur_object = 0; cur_object < fanout.nr; cur_object++) { - if (cur_object && oideq(&fanout.entries[cur_object - 1].oid, - &fanout.entries[cur_object].oid)) - continue; - - ALLOC_GROW(deduplicated_entries, st_add(*nr_objects, 1), - alloc_objects); - memcpy(&deduplicated_entries[*nr_objects], - &fanout.entries[cur_object], - sizeof(struct pack_midx_entry)); - (*nr_objects)++; - } - } - - free(fanout.entries); - return deduplicated_entries; -} - -static int write_midx_pack_names(struct hashfile *f, void *data) -{ - struct write_midx_context *ctx = data; - uint32_t i; - unsigned char padding[MIDX_CHUNK_ALIGNMENT]; - size_t written = 0; - - for (i = 0; i < ctx->nr; i++) { - size_t writelen; - - if (ctx->info[i].expired) - continue; - - if (i && strcmp(ctx->info[i].pack_name, ctx->info[i - 1].pack_name) <= 0) - BUG("incorrect pack-file order: %s before %s", - ctx->info[i - 1].pack_name, - ctx->info[i].pack_name); - - writelen = strlen(ctx->info[i].pack_name) + 1; - hashwrite(f, ctx->info[i].pack_name, writelen); - written += writelen; - } - - /* add padding to be aligned */ - i = MIDX_CHUNK_ALIGNMENT - (written % MIDX_CHUNK_ALIGNMENT); - if (i < MIDX_CHUNK_ALIGNMENT) { - memset(padding, 0, sizeof(padding)); - hashwrite(f, padding, i); - } - - return 0; -} - -static int write_midx_bitmapped_packs(struct hashfile *f, void *data) -{ - struct write_midx_context *ctx = data; - size_t i; - - for (i = 0; i < ctx->nr; i++) { - struct pack_info *pack = &ctx->info[i]; - if (pack->expired) - continue; - - if (pack->bitmap_pos == BITMAP_POS_UNKNOWN && pack->bitmap_nr) - BUG("pack '%s' has no bitmap position, but has %d bitmapped object(s)", - pack->pack_name, pack->bitmap_nr); - - hashwrite_be32(f, pack->bitmap_pos); - hashwrite_be32(f, pack->bitmap_nr); - } - return 0; -} - -static int write_midx_oid_fanout(struct hashfile *f, - void *data) -{ - struct write_midx_context *ctx = data; - struct pack_midx_entry *list = ctx->entries; - struct pack_midx_entry *last = ctx->entries + ctx->entries_nr; - uint32_t count = 0; - uint32_t i; - - /* - * Write the first-level table (the list is sorted, - * but we use a 256-entry lookup to be able to avoid - * having to do eight extra binary search iterations). - */ - for (i = 0; i < 256; i++) { - struct pack_midx_entry *next = list; - - while (next < last && next->oid.hash[0] == i) { - count++; - next++; - } - - hashwrite_be32(f, count); - list = next; - } - - return 0; -} - -static int write_midx_oid_lookup(struct hashfile *f, - void *data) -{ - struct write_midx_context *ctx = data; - unsigned char hash_len = the_hash_algo->rawsz; - struct pack_midx_entry *list = ctx->entries; - uint32_t i; - - for (i = 0; i < ctx->entries_nr; i++) { - struct pack_midx_entry *obj = list++; - - if (i < ctx->entries_nr - 1) { - struct pack_midx_entry *next = list; - if (oidcmp(&obj->oid, &next->oid) >= 0) - BUG("OIDs not in order: %s >= %s", - oid_to_hex(&obj->oid), - oid_to_hex(&next->oid)); - } - - hashwrite(f, obj->oid.hash, (int)hash_len); - } - - return 0; -} - -static int write_midx_object_offsets(struct hashfile *f, - void *data) -{ - struct write_midx_context *ctx = data; - struct pack_midx_entry *list = ctx->entries; - uint32_t i, nr_large_offset = 0; - - for (i = 0; i < ctx->entries_nr; i++) { - struct pack_midx_entry *obj = list++; - - if (ctx->pack_perm[obj->pack_int_id] == PACK_EXPIRED) - BUG("object %s is in an expired pack with int-id %d", - oid_to_hex(&obj->oid), - obj->pack_int_id); - - hashwrite_be32(f, ctx->pack_perm[obj->pack_int_id]); - - if (ctx->large_offsets_needed && obj->offset >> 31) - hashwrite_be32(f, MIDX_LARGE_OFFSET_NEEDED | nr_large_offset++); - else if (!ctx->large_offsets_needed && obj->offset >> 32) - BUG("object %s requires a large offset (%"PRIx64") but the MIDX is not writing large offsets!", - oid_to_hex(&obj->oid), - obj->offset); - else - hashwrite_be32(f, (uint32_t)obj->offset); - } - - return 0; -} - -static int write_midx_large_offsets(struct hashfile *f, - void *data) -{ - struct write_midx_context *ctx = data; - struct pack_midx_entry *list = ctx->entries; - struct pack_midx_entry *end = ctx->entries + ctx->entries_nr; - uint32_t nr_large_offset = ctx->num_large_offsets; - - while (nr_large_offset) { - struct pack_midx_entry *obj; - uint64_t offset; - - if (list >= end) - BUG("too many large-offset objects"); - - obj = list++; - offset = obj->offset; - - if (!(offset >> 31)) - continue; - - hashwrite_be64(f, offset); - - nr_large_offset--; - } - - return 0; -} - -static int write_midx_revindex(struct hashfile *f, - void *data) -{ - struct write_midx_context *ctx = data; - uint32_t i; - - for (i = 0; i < ctx->entries_nr; i++) - hashwrite_be32(f, ctx->pack_order[i]); - - return 0; -} - -struct midx_pack_order_data { - uint32_t nr; - uint32_t pack; - off_t offset; -}; - -static int midx_pack_order_cmp(const void *va, const void *vb) -{ - const struct midx_pack_order_data *a = va, *b = vb; - if (a->pack < b->pack) - return -1; - else if (a->pack > b->pack) - return 1; - else if (a->offset < b->offset) - return -1; - else if (a->offset > b->offset) - return 1; - else - return 0; -} - -static uint32_t *midx_pack_order(struct write_midx_context *ctx) -{ - struct midx_pack_order_data *data; - uint32_t *pack_order; - uint32_t i; - - trace2_region_enter("midx", "midx_pack_order", the_repository); - - ALLOC_ARRAY(data, ctx->entries_nr); - for (i = 0; i < ctx->entries_nr; i++) { - struct pack_midx_entry *e = &ctx->entries[i]; - data[i].nr = i; - data[i].pack = ctx->pack_perm[e->pack_int_id]; - if (!e->preferred) - data[i].pack |= (1U << 31); - data[i].offset = e->offset; - } - - QSORT(data, ctx->entries_nr, midx_pack_order_cmp); - - ALLOC_ARRAY(pack_order, ctx->entries_nr); - for (i = 0; i < ctx->entries_nr; i++) { - struct pack_midx_entry *e = &ctx->entries[data[i].nr]; - struct pack_info *pack = &ctx->info[ctx->pack_perm[e->pack_int_id]]; - if (pack->bitmap_pos == BITMAP_POS_UNKNOWN) - pack->bitmap_pos = i; - pack->bitmap_nr++; - pack_order[i] = data[i].nr; - } - for (i = 0; i < ctx->nr; i++) { - struct pack_info *pack = &ctx->info[ctx->pack_perm[i]]; - if (pack->bitmap_pos == BITMAP_POS_UNKNOWN) - pack->bitmap_pos = 0; - } - free(data); - - trace2_region_leave("midx", "midx_pack_order", the_repository); - - return pack_order; -} - -static void write_midx_reverse_index(char *midx_name, unsigned char *midx_hash, - struct write_midx_context *ctx) -{ - struct strbuf buf = STRBUF_INIT; - const char *tmp_file; - - trace2_region_enter("midx", "write_midx_reverse_index", the_repository); - - strbuf_addf(&buf, "%s-%s.rev", midx_name, hash_to_hex(midx_hash)); - - tmp_file = write_rev_file_order(NULL, ctx->pack_order, ctx->entries_nr, - midx_hash, WRITE_REV); - - if (finalize_object_file(tmp_file, buf.buf)) - die(_("cannot store reverse index file")); - - strbuf_release(&buf); - - trace2_region_leave("midx", "write_midx_reverse_index", the_repository); -} - -static void clear_midx_files_ext(const char *object_dir, const char *ext, - unsigned char *keep_hash); - -static int midx_checksum_valid(struct multi_pack_index *m) +int midx_checksum_valid(struct multi_pack_index *m) { return hashfile_checksum_valid(m->data, m->data_len); } -static void prepare_midx_packing_data(struct packing_data *pdata, - struct write_midx_context *ctx) -{ - uint32_t i; - - trace2_region_enter("midx", "prepare_midx_packing_data", the_repository); - - memset(pdata, 0, sizeof(struct packing_data)); - prepare_packing_data(the_repository, pdata); - - for (i = 0; i < ctx->entries_nr; i++) { - struct pack_midx_entry *from = &ctx->entries[ctx->pack_order[i]]; - struct object_entry *to = packlist_alloc(pdata, &from->oid); - - oe_set_in_pack(pdata, to, - ctx->info[ctx->pack_perm[from->pack_int_id]].p); - } - - trace2_region_leave("midx", "prepare_midx_packing_data", the_repository); -} - -static int add_ref_to_pending(const char *refname, - const struct object_id *oid, - int flag, void *cb_data) -{ - struct rev_info *revs = (struct rev_info*)cb_data; - struct object_id peeled; - struct object *object; - - if ((flag & REF_ISSYMREF) && (flag & REF_ISBROKEN)) { - warning("symbolic ref is dangling: %s", refname); - return 0; - } - - if (!peel_iterated_oid(oid, &peeled)) - oid = &peeled; - - object = parse_object_or_die(oid, refname); - if (object->type != OBJ_COMMIT) - return 0; - - add_pending_object(revs, object, ""); - if (bitmap_is_preferred_refname(revs->repo, refname)) - object->flags |= NEEDS_BITMAP; - return 0; -} - -struct bitmap_commit_cb { - struct commit **commits; - size_t commits_nr, commits_alloc; - - struct write_midx_context *ctx; -}; - -static const struct object_id *bitmap_oid_access(size_t index, - const void *_entries) -{ - const struct pack_midx_entry *entries = _entries; - return &entries[index].oid; -} - -static void bitmap_show_commit(struct commit *commit, void *_data) -{ - struct bitmap_commit_cb *data = _data; - int pos = oid_pos(&commit->object.oid, data->ctx->entries, - data->ctx->entries_nr, - bitmap_oid_access); - if (pos < 0) - return; - - ALLOC_GROW(data->commits, data->commits_nr + 1, data->commits_alloc); - data->commits[data->commits_nr++] = commit; -} - -static int read_refs_snapshot(const char *refs_snapshot, - struct rev_info *revs) -{ - struct strbuf buf = STRBUF_INIT; - struct object_id oid; - FILE *f = xfopen(refs_snapshot, "r"); - - while (strbuf_getline(&buf, f) != EOF) { - struct object *object; - int preferred = 0; - char *hex = buf.buf; - const char *end = NULL; - - if (buf.len && *buf.buf == '+') { - preferred = 1; - hex = &buf.buf[1]; - } - - if (parse_oid_hex(hex, &oid, &end) < 0) - die(_("could not parse line: %s"), buf.buf); - if (*end) - die(_("malformed line: %s"), buf.buf); - - object = parse_object_or_die(&oid, NULL); - if (preferred) - object->flags |= NEEDS_BITMAP; - - add_pending_object(revs, object, ""); - } - - fclose(f); - strbuf_release(&buf); - return 0; -} - -static struct commit **find_commits_for_midx_bitmap(uint32_t *indexed_commits_nr_p, - const char *refs_snapshot, - struct write_midx_context *ctx) -{ - struct rev_info revs; - struct bitmap_commit_cb cb = {0}; - - trace2_region_enter("midx", "find_commits_for_midx_bitmap", - the_repository); - - cb.ctx = ctx; - - repo_init_revisions(the_repository, &revs, NULL); - if (refs_snapshot) { - read_refs_snapshot(refs_snapshot, &revs); - } else { - setup_revisions(0, NULL, &revs, NULL); - for_each_ref(add_ref_to_pending, &revs); - } - - /* - * Skipping promisor objects here is intentional, since it only excludes - * them from the list of reachable commits that we want to select from - * when computing the selection of MIDX'd commits to receive bitmaps. - * - * Reachability bitmaps do require that their objects be closed under - * reachability, but fetching any objects missing from promisors at this - * point is too late. But, if one of those objects can be reached from - * an another object that is included in the bitmap, then we will - * complain later that we don't have reachability closure (and fail - * appropriately). - */ - fetch_if_missing = 0; - revs.exclude_promisor_objects = 1; - - if (prepare_revision_walk(&revs)) - die(_("revision walk setup failed")); - - traverse_commit_list(&revs, bitmap_show_commit, NULL, &cb); - if (indexed_commits_nr_p) - *indexed_commits_nr_p = cb.commits_nr; - - release_revisions(&revs); - - trace2_region_leave("midx", "find_commits_for_midx_bitmap", - the_repository); - - return cb.commits; -} - -static int write_midx_bitmap(const char *midx_name, - const unsigned char *midx_hash, - struct packing_data *pdata, - struct commit **commits, - uint32_t commits_nr, - uint32_t *pack_order, - unsigned flags) -{ - int ret, i; - uint16_t options = 0; - struct pack_idx_entry **index; - char *bitmap_name = xstrfmt("%s-%s.bitmap", midx_name, - hash_to_hex(midx_hash)); - - trace2_region_enter("midx", "write_midx_bitmap", the_repository); - - if (flags & MIDX_WRITE_BITMAP_HASH_CACHE) - options |= BITMAP_OPT_HASH_CACHE; - - if (flags & MIDX_WRITE_BITMAP_LOOKUP_TABLE) - options |= BITMAP_OPT_LOOKUP_TABLE; - - /* - * Build the MIDX-order index based on pdata.objects (which is already - * in MIDX order; c.f., 'midx_pack_order_cmp()' for the definition of - * this order). - */ - ALLOC_ARRAY(index, pdata->nr_objects); - for (i = 0; i < pdata->nr_objects; i++) - index[i] = &pdata->objects[i].idx; - - bitmap_writer_show_progress(flags & MIDX_PROGRESS); - bitmap_writer_build_type_index(pdata, index, pdata->nr_objects); - - /* - * bitmap_writer_finish expects objects in lex order, but pack_order - * gives us exactly that. use it directly instead of re-sorting the - * array. - * - * This changes the order of objects in 'index' between - * bitmap_writer_build_type_index and bitmap_writer_finish. - * - * The same re-ordering takes place in the single-pack bitmap code via - * write_idx_file(), which is called by finish_tmp_packfile(), which - * happens between bitmap_writer_build_type_index() and - * bitmap_writer_finish(). - */ - for (i = 0; i < pdata->nr_objects; i++) - index[pack_order[i]] = &pdata->objects[i].idx; - - bitmap_writer_select_commits(commits, commits_nr, -1); - ret = bitmap_writer_build(pdata); - if (ret < 0) - goto cleanup; - - bitmap_writer_set_checksum(midx_hash); - bitmap_writer_finish(index, pdata->nr_objects, bitmap_name, options); - -cleanup: - free(index); - free(bitmap_name); - - trace2_region_leave("midx", "write_midx_bitmap", the_repository); - - return ret; -} - -static struct multi_pack_index *lookup_multi_pack_index(struct repository *r, - const char *object_dir) -{ - struct multi_pack_index *result = NULL; - struct multi_pack_index *cur; - char *obj_dir_real = real_pathdup(object_dir, 1); - struct strbuf cur_path_real = STRBUF_INIT; - - /* Ensure the given object_dir is local, or a known alternate. */ - find_odb(r, obj_dir_real); - - for (cur = get_multi_pack_index(r); cur; cur = cur->next) { - strbuf_realpath(&cur_path_real, cur->object_dir, 1); - if (!strcmp(obj_dir_real, cur_path_real.buf)) { - result = cur; - goto cleanup; - } - } - -cleanup: - free(obj_dir_real); - strbuf_release(&cur_path_real); - return result; -} - -static int write_midx_internal(const char *object_dir, - struct string_list *packs_to_include, - struct string_list *packs_to_drop, - const char *preferred_pack_name, - const char *refs_snapshot, - unsigned flags) -{ - struct strbuf midx_name = STRBUF_INIT; - unsigned char midx_hash[GIT_MAX_RAWSZ]; - uint32_t i; - struct hashfile *f = NULL; - struct lock_file lk; - struct write_midx_context ctx = { 0 }; - int bitmapped_packs_concat_len = 0; - int pack_name_concat_len = 0; - int dropped_packs = 0; - int result = 0; - struct chunkfile *cf; - - trace2_region_enter("midx", "write_midx_internal", the_repository); - - get_midx_filename(&midx_name, object_dir); - if (safe_create_leading_directories(midx_name.buf)) - die_errno(_("unable to create leading directories of %s"), - midx_name.buf); - - if (!packs_to_include) { - /* - * Only reference an existing MIDX when not filtering which - * packs to include, since all packs and objects are copied - * blindly from an existing MIDX if one is present. - */ - ctx.m = lookup_multi_pack_index(the_repository, object_dir); - } - - if (ctx.m && !midx_checksum_valid(ctx.m)) { - warning(_("ignoring existing multi-pack-index; checksum mismatch")); - ctx.m = NULL; - } - - ctx.nr = 0; - ctx.alloc = ctx.m ? ctx.m->num_packs : 16; - ctx.info = NULL; - ALLOC_ARRAY(ctx.info, ctx.alloc); - - if (ctx.m) { - for (i = 0; i < ctx.m->num_packs; i++) { - ALLOC_GROW(ctx.info, ctx.nr + 1, ctx.alloc); - - if (flags & MIDX_WRITE_REV_INDEX) { - /* - * If generating a reverse index, need to have - * packed_git's loaded to compare their - * mtimes and object count. - */ - if (prepare_midx_pack(the_repository, ctx.m, i)) { - error(_("could not load pack")); - result = 1; - goto cleanup; - } - - if (open_pack_index(ctx.m->packs[i])) - die(_("could not open index for %s"), - ctx.m->packs[i]->pack_name); - } - - fill_pack_info(&ctx.info[ctx.nr++], ctx.m->packs[i], - ctx.m->pack_names[i], i); - } - } - - ctx.pack_paths_checked = 0; - if (flags & MIDX_PROGRESS) - ctx.progress = start_delayed_progress(_("Adding packfiles to multi-pack-index"), 0); - else - ctx.progress = NULL; - - ctx.to_include = packs_to_include; - - for_each_file_in_pack_dir(object_dir, add_pack_to_midx, &ctx); - stop_progress(&ctx.progress); - - if ((ctx.m && ctx.nr == ctx.m->num_packs) && - !(packs_to_include || packs_to_drop)) { - struct bitmap_index *bitmap_git; - int bitmap_exists; - int want_bitmap = flags & MIDX_WRITE_BITMAP; - - bitmap_git = prepare_midx_bitmap_git(ctx.m); - bitmap_exists = bitmap_git && bitmap_is_midx(bitmap_git); - free_bitmap_index(bitmap_git); - - if (bitmap_exists || !want_bitmap) { - /* - * The correct MIDX already exists, and so does a - * corresponding bitmap (or one wasn't requested). - */ - if (!want_bitmap) - clear_midx_files_ext(object_dir, ".bitmap", - NULL); - goto cleanup; - } - } - - if (preferred_pack_name) { - ctx.preferred_pack_idx = -1; - - for (i = 0; i < ctx.nr; i++) { - if (!cmp_idx_or_pack_name(preferred_pack_name, - ctx.info[i].pack_name)) { - ctx.preferred_pack_idx = i; - break; - } - } - - if (ctx.preferred_pack_idx == -1) - warning(_("unknown preferred pack: '%s'"), - preferred_pack_name); - } else if (ctx.nr && - (flags & (MIDX_WRITE_REV_INDEX | MIDX_WRITE_BITMAP))) { - struct packed_git *oldest = ctx.info[ctx.preferred_pack_idx].p; - ctx.preferred_pack_idx = 0; - - if (packs_to_drop && packs_to_drop->nr) - BUG("cannot write a MIDX bitmap during expiration"); - - /* - * set a preferred pack when writing a bitmap to ensure that - * the pack from which the first object is selected in pseudo - * pack-order has all of its objects selected from that pack - * (and not another pack containing a duplicate) - */ - for (i = 1; i < ctx.nr; i++) { - struct packed_git *p = ctx.info[i].p; - - if (!oldest->num_objects || p->mtime < oldest->mtime) { - oldest = p; - ctx.preferred_pack_idx = i; - } - } - - if (!oldest->num_objects) { - /* - * If all packs are empty; unset the preferred index. - * This is acceptable since there will be no duplicate - * objects to resolve, so the preferred value doesn't - * matter. - */ - ctx.preferred_pack_idx = -1; - } - } else { - /* - * otherwise don't mark any pack as preferred to avoid - * interfering with expiration logic below - */ - ctx.preferred_pack_idx = -1; - } - - if (ctx.preferred_pack_idx > -1) { - struct packed_git *preferred = ctx.info[ctx.preferred_pack_idx].p; - if (!preferred->num_objects) { - error(_("cannot select preferred pack %s with no objects"), - preferred->pack_name); - result = 1; - goto cleanup; - } - } - - ctx.entries = get_sorted_entries(ctx.m, ctx.info, ctx.nr, &ctx.entries_nr, - ctx.preferred_pack_idx); - - ctx.large_offsets_needed = 0; - for (i = 0; i < ctx.entries_nr; i++) { - if (ctx.entries[i].offset > 0x7fffffff) - ctx.num_large_offsets++; - if (ctx.entries[i].offset > 0xffffffff) - ctx.large_offsets_needed = 1; - } - - QSORT(ctx.info, ctx.nr, pack_info_compare); - - if (packs_to_drop && packs_to_drop->nr) { - int drop_index = 0; - int missing_drops = 0; - - for (i = 0; i < ctx.nr && drop_index < packs_to_drop->nr; i++) { - int cmp = strcmp(ctx.info[i].pack_name, - packs_to_drop->items[drop_index].string); - - if (!cmp) { - drop_index++; - ctx.info[i].expired = 1; - } else if (cmp > 0) { - error(_("did not see pack-file %s to drop"), - packs_to_drop->items[drop_index].string); - drop_index++; - missing_drops++; - i--; - } else { - ctx.info[i].expired = 0; - } - } - - if (missing_drops) { - result = 1; - goto cleanup; - } - } - - /* - * pack_perm stores a permutation between pack-int-ids from the - * previous multi-pack-index to the new one we are writing: - * - * pack_perm[old_id] = new_id - */ - ALLOC_ARRAY(ctx.pack_perm, ctx.nr); - for (i = 0; i < ctx.nr; i++) { - if (ctx.info[i].expired) { - dropped_packs++; - ctx.pack_perm[ctx.info[i].orig_pack_int_id] = PACK_EXPIRED; - } else { - ctx.pack_perm[ctx.info[i].orig_pack_int_id] = i - dropped_packs; - } - } - - for (i = 0; i < ctx.nr; i++) { - if (ctx.info[i].expired) - continue; - pack_name_concat_len += strlen(ctx.info[i].pack_name) + 1; - bitmapped_packs_concat_len += 2 * sizeof(uint32_t); - } - - /* Check that the preferred pack wasn't expired (if given). */ - if (preferred_pack_name) { - struct pack_info *preferred = bsearch(preferred_pack_name, - ctx.info, ctx.nr, - sizeof(*ctx.info), - idx_or_pack_name_cmp); - if (preferred) { - uint32_t perm = ctx.pack_perm[preferred->orig_pack_int_id]; - if (perm == PACK_EXPIRED) - warning(_("preferred pack '%s' is expired"), - preferred_pack_name); - } - } - - if (pack_name_concat_len % MIDX_CHUNK_ALIGNMENT) - pack_name_concat_len += MIDX_CHUNK_ALIGNMENT - - (pack_name_concat_len % MIDX_CHUNK_ALIGNMENT); - - hold_lock_file_for_update(&lk, midx_name.buf, LOCK_DIE_ON_ERROR); - f = hashfd(get_lock_file_fd(&lk), get_lock_file_path(&lk)); - - if (ctx.nr - dropped_packs == 0) { - error(_("no pack files to index.")); - result = 1; - goto cleanup; - } - - if (!ctx.entries_nr) { - if (flags & MIDX_WRITE_BITMAP) - warning(_("refusing to write multi-pack .bitmap without any objects")); - flags &= ~(MIDX_WRITE_REV_INDEX | MIDX_WRITE_BITMAP); - } - - cf = init_chunkfile(f); - - add_chunk(cf, MIDX_CHUNKID_PACKNAMES, pack_name_concat_len, - write_midx_pack_names); - add_chunk(cf, MIDX_CHUNKID_OIDFANOUT, MIDX_CHUNK_FANOUT_SIZE, - write_midx_oid_fanout); - add_chunk(cf, MIDX_CHUNKID_OIDLOOKUP, - st_mult(ctx.entries_nr, the_hash_algo->rawsz), - write_midx_oid_lookup); - add_chunk(cf, MIDX_CHUNKID_OBJECTOFFSETS, - st_mult(ctx.entries_nr, MIDX_CHUNK_OFFSET_WIDTH), - write_midx_object_offsets); - - if (ctx.large_offsets_needed) - add_chunk(cf, MIDX_CHUNKID_LARGEOFFSETS, - st_mult(ctx.num_large_offsets, - MIDX_CHUNK_LARGE_OFFSET_WIDTH), - write_midx_large_offsets); - - if (flags & (MIDX_WRITE_REV_INDEX | MIDX_WRITE_BITMAP)) { - ctx.pack_order = midx_pack_order(&ctx); - add_chunk(cf, MIDX_CHUNKID_REVINDEX, - st_mult(ctx.entries_nr, sizeof(uint32_t)), - write_midx_revindex); - add_chunk(cf, MIDX_CHUNKID_BITMAPPEDPACKS, - bitmapped_packs_concat_len, - write_midx_bitmapped_packs); - } - - write_midx_header(f, get_num_chunks(cf), ctx.nr - dropped_packs); - write_chunkfile(cf, &ctx); - - finalize_hashfile(f, midx_hash, FSYNC_COMPONENT_PACK_METADATA, - CSUM_FSYNC | CSUM_HASH_IN_STREAM); - free_chunkfile(cf); - - if (flags & MIDX_WRITE_REV_INDEX && - git_env_bool("GIT_TEST_MIDX_WRITE_REV", 0)) - write_midx_reverse_index(midx_name.buf, midx_hash, &ctx); - - if (flags & MIDX_WRITE_BITMAP) { - struct packing_data pdata; - struct commit **commits; - uint32_t commits_nr; - - if (!ctx.entries_nr) - BUG("cannot write a bitmap without any objects"); - - prepare_midx_packing_data(&pdata, &ctx); - - commits = find_commits_for_midx_bitmap(&commits_nr, refs_snapshot, &ctx); - - /* - * The previous steps translated the information from - * 'entries' into information suitable for constructing - * bitmaps. We no longer need that array, so clear it to - * reduce memory pressure. - */ - FREE_AND_NULL(ctx.entries); - ctx.entries_nr = 0; - - if (write_midx_bitmap(midx_name.buf, midx_hash, &pdata, - commits, commits_nr, ctx.pack_order, - flags) < 0) { - error(_("could not write multi-pack bitmap")); - result = 1; - clear_packing_data(&pdata); - free(commits); - goto cleanup; - } - - clear_packing_data(&pdata); - free(commits); - } - /* - * NOTE: Do not use ctx.entries beyond this point, since it might - * have been freed in the previous if block. - */ - - if (ctx.m) - close_object_store(the_repository->objects); - - if (commit_lock_file(&lk) < 0) - die_errno(_("could not write multi-pack-index")); - - clear_midx_files_ext(object_dir, ".bitmap", midx_hash); - clear_midx_files_ext(object_dir, ".rev", midx_hash); - -cleanup: - for (i = 0; i < ctx.nr; i++) { - if (ctx.info[i].p) { - close_pack(ctx.info[i].p); - free(ctx.info[i].p); - } - free(ctx.info[i].pack_name); - } - - free(ctx.info); - free(ctx.entries); - free(ctx.pack_perm); - free(ctx.pack_order); - strbuf_release(&midx_name); - - trace2_region_leave("midx", "write_midx_internal", the_repository); - - return result; -} - -int write_midx_file(const char *object_dir, - const char *preferred_pack_name, - const char *refs_snapshot, - unsigned flags) -{ - return write_midx_internal(object_dir, NULL, NULL, preferred_pack_name, - refs_snapshot, flags); -} - -int write_midx_file_only(const char *object_dir, - struct string_list *packs_to_include, - const char *preferred_pack_name, - const char *refs_snapshot, - unsigned flags) -{ - return write_midx_internal(object_dir, packs_to_include, NULL, - preferred_pack_name, refs_snapshot, flags); -} - struct clear_midx_data { char *keep; const char *ext; @@ -1784,8 +507,8 @@ static void clear_midx_file_ext(const char *full_path, size_t full_path_len UNUS die_errno(_("failed to remove %s"), full_path); } -static void clear_midx_files_ext(const char *object_dir, const char *ext, - unsigned char *keep_hash) +void clear_midx_files_ext(const char *object_dir, const char *ext, + unsigned char *keep_hash) { struct clear_midx_data data; memset(&data, 0, sizeof(struct clear_midx_data)); @@ -1988,256 +711,3 @@ cleanup: return verify_midx_error; } - -int expire_midx_packs(struct repository *r, const char *object_dir, unsigned flags) -{ - uint32_t i, *count, result = 0; - struct string_list packs_to_drop = STRING_LIST_INIT_DUP; - struct multi_pack_index *m = lookup_multi_pack_index(r, object_dir); - struct progress *progress = NULL; - - if (!m) - return 0; - - CALLOC_ARRAY(count, m->num_packs); - - if (flags & MIDX_PROGRESS) - progress = start_delayed_progress(_("Counting referenced objects"), - m->num_objects); - for (i = 0; i < m->num_objects; i++) { - int pack_int_id = nth_midxed_pack_int_id(m, i); - count[pack_int_id]++; - display_progress(progress, i + 1); - } - stop_progress(&progress); - - if (flags & MIDX_PROGRESS) - progress = start_delayed_progress(_("Finding and deleting unreferenced packfiles"), - m->num_packs); - for (i = 0; i < m->num_packs; i++) { - char *pack_name; - display_progress(progress, i + 1); - - if (count[i]) - continue; - - if (prepare_midx_pack(r, m, i)) - continue; - - if (m->packs[i]->pack_keep || m->packs[i]->is_cruft) - continue; - - pack_name = xstrdup(m->packs[i]->pack_name); - close_pack(m->packs[i]); - - string_list_insert(&packs_to_drop, m->pack_names[i]); - unlink_pack_path(pack_name, 0); - free(pack_name); - } - stop_progress(&progress); - - free(count); - - if (packs_to_drop.nr) - result = write_midx_internal(object_dir, NULL, &packs_to_drop, NULL, NULL, flags); - - string_list_clear(&packs_to_drop, 0); - - return result; -} - -struct repack_info { - timestamp_t mtime; - uint32_t referenced_objects; - uint32_t pack_int_id; -}; - -static int compare_by_mtime(const void *a_, const void *b_) -{ - const struct repack_info *a, *b; - - a = (const struct repack_info *)a_; - b = (const struct repack_info *)b_; - - if (a->mtime < b->mtime) - return -1; - if (a->mtime > b->mtime) - return 1; - return 0; -} - -static int fill_included_packs_all(struct repository *r, - struct multi_pack_index *m, - unsigned char *include_pack) -{ - uint32_t i, count = 0; - int pack_kept_objects = 0; - - repo_config_get_bool(r, "repack.packkeptobjects", &pack_kept_objects); - - for (i = 0; i < m->num_packs; i++) { - if (prepare_midx_pack(r, m, i)) - continue; - if (!pack_kept_objects && m->packs[i]->pack_keep) - continue; - if (m->packs[i]->is_cruft) - continue; - - include_pack[i] = 1; - count++; - } - - return count < 2; -} - -static int fill_included_packs_batch(struct repository *r, - struct multi_pack_index *m, - unsigned char *include_pack, - size_t batch_size) -{ - uint32_t i, packs_to_repack; - size_t total_size; - struct repack_info *pack_info; - int pack_kept_objects = 0; - - CALLOC_ARRAY(pack_info, m->num_packs); - - repo_config_get_bool(r, "repack.packkeptobjects", &pack_kept_objects); - - for (i = 0; i < m->num_packs; i++) { - pack_info[i].pack_int_id = i; - - if (prepare_midx_pack(r, m, i)) - continue; - - pack_info[i].mtime = m->packs[i]->mtime; - } - - for (i = 0; i < m->num_objects; i++) { - uint32_t pack_int_id = nth_midxed_pack_int_id(m, i); - pack_info[pack_int_id].referenced_objects++; - } - - QSORT(pack_info, m->num_packs, compare_by_mtime); - - total_size = 0; - packs_to_repack = 0; - for (i = 0; total_size < batch_size && i < m->num_packs; i++) { - int pack_int_id = pack_info[i].pack_int_id; - struct packed_git *p = m->packs[pack_int_id]; - size_t expected_size; - - if (!p) - continue; - if (!pack_kept_objects && p->pack_keep) - continue; - if (p->is_cruft) - continue; - if (open_pack_index(p) || !p->num_objects) - continue; - - expected_size = st_mult(p->pack_size, - pack_info[i].referenced_objects); - expected_size /= p->num_objects; - - if (expected_size >= batch_size) - continue; - - packs_to_repack++; - total_size += expected_size; - include_pack[pack_int_id] = 1; - } - - free(pack_info); - - if (packs_to_repack < 2) - return 1; - - return 0; -} - -int midx_repack(struct repository *r, const char *object_dir, size_t batch_size, unsigned flags) -{ - int result = 0; - uint32_t i; - unsigned char *include_pack; - struct child_process cmd = CHILD_PROCESS_INIT; - FILE *cmd_in; - struct strbuf base_name = STRBUF_INIT; - struct multi_pack_index *m = lookup_multi_pack_index(r, object_dir); - - /* - * When updating the default for these configuration - * variables in builtin/repack.c, these must be adjusted - * to match. - */ - int delta_base_offset = 1; - int use_delta_islands = 0; - - if (!m) - return 0; - - CALLOC_ARRAY(include_pack, m->num_packs); - - if (batch_size) { - if (fill_included_packs_batch(r, m, include_pack, batch_size)) - goto cleanup; - } else if (fill_included_packs_all(r, m, include_pack)) - goto cleanup; - - repo_config_get_bool(r, "repack.usedeltabaseoffset", &delta_base_offset); - repo_config_get_bool(r, "repack.usedeltaislands", &use_delta_islands); - - strvec_push(&cmd.args, "pack-objects"); - - strbuf_addstr(&base_name, object_dir); - strbuf_addstr(&base_name, "/pack/pack"); - strvec_push(&cmd.args, base_name.buf); - - if (delta_base_offset) - strvec_push(&cmd.args, "--delta-base-offset"); - if (use_delta_islands) - strvec_push(&cmd.args, "--delta-islands"); - - if (flags & MIDX_PROGRESS) - strvec_push(&cmd.args, "--progress"); - else - strvec_push(&cmd.args, "-q"); - - strbuf_release(&base_name); - - cmd.git_cmd = 1; - cmd.in = cmd.out = -1; - - if (start_command(&cmd)) { - error(_("could not start pack-objects")); - result = 1; - goto cleanup; - } - - cmd_in = xfdopen(cmd.in, "w"); - - for (i = 0; i < m->num_objects; i++) { - struct object_id oid; - uint32_t pack_int_id = nth_midxed_pack_int_id(m, i); - - if (!include_pack[pack_int_id]) - continue; - - nth_midxed_object_oid(&oid, m, i); - fprintf(cmd_in, "%s\n", oid_to_hex(&oid)); - } - fclose(cmd_in); - - if (finish_command(&cmd)) { - error(_("could not finish pack-objects")); - result = 1; - goto cleanup; - } - - result = write_midx_internal(object_dir, NULL, NULL, NULL, NULL, flags); - -cleanup: - free(include_pack); - return result; -} @@ -8,6 +8,25 @@ struct pack_entry; struct repository; struct bitmapped_pack; +#define MIDX_SIGNATURE 0x4d494458 /* "MIDX" */ +#define MIDX_VERSION 1 +#define MIDX_BYTE_FILE_VERSION 4 +#define MIDX_BYTE_HASH_VERSION 5 +#define MIDX_BYTE_NUM_CHUNKS 6 +#define MIDX_BYTE_NUM_PACKS 8 +#define MIDX_HEADER_SIZE 12 + +#define MIDX_CHUNK_ALIGNMENT 4 +#define MIDX_CHUNKID_PACKNAMES 0x504e414d /* "PNAM" */ +#define MIDX_CHUNKID_BITMAPPEDPACKS 0x42544d50 /* "BTMP" */ +#define MIDX_CHUNKID_OIDFANOUT 0x4f494446 /* "OIDF" */ +#define MIDX_CHUNKID_OIDLOOKUP 0x4f49444c /* "OIDL" */ +#define MIDX_CHUNKID_OBJECTOFFSETS 0x4f4f4646 /* "OOFF" */ +#define MIDX_CHUNKID_LARGEOFFSETS 0x4c4f4646 /* "LOFF" */ +#define MIDX_CHUNKID_REVINDEX 0x52494458 /* "RIDX" */ +#define MIDX_CHUNK_OFFSET_WIDTH (2 * sizeof(uint32_t)) +#define MIDX_LARGE_OFFSET_NEEDED 0x80000000 + #define GIT_TEST_MULTI_PACK_INDEX "GIT_TEST_MULTI_PACK_INDEX" #define GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP \ "GIT_TEST_MULTI_PACK_INDEX_WRITE_BITMAP" diff --git a/name-hash.c b/name-hash.c index 251f036eef..3a58ce03d9 100644 --- a/name-hash.c +++ b/name-hash.c @@ -685,13 +685,20 @@ static int same_name(const struct cache_entry *ce, const char *name, int namelen return slow_same_name(name, namelen, ce->name, len); } -int index_dir_exists(struct index_state *istate, const char *name, int namelen) +int index_dir_find(struct index_state *istate, const char *name, int namelen, + struct strbuf *canonical_path) { struct dir_entry *dir; lazy_init_name_hash(istate); expand_to_path(istate, name, namelen, 0); dir = find_dir_entry(istate, name, namelen); + + if (canonical_path && dir && dir->nr) { + strbuf_reset(canonical_path); + strbuf_add(canonical_path, dir->name, dir->namelen); + } + return dir && dir->nr; } diff --git a/name-hash.h b/name-hash.h index b1b4b0fb33..0cbfc42863 100644 --- a/name-hash.h +++ b/name-hash.h @@ -4,7 +4,12 @@ struct cache_entry; struct index_state; -int index_dir_exists(struct index_state *istate, const char *name, int namelen); + +int index_dir_find(struct index_state *istate, const char *name, int namelen, + struct strbuf *canonical_path); + +#define index_dir_exists(i, n, l) index_dir_find((i), (n), (l), NULL) + void adjust_dirname_case(struct index_state *istate, char *name); struct cache_entry *index_file_exists(struct index_state *istate, const char *name, int namelen, int igncase); diff --git a/notes-merge.c b/notes-merge.c index 8799b522a5..51282934ae 100644 --- a/notes-merge.c +++ b/notes-merge.c @@ -607,7 +607,8 @@ int notes_merge(struct notes_merge_options *o, assert(local && remote); /* Find merge bases */ - bases = repo_get_merge_bases(the_repository, local, remote); + if (repo_get_merge_bases(the_repository, local, remote, &bases) < 0) + exit(128); if (!bases) { base_oid = null_oid(); base_tree_oid = the_hash_algo->empty_tree; diff --git a/object-file-convert.c b/object-file-convert.c new file mode 100644 index 0000000000..4f6189095b --- /dev/null +++ b/object-file-convert.c @@ -0,0 +1,277 @@ +#include "git-compat-util.h" +#include "gettext.h" +#include "strbuf.h" +#include "hex.h" +#include "repository.h" +#include "hash-ll.h" +#include "hash.h" +#include "object.h" +#include "loose.h" +#include "commit.h" +#include "gpg-interface.h" +#include "object-file-convert.h" + +int repo_oid_to_algop(struct repository *repo, const struct object_id *src, + const struct git_hash_algo *to, struct object_id *dest) +{ + /* + * If the source algorithm is not set, then we're using the + * default hash algorithm for that object. + */ + const struct git_hash_algo *from = + src->algo ? &hash_algos[src->algo] : repo->hash_algo; + + if (from == to) { + if (src != dest) + oidcpy(dest, src); + return 0; + } + if (repo_loose_object_map_oid(repo, src, to, dest)) { + /* + * We may have loaded the object map at repo initialization but + * another process (perhaps upstream of a pipe from us) may have + * written a new object into the map. If the object is missing, + * let's reload the map to see if the object has appeared. + */ + repo_read_loose_object_map(repo); + if (repo_loose_object_map_oid(repo, src, to, dest)) + return -1; + } + return 0; +} + +static int decode_tree_entry_raw(struct object_id *oid, const char **path, + size_t *len, const struct git_hash_algo *algo, + const char *buf, unsigned long size) +{ + uint16_t mode; + const unsigned hashsz = algo->rawsz; + + if (size < hashsz + 3 || buf[size - (hashsz + 1)]) { + return -1; + } + + *path = parse_mode(buf, &mode); + if (!*path || !**path) + return -1; + *len = strlen(*path) + 1; + + oidread_algop(oid, (const unsigned char *)*path + *len, algo); + return 0; +} + +static int convert_tree_object(struct strbuf *out, + const struct git_hash_algo *from, + const struct git_hash_algo *to, + const char *buffer, size_t size) +{ + const char *p = buffer, *end = buffer + size; + + while (p < end) { + struct object_id entry_oid, mapped_oid; + const char *path = NULL; + size_t pathlen; + + if (decode_tree_entry_raw(&entry_oid, &path, &pathlen, from, p, + end - p)) + return error(_("failed to decode tree entry")); + if (repo_oid_to_algop(the_repository, &entry_oid, to, &mapped_oid)) + return error(_("failed to map tree entry for %s"), oid_to_hex(&entry_oid)); + strbuf_add(out, p, path - p); + strbuf_add(out, path, pathlen); + strbuf_add(out, mapped_oid.hash, to->rawsz); + p = path + pathlen + from->rawsz; + } + return 0; +} + +static int convert_tag_object(struct strbuf *out, + const struct git_hash_algo *from, + const struct git_hash_algo *to, + const char *buffer, size_t size) +{ + struct strbuf payload = STRBUF_INIT, oursig = STRBUF_INIT, othersig = STRBUF_INIT; + const int entry_len = from->hexsz + 7; + size_t payload_size; + struct object_id oid, mapped_oid; + const char *p; + + /* Consume the object line */ + if ((entry_len >= size) || + memcmp(buffer, "object ", 7) || buffer[entry_len] != '\n') + return error("bogus tag object"); + if (parse_oid_hex_algop(buffer + 7, &oid, &p, from) < 0) + return error("bad tag object ID"); + if (repo_oid_to_algop(the_repository, &oid, to, &mapped_oid)) + return error("unable to map tree %s in tag object", + oid_to_hex(&oid)); + size -= ((p + 1) - buffer); + buffer = p + 1; + + /* Is there a signature for our algorithm? */ + payload_size = parse_signed_buffer(buffer, size); + if (payload_size != size) { + /* Yes, there is. */ + strbuf_add(&oursig, buffer + payload_size, size - payload_size); + } + + /* Now, is there a signature for the other algorithm? */ + parse_buffer_signed_by_header(buffer, payload_size, &payload, &othersig, to); + /* + * Our payload is now in payload and we may have up to two signatrures + * in oursig and othersig. + */ + + /* Add some slop for longer signature header in the new algorithm. */ + strbuf_grow(out, (7 + to->hexsz + 1) + size + 7); + strbuf_addf(out, "object %s\n", oid_to_hex(&mapped_oid)); + strbuf_addbuf(out, &payload); + if (oursig.len) + add_header_signature(out, &oursig, from); + strbuf_addbuf(out, &othersig); + + strbuf_release(&payload); + strbuf_release(&othersig); + strbuf_release(&oursig); + return 0; +} + +static int convert_commit_object(struct strbuf *out, + const struct git_hash_algo *from, + const struct git_hash_algo *to, + const char *buffer, size_t size) +{ + const char *tail = buffer; + const char *bufptr = buffer; + const int tree_entry_len = from->hexsz + 5; + const int parent_entry_len = from->hexsz + 7; + struct object_id oid, mapped_oid; + const char *p, *eol; + + tail += size; + + while ((bufptr < tail) && (*bufptr != '\n')) { + eol = memchr(bufptr, '\n', tail - bufptr); + if (!eol) + return error(_("bad %s in commit"), "line"); + + if (((bufptr + 5) < eol) && !memcmp(bufptr, "tree ", 5)) + { + if (((bufptr + tree_entry_len) != eol) || + parse_oid_hex_algop(bufptr + 5, &oid, &p, from) || + (p != eol)) + return error(_("bad %s in commit"), "tree"); + + if (repo_oid_to_algop(the_repository, &oid, to, &mapped_oid)) + return error(_("unable to map %s %s in commit object"), + "tree", oid_to_hex(&oid)); + strbuf_addf(out, "tree %s\n", oid_to_hex(&mapped_oid)); + } + else if (((bufptr + 7) < eol) && !memcmp(bufptr, "parent ", 7)) + { + if (((bufptr + parent_entry_len) != eol) || + parse_oid_hex_algop(bufptr + 7, &oid, &p, from) || + (p != eol)) + return error(_("bad %s in commit"), "parent"); + + if (repo_oid_to_algop(the_repository, &oid, to, &mapped_oid)) + return error(_("unable to map %s %s in commit object"), + "parent", oid_to_hex(&oid)); + + strbuf_addf(out, "parent %s\n", oid_to_hex(&mapped_oid)); + } + else if (((bufptr + 9) < eol) && !memcmp(bufptr, "mergetag ", 9)) + { + struct strbuf tag = STRBUF_INIT, new_tag = STRBUF_INIT; + + /* Recover the tag object from the mergetag */ + strbuf_add(&tag, bufptr + 9, (eol - (bufptr + 9)) + 1); + + bufptr = eol + 1; + while ((bufptr < tail) && (*bufptr == ' ')) { + eol = memchr(bufptr, '\n', tail - bufptr); + if (!eol) { + strbuf_release(&tag); + return error(_("bad %s in commit"), "mergetag continuation"); + } + strbuf_add(&tag, bufptr + 1, (eol - (bufptr + 1)) + 1); + bufptr = eol + 1; + } + + /* Compute the new tag object */ + if (convert_tag_object(&new_tag, from, to, tag.buf, tag.len)) { + strbuf_release(&tag); + strbuf_release(&new_tag); + return -1; + } + + /* Write the new mergetag */ + strbuf_addstr(out, "mergetag"); + strbuf_add_lines(out, " ", new_tag.buf, new_tag.len); + strbuf_release(&tag); + strbuf_release(&new_tag); + } + else if (((bufptr + 7) < tail) && !memcmp(bufptr, "author ", 7)) + strbuf_add(out, bufptr, (eol - bufptr) + 1); + else if (((bufptr + 10) < tail) && !memcmp(bufptr, "committer ", 10)) + strbuf_add(out, bufptr, (eol - bufptr) + 1); + else if (((bufptr + 9) < tail) && !memcmp(bufptr, "encoding ", 9)) + strbuf_add(out, bufptr, (eol - bufptr) + 1); + else if (((bufptr + 6) < tail) && !memcmp(bufptr, "gpgsig", 6)) + strbuf_add(out, bufptr, (eol - bufptr) + 1); + else { + /* Unknown line fail it might embed an oid */ + return -1; + } + /* Consume any trailing continuation lines */ + bufptr = eol + 1; + while ((bufptr < tail) && (*bufptr == ' ')) { + eol = memchr(bufptr, '\n', tail - bufptr); + if (!eol) + return error(_("bad %s in commit"), "continuation"); + strbuf_add(out, bufptr, (eol - bufptr) + 1); + bufptr = eol + 1; + } + } + if (bufptr < tail) + strbuf_add(out, bufptr, tail - bufptr); + return 0; +} + +int convert_object_file(struct strbuf *outbuf, + const struct git_hash_algo *from, + const struct git_hash_algo *to, + const void *buf, size_t len, + enum object_type type, + int gentle) +{ + int ret; + + /* Don't call this function when no conversion is necessary */ + if ((from == to) || (type == OBJ_BLOB)) + BUG("Refusing noop object file conversion"); + + switch (type) { + case OBJ_COMMIT: + ret = convert_commit_object(outbuf, from, to, buf, len); + break; + case OBJ_TREE: + ret = convert_tree_object(outbuf, from, to, buf, len); + break; + case OBJ_TAG: + ret = convert_tag_object(outbuf, from, to, buf, len); + break; + default: + /* Not implemented yet, so fail. */ + ret = -1; + break; + } + if (!ret) + return 0; + if (gentle) { + strbuf_release(outbuf); + return ret; + } + die(_("Failed to convert object from %s to %s"), + from->name, to->name); +} diff --git a/object-file-convert.h b/object-file-convert.h new file mode 100644 index 0000000000..a4f802aa8e --- /dev/null +++ b/object-file-convert.h @@ -0,0 +1,24 @@ +#ifndef OBJECT_CONVERT_H +#define OBJECT_CONVERT_H + +struct repository; +struct object_id; +struct git_hash_algo; +struct strbuf; +#include "object.h" + +int repo_oid_to_algop(struct repository *repo, const struct object_id *src, + const struct git_hash_algo *to, struct object_id *dest); + +/* + * Convert an object file from one hash algorithm to another algorithm. + * Return -1 on failure, 0 on success. + */ +int convert_object_file(struct strbuf *outbuf, + const struct git_hash_algo *from, + const struct git_hash_algo *to, + const void *buf, size_t len, + enum object_type type, + int gentle); + +#endif /* OBJECT_CONVERT_H */ diff --git a/object-file.c b/object-file.c index 619f039ebc..610b1f465c 100644 --- a/object-file.c +++ b/object-file.c @@ -35,6 +35,8 @@ #include "setup.h" #include "submodule.h" #include "fsck.h" +#include "loose.h" +#include "object-file-convert.h" /* The maximum size for an object header. */ #define MAX_HEADER_LEN 32 @@ -1084,9 +1086,11 @@ int check_object_signature(struct repository *r, const struct object_id *oid, void *buf, unsigned long size, enum object_type type) { + const struct git_hash_algo *algo = + oid->algo ? &hash_algos[oid->algo] : r->hash_algo; struct object_id real_oid; - hash_object_file(r->hash_algo, buf, size, type, &real_oid); + hash_object_file(algo, buf, size, type, &real_oid); return !oideq(oid, &real_oid) ? -1 : 0; } @@ -1652,10 +1656,101 @@ static int do_oid_object_info_extended(struct repository *r, return 0; } +static int oid_object_info_convert(struct repository *r, + const struct object_id *input_oid, + struct object_info *input_oi, unsigned flags) +{ + const struct git_hash_algo *input_algo = &hash_algos[input_oid->algo]; + int do_die = flags & OBJECT_INFO_DIE_IF_CORRUPT; + struct strbuf type_name = STRBUF_INIT; + struct object_id oid, delta_base_oid; + struct object_info new_oi, *oi; + unsigned long size; + void *content; + int ret; + + if (repo_oid_to_algop(r, input_oid, the_hash_algo, &oid)) { + if (do_die) + die(_("missing mapping of %s to %s"), + oid_to_hex(input_oid), the_hash_algo->name); + return -1; + } + + /* Is new_oi needed? */ + oi = input_oi; + if (input_oi && (input_oi->delta_base_oid || input_oi->sizep || + input_oi->contentp)) { + new_oi = *input_oi; + /* Does delta_base_oid need to be converted? */ + if (input_oi->delta_base_oid) + new_oi.delta_base_oid = &delta_base_oid; + /* Will the attributes differ when converted? */ + if (input_oi->sizep || input_oi->contentp) { + new_oi.contentp = &content; + new_oi.sizep = &size; + new_oi.type_name = &type_name; + } + oi = &new_oi; + } + + ret = oid_object_info_extended(r, &oid, oi, flags); + if (ret) + return -1; + if (oi == input_oi) + return ret; + + if (new_oi.contentp) { + struct strbuf outbuf = STRBUF_INIT; + enum object_type type; + + type = type_from_string_gently(type_name.buf, type_name.len, + !do_die); + if (type == -1) + return -1; + if (type != OBJ_BLOB) { + ret = convert_object_file(&outbuf, + the_hash_algo, input_algo, + content, size, type, !do_die); + if (ret == -1) + return -1; + free(content); + size = outbuf.len; + content = strbuf_detach(&outbuf, NULL); + } + if (input_oi->sizep) + *input_oi->sizep = size; + if (input_oi->contentp) + *input_oi->contentp = content; + else + free(content); + if (input_oi->type_name) + *input_oi->type_name = type_name; + else + strbuf_release(&type_name); + } + if (new_oi.delta_base_oid == &delta_base_oid) { + if (repo_oid_to_algop(r, &delta_base_oid, input_algo, + input_oi->delta_base_oid)) { + if (do_die) + die(_("missing mapping of %s to %s"), + oid_to_hex(&delta_base_oid), + input_algo->name); + return -1; + } + } + input_oi->whence = new_oi.whence; + input_oi->u = new_oi.u; + return ret; +} + int oid_object_info_extended(struct repository *r, const struct object_id *oid, struct object_info *oi, unsigned flags) { int ret; + + if (oid->algo && (hash_algo_by_ptr(r->hash_algo) != oid->algo)) + return oid_object_info_convert(r, oid, oi, flags); + obj_read_lock(); ret = do_oid_object_info_extended(r, oid, oi, flags); obj_read_unlock(); @@ -1944,9 +2039,12 @@ static int start_loose_object_common(struct strbuf *tmp_file, const char *filename, unsigned flags, git_zstream *stream, unsigned char *buf, size_t buflen, - git_hash_ctx *c, + git_hash_ctx *c, git_hash_ctx *compat_c, char *hdr, int hdrlen) { + struct repository *repo = the_repository; + const struct git_hash_algo *algo = repo->hash_algo; + const struct git_hash_algo *compat = repo->compat_hash_algo; int fd; fd = create_tmpfile(tmp_file, filename); @@ -1966,14 +2064,18 @@ static int start_loose_object_common(struct strbuf *tmp_file, git_deflate_init(stream, zlib_compression_level); stream->next_out = buf; stream->avail_out = buflen; - the_hash_algo->init_fn(c); + algo->init_fn(c); + if (compat && compat_c) + compat->init_fn(compat_c); /* Start to feed header to zlib stream */ stream->next_in = (unsigned char *)hdr; stream->avail_in = hdrlen; while (git_deflate(stream, 0) == Z_OK) ; /* nothing */ - the_hash_algo->update_fn(c, hdr, hdrlen); + algo->update_fn(c, hdr, hdrlen); + if (compat && compat_c) + compat->update_fn(compat_c, hdr, hdrlen); return fd; } @@ -1982,16 +2084,21 @@ static int start_loose_object_common(struct strbuf *tmp_file, * Common steps for the inner git_deflate() loop for writing loose * objects. Returns what git_deflate() returns. */ -static int write_loose_object_common(git_hash_ctx *c, +static int write_loose_object_common(git_hash_ctx *c, git_hash_ctx *compat_c, git_zstream *stream, const int flush, unsigned char *in0, const int fd, unsigned char *compressed, const size_t compressed_len) { + struct repository *repo = the_repository; + const struct git_hash_algo *algo = repo->hash_algo; + const struct git_hash_algo *compat = repo->compat_hash_algo; int ret; ret = git_deflate(stream, flush ? Z_FINISH : 0); - the_hash_algo->update_fn(c, in0, stream->next_in - in0); + algo->update_fn(c, in0, stream->next_in - in0); + if (compat && compat_c) + compat->update_fn(compat_c, in0, stream->next_in - in0); if (write_in_full(fd, compressed, stream->next_out - compressed) < 0) die_errno(_("unable to write loose object file")); stream->next_out = compressed; @@ -2006,15 +2113,21 @@ static int write_loose_object_common(git_hash_ctx *c, * - End the compression of zlib stream. * - Get the calculated oid to "oid". */ -static int end_loose_object_common(git_hash_ctx *c, git_zstream *stream, - struct object_id *oid) +static int end_loose_object_common(git_hash_ctx *c, git_hash_ctx *compat_c, + git_zstream *stream, struct object_id *oid, + struct object_id *compat_oid) { + struct repository *repo = the_repository; + const struct git_hash_algo *algo = repo->hash_algo; + const struct git_hash_algo *compat = repo->compat_hash_algo; int ret; ret = git_deflate_end_gently(stream); if (ret != Z_OK) return ret; - the_hash_algo->final_oid_fn(oid, c); + algo->final_oid_fn(oid, c); + if (compat && compat_c) + compat->final_oid_fn(compat_oid, compat_c); return Z_OK; } @@ -2038,7 +2151,7 @@ static int write_loose_object(const struct object_id *oid, char *hdr, fd = start_loose_object_common(&tmp_file, filename.buf, flags, &stream, compressed, sizeof(compressed), - &c, hdr, hdrlen); + &c, NULL, hdr, hdrlen); if (fd < 0) return -1; @@ -2048,14 +2161,14 @@ static int write_loose_object(const struct object_id *oid, char *hdr, do { unsigned char *in0 = stream.next_in; - ret = write_loose_object_common(&c, &stream, 1, in0, fd, + ret = write_loose_object_common(&c, NULL, &stream, 1, in0, fd, compressed, sizeof(compressed)); } while (ret == Z_OK); if (ret != Z_STREAM_END) die(_("unable to deflate new object %s (%d)"), oid_to_hex(oid), ret); - ret = end_loose_object_common(&c, &stream, ¶no_oid); + ret = end_loose_object_common(&c, NULL, &stream, ¶no_oid, NULL); if (ret != Z_OK) die(_("deflateEnd on object %s failed (%d)"), oid_to_hex(oid), ret); @@ -2100,10 +2213,12 @@ static int freshen_packed_object(const struct object_id *oid) int stream_loose_object(struct input_stream *in_stream, size_t len, struct object_id *oid) { + const struct git_hash_algo *compat = the_repository->compat_hash_algo; + struct object_id compat_oid; int fd, ret, err = 0, flush = 0; unsigned char compressed[4096]; git_zstream stream; - git_hash_ctx c; + git_hash_ctx c, compat_c; struct strbuf tmp_file = STRBUF_INIT; struct strbuf filename = STRBUF_INIT; int dirlen; @@ -2127,7 +2242,7 @@ int stream_loose_object(struct input_stream *in_stream, size_t len, */ fd = start_loose_object_common(&tmp_file, filename.buf, 0, &stream, compressed, sizeof(compressed), - &c, hdr, hdrlen); + &c, &compat_c, hdr, hdrlen); if (fd < 0) { err = -1; goto cleanup; @@ -2145,7 +2260,7 @@ int stream_loose_object(struct input_stream *in_stream, size_t len, if (in_stream->is_finished) flush = 1; } - ret = write_loose_object_common(&c, &stream, flush, in0, fd, + ret = write_loose_object_common(&c, &compat_c, &stream, flush, in0, fd, compressed, sizeof(compressed)); /* * Unlike write_loose_object(), we do not have the entire @@ -2168,7 +2283,7 @@ int stream_loose_object(struct input_stream *in_stream, size_t len, */ if (ret != Z_STREAM_END) die(_("unable to stream deflate new object (%d)"), ret); - ret = end_loose_object_common(&c, &stream, oid); + ret = end_loose_object_common(&c, &compat_c, &stream, oid, &compat_oid); if (ret != Z_OK) die(_("deflateEnd on stream object failed (%d)"), ret); close_loose_object(fd, tmp_file.buf); @@ -2195,6 +2310,8 @@ int stream_loose_object(struct input_stream *in_stream, size_t len, } err = finalize_object_file(tmp_file.buf, filename.buf); + if (!err && compat) + err = repo_add_loose_object_map(the_repository, oid, &compat_oid); cleanup: strbuf_release(&tmp_file); strbuf_release(&filename); @@ -2203,19 +2320,42 @@ cleanup: int write_object_file_flags(const void *buf, unsigned long len, enum object_type type, struct object_id *oid, - unsigned flags) + struct object_id *compat_oid_in, unsigned flags) { + struct repository *repo = the_repository; + const struct git_hash_algo *algo = repo->hash_algo; + const struct git_hash_algo *compat = repo->compat_hash_algo; + struct object_id compat_oid; char hdr[MAX_HEADER_LEN]; int hdrlen = sizeof(hdr); + /* Generate compat_oid */ + if (compat) { + if (compat_oid_in) + oidcpy(&compat_oid, compat_oid_in); + else if (type == OBJ_BLOB) + hash_object_file(compat, buf, len, type, &compat_oid); + else { + struct strbuf converted = STRBUF_INIT; + convert_object_file(&converted, algo, compat, + buf, len, type, 0); + hash_object_file(compat, converted.buf, converted.len, + type, &compat_oid); + strbuf_release(&converted); + } + } + /* Normally if we have it in the pack then we do not bother writing * it out into .git/objects/??/?{38} file. */ - write_object_file_prepare(the_hash_algo, buf, len, type, oid, hdr, - &hdrlen); + write_object_file_prepare(algo, buf, len, type, oid, hdr, &hdrlen); if (freshen_packed_object(oid) || freshen_loose_object(oid)) return 0; - return write_loose_object(oid, hdr, hdrlen, buf, len, 0, flags); + if (write_loose_object(oid, hdr, hdrlen, buf, len, 0, flags)) + return -1; + if (compat) + return repo_add_loose_object_map(repo, oid, &compat_oid); + return 0; } int write_object_file_literally(const void *buf, unsigned long len, @@ -2223,7 +2363,27 @@ int write_object_file_literally(const void *buf, unsigned long len, unsigned flags) { char *header; + struct repository *repo = the_repository; + const struct git_hash_algo *algo = repo->hash_algo; + const struct git_hash_algo *compat = repo->compat_hash_algo; + struct object_id compat_oid; int hdrlen, status = 0; + int compat_type = -1; + + if (compat) { + compat_type = type_from_string_gently(type, -1, 1); + if (compat_type == OBJ_BLOB) + hash_object_file(compat, buf, len, compat_type, + &compat_oid); + else if (compat_type != -1) { + struct strbuf converted = STRBUF_INIT; + convert_object_file(&converted, algo, compat, + buf, len, compat_type, 0); + hash_object_file(compat, converted.buf, converted.len, + compat_type, &compat_oid); + strbuf_release(&converted); + } + } /* type string, SP, %lu of the length plus NUL must fit this */ hdrlen = strlen(type) + MAX_HEADER_LEN; @@ -2236,6 +2396,8 @@ int write_object_file_literally(const void *buf, unsigned long len, if (freshen_packed_object(oid) || freshen_loose_object(oid)) goto cleanup; status = write_loose_object(oid, header, hdrlen, buf, len, 0, 0); + if (compat_type != -1) + return repo_add_loose_object_map(repo, oid, &compat_oid); cleanup: free(header); @@ -2244,9 +2406,12 @@ cleanup: int force_object_loose(const struct object_id *oid, time_t mtime) { + struct repository *repo = the_repository; + const struct git_hash_algo *compat = repo->compat_hash_algo; void *buf; unsigned long len; struct object_info oi = OBJECT_INFO_INIT; + struct object_id compat_oid; enum object_type type; char hdr[MAX_HEADER_LEN]; int hdrlen; @@ -2259,8 +2424,15 @@ int force_object_loose(const struct object_id *oid, time_t mtime) oi.contentp = &buf; if (oid_object_info_extended(the_repository, oid, &oi, 0)) return error(_("cannot read object for %s"), oid_to_hex(oid)); + if (compat) { + if (repo_oid_to_algop(repo, oid, compat, &compat_oid)) + return error(_("cannot map object %s to %s"), + oid_to_hex(oid), compat->name); + } hdrlen = format_object_header(hdr, sizeof(hdr), type, len); ret = write_loose_object(oid, hdr, hdrlen, buf, len, mtime, 0); + if (!ret && compat) + ret = repo_add_loose_object_map(the_repository, oid, &compat_oid); free(buf); return ret; diff --git a/object-name.c b/object-name.c index 511f09bc0f..523af6f64f 100644 --- a/object-name.c +++ b/object-name.c @@ -23,6 +23,7 @@ #include "midx.h" #include "commit-reach.h" #include "date.h" +#include "object-file-convert.h" static int get_oid_oneline(struct repository *r, const char *, struct object_id *, struct commit_list *); @@ -47,6 +48,7 @@ struct disambiguate_state { static void update_candidates(struct disambiguate_state *ds, const struct object_id *current) { + /* The hash algorithm of current has already been filtered */ if (ds->always_call_fn) { ds->ambiguous = ds->fn(ds->repo, current, ds->cb_data) ? 1 : 0; return; @@ -132,6 +134,8 @@ static void unique_in_midx(struct multi_pack_index *m, { uint32_t num, i, first = 0; const struct object_id *current = NULL; + int len = ds->len > ds->repo->hash_algo->hexsz ? + ds->repo->hash_algo->hexsz : ds->len; num = m->num_objects; if (!num) @@ -147,7 +151,7 @@ static void unique_in_midx(struct multi_pack_index *m, for (i = first; i < num && !ds->ambiguous; i++) { struct object_id oid; current = nth_midxed_object_oid(&oid, m, i); - if (!match_hash(ds->len, ds->bin_pfx.hash, current->hash)) + if (!match_hash(len, ds->bin_pfx.hash, current->hash)) break; update_candidates(ds, current); } @@ -157,6 +161,8 @@ static void unique_in_pack(struct packed_git *p, struct disambiguate_state *ds) { uint32_t num, i, first = 0; + int len = ds->len > ds->repo->hash_algo->hexsz ? + ds->repo->hash_algo->hexsz : ds->len; if (p->multi_pack_index) return; @@ -175,7 +181,7 @@ static void unique_in_pack(struct packed_git *p, for (i = first; i < num && !ds->ambiguous; i++) { struct object_id oid; nth_packed_object_id(&oid, p, i); - if (!match_hash(ds->len, ds->bin_pfx.hash, oid.hash)) + if (!match_hash(len, ds->bin_pfx.hash, oid.hash)) break; update_candidates(ds, &oid); } @@ -186,6 +192,10 @@ static void find_short_packed_object(struct disambiguate_state *ds) struct multi_pack_index *m; struct packed_git *p; + /* Skip, unless oids from the storage hash algorithm are wanted */ + if (ds->bin_pfx.algo && (&hash_algos[ds->bin_pfx.algo] != ds->repo->hash_algo)) + return; + for (m = get_multi_pack_index(ds->repo); m && !ds->ambiguous; m = m->next) unique_in_midx(m, ds); @@ -324,11 +334,12 @@ int set_disambiguate_hint_config(const char *var, const char *value) static int init_object_disambiguation(struct repository *r, const char *name, int len, + const struct git_hash_algo *algo, struct disambiguate_state *ds) { int i; - if (len < MINIMUM_ABBREV || len > the_hash_algo->hexsz) + if (len < MINIMUM_ABBREV || len > GIT_MAX_HEXSZ) return -1; memset(ds, 0, sizeof(*ds)); @@ -355,6 +366,7 @@ static int init_object_disambiguation(struct repository *r, ds->len = len; ds->hex_pfx[len] = '\0'; ds->repo = r; + ds->bin_pfx.algo = algo ? hash_algo_by_ptr(algo) : GIT_HASH_UNKNOWN; prepare_alt_odb(r); return 0; } @@ -489,9 +501,10 @@ static int repo_collect_ambiguous(struct repository *r UNUSED, return collect_ambiguous(oid, data); } -static int sort_ambiguous(const void *a, const void *b, void *ctx) +static int sort_ambiguous(const void *va, const void *vb, void *ctx) { struct repository *sort_ambiguous_repo = ctx; + const struct object_id *a = va, *b = vb; int a_type = oid_object_info(sort_ambiguous_repo, a, NULL); int b_type = oid_object_info(sort_ambiguous_repo, b, NULL); int a_type_sort; @@ -501,8 +514,12 @@ static int sort_ambiguous(const void *a, const void *b, void *ctx) * Sorts by hash within the same object type, just as * oid_array_for_each_unique() would do. */ - if (a_type == b_type) - return oidcmp(a, b); + if (a_type == b_type) { + if (a->algo == b->algo) + return oidcmp(a, b); + else + return a->algo > b->algo ? 1 : -1; + } /* * Between object types show tags, then commits, and finally @@ -531,8 +548,12 @@ static enum get_oid_result get_short_oid(struct repository *r, int status; struct disambiguate_state ds; int quietly = !!(flags & GET_OID_QUIETLY); + const struct git_hash_algo *algo = r->hash_algo; - if (init_object_disambiguation(r, name, len, &ds) < 0) + if (flags & GET_OID_HASH_ANY) + algo = NULL; + + if (init_object_disambiguation(r, name, len, algo, &ds) < 0) return -1; if (HAS_MULTI_BITS(flags & GET_OID_DISAMBIGUATORS)) @@ -586,7 +607,7 @@ static enum get_oid_result get_short_oid(struct repository *r, if (!ds.ambiguous) ds.fn = NULL; - repo_for_each_abbrev(r, ds.hex_pfx, collect_ambiguous, &collect); + repo_for_each_abbrev(r, ds.hex_pfx, algo, collect_ambiguous, &collect); sort_ambiguous_oid_array(r, &collect); if (oid_array_for_each(&collect, show_ambiguous_object, &out)) @@ -608,13 +629,14 @@ static enum get_oid_result get_short_oid(struct repository *r, } int repo_for_each_abbrev(struct repository *r, const char *prefix, + const struct git_hash_algo *algo, each_abbrev_fn fn, void *cb_data) { struct oid_array collect = OID_ARRAY_INIT; struct disambiguate_state ds; int ret; - if (init_object_disambiguation(r, prefix, strlen(prefix), &ds) < 0) + if (init_object_disambiguation(r, prefix, strlen(prefix), algo, &ds) < 0) return -1; ds.always_call_fn = 1; @@ -785,10 +807,12 @@ void strbuf_add_unique_abbrev(struct strbuf *sb, const struct object_id *oid, int repo_find_unique_abbrev_r(struct repository *r, char *hex, const struct object_id *oid, int len) { + const struct git_hash_algo *algo = + oid->algo ? &hash_algos[oid->algo] : r->hash_algo; struct disambiguate_state ds; struct min_abbrev_data mad; struct object_id oid_ret; - const unsigned hexsz = r->hash_algo->hexsz; + const unsigned hexsz = algo->hexsz; if (len < 0) { unsigned long count = repo_approximate_object_count(r); @@ -824,7 +848,7 @@ int repo_find_unique_abbrev_r(struct repository *r, char *hex, find_abbrev_len_packed(&mad); - if (init_object_disambiguation(r, hex, mad.cur_len, &ds) < 0) + if (init_object_disambiguation(r, hex, mad.cur_len, algo, &ds) < 0) return -1; ds.fn = repo_extend_abbrev_len; @@ -1488,7 +1512,7 @@ int repo_get_oid_mb(struct repository *r, struct object_id *oid) { struct commit *one, *two; - struct commit_list *mbs; + struct commit_list *mbs = NULL; struct object_id oid_tmp; const char *dots; int st; @@ -1516,7 +1540,10 @@ int repo_get_oid_mb(struct repository *r, two = lookup_commit_reference_gently(r, &oid_tmp, 0); if (!two) return -1; - mbs = repo_get_merge_bases(r, one, two); + if (repo_get_merge_bases(r, one, two, &mbs) < 0) { + free_commit_list(mbs); + return -1; + } if (!mbs || mbs->next) st = -1; else { diff --git a/object-name.h b/object-name.h index 9ae5223071..064ddc97d1 100644 --- a/object-name.h +++ b/object-name.h @@ -67,7 +67,8 @@ enum get_oid_result get_oid_with_context(struct repository *repo, const char *st typedef int each_abbrev_fn(const struct object_id *oid, void *); -int repo_for_each_abbrev(struct repository *r, const char *prefix, each_abbrev_fn, void *); +int repo_for_each_abbrev(struct repository *r, const char *prefix, + const struct git_hash_algo *algo, each_abbrev_fn, void *); int set_disambiguate_hint_config(const char *var, const char *value); diff --git a/object-store-ll.h b/object-store-ll.h index 26a3895c82..c5f2bb2fc2 100644 --- a/object-store-ll.h +++ b/object-store-ll.h @@ -26,6 +26,9 @@ struct object_directory { uint32_t loose_objects_subdir_seen[8]; /* 256 bits */ struct oidtree *loose_objects_cache; + /* Map between object IDs for loose objects. */ + struct loose_object_map *loose_map; + /* * This is a temporary object store created by the tmp_objdir * facility. Disable ref updates since the objects in the store @@ -252,11 +255,11 @@ void hash_object_file(const struct git_hash_algo *algo, const void *buf, int write_object_file_flags(const void *buf, unsigned long len, enum object_type type, struct object_id *oid, - unsigned flags); + struct object_id *comapt_oid_in, unsigned flags); static inline int write_object_file(const void *buf, unsigned long len, enum object_type type, struct object_id *oid) { - return write_object_file_flags(buf, len, type, oid, 0); + return write_object_file_flags(buf, len, type, oid, NULL, 0); } int write_object_file_literally(const void *buf, unsigned long len, @@ -13,6 +13,7 @@ #include "alloc.h" #include "packfile.h" #include "commit-graph.h" +#include "loose.h" unsigned int get_max_object_index(void) { @@ -271,6 +272,7 @@ struct object *parse_object_with_flags(struct repository *r, enum parse_object_flags flags) { int skip_hash = !!(flags & PARSE_OBJECT_SKIP_HASH_CHECK); + int discard_tree = !!(flags & PARSE_OBJECT_DISCARD_TREE); unsigned long size; enum object_type type; int eaten; @@ -298,6 +300,17 @@ struct object *parse_object_with_flags(struct repository *r, return lookup_object(r, oid); } + /* + * If the caller does not care about the tree buffer and does not + * care about checking the hash, we can simply verify that we + * have the on-disk object with the correct type. + */ + if (skip_hash && discard_tree && + (!obj || obj->type == OBJ_TREE) && + oid_object_info(r, oid, NULL) == OBJ_TREE) { + return &lookup_tree(r, oid)->object; + } + buffer = repo_read_object_file(r, oid, &type, &size); if (buffer) { if (!skip_hash && @@ -311,6 +324,8 @@ struct object *parse_object_with_flags(struct repository *r, buffer, &eaten); if (!eaten) free(buffer); + if (discard_tree && type == OBJ_TREE) + free_tree_buffer((struct tree *)obj); return obj; } return NULL; @@ -539,6 +554,7 @@ void free_object_directory(struct object_directory *odb) { free(odb->path); odb_clear_loose_cache(odb); + loose_object_map_clear(&odb->loose_map); free(odb); } @@ -190,6 +190,24 @@ void *create_object(struct repository *r, const struct object_id *oid, void *obj void *object_as_type(struct object *obj, enum object_type type, int quiet); + +static inline const char *parse_mode(const char *str, uint16_t *modep) +{ + unsigned char c; + unsigned int mode = 0; + + if (*str == ' ') + return NULL; + + while ((c = *str++) != ' ') { + if (c < '0' || c > '7') + return NULL; + mode = (mode << 3) + (c - '0'); + } + *modep = mode; + return str; +} + /* * Returns the object, having parsed it to find out what it is. * @@ -197,6 +215,7 @@ void *object_as_type(struct object *obj, enum object_type type, int quiet); */ enum parse_object_flags { PARSE_OBJECT_SKIP_HASH_CHECK = 1 << 0, + PARSE_OBJECT_DISCARD_TREE = 1 << 1, }; struct object *parse_object(struct repository *r, const struct object_id *oid); struct object *parse_object_with_flags(struct repository *r, diff --git a/oid-array.c b/oid-array.c index 8e4717746c..1f36651754 100644 --- a/oid-array.c +++ b/oid-array.c @@ -6,12 +6,20 @@ void oid_array_append(struct oid_array *array, const struct object_id *oid) { ALLOC_GROW(array->oid, array->nr + 1, array->alloc); oidcpy(&array->oid[array->nr++], oid); + if (!oid->algo) + oid_set_algo(&array->oid[array->nr - 1], the_hash_algo); array->sorted = 0; } -static int void_hashcmp(const void *a, const void *b) +static int void_hashcmp(const void *va, const void *vb) { - return oidcmp(a, b); + const struct object_id *a = va, *b = vb; + int ret; + if (a->algo == b->algo) + ret = oidcmp(a, b); + else + ret = a->algo > b->algo ? 1 : -1; + return ret; } void oid_array_sort(struct oid_array *array) @@ -23,6 +23,16 @@ int oidset_insert(struct oidset *set, const struct object_id *oid) return !added; } +void oidset_insert_from_set(struct oidset *dest, struct oidset *src) +{ + struct oidset_iter iter; + struct object_id *src_oid; + + oidset_iter_init(src, &iter); + while ((src_oid = oidset_iter_next(&iter))) + oidset_insert(dest, src_oid); +} + int oidset_remove(struct oidset *set, const struct object_id *oid) { khiter_t pos = kh_get_oid_set(&set->set, *oid); @@ -48,6 +48,12 @@ int oidset_contains(const struct oidset *set, const struct object_id *oid); int oidset_insert(struct oidset *set, const struct object_id *oid); /** + * Insert all the oids that are in set 'src' into set 'dest'; a copy + * is made of each oid inserted into set 'dest'. + */ +void oidset_insert_from_set(struct oidset *dest, struct oidset *src); + +/** * Remove the oid from the set. * * Returns 1 if the oid was present in the set, 0 otherwise. diff --git a/oss-fuzz/.gitignore b/oss-fuzz/.gitignore index 5b95408825..a877c11f42 100644 --- a/oss-fuzz/.gitignore +++ b/oss-fuzz/.gitignore @@ -1,4 +1,5 @@ fuzz-commit-graph +fuzz-config fuzz-date fuzz-pack-headers fuzz-pack-idx diff --git a/oss-fuzz/fuzz-config.c b/oss-fuzz/fuzz-config.c new file mode 100644 index 0000000000..94027f5b97 --- /dev/null +++ b/oss-fuzz/fuzz-config.c @@ -0,0 +1,33 @@ +#include "git-compat-util.h" +#include "config.h" + +int LLVMFuzzerTestOneInput(const uint8_t *, size_t); +static int config_parser_callback(const char *, const char *, + const struct config_context *, void *); + +static int config_parser_callback(const char *key, const char *value, + const struct config_context *ctx UNUSED, + void *data UNUSED) +{ + /* + * Visit every byte of memory we are given to make sure the parser + * gave it to us appropriately. We need to unconditionally return 0, + * but we also want to prevent the strlen from being optimized away. + */ + size_t c = strlen(key); + + if (value) + c += strlen(value); + return c == SIZE_MAX; +} + +int LLVMFuzzerTestOneInput(const uint8_t *data, const size_t size) +{ + struct config_options config_opts = { 0 }; + + config_opts.error_action = CONFIG_ERROR_SILENT; + git_config_from_mem(config_parser_callback, CONFIG_ORIGIN_BLOB, + "fuzztest-config", (const char *)data, size, NULL, + CONFIG_SCOPE_UNKNOWN, &config_opts); + return 0; +} diff --git a/pack-bitmap-write.c b/pack-bitmap-write.c index 990a9498d7..c6c8f94cc5 100644 --- a/pack-bitmap-write.c +++ b/pack-bitmap-write.c @@ -370,7 +370,7 @@ static int fill_bitmap_tree(struct bitmap *bitmap, if (parse_tree(tree) < 0) die("unable to load tree object %s", oid_to_hex(&tree->object.oid)); - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) { switch (object_type(entry.mode)) { diff --git a/packfile.c b/packfile.c index 84a005674d..d4df7fdeea 100644 --- a/packfile.c +++ b/packfile.c @@ -2249,7 +2249,8 @@ static int add_promisor_object(const struct object_id *oid, struct tree *tree = (struct tree *)obj; struct tree_desc desc; struct name_entry entry; - if (init_tree_desc_gently(&desc, tree->buffer, tree->size, 0)) + if (init_tree_desc_gently(&desc, &tree->object.oid, + tree->buffer, tree->size, 0)) /* * Error messages are given when packs are * verified, so do not print any here. diff --git a/parse-options.c b/parse-options.c index 63a99dea6e..30b9e68f8a 100644 --- a/parse-options.c +++ b/parse-options.c @@ -350,98 +350,107 @@ static int is_alias(struct parse_opt_ctx_t *ctx, return 0; } +struct parsed_option { + const struct option *option; + enum opt_parsed flags; +}; + +static void register_abbrev(struct parse_opt_ctx_t *p, + const struct option *option, enum opt_parsed flags, + struct parsed_option *abbrev, + struct parsed_option *ambiguous) +{ + if (p->flags & PARSE_OPT_KEEP_UNKNOWN_OPT) + return; + if (abbrev->option && + !(abbrev->flags == flags && is_alias(p, abbrev->option, option))) { + /* + * If this is abbreviated, it is + * ambiguous. So when there is no + * exact match later, we need to + * error out. + */ + ambiguous->option = abbrev->option; + ambiguous->flags = abbrev->flags; + } + abbrev->option = option; + abbrev->flags = flags; +} + static enum parse_opt_result parse_long_opt( struct parse_opt_ctx_t *p, const char *arg, const struct option *options) { const char *arg_end = strchrnul(arg, '='); - const struct option *abbrev_option = NULL, *ambiguous_option = NULL; - enum opt_parsed abbrev_flags = OPT_LONG, ambiguous_flags = OPT_LONG; - int allow_abbrev = !(p->flags & PARSE_OPT_KEEP_UNKNOWN_OPT); + const char *arg_start = arg; + enum opt_parsed flags = OPT_LONG; + int arg_starts_with_no_no = 0; + struct parsed_option abbrev = { .option = NULL, .flags = OPT_LONG }; + struct parsed_option ambiguous = { .option = NULL, .flags = OPT_LONG }; + + if (skip_prefix(arg_start, "no-", &arg_start)) { + if (skip_prefix(arg_start, "no-", &arg_start)) + arg_starts_with_no_no = 1; + else + flags |= OPT_UNSET; + } for (; options->type != OPTION_END; options++) { const char *rest, *long_name = options->long_name; - enum opt_parsed flags = OPT_LONG, opt_flags = OPT_LONG; + enum opt_parsed opt_flags = OPT_LONG; + int allow_unset = !(options->flags & PARSE_OPT_NONEG); if (options->type == OPTION_SUBCOMMAND) continue; if (!long_name) continue; - if (!starts_with(arg, "no-") && - !(options->flags & PARSE_OPT_NONEG) && - skip_prefix(long_name, "no-", &long_name)) + if (skip_prefix(long_name, "no-", &long_name)) opt_flags |= OPT_UNSET; + else if (arg_starts_with_no_no) + continue; - if (!skip_prefix(arg, long_name, &rest)) - rest = NULL; - if (!rest) { - /* abbreviated? */ - if (allow_abbrev && - !strncmp(long_name, arg, arg_end - arg)) { -is_abbreviated: - if (abbrev_option && - !is_alias(p, abbrev_option, options)) { - /* - * If this is abbreviated, it is - * ambiguous. So when there is no - * exact match later, we need to - * error out. - */ - ambiguous_option = abbrev_option; - ambiguous_flags = abbrev_flags; - } - if (!(flags & OPT_UNSET) && *arg_end) - p->opt = arg_end + 1; - abbrev_option = options; - abbrev_flags = flags ^ opt_flags; - continue; - } - /* negation allowed? */ - if (options->flags & PARSE_OPT_NONEG) - continue; - /* negated and abbreviated very much? */ - if (allow_abbrev && starts_with("no-", arg)) { - flags |= OPT_UNSET; - goto is_abbreviated; - } - /* negated? */ - if (!starts_with(arg, "no-")) - continue; - flags |= OPT_UNSET; - if (!skip_prefix(arg + 3, long_name, &rest)) { - /* abbreviated and negated? */ - if (allow_abbrev && - starts_with(long_name, arg + 3)) - goto is_abbreviated; - else - continue; - } - } - if (*rest) { - if (*rest != '=') + if (((flags ^ opt_flags) & OPT_UNSET) && !allow_unset) + continue; + + if (skip_prefix(arg_start, long_name, &rest)) { + if (*rest == '=') + p->opt = rest + 1; + else if (*rest) continue; - p->opt = rest + 1; + return get_value(p, options, flags ^ opt_flags); } - return get_value(p, options, flags ^ opt_flags); + + /* abbreviated? */ + if (!strncmp(long_name, arg_start, arg_end - arg_start)) + register_abbrev(p, options, flags ^ opt_flags, + &abbrev, &ambiguous); + + /* negated and abbreviated very much? */ + if (allow_unset && starts_with("no-", arg)) + register_abbrev(p, options, OPT_UNSET ^ opt_flags, + &abbrev, &ambiguous); } - if (disallow_abbreviated_options && (ambiguous_option || abbrev_option)) + if (disallow_abbreviated_options && (ambiguous.option || abbrev.option)) die("disallowed abbreviated or ambiguous option '%.*s'", (int)(arg_end - arg), arg); - if (ambiguous_option) { + if (ambiguous.option) { error(_("ambiguous option: %s " "(could be --%s%s or --%s%s)"), arg, - (ambiguous_flags & OPT_UNSET) ? "no-" : "", - ambiguous_option->long_name, - (abbrev_flags & OPT_UNSET) ? "no-" : "", - abbrev_option->long_name); + (ambiguous.flags & OPT_UNSET) ? "no-" : "", + ambiguous.option->long_name, + (abbrev.flags & OPT_UNSET) ? "no-" : "", + abbrev.option->long_name); return PARSE_OPT_HELP; } - if (abbrev_option) - return get_value(p, abbrev_option, abbrev_flags); + if (abbrev.option) { + if (*arg_end) + p->opt = arg_end + 1; + return get_value(p, abbrev.option, abbrev.flags); + } return PARSE_OPT_UNKNOWN; } @@ -28,8 +28,6 @@ static int get_st_mode_bits(const char *path, int *mode) return 0; } -static char bad_path[] = "/bad-path/"; - static struct strbuf *get_pathname(void) { static struct strbuf pathname_array[4] = { @@ -59,21 +57,6 @@ static void strbuf_cleanup_path(struct strbuf *sb) strbuf_remove(sb, 0, path - sb->buf); } -char *mksnpath(char *buf, size_t n, const char *fmt, ...) -{ - va_list args; - unsigned len; - - va_start(args, fmt); - len = vsnprintf(buf, n, fmt, args); - va_end(args); - if (len >= n) { - strlcpy(buf, bad_path, n); - return buf; - } - return (char *)cleanup_path(buf); -} - static int dir_prefix(const char *buf, const char *dir) { int len = strlen(dir); @@ -24,12 +24,6 @@ char *mkpathdup(const char *fmt, ...) __attribute__((format (printf, 1, 2))); /* - * Construct a path and place the result in the provided buffer `buf`. - */ -char *mksnpath(char *buf, size_t n, const char *fmt, ...) - __attribute__((format (printf, 3, 4))); - -/* * The `git_common_path` family of functions will construct a path into a * repository's common git directory, which is shared by all worktrees. */ @@ -147,7 +147,7 @@ static struct cmt_fmt_map *find_commit_format_recursive(const char *sought, for (i = 0; i < commit_formats_len; i++) { size_t match_len; - if (!starts_with(commit_formats[i].name, sought)) + if (!istarts_with(commit_formats[i].name, sought)) continue; match_len = strlen(commit_formats[i].name); @@ -1759,7 +1759,7 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */ goto trailer_out; } if (*arg == ')') { - format_trailers_from_commit(sb, msg + c->subject_off, &opts); + format_trailers_from_commit(&opts, msg + c->subject_off, sb); ret = arg - placeholder + 1; } trailer_out: @@ -2077,11 +2077,11 @@ static void pp_header(struct pretty_print_context *pp, } } -void pp_title_line(struct pretty_print_context *pp, - const char **msg_p, - struct strbuf *sb, - const char *encoding, - int need_8bit_cte) +void pp_email_subject(struct pretty_print_context *pp, + const char **msg_p, + struct strbuf *sb, + const char *encoding, + int need_8bit_cte) { static const int max_length = 78; /* per rfc2047 */ struct strbuf title; @@ -2091,19 +2091,14 @@ void pp_title_line(struct pretty_print_context *pp, pp->preserve_subject ? "\n" : " "); strbuf_grow(sb, title.len + 1024); - if (pp->print_email_subject) { - if (pp->rev) - fmt_output_email_subject(sb, pp->rev); - if (pp->encode_email_headers && - needs_rfc2047_encoding(title.buf, title.len)) - add_rfc2047(sb, title.buf, title.len, - encoding, RFC2047_SUBJECT); - else - strbuf_add_wrapped_bytes(sb, title.buf, title.len, + fmt_output_email_subject(sb, pp->rev); + if (pp->encode_email_headers && + needs_rfc2047_encoding(title.buf, title.len)) + add_rfc2047(sb, title.buf, title.len, + encoding, RFC2047_SUBJECT); + else + strbuf_add_wrapped_bytes(sb, title.buf, title.len, -last_line_length(sb), 1, max_length); - } else { - strbuf_addbuf(sb, &title); - } strbuf_addch(sb, '\n'); if (need_8bit_cte == 0) { @@ -2126,9 +2121,8 @@ void pp_title_line(struct pretty_print_context *pp, if (pp->after_subject) { strbuf_addstr(sb, pp->after_subject); } - if (cmit_fmt_is_mail(pp->fmt)) { - strbuf_addch(sb, '\n'); - } + + strbuf_addch(sb, '\n'); if (pp->in_body_headers.nr) { int i; @@ -2320,7 +2314,7 @@ void pretty_print_commit(struct pretty_print_context *pp, } pp_header(pp, encoding, commit, &msg, sb); - if (pp->fmt != CMIT_FMT_ONELINE && !pp->print_email_subject) { + if (pp->fmt != CMIT_FMT_ONELINE && !cmit_fmt_is_mail(pp->fmt)) { strbuf_addch(sb, '\n'); } @@ -2328,8 +2322,11 @@ void pretty_print_commit(struct pretty_print_context *pp, msg = skip_blank_lines(msg); /* These formats treat the title line specially. */ - if (pp->fmt == CMIT_FMT_ONELINE || cmit_fmt_is_mail(pp->fmt)) - pp_title_line(pp, &msg, sb, encoding, need_8bit_cte); + if (pp->fmt == CMIT_FMT_ONELINE) { + msg = format_subject(sb, msg, " "); + strbuf_addch(sb, '\n'); + } else if (cmit_fmt_is_mail(pp->fmt)) + pp_email_subject(pp, &msg, sb, encoding, need_8bit_cte); beginning_of_body = sb->len; if (pp->fmt != CMIT_FMT_ONELINE) @@ -35,11 +35,10 @@ struct pretty_print_context { */ enum cmit_fmt fmt; int abbrev; - const char *after_subject; + char *after_subject; int preserve_subject; struct date_mode date_mode; unsigned date_mode_explicit:1; - int print_email_subject; int expand_tabs_in_log; int need_8bit_cte; char *notes_message; @@ -96,13 +95,13 @@ void pp_user_info(struct pretty_print_context *pp, const char *what, const char *encoding); /* - * Format title line of commit message taken from "msg_p" and + * Format subject line of commit message taken from "msg_p" and * put it into "sb". * First line of "msg_p" is also affected. */ -void pp_title_line(struct pretty_print_context *pp, const char **msg_p, - struct strbuf *sb, const char *encoding, - int need_8bit_cte); +void pp_email_subject(struct pretty_print_context *pp, const char **msg_p, + struct strbuf *sb, const char *encoding, + int need_8bit_cte); /* * Get current state of commit message from "msg_p" and continue formatting diff --git a/read-cache-ll.h b/read-cache-ll.h index 2a50a784f0..09414afd04 100644 --- a/read-cache-ll.h +++ b/read-cache-ll.h @@ -480,8 +480,8 @@ extern int verify_ce_order; int cmp_cache_name_compare(const void *a_, const void *b_); int add_files_to_cache(struct repository *repo, const char *prefix, - const struct pathspec *pathspec, int include_sparse, - int flags); + const struct pathspec *pathspec, char *ps_matched, + int include_sparse, int flags); void overlay_tree_on_index(struct index_state *istate, const char *tree_name, const char *prefix); diff --git a/read-cache.c b/read-cache.c index f546cf7875..e1723ad796 100644 --- a/read-cache.c +++ b/read-cache.c @@ -3958,8 +3958,8 @@ static void update_callback(struct diff_queue_struct *q, } int add_files_to_cache(struct repository *repo, const char *prefix, - const struct pathspec *pathspec, int include_sparse, - int flags) + const struct pathspec *pathspec, char *ps_matched, + int include_sparse, int flags) { struct update_callback_data data; struct rev_info rev; @@ -3971,8 +3971,10 @@ int add_files_to_cache(struct repository *repo, const char *prefix, repo_init_revisions(repo, &rev, prefix); setup_revisions(0, NULL, &rev, NULL); - if (pathspec) + if (pathspec) { copy_pathspec(&rev.prune_data, pathspec); + rev.ps_matched = ps_matched; + } rev.diffopt.output_format = DIFF_FORMAT_CALLBACK; rev.diffopt.format_callback = update_callback; rev.diffopt.format_callback_data = &data; diff --git a/rebase-interactive.c b/rebase-interactive.c index d9718409b3..c343e16fcd 100644 --- a/rebase-interactive.c +++ b/rebase-interactive.c @@ -71,14 +71,14 @@ void append_todo_help(int command_count, if (!edit_todo) { strbuf_addch(buf, '\n'); - strbuf_commented_addf(buf, comment_line_char, + strbuf_commented_addf(buf, comment_line_str, Q_("Rebase %s onto %s (%d command)", "Rebase %s onto %s (%d commands)", command_count), shortrevisions, shortonto, command_count); } - strbuf_add_commented_lines(buf, msg, strlen(msg), comment_line_char); + strbuf_add_commented_lines(buf, msg, strlen(msg), comment_line_str); if (get_missing_commit_check_level() == MISSING_COMMIT_CHECK_ERROR) msg = _("\nDo not remove any line. Use 'drop' " @@ -87,7 +87,7 @@ void append_todo_help(int command_count, msg = _("\nIf you remove a line here " "THAT COMMIT WILL BE LOST.\n"); - strbuf_add_commented_lines(buf, msg, strlen(msg), comment_line_char); + strbuf_add_commented_lines(buf, msg, strlen(msg), comment_line_str); if (edit_todo) msg = _("\nYou are editing the todo file " @@ -98,7 +98,7 @@ void append_todo_help(int command_count, msg = _("\nHowever, if you remove everything, " "the rebase will be aborted.\n\n"); - strbuf_add_commented_lines(buf, msg, strlen(msg), comment_line_char); + strbuf_add_commented_lines(buf, msg, strlen(msg), comment_line_str); } int edit_todo_list(struct repository *r, struct todo_list *todo_list, @@ -130,7 +130,7 @@ int edit_todo_list(struct repository *r, struct todo_list *todo_list, if (launch_sequence_editor(todo_file, &new_todo->buf, NULL)) return -2; - strbuf_stripspace(&new_todo->buf, comment_line_char); + strbuf_stripspace(&new_todo->buf, comment_line_str); if (initial && new_todo->buf.len == 0) return -3; diff --git a/ref-filter.c b/ref-filter.c index 0ec29f7385..03542d0236 100644 --- a/ref-filter.c +++ b/ref-filter.c @@ -1991,7 +1991,7 @@ static void grab_sub_body_contents(struct atom_value *val, int deref, struct exp struct strbuf s = STRBUF_INIT; /* Format the trailer info according to the trailer_opts given */ - format_trailers_from_commit(&s, subpos, &atom->u.contents.trailer_opts); + format_trailers_from_commit(&atom->u.contents.trailer_opts, subpos, &s); v->s = strbuf_detach(&s, NULL); } else if (atom->u.contents.option == C_BARE) @@ -39,7 +39,7 @@ static int tree_is_complete(const struct object_id *oid) tree->buffer = data; tree->size = size; } - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); complete = 1; while (tree_entry(&desc, &entry)) { if (!repo_has_object_file(the_repository, &entry.oid) || @@ -66,12 +66,6 @@ const char *ref_storage_format_to_name(unsigned int ref_storage_format); #define RESOLVE_REF_NO_RECURSE 0x02 #define RESOLVE_REF_ALLOW_BAD_NAME 0x04 -struct pack_refs_opts { - unsigned int flags; - struct ref_exclusions *exclusions; - struct string_list *includes; -}; - const char *refs_resolve_ref_unsafe(struct ref_store *refs, const char *refname, int resolve_flags, @@ -428,10 +422,18 @@ void warn_dangling_symrefs(FILE *fp, const char *msg_fmt, /* * Flags for controlling behaviour of pack_refs() * PACK_REFS_PRUNE: Prune loose refs after packing - * PACK_REFS_ALL: Pack _all_ refs, not just tags and already packed refs + * PACK_REFS_AUTO: Pack refs on a best effort basis. The heuristics and end + * result are decided by the ref backend. Backends may ignore + * this flag and fall back to a normal repack. */ -#define PACK_REFS_PRUNE 0x0001 -#define PACK_REFS_ALL 0x0002 +#define PACK_REFS_PRUNE (1 << 0) +#define PACK_REFS_AUTO (1 << 1) + +struct pack_refs_opts { + unsigned int flags; + struct ref_exclusions *exclusions; + struct string_list *includes; +}; /* * Write a packed-refs file for the current repository. diff --git a/refs/reftable-backend.c b/refs/reftable-backend.c index eaa82967ee..0bed6d2ab4 100644 --- a/refs/reftable-backend.c +++ b/refs/reftable-backend.c @@ -171,23 +171,6 @@ static int should_write_log(struct ref_store *refs, const char *refname) } } -static void clear_reftable_log_record(struct reftable_log_record *log) -{ - switch (log->value_type) { - case REFTABLE_LOG_UPDATE: - /* - * When we write log records, the hashes are owned by the - * caller and thus shouldn't be free'd. - */ - log->value.update.old_hash = NULL; - log->value.update.new_hash = NULL; - break; - case REFTABLE_LOG_DELETION: - break; - } - reftable_log_record_release(log); -} - static void fill_reftable_log_record(struct reftable_log_record *log) { const char *info = git_committer_info(0); @@ -346,6 +329,7 @@ struct reftable_ref_iterator { struct object_id oid; const char *prefix; + size_t prefix_len; unsigned int flags; int err; }; @@ -374,8 +358,8 @@ static int reftable_ref_iterator_advance(struct ref_iterator *ref_iterator) continue; } - if (iter->prefix && - strncmp(iter->prefix, iter->ref.refname, strlen(iter->prefix))) { + if (iter->prefix_len && + strncmp(iter->prefix, iter->ref.refname, iter->prefix_len)) { iter->err = 1; break; } @@ -484,6 +468,7 @@ static struct reftable_ref_iterator *ref_iterator_for_stack(struct reftable_ref_ iter = xcalloc(1, sizeof(*iter)); base_ref_iterator_init(&iter->base, &reftable_ref_iterator_vtable); iter->prefix = prefix; + iter->prefix_len = prefix ? strlen(prefix) : 0; iter->base.oid = &iter->oid; iter->flags = flags; iter->refs = refs; @@ -781,6 +766,7 @@ static int reftable_be_transaction_prepare(struct ref_store *ref_store, &head_referent, &head_type); if (ret < 0) goto done; + ret = 0; for (i = 0; i < transaction->nr; i++) { struct ref_update *u = transaction->updates[i]; @@ -1103,8 +1089,8 @@ static int write_transaction_table(struct reftable_writer *writer, void *cb_data fill_reftable_log_record(log); log->update_index = ts; log->refname = xstrdup(u->refname); - log->value.update.new_hash = u->new_oid.hash; - log->value.update.old_hash = tx_update->current_oid.hash; + memcpy(log->value.update.new_hash, u->new_oid.hash, GIT_MAX_RAWSZ); + memcpy(log->value.update.old_hash, tx_update->current_oid.hash, GIT_MAX_RAWSZ); log->value.update.message = xstrndup(u->msg, arg->refs->write_options.block_size / 2); } @@ -1159,7 +1145,7 @@ static int write_transaction_table(struct reftable_writer *writer, void *cb_data done: assert(ret != REFTABLE_API_ERROR); for (i = 0; i < logs_nr; i++) - clear_reftable_log_record(&logs[i]); + reftable_log_record_release(&logs[i]); free(logs); return ret; } @@ -1217,9 +1203,16 @@ static int reftable_be_pack_refs(struct ref_store *ref_store, if (!stack) stack = refs->main_stack; - ret = reftable_stack_compact_all(stack, NULL); - if (ret) + if (opts->flags & PACK_REFS_AUTO) + ret = reftable_stack_auto_compact(stack); + else + ret = reftable_stack_compact_all(stack, NULL); + if (ret < 0) { + ret = error(_("unable to compact stack: %s"), + reftable_error_str(ret)); goto out; + } + ret = reftable_stack_clean(stack); if (ret) goto out; @@ -1276,13 +1269,13 @@ static int write_create_symref_table(struct reftable_writer *writer, void *cb_da log.update_index = ts; log.value.update.message = xstrndup(create->logmsg, create->refs->write_options.block_size / 2); - log.value.update.new_hash = new_oid.hash; + memcpy(log.value.update.new_hash, new_oid.hash, GIT_MAX_RAWSZ); if (refs_resolve_ref_unsafe(&create->refs->base, create->refname, RESOLVE_REF_READING, &old_oid, NULL)) - log.value.update.old_hash = old_oid.hash; + memcpy(log.value.update.old_hash, old_oid.hash, GIT_MAX_RAWSZ); ret = reftable_writer_add_log(writer, &log); - clear_reftable_log_record(&log); + reftable_log_record_release(&log); return ret; } @@ -1421,7 +1414,7 @@ static int write_copy_table(struct reftable_writer *writer, void *cb_data) logs[logs_nr].update_index = deletion_ts; logs[logs_nr].value.update.message = xstrndup(arg->logmsg, arg->refs->write_options.block_size / 2); - logs[logs_nr].value.update.old_hash = old_ref.value.val1; + memcpy(logs[logs_nr].value.update.old_hash, old_ref.value.val1, GIT_MAX_RAWSZ); logs_nr++; ret = read_ref_without_reload(arg->stack, "HEAD", &head_oid, &head_referent, &head_type); @@ -1453,7 +1446,7 @@ static int write_copy_table(struct reftable_writer *writer, void *cb_data) logs[logs_nr].update_index = creation_ts; logs[logs_nr].value.update.message = xstrndup(arg->logmsg, arg->refs->write_options.block_size / 2); - logs[logs_nr].value.update.new_hash = old_ref.value.val1; + memcpy(logs[logs_nr].value.update.new_hash, old_ref.value.val1, GIT_MAX_RAWSZ); logs_nr++; /* @@ -1516,10 +1509,6 @@ done: for (i = 0; i < logs_nr; i++) { if (!strcmp(logs[i].refname, "HEAD")) continue; - if (logs[i].value.update.old_hash == old_ref.value.val1) - logs[i].value.update.old_hash = NULL; - if (logs[i].value.update.new_hash == old_ref.value.val1) - logs[i].value.update.new_hash = NULL; logs[i].refname = NULL; reftable_log_record_release(&logs[i]); } @@ -1597,7 +1586,7 @@ struct reftable_reflog_iterator { struct reftable_ref_store *refs; struct reftable_iterator iter; struct reftable_log_record log; - char *last_name; + struct strbuf last_name; int err; }; @@ -1616,15 +1605,15 @@ static int reftable_reflog_iterator_advance(struct ref_iterator *ref_iterator) * we've already produced this name. This could be faster by * seeking directly to reflog@update_index==0. */ - if (iter->last_name && !strcmp(iter->log.refname, iter->last_name)) + if (!strcmp(iter->log.refname, iter->last_name.buf)) continue; if (check_refname_format(iter->log.refname, REFNAME_ALLOW_ONELEVEL)) continue; - free(iter->last_name); - iter->last_name = xstrdup(iter->log.refname); + strbuf_reset(&iter->last_name); + strbuf_addstr(&iter->last_name, iter->log.refname); iter->base.refname = iter->log.refname; break; @@ -1657,7 +1646,7 @@ static int reftable_reflog_iterator_abort(struct ref_iterator *ref_iterator) (struct reftable_reflog_iterator *)ref_iterator; reftable_log_record_release(&iter->log); reftable_iterator_destroy(&iter->iter); - free(iter->last_name); + strbuf_release(&iter->last_name); free(iter); return ITER_DONE; } @@ -1677,13 +1666,14 @@ static struct reftable_reflog_iterator *reflog_iterator_for_stack(struct reftabl iter = xcalloc(1, sizeof(*iter)); base_ref_iterator_init(&iter->base, &reftable_reflog_iterator_vtable); + strbuf_init(&iter->last_name, 0); iter->refs = refs; ret = refs->err; if (ret) goto done; - ret = reftable_stack_reload(refs->main_stack); + ret = reftable_stack_reload(stack); if (ret < 0) goto done; @@ -2181,7 +2171,7 @@ static int reftable_be_reflog_expire(struct ref_store *ref_store, dest->value_type = REFTABLE_LOG_DELETION; } else { if ((flags & EXPIRE_REFLOGS_REWRITE) && last_hash) - dest->value.update.old_hash = last_hash; + memcpy(dest->value.update.old_hash, last_hash, GIT_MAX_RAWSZ); last_hash = logs[i].value.update.new_hash; } } diff --git a/reftable/basics.c b/reftable/basics.c index 0785aff941..fea711db7e 100644 --- a/reftable/basics.c +++ b/reftable/basics.c @@ -27,7 +27,7 @@ void put_be16(uint8_t *out, uint16_t i) out[1] = (uint8_t)(i & 0xff); } -int binsearch(size_t sz, int (*f)(size_t k, void *args), void *args) +size_t binsearch(size_t sz, int (*f)(size_t k, void *args), void *args) { size_t lo = 0; size_t hi = sz; @@ -39,8 +39,11 @@ int binsearch(size_t sz, int (*f)(size_t k, void *args), void *args) */ while (hi - lo > 1) { size_t mid = lo + (hi - lo) / 2; + int ret = f(mid, args); + if (ret < 0) + return sz; - if (f(mid, args)) + if (ret > 0) hi = mid; else lo = mid; diff --git a/reftable/basics.h b/reftable/basics.h index 91f3533efe..523ecd5307 100644 --- a/reftable/basics.h +++ b/reftable/basics.h @@ -22,13 +22,14 @@ uint32_t get_be24(uint8_t *in); void put_be16(uint8_t *out, uint16_t i); /* - * find smallest index i in [0, sz) at which f(i) is true, assuming - * that f is ascending. Return sz if f(i) is false for all indices. + * find smallest index i in [0, sz) at which `f(i) > 0`, assuming that f is + * ascending. Return sz if `f(i) == 0` for all indices. The search is aborted + * and `sz` is returned in case `f(i) < 0`. * * Contrary to bsearch(3), this returns something useful if the argument is not * found. */ -int binsearch(size_t sz, int (*f)(size_t k, void *args), void *args); +size_t binsearch(size_t sz, int (*f)(size_t k, void *args), void *args); /* * Frees a NULL terminated array of malloced strings. The array itself is also diff --git a/reftable/basics_test.c b/reftable/basics_test.c index 1fcd229725..997c4d9e01 100644 --- a/reftable/basics_test.c +++ b/reftable/basics_test.c @@ -12,40 +12,47 @@ https://developers.google.com/open-source/licenses/bsd #include "test_framework.h" #include "reftable-tests.h" -struct binsearch_args { - int key; - int *arr; +struct integer_needle_lesseq_args { + int needle; + int *haystack; }; -static int binsearch_func(size_t i, void *void_args) +static int integer_needle_lesseq(size_t i, void *_args) { - struct binsearch_args *args = void_args; - - return args->key < args->arr[i]; + struct integer_needle_lesseq_args *args = _args; + return args->needle <= args->haystack[i]; } static void test_binsearch(void) { - int arr[] = { 2, 4, 6, 8, 10 }; - size_t sz = ARRAY_SIZE(arr); - struct binsearch_args args = { - .arr = arr, + int haystack[] = { 2, 4, 6, 8, 10 }; + struct { + int needle; + size_t expected_idx; + } testcases[] = { + {-9000, 0}, + {-1, 0}, + {0, 0}, + {2, 0}, + {3, 1}, + {4, 1}, + {7, 3}, + {9, 4}, + {10, 4}, + {11, 5}, + {9000, 5}, }; + size_t i = 0; - int i = 0; - for (i = 1; i < 11; i++) { - int res; - args.key = i; - res = binsearch(sz, &binsearch_func, &args); + for (i = 0; i < ARRAY_SIZE(testcases); i++) { + struct integer_needle_lesseq_args args = { + .haystack = haystack, + .needle = testcases[i].needle, + }; + size_t idx; - if (res < sz) { - EXPECT(args.key < arr[res]); - if (res > 0) { - EXPECT(args.key >= arr[res - 1]); - } - } else { - EXPECT(args.key == 10 || args.key == 11); - } + idx = binsearch(ARRAY_SIZE(haystack), &integer_needle_lesseq, &args); + EXPECT(idx == testcases[i].expected_idx); } } diff --git a/reftable/block.c b/reftable/block.c index 72eb73b380..298e8c56b9 100644 --- a/reftable/block.c +++ b/reftable/block.c @@ -273,36 +273,46 @@ void block_reader_start(struct block_reader *br, struct block_iter *it) it->next_off = br->header_off + 4; } -struct restart_find_args { +struct restart_needle_less_args { int error; - struct strbuf key; - struct block_reader *r; + struct strbuf needle; + struct block_reader *reader; }; -static int restart_key_less(size_t idx, void *args) +static int restart_needle_less(size_t idx, void *_args) { - struct restart_find_args *a = args; - uint32_t off = block_reader_restart_offset(a->r, idx); + struct restart_needle_less_args *args = _args; + uint32_t off = block_reader_restart_offset(args->reader, idx); struct string_view in = { - .buf = a->r->block.data + off, - .len = a->r->block_len - off, + .buf = args->reader->block.data + off, + .len = args->reader->block_len - off, }; + uint64_t prefix_len, suffix_len; + uint8_t extra; + int n; + + /* + * Records at restart points are stored without prefix compression, so + * there is no need to fully decode the record key here. This removes + * the need for allocating memory. + */ + n = reftable_decode_keylen(in, &prefix_len, &suffix_len, &extra); + if (n < 0 || prefix_len) { + args->error = 1; + return -1; + } - /* the restart key is verbatim in the block, so this could avoid the - alloc for decoding the key */ - struct strbuf rkey = STRBUF_INIT; - struct strbuf last_key = STRBUF_INIT; - uint8_t unused_extra; - int n = reftable_decode_key(&rkey, &unused_extra, last_key, in); - int result; - if (n < 0) { - a->error = 1; + string_view_consume(&in, n); + if (suffix_len > in.len) { + args->error = 1; return -1; } - result = strbuf_cmp(&a->key, &rkey); - strbuf_release(&rkey); - return result; + n = memcmp(args->needle.buf, in.buf, + args->needle.len < suffix_len ? args->needle.len : suffix_len); + if (n) + return n < 0; + return args->needle.len < suffix_len; } void block_iter_copy_from(struct block_iter *dest, struct block_iter *src) @@ -326,35 +336,35 @@ int block_iter_next(struct block_iter *it, struct reftable_record *rec) if (it->next_off >= it->br->block_len) return 1; - n = reftable_decode_key(&it->key, &extra, it->last_key, in); + n = reftable_decode_key(&it->last_key, &extra, in); if (n < 0) return -1; - - if (!it->key.len) + if (!it->last_key.len) return REFTABLE_FORMAT_ERROR; string_view_consume(&in, n); - n = reftable_record_decode(rec, it->key, extra, in, it->br->hash_size); + n = reftable_record_decode(rec, it->last_key, extra, in, it->br->hash_size, + &it->scratch); if (n < 0) return -1; string_view_consume(&in, n); - strbuf_swap(&it->last_key, &it->key); it->next_off += start.len - in.len; return 0; } int block_reader_first_key(struct block_reader *br, struct strbuf *key) { - struct strbuf empty = STRBUF_INIT; - int off = br->header_off + 4; + int off = br->header_off + 4, n; struct string_view in = { .buf = br->block.data + off, .len = br->block_len - off, }; - uint8_t extra = 0; - int n = reftable_decode_key(key, &extra, empty, in); + + strbuf_reset(key); + + n = reftable_decode_key(key, &extra, in); if (n < 0) return n; if (!key->len) @@ -371,26 +381,57 @@ int block_iter_seek(struct block_iter *it, struct strbuf *want) void block_iter_close(struct block_iter *it) { strbuf_release(&it->last_key); - strbuf_release(&it->key); + strbuf_release(&it->scratch); } int block_reader_seek(struct block_reader *br, struct block_iter *it, struct strbuf *want) { - struct restart_find_args args = { - .key = *want, - .r = br, + struct restart_needle_less_args args = { + .needle = *want, + .reader = br, }; struct block_iter next = BLOCK_ITER_INIT; struct reftable_record rec; - int err = 0, i; - + int err = 0; + size_t i; + + /* + * Perform a binary search over the block's restart points, which + * avoids doing a linear scan over the whole block. Like this, we + * identify the section of the block that should contain our key. + * + * Note that we explicitly search for the first restart point _greater_ + * than the sought-after record, not _greater or equal_ to it. In case + * the sought-after record is located directly at the restart point we + * would otherwise start doing the linear search at the preceding + * restart point. While that works alright, we would end up scanning + * too many record. + */ + i = binsearch(br->restart_count, &restart_needle_less, &args); if (args.error) { err = REFTABLE_FORMAT_ERROR; goto done; } - i = binsearch(br->restart_count, &restart_key_less, &args); + /* + * Now there are multiple cases: + * + * - `i == 0`: The wanted record is smaller than the record found at + * the first restart point. As the first restart point is the first + * record in the block, our wanted record cannot be located in this + * block at all. We still need to position the iterator so that the + * next call to `block_iter_next()` will yield an end-of-iterator + * signal. + * + * - `i == restart_count`: The wanted record was not found at any of + * the restart points. As there is no restart point at the end of + * the section the record may thus be contained in the last block. + * + * - `i > 0`: The wanted record must be contained in the section + * before the found restart point. We thus do a linear search + * starting from the preceding restart point. + */ if (i > 0) it->next_off = block_reader_restart_offset(br, i - 1); else @@ -399,21 +440,34 @@ int block_reader_seek(struct block_reader *br, struct block_iter *it, reftable_record_init(&rec, block_reader_type(br)); - /* We're looking for the last entry less/equal than the wanted key, so - we have to go one entry too far and then back up. - */ + /* + * We're looking for the last entry less than the wanted key so that + * the next call to `block_reader_next()` would yield the wanted + * record. We thus don't want to position our reader at the sought + * after record, but one before. To do so, we have to go one entry too + * far and then back up. + */ while (1) { block_iter_copy_from(&next, it); err = block_iter_next(&next, &rec); if (err < 0) goto done; - - reftable_record_key(&rec, &it->key); - if (err > 0 || strbuf_cmp(&it->key, want) >= 0) { + if (err > 0) { err = 0; goto done; } + /* + * Check whether the current key is greater or equal to the + * sought-after key. In case it is greater we know that the + * record does not exist in the block and can thus abort early. + * In case it is equal to the sought-after key we have found + * the desired record. + */ + reftable_record_key(&rec, &it->last_key); + if (strbuf_cmp(&it->last_key, want) >= 0) + goto done; + block_iter_copy_from(it, &next); } diff --git a/reftable/block.h b/reftable/block.h index 17481e6331..47acc62c0a 100644 --- a/reftable/block.h +++ b/reftable/block.h @@ -84,12 +84,12 @@ struct block_iter { /* key for last entry we read. */ struct strbuf last_key; - struct strbuf key; + struct strbuf scratch; }; #define BLOCK_ITER_INIT { \ .last_key = STRBUF_INIT, \ - .key = STRBUF_INIT, \ + .scratch = STRBUF_INIT, \ } /* initializes a block reader. */ diff --git a/reftable/error.c b/reftable/error.c index 0d1766735e..cfb7a0fda4 100644 --- a/reftable/error.c +++ b/reftable/error.c @@ -22,7 +22,7 @@ const char *reftable_error_str(int err) case REFTABLE_NOT_EXIST_ERROR: return "file does not exist"; case REFTABLE_LOCK_ERROR: - return "data is outdated"; + return "data is locked"; case REFTABLE_API_ERROR: return "misuse of the reftable API"; case REFTABLE_ZLIB_ERROR: @@ -35,6 +35,8 @@ const char *reftable_error_str(int err) return "invalid refname"; case REFTABLE_ENTRY_TOO_BIG_ERROR: return "entry too large"; + case REFTABLE_OUTDATED_ERROR: + return "data concurrently modified"; case -1: return "general error"; default: diff --git a/reftable/iter.c b/reftable/iter.c index 8b5ebf6183..7aa30c4a51 100644 --- a/reftable/iter.c +++ b/reftable/iter.c @@ -16,11 +16,6 @@ https://developers.google.com/open-source/licenses/bsd #include "reader.h" #include "reftable-error.h" -int iterator_is_null(struct reftable_iterator *it) -{ - return !it->ops; -} - static void filtering_ref_iterator_close(void *iter_arg) { struct filtering_ref_iterator *fri = iter_arg; diff --git a/reftable/iter.h b/reftable/iter.h index 47d67d84df..537431baba 100644 --- a/reftable/iter.h +++ b/reftable/iter.h @@ -16,10 +16,6 @@ https://developers.google.com/open-source/licenses/bsd #include "reftable-iterator.h" #include "reftable-generic.h" -/* Returns true for a zeroed out iterator, such as the one returned from - * iterator_destroy. */ -int iterator_is_null(struct reftable_iterator *it); - /* iterator that produces only ref records that point to `oid` */ struct filtering_ref_iterator { int double_check; diff --git a/reftable/merged.c b/reftable/merged.c index 1aa6cd31b7..f85a24c678 100644 --- a/reftable/merged.c +++ b/reftable/merged.c @@ -17,23 +17,37 @@ https://developers.google.com/open-source/licenses/bsd #include "reftable-error.h" #include "system.h" +struct merged_subiter { + struct reftable_iterator iter; + struct reftable_record rec; +}; + +struct merged_iter { + struct merged_subiter *subiters; + struct merged_iter_pqueue pq; + uint32_t hash_id; + size_t stack_len; + uint8_t typ; + int suppress_deletions; + ssize_t advance_index; +}; + static int merged_iter_init(struct merged_iter *mi) { for (size_t i = 0; i < mi->stack_len; i++) { struct pq_entry e = { .index = i, + .rec = &mi->subiters[i].rec, }; int err; - reftable_record_init(&e.rec, mi->typ); - err = iterator_next(&mi->stack[i], &e.rec); + reftable_record_init(&mi->subiters[i].rec, mi->typ); + err = iterator_next(&mi->subiters[i].iter, + &mi->subiters[i].rec); if (err < 0) return err; - if (err > 0) { - reftable_iterator_destroy(&mi->stack[i]); - reftable_record_release(&e.rec); + if (err > 0) continue; - } merged_iter_pqueue_add(&mi->pq, &e); } @@ -46,54 +60,66 @@ static void merged_iter_close(void *p) struct merged_iter *mi = p; merged_iter_pqueue_release(&mi->pq); - for (size_t i = 0; i < mi->stack_len; i++) - reftable_iterator_destroy(&mi->stack[i]); - reftable_free(mi->stack); + for (size_t i = 0; i < mi->stack_len; i++) { + reftable_iterator_destroy(&mi->subiters[i].iter); + reftable_record_release(&mi->subiters[i].rec); + } + reftable_free(mi->subiters); } -static int merged_iter_advance_nonnull_subiter(struct merged_iter *mi, - size_t idx) +static int merged_iter_advance_subiter(struct merged_iter *mi, size_t idx) { struct pq_entry e = { .index = idx, + .rec = &mi->subiters[idx].rec, }; int err; - reftable_record_init(&e.rec, mi->typ); - err = iterator_next(&mi->stack[idx], &e.rec); - if (err < 0) + err = iterator_next(&mi->subiters[idx].iter, &mi->subiters[idx].rec); + if (err) return err; - if (err > 0) { - reftable_iterator_destroy(&mi->stack[idx]); - reftable_record_release(&e.rec); - return 0; - } - merged_iter_pqueue_add(&mi->pq, &e); return 0; } -static int merged_iter_advance_subiter(struct merged_iter *mi, size_t idx) -{ - if (iterator_is_null(&mi->stack[idx])) - return 0; - return merged_iter_advance_nonnull_subiter(mi, idx); -} - static int merged_iter_next_entry(struct merged_iter *mi, struct reftable_record *rec) { struct pq_entry entry = { 0 }; - int err = 0; + int err = 0, empty; + + empty = merged_iter_pqueue_is_empty(mi->pq); + + if (mi->advance_index >= 0) { + /* + * When there are no pqueue entries then we only have a single + * subiter left. There is no need to use the pqueue in that + * case anymore as we know that the subiter will return entries + * in the correct order already. + * + * While this may sound like a very specific edge case, it may + * happen more frequently than you think. Most repositories + * will end up having a single large base table that contains + * most of the refs. It's thus likely that we exhaust all + * subiters but the one from that base ref. + */ + if (empty) + return iterator_next(&mi->subiters[mi->advance_index].iter, + rec); + + err = merged_iter_advance_subiter(mi, mi->advance_index); + if (err < 0) + return err; + if (!err) + empty = 0; + mi->advance_index = -1; + } - if (merged_iter_pqueue_is_empty(mi->pq)) + if (empty) return 1; entry = merged_iter_pqueue_remove(&mi->pq); - err = merged_iter_advance_subiter(mi, entry.index); - if (err < 0) - return err; /* One can also use reftable as datacenter-local storage, where the ref @@ -107,56 +133,34 @@ static int merged_iter_next_entry(struct merged_iter *mi, struct pq_entry top = merged_iter_pqueue_top(mi->pq); int cmp; - /* - * When the next entry comes from the same queue as the current - * entry then it must by definition be larger. This avoids a - * comparison in the most common case. - */ - if (top.index == entry.index) - break; - - cmp = reftable_record_cmp(&top.rec, &entry.rec); + cmp = reftable_record_cmp(top.rec, entry.rec); if (cmp > 0) break; merged_iter_pqueue_remove(&mi->pq); err = merged_iter_advance_subiter(mi, top.index); if (err < 0) - goto done; - reftable_record_release(&top.rec); + return err; } - reftable_record_release(rec); - *rec = entry.rec; - -done: - if (err) - reftable_record_release(&entry.rec); - return err; + mi->advance_index = entry.index; + SWAP(*rec, *entry.rec); + return 0; } -static int merged_iter_next(struct merged_iter *mi, struct reftable_record *rec) +static int merged_iter_next_void(void *p, struct reftable_record *rec) { + struct merged_iter *mi = p; while (1) { int err = merged_iter_next_entry(mi, rec); - if (err == 0 && mi->suppress_deletions && - reftable_record_is_deletion(rec)) { + if (err) + return err; + if (mi->suppress_deletions && reftable_record_is_deletion(rec)) continue; - } - - return err; + return 0; } } -static int merged_iter_next_void(void *p, struct reftable_record *rec) -{ - struct merged_iter *mi = p; - if (merged_iter_pqueue_is_empty(mi->pq)) - return 1; - - return merged_iter_next(mi, rec); -} - static struct reftable_iterator_vtable merged_iter_vtable = { .next = &merged_iter_next_void, .close = &merged_iter_close, @@ -246,14 +250,15 @@ static int merged_table_seek_record(struct reftable_merged_table *mt, .typ = reftable_record_type(rec), .hash_id = mt->hash_id, .suppress_deletions = mt->suppress_deletions, + .advance_index = -1, }; struct merged_iter *p; int err; - REFTABLE_CALLOC_ARRAY(merged.stack, mt->stack_len); + REFTABLE_CALLOC_ARRAY(merged.subiters, mt->stack_len); for (size_t i = 0; i < mt->stack_len; i++) { err = reftable_table_seek_record(&mt->stack[i], - &merged.stack[merged.stack_len], rec); + &merged.subiters[merged.stack_len].iter, rec); if (err < 0) goto out; if (!err) diff --git a/reftable/merged.h b/reftable/merged.h index 7d9f95d27e..a2571dbc99 100644 --- a/reftable/merged.h +++ b/reftable/merged.h @@ -9,7 +9,7 @@ https://developers.google.com/open-source/licenses/bsd #ifndef MERGED_H #define MERGED_H -#include "pq.h" +#include "system.h" struct reftable_merged_table { struct reftable_table *stack; @@ -24,15 +24,6 @@ struct reftable_merged_table { uint64_t max; }; -struct merged_iter { - struct reftable_iterator *stack; - uint32_t hash_id; - size_t stack_len; - uint8_t typ; - int suppress_deletions; - struct merged_iter_pqueue pq; -}; - void merged_table_release(struct reftable_merged_table *mt); #endif diff --git a/reftable/merged_test.c b/reftable/merged_test.c index d0f77a3b8f..530fc82d1c 100644 --- a/reftable/merged_test.c +++ b/reftable/merged_test.c @@ -289,16 +289,13 @@ merged_table_from_log_records(struct reftable_log_record **logs, static void test_merged_logs(void) { - uint8_t hash1[GIT_SHA1_RAWSZ] = { 1 }; - uint8_t hash2[GIT_SHA1_RAWSZ] = { 2 }; - uint8_t hash3[GIT_SHA1_RAWSZ] = { 3 }; struct reftable_log_record r1[] = { { .refname = "a", .update_index = 2, .value_type = REFTABLE_LOG_UPDATE, .value.update = { - .old_hash = hash2, + .old_hash = { 2 }, /* deletion */ .name = "jane doe", .email = "jane@invalid", @@ -310,8 +307,8 @@ static void test_merged_logs(void) .update_index = 1, .value_type = REFTABLE_LOG_UPDATE, .value.update = { - .old_hash = hash1, - .new_hash = hash2, + .old_hash = { 1 }, + .new_hash = { 2 }, .name = "jane doe", .email = "jane@invalid", .message = "message1", @@ -324,7 +321,7 @@ static void test_merged_logs(void) .update_index = 3, .value_type = REFTABLE_LOG_UPDATE, .value.update = { - .new_hash = hash3, + .new_hash = { 3 }, .name = "jane doe", .email = "jane@invalid", .message = "message3", diff --git a/reftable/pq.c b/reftable/pq.c index e0ccce2b97..7fb45d8c60 100644 --- a/reftable/pq.c +++ b/reftable/pq.c @@ -14,22 +14,12 @@ https://developers.google.com/open-source/licenses/bsd int pq_less(struct pq_entry *a, struct pq_entry *b) { - int cmp = reftable_record_cmp(&a->rec, &b->rec); + int cmp = reftable_record_cmp(a->rec, b->rec); if (cmp == 0) return a->index > b->index; return cmp < 0; } -struct pq_entry merged_iter_pqueue_top(struct merged_iter_pqueue pq) -{ - return pq.heap[0]; -} - -int merged_iter_pqueue_is_empty(struct merged_iter_pqueue pq) -{ - return pq.len == 0; -} - struct pq_entry merged_iter_pqueue_remove(struct merged_iter_pqueue *pq) { int i = 0; @@ -82,10 +72,6 @@ void merged_iter_pqueue_add(struct merged_iter_pqueue *pq, const struct pq_entry void merged_iter_pqueue_release(struct merged_iter_pqueue *pq) { - int i = 0; - for (i = 0; i < pq->len; i++) { - reftable_record_release(&pq->heap[i].rec); - } FREE_AND_NULL(pq->heap); - pq->len = pq->cap = 0; + memset(pq, 0, sizeof(*pq)); } diff --git a/reftable/pq.h b/reftable/pq.h index e85bac9b52..f796c23179 100644 --- a/reftable/pq.h +++ b/reftable/pq.h @@ -12,8 +12,8 @@ https://developers.google.com/open-source/licenses/bsd #include "record.h" struct pq_entry { - int index; - struct reftable_record rec; + size_t index; + struct reftable_record *rec; }; struct merged_iter_pqueue { @@ -22,12 +22,20 @@ struct merged_iter_pqueue { size_t cap; }; -struct pq_entry merged_iter_pqueue_top(struct merged_iter_pqueue pq); -int merged_iter_pqueue_is_empty(struct merged_iter_pqueue pq); void merged_iter_pqueue_check(struct merged_iter_pqueue pq); struct pq_entry merged_iter_pqueue_remove(struct merged_iter_pqueue *pq); void merged_iter_pqueue_add(struct merged_iter_pqueue *pq, const struct pq_entry *e); void merged_iter_pqueue_release(struct merged_iter_pqueue *pq); int pq_less(struct pq_entry *a, struct pq_entry *b); +static inline struct pq_entry merged_iter_pqueue_top(struct merged_iter_pqueue pq) +{ + return pq.heap[0]; +} + +static inline int merged_iter_pqueue_is_empty(struct merged_iter_pqueue pq) +{ + return pq.len == 0; +} + #endif diff --git a/reftable/pq_test.c b/reftable/pq_test.c index c202eff848..b7d3c80cc7 100644 --- a/reftable/pq_test.c +++ b/reftable/pq_test.c @@ -27,48 +27,43 @@ void merged_iter_pqueue_check(struct merged_iter_pqueue pq) static void test_pq(void) { - char *names[54] = { NULL }; - int N = ARRAY_SIZE(names) - 1; - struct merged_iter_pqueue pq = { NULL }; + struct reftable_record recs[54]; + int N = ARRAY_SIZE(recs) - 1, i; char *last = NULL; - int i = 0; for (i = 0; i < N; i++) { - char name[100]; - snprintf(name, sizeof(name), "%02d", i); - names[i] = xstrdup(name); + struct strbuf refname = STRBUF_INIT; + strbuf_addf(&refname, "%02d", i); + + reftable_record_init(&recs[i], BLOCK_TYPE_REF); + recs[i].u.ref.refname = strbuf_detach(&refname, NULL); } i = 1; do { - struct pq_entry e = { .rec = { .type = BLOCK_TYPE_REF, - .u.ref = { - .refname = names[i], - } } }; + struct pq_entry e = { + .rec = &recs[i], + }; + merged_iter_pqueue_add(&pq, &e); merged_iter_pqueue_check(pq); + i = (i * 7) % N; } while (i != 1); while (!merged_iter_pqueue_is_empty(pq)) { struct pq_entry e = merged_iter_pqueue_remove(&pq); - struct reftable_record *rec = &e.rec; merged_iter_pqueue_check(pq); - EXPECT(reftable_record_type(rec) == BLOCK_TYPE_REF); - if (last) { - EXPECT(strcmp(last, rec->u.ref.refname) < 0); - } - /* this is names[i], so don't dealloc. */ - last = rec->u.ref.refname; - rec->u.ref.refname = NULL; - reftable_record_release(rec); - } - for (i = 0; i < N; i++) { - reftable_free(names[i]); + EXPECT(reftable_record_type(e.rec) == BLOCK_TYPE_REF); + if (last) + EXPECT(strcmp(last, e.rec->u.ref.refname) < 0); + last = e.rec->u.ref.refname; } + for (i = 0; i < N; i++) + reftable_record_release(&recs[i]); merged_iter_pqueue_release(&pq); } diff --git a/reftable/readwrite_test.c b/reftable/readwrite_test.c index 363fe0f998..a6dbd214c5 100644 --- a/reftable/readwrite_test.c +++ b/reftable/readwrite_test.c @@ -77,18 +77,15 @@ static void write_table(char ***names, struct strbuf *buf, int N, } for (i = 0; i < N; i++) { - uint8_t hash[GIT_SHA256_RAWSZ] = { 0 }; char name[100]; int n; - set_test_hash(hash, i); - snprintf(name, sizeof(name), "refs/heads/branch%02d", i); log.refname = name; log.update_index = update_index; log.value_type = REFTABLE_LOG_UPDATE; - log.value.update.new_hash = hash; + set_test_hash(log.value.update.new_hash, i); log.value.update.message = "message"; n = reftable_writer_add_log(w, &log); @@ -137,13 +134,10 @@ static void test_log_buffer_size(void) /* This tests buffer extension for log compression. Must use a random hash, to ensure that the compressed part is larger than the original. */ - uint8_t hash1[GIT_SHA1_RAWSZ], hash2[GIT_SHA1_RAWSZ]; for (i = 0; i < GIT_SHA1_RAWSZ; i++) { - hash1[i] = (uint8_t)(git_rand() % 256); - hash2[i] = (uint8_t)(git_rand() % 256); + log.value.update.old_hash[i] = (uint8_t)(git_rand() % 256); + log.value.update.new_hash[i] = (uint8_t)(git_rand() % 256); } - log.value.update.old_hash = hash1; - log.value.update.new_hash = hash2; reftable_writer_set_limits(w, update_index, update_index); err = reftable_writer_add_log(w, &log); EXPECT_ERR(err); @@ -161,25 +155,26 @@ static void test_log_overflow(void) .block_size = ARRAY_SIZE(msg), }; int err; - struct reftable_log_record - log = { .refname = "refs/heads/master", - .update_index = 0xa, - .value_type = REFTABLE_LOG_UPDATE, - .value = { .update = { - .name = "Han-Wen Nienhuys", - .email = "hanwen@google.com", - .tz_offset = 100, - .time = 0x5e430672, - .message = msg, - } } }; + struct reftable_log_record log = { + .refname = "refs/heads/master", + .update_index = 0xa, + .value_type = REFTABLE_LOG_UPDATE, + .value = { + .update = { + .old_hash = { 1 }, + .new_hash = { 2 }, + .name = "Han-Wen Nienhuys", + .email = "hanwen@google.com", + .tz_offset = 100, + .time = 0x5e430672, + .message = msg, + }, + }, + }; struct reftable_writer *w = reftable_new_writer(&strbuf_add_void, &noop_flush, &buf, &opts); - uint8_t hash1[GIT_SHA1_RAWSZ] = {1}, hash2[GIT_SHA1_RAWSZ] = { 2 }; - memset(msg, 'x', sizeof(msg) - 1); - log.value.update.old_hash = hash1; - log.value.update.new_hash = hash2; reftable_writer_set_limits(w, update_index, update_index); err = reftable_writer_add_log(w, &log); EXPECT(err == REFTABLE_ENTRY_TOO_BIG_ERROR); @@ -219,16 +214,13 @@ static void test_log_write_read(void) EXPECT_ERR(err); } for (i = 0; i < N; i++) { - uint8_t hash1[GIT_SHA1_RAWSZ], hash2[GIT_SHA1_RAWSZ]; struct reftable_log_record log = { NULL }; - set_test_hash(hash1, i); - set_test_hash(hash2, i + 1); log.refname = names[i]; log.update_index = i; log.value_type = REFTABLE_LOG_UPDATE; - log.value.update.old_hash = hash1; - log.value.update.new_hash = hash2; + set_test_hash(log.value.update.old_hash, i); + set_test_hash(log.value.update.new_hash, i + 1); err = reftable_writer_add_log(w, &log); EXPECT_ERR(err); @@ -298,18 +290,15 @@ static void test_log_zlib_corruption(void) struct reftable_writer *w = reftable_new_writer(&strbuf_add_void, &noop_flush, &buf, &opts); const struct reftable_stats *stats = NULL; - uint8_t hash1[GIT_SHA1_RAWSZ] = { 1 }; - uint8_t hash2[GIT_SHA1_RAWSZ] = { 2 }; char message[100] = { 0 }; int err, i, n; - struct reftable_log_record log = { .refname = "refname", .value_type = REFTABLE_LOG_UPDATE, .value = { .update = { - .new_hash = hash1, - .old_hash = hash2, + .new_hash = { 1 }, + .old_hash = { 2 }, .name = "My Name", .email = "myname@invalid", .message = message, @@ -821,13 +810,12 @@ static void test_write_multiple_indices(void) } for (i = 0; i < 100; i++) { - unsigned char hash[GIT_SHA1_RAWSZ] = {i}; struct reftable_log_record log = { .update_index = 1, .value_type = REFTABLE_LOG_UPDATE, .value.update = { - .old_hash = hash, - .new_hash = hash, + .old_hash = { i }, + .new_hash = { i }, }, }; diff --git a/reftable/record.c b/reftable/record.c index d6bb42e887..5506f3e913 100644 --- a/reftable/record.c +++ b/reftable/record.c @@ -159,34 +159,49 @@ int reftable_encode_key(int *restart, struct string_view dest, return start.len - dest.len; } -int reftable_decode_key(struct strbuf *key, uint8_t *extra, - struct strbuf last_key, struct string_view in) +int reftable_decode_keylen(struct string_view in, + uint64_t *prefix_len, + uint64_t *suffix_len, + uint8_t *extra) { - int start_len = in.len; - uint64_t prefix_len = 0; - uint64_t suffix_len = 0; - int n = get_var_int(&prefix_len, &in); + size_t start_len = in.len; + int n; + + n = get_var_int(prefix_len, &in); if (n < 0) return -1; string_view_consume(&in, n); - if (prefix_len > last_key.len) - return -1; - - n = get_var_int(&suffix_len, &in); + n = get_var_int(suffix_len, &in); if (n <= 0) return -1; string_view_consume(&in, n); - *extra = (uint8_t)(suffix_len & 0x7); - suffix_len >>= 3; + *extra = (uint8_t)(*suffix_len & 0x7); + *suffix_len >>= 3; + + return start_len - in.len; +} + +int reftable_decode_key(struct strbuf *last_key, uint8_t *extra, + struct string_view in) +{ + int start_len = in.len; + uint64_t prefix_len = 0; + uint64_t suffix_len = 0; + int n; + + n = reftable_decode_keylen(in, &prefix_len, &suffix_len, extra); + if (n < 0) + return -1; + string_view_consume(&in, n); - if (in.len < suffix_len) + if (in.len < suffix_len || + prefix_len > last_key->len) return -1; - strbuf_reset(key); - strbuf_add(key, last_key.buf, prefix_len); - strbuf_add(key, in.buf, suffix_len); + strbuf_setlen(last_key, prefix_len); + strbuf_add(last_key, in.buf, suffix_len); string_view_consume(&in, suffix_len); return start_len - in.len; @@ -205,14 +220,26 @@ static void reftable_ref_record_copy_from(void *rec, const void *src_rec, { struct reftable_ref_record *ref = rec; const struct reftable_ref_record *src = src_rec; + char *refname = NULL; + size_t refname_cap = 0; + assert(hash_size > 0); - /* This is simple and correct, but we could probably reuse the hash - * fields. */ + SWAP(refname, ref->refname); + SWAP(refname_cap, ref->refname_cap); reftable_ref_record_release(ref); + SWAP(ref->refname, refname); + SWAP(ref->refname_cap, refname_cap); + if (src->refname) { - ref->refname = xstrdup(src->refname); + size_t refname_len = strlen(src->refname); + + REFTABLE_ALLOC_GROW(ref->refname, refname_len + 1, + ref->refname_cap); + memcpy(ref->refname, src->refname, refname_len); + ref->refname[refname_len] = 0; } + ref->update_index = src->update_index; ref->value_type = src->value_type; switch (src->value_type) { @@ -363,21 +390,29 @@ static int reftable_ref_record_encode(const void *rec, struct string_view s, static int reftable_ref_record_decode(void *rec, struct strbuf key, uint8_t val_type, struct string_view in, - int hash_size) + int hash_size, struct strbuf *scratch) { struct reftable_ref_record *r = rec; struct string_view start = in; uint64_t update_index = 0; - int n = get_var_int(&update_index, &in); + const char *refname = NULL; + size_t refname_cap = 0; + int n; + + assert(hash_size > 0); + + n = get_var_int(&update_index, &in); if (n < 0) return n; string_view_consume(&in, n); + SWAP(refname, r->refname); + SWAP(refname_cap, r->refname_cap); reftable_ref_record_release(r); + SWAP(r->refname, refname); + SWAP(r->refname_cap, refname_cap); - assert(hash_size > 0); - - r->refname = reftable_malloc(key.len + 1); + REFTABLE_ALLOC_GROW(r->refname, key.len + 1, r->refname_cap); memcpy(r->refname, key.buf, key.len); r->refname[key.len] = 0; @@ -406,13 +441,12 @@ static int reftable_ref_record_decode(void *rec, struct strbuf key, break; case REFTABLE_REF_SYMREF: { - struct strbuf dest = STRBUF_INIT; - int n = decode_string(&dest, in); + int n = decode_string(scratch, in); if (n < 0) { return -1; } string_view_consume(&in, n); - r->value.symref = dest.buf; + r->value.symref = strbuf_detach(scratch, NULL); } break; case REFTABLE_REF_DELETION: @@ -560,7 +594,7 @@ static int reftable_obj_record_encode(const void *rec, struct string_view s, static int reftable_obj_record_decode(void *rec, struct strbuf key, uint8_t val_type, struct string_view in, - int hash_size) + int hash_size, struct strbuf *scratch UNUSED) { struct string_view start = in; struct reftable_obj_record *r = rec; @@ -569,6 +603,8 @@ static int reftable_obj_record_decode(void *rec, struct strbuf key, uint64_t last; int j; + reftable_obj_record_release(r); + REFTABLE_ALLOC_ARRAY(r->hash_prefix, key.len); memcpy(r->hash_prefix, key.buf, key.len); r->hash_prefix_len = key.len; @@ -744,16 +780,10 @@ static void reftable_log_record_copy_from(void *rec, const void *src_rec, xstrdup(dst->value.update.message); } - if (dst->value.update.new_hash) { - REFTABLE_ALLOC_ARRAY(dst->value.update.new_hash, hash_size); - memcpy(dst->value.update.new_hash, - src->value.update.new_hash, hash_size); - } - if (dst->value.update.old_hash) { - REFTABLE_ALLOC_ARRAY(dst->value.update.old_hash, hash_size); - memcpy(dst->value.update.old_hash, - src->value.update.old_hash, hash_size); - } + memcpy(dst->value.update.new_hash, + src->value.update.new_hash, hash_size); + memcpy(dst->value.update.old_hash, + src->value.update.old_hash, hash_size); break; } } @@ -771,8 +801,6 @@ void reftable_log_record_release(struct reftable_log_record *r) case REFTABLE_LOG_DELETION: break; case REFTABLE_LOG_UPDATE: - reftable_free(r->value.update.new_hash); - reftable_free(r->value.update.old_hash); reftable_free(r->value.update.name); reftable_free(r->value.update.email); reftable_free(r->value.update.message); @@ -789,33 +817,20 @@ static uint8_t reftable_log_record_val_type(const void *rec) return reftable_log_record_is_deletion(log) ? 0 : 1; } -static uint8_t zero[GIT_SHA256_RAWSZ] = { 0 }; - static int reftable_log_record_encode(const void *rec, struct string_view s, int hash_size) { const struct reftable_log_record *r = rec; struct string_view start = s; int n = 0; - uint8_t *oldh = NULL; - uint8_t *newh = NULL; if (reftable_log_record_is_deletion(r)) return 0; - oldh = r->value.update.old_hash; - newh = r->value.update.new_hash; - if (!oldh) { - oldh = zero; - } - if (!newh) { - newh = zero; - } - if (s.len < 2 * hash_size) return -1; - memcpy(s.buf, oldh, hash_size); - memcpy(s.buf + hash_size, newh, hash_size); + memcpy(s.buf, r->value.update.old_hash, hash_size); + memcpy(s.buf + hash_size, r->value.update.new_hash, hash_size); string_view_consume(&s, 2 * hash_size); n = encode_string(r->value.update.name ? r->value.update.name : "", s); @@ -851,19 +866,18 @@ static int reftable_log_record_encode(const void *rec, struct string_view s, static int reftable_log_record_decode(void *rec, struct strbuf key, uint8_t val_type, struct string_view in, - int hash_size) + int hash_size, struct strbuf *scratch) { struct string_view start = in; struct reftable_log_record *r = rec; uint64_t max = 0; uint64_t ts = 0; - struct strbuf dest = STRBUF_INIT; int n; if (key.len <= 9 || key.buf[key.len - 9] != 0) return REFTABLE_FORMAT_ERROR; - r->refname = reftable_realloc(r->refname, key.len - 8); + REFTABLE_ALLOC_GROW(r->refname, key.len - 8, r->refname_cap); memcpy(r->refname, key.buf, key.len - 8); ts = get_be64(key.buf + key.len - 8); @@ -872,9 +886,8 @@ static int reftable_log_record_decode(void *rec, struct strbuf key, if (val_type != r->value_type) { switch (r->value_type) { case REFTABLE_LOG_UPDATE: - FREE_AND_NULL(r->value.update.old_hash); - FREE_AND_NULL(r->value.update.new_hash); FREE_AND_NULL(r->value.update.message); + r->value.update.message_cap = 0; FREE_AND_NULL(r->value.update.email); FREE_AND_NULL(r->value.update.name); break; @@ -890,36 +903,43 @@ static int reftable_log_record_decode(void *rec, struct strbuf key, if (in.len < 2 * hash_size) return REFTABLE_FORMAT_ERROR; - r->value.update.old_hash = - reftable_realloc(r->value.update.old_hash, hash_size); - r->value.update.new_hash = - reftable_realloc(r->value.update.new_hash, hash_size); - memcpy(r->value.update.old_hash, in.buf, hash_size); memcpy(r->value.update.new_hash, in.buf + hash_size, hash_size); string_view_consume(&in, 2 * hash_size); - n = decode_string(&dest, in); + n = decode_string(scratch, in); if (n < 0) goto done; string_view_consume(&in, n); - r->value.update.name = - reftable_realloc(r->value.update.name, dest.len + 1); - memcpy(r->value.update.name, dest.buf, dest.len); - r->value.update.name[dest.len] = 0; + /* + * In almost all cases we can expect the reflog name to not change for + * reflog entries as they are tied to the local identity, not to the + * target commits. As an optimization for this common case we can thus + * skip copying over the name in case it's accurate already. + */ + if (!r->value.update.name || + strcmp(r->value.update.name, scratch->buf)) { + r->value.update.name = + reftable_realloc(r->value.update.name, scratch->len + 1); + memcpy(r->value.update.name, scratch->buf, scratch->len); + r->value.update.name[scratch->len] = 0; + } - strbuf_reset(&dest); - n = decode_string(&dest, in); + n = decode_string(scratch, in); if (n < 0) goto done; string_view_consume(&in, n); - r->value.update.email = - reftable_realloc(r->value.update.email, dest.len + 1); - memcpy(r->value.update.email, dest.buf, dest.len); - r->value.update.email[dest.len] = 0; + /* Same as above, but for the reflog email. */ + if (!r->value.update.email || + strcmp(r->value.update.email, scratch->buf)) { + r->value.update.email = + reftable_realloc(r->value.update.email, scratch->len + 1); + memcpy(r->value.update.email, scratch->buf, scratch->len); + r->value.update.email[scratch->len] = 0; + } ts = 0; n = get_var_int(&ts, &in); @@ -933,22 +953,19 @@ static int reftable_log_record_decode(void *rec, struct strbuf key, r->value.update.tz_offset = get_be16(in.buf); string_view_consume(&in, 2); - strbuf_reset(&dest); - n = decode_string(&dest, in); + n = decode_string(scratch, in); if (n < 0) goto done; string_view_consume(&in, n); - r->value.update.message = - reftable_realloc(r->value.update.message, dest.len + 1); - memcpy(r->value.update.message, dest.buf, dest.len); - r->value.update.message[dest.len] = 0; + REFTABLE_ALLOC_GROW(r->value.update.message, scratch->len + 1, + r->value.update.message_cap); + memcpy(r->value.update.message, scratch->buf, scratch->len); + r->value.update.message[scratch->len] = 0; - strbuf_release(&dest); return start.len - in.len; done: - strbuf_release(&dest); return REFTABLE_FORMAT_ERROR; } @@ -964,17 +981,6 @@ static int null_streq(char *a, char *b) return 0 == strcmp(a, b); } -static int zero_hash_eq(uint8_t *a, uint8_t *b, int sz) -{ - if (!a) - a = zero; - - if (!b) - b = zero; - - return !memcmp(a, b, sz); -} - static int reftable_log_record_equal_void(const void *a, const void *b, int hash_size) { @@ -1018,10 +1024,10 @@ int reftable_log_record_equal(const struct reftable_log_record *a, b->value.update.email) && null_streq(a->value.update.message, b->value.update.message) && - zero_hash_eq(a->value.update.old_hash, - b->value.update.old_hash, hash_size) && - zero_hash_eq(a->value.update.new_hash, - b->value.update.new_hash, hash_size); + !memcmp(a->value.update.old_hash, + b->value.update.old_hash, hash_size) && + !memcmp(a->value.update.new_hash, + b->value.update.new_hash, hash_size); } abort(); @@ -1099,7 +1105,7 @@ static int reftable_index_record_encode(const void *rec, struct string_view out, static int reftable_index_record_decode(void *rec, struct strbuf key, uint8_t val_type, struct string_view in, - int hash_size) + int hash_size, struct strbuf *scratch UNUSED) { struct string_view start = in; struct reftable_index_record *r = rec; @@ -1157,11 +1163,6 @@ void reftable_record_key(struct reftable_record *rec, struct strbuf *dest) reftable_record_vtable(rec)->key(reftable_record_data(rec), dest); } -uint8_t reftable_record_type(struct reftable_record *rec) -{ - return rec->type; -} - int reftable_record_encode(struct reftable_record *rec, struct string_view dest, int hash_size) { @@ -1185,10 +1186,12 @@ uint8_t reftable_record_val_type(struct reftable_record *rec) } int reftable_record_decode(struct reftable_record *rec, struct strbuf key, - uint8_t extra, struct string_view src, int hash_size) + uint8_t extra, struct string_view src, int hash_size, + struct strbuf *scratch) { return reftable_record_vtable(rec)->decode(reftable_record_data(rec), - key, extra, src, hash_size); + key, extra, src, hash_size, + scratch); } void reftable_record_release(struct reftable_record *rec) @@ -1283,12 +1286,6 @@ int reftable_log_record_is_deletion(const struct reftable_log_record *log) return (log->value_type == REFTABLE_LOG_DELETION); } -void string_view_consume(struct string_view *s, int n) -{ - s->buf += n; - s->len -= n; -} - static void *reftable_record_data(struct reftable_record *rec) { switch (rec->type) { diff --git a/reftable/record.h b/reftable/record.h index a05e2be179..d778133e6e 100644 --- a/reftable/record.h +++ b/reftable/record.h @@ -25,7 +25,11 @@ struct string_view { }; /* Advance `s.buf` by `n`, and decrease length. */ -void string_view_consume(struct string_view *s, int n); +static inline void string_view_consume(struct string_view *s, int n) +{ + s->buf += n; + s->len -= n; +} /* utilities for de/encoding varints */ @@ -51,7 +55,8 @@ struct reftable_record_vtable { /* decode data from `src` into the record. */ int (*decode)(void *rec, struct strbuf key, uint8_t extra, - struct string_view src, int hash_size); + struct string_view src, int hash_size, + struct strbuf *scratch); /* deallocate and null the record. */ void (*release)(void *rec); @@ -81,9 +86,18 @@ int reftable_encode_key(int *is_restart, struct string_view dest, struct strbuf prev_key, struct strbuf key, uint8_t extra); -/* Decode into `key` and `extra` from `in` */ -int reftable_decode_key(struct strbuf *key, uint8_t *extra, - struct strbuf last_key, struct string_view in); +/* Decode a record's key lengths. */ +int reftable_decode_keylen(struct string_view in, + uint64_t *prefix_len, + uint64_t *suffix_len, + uint8_t *extra); + +/* + * Decode into `last_key` and `extra` from `in`. `last_key` is expected to + * contain the decoded key of the preceding record, if any. + */ +int reftable_decode_key(struct strbuf *last_key, uint8_t *extra, + struct string_view in); /* reftable_index_record are used internally to speed up lookups. */ struct reftable_index_record { @@ -124,7 +138,6 @@ int reftable_record_cmp(struct reftable_record *a, struct reftable_record *b); int reftable_record_equal(struct reftable_record *a, struct reftable_record *b, int hash_size); void reftable_record_print(struct reftable_record *rec, int hash_size); void reftable_record_key(struct reftable_record *rec, struct strbuf *dest); -uint8_t reftable_record_type(struct reftable_record *rec); void reftable_record_copy_from(struct reftable_record *rec, struct reftable_record *src, int hash_size); uint8_t reftable_record_val_type(struct reftable_record *rec); @@ -132,9 +145,14 @@ int reftable_record_encode(struct reftable_record *rec, struct string_view dest, int hash_size); int reftable_record_decode(struct reftable_record *rec, struct strbuf key, uint8_t extra, struct string_view src, - int hash_size); + int hash_size, struct strbuf *scratch); int reftable_record_is_deletion(struct reftable_record *rec); +static inline uint8_t reftable_record_type(struct reftable_record *rec) +{ + return rec->type; +} + /* frees and zeroes out the embedded record */ void reftable_record_release(struct reftable_record *rec); diff --git a/reftable/record_test.c b/reftable/record_test.c index a86cff5526..c158ee79ff 100644 --- a/reftable/record_test.c +++ b/reftable/record_test.c @@ -99,6 +99,7 @@ static void set_hash(uint8_t *h, int j) static void test_reftable_ref_record_roundtrip(void) { + struct strbuf scratch = STRBUF_INIT; int i = 0; for (i = REFTABLE_REF_DELETION; i < REFTABLE_NR_REF_VALUETYPES; i++) { @@ -140,7 +141,7 @@ static void test_reftable_ref_record_roundtrip(void) EXPECT(n > 0); /* decode into a non-zero reftable_record to test for leaks. */ - m = reftable_record_decode(&out, key, i, dest, GIT_SHA1_RAWSZ); + m = reftable_record_decode(&out, key, i, dest, GIT_SHA1_RAWSZ, &scratch); EXPECT(n == m); EXPECT(reftable_ref_record_equal(&in.u.ref, &out.u.ref, @@ -150,6 +151,8 @@ static void test_reftable_ref_record_roundtrip(void) strbuf_release(&key); reftable_record_release(&out); } + + strbuf_release(&scratch); } static void test_reftable_log_record_equal(void) @@ -175,7 +178,6 @@ static void test_reftable_log_record_equal(void) static void test_reftable_log_record_roundtrip(void) { int i; - struct reftable_log_record in[] = { { .refname = xstrdup("refs/heads/master"), @@ -183,8 +185,6 @@ static void test_reftable_log_record_roundtrip(void) .value_type = REFTABLE_LOG_UPDATE, .value = { .update = { - .old_hash = reftable_malloc(GIT_SHA1_RAWSZ), - .new_hash = reftable_malloc(GIT_SHA1_RAWSZ), .name = xstrdup("han-wen"), .email = xstrdup("hanwen@google.com"), .message = xstrdup("test"), @@ -202,15 +202,10 @@ static void test_reftable_log_record_roundtrip(void) .refname = xstrdup("branch"), .update_index = 33, .value_type = REFTABLE_LOG_UPDATE, - .value = { - .update = { - .old_hash = reftable_malloc(GIT_SHA1_RAWSZ), - .new_hash = reftable_malloc(GIT_SHA1_RAWSZ), - /* rest of fields left empty. */ - }, - }, } }; + struct strbuf scratch = STRBUF_INIT; + set_test_hash(in[0].value.update.new_hash, 1); set_test_hash(in[0].value.update.old_hash, 2); set_test_hash(in[2].value.update.new_hash, 3); @@ -231,8 +226,6 @@ static void test_reftable_log_record_roundtrip(void) .value_type = REFTABLE_LOG_UPDATE, .value = { .update = { - .new_hash = reftable_calloc(GIT_SHA1_RAWSZ, 1), - .old_hash = reftable_calloc(GIT_SHA1_RAWSZ, 1), .name = xstrdup("old name"), .email = xstrdup("old@email"), .message = xstrdup("old message"), @@ -252,7 +245,7 @@ static void test_reftable_log_record_roundtrip(void) EXPECT(n >= 0); valtype = reftable_record_val_type(&rec); m = reftable_record_decode(&out, key, valtype, dest, - GIT_SHA1_RAWSZ); + GIT_SHA1_RAWSZ, &scratch); EXPECT(n == m); EXPECT(reftable_log_record_equal(&in[i], &out.u.log, @@ -261,6 +254,8 @@ static void test_reftable_log_record_roundtrip(void) strbuf_release(&key); reftable_record_release(&out); } + + strbuf_release(&scratch); } static void test_u24_roundtrip(void) @@ -295,7 +290,8 @@ static void test_key_roundtrip(void) EXPECT(!restart); EXPECT(n > 0); - m = reftable_decode_key(&roundtrip, &rt_extra, last_key, dest); + strbuf_addstr(&roundtrip, "refs/heads/master"); + m = reftable_decode_key(&roundtrip, &rt_extra, dest); EXPECT(n == m); EXPECT(0 == strbuf_cmp(&key, &roundtrip)); EXPECT(rt_extra == extra); @@ -309,23 +305,27 @@ static void test_reftable_obj_record_roundtrip(void) { uint8_t testHash1[GIT_SHA1_RAWSZ] = { 1, 2, 3, 4, 0 }; uint64_t till9[] = { 1, 2, 3, 4, 500, 600, 700, 800, 9000 }; - struct reftable_obj_record recs[3] = { { - .hash_prefix = testHash1, - .hash_prefix_len = 5, - .offsets = till9, - .offset_len = 3, - }, - { - .hash_prefix = testHash1, - .hash_prefix_len = 5, - .offsets = till9, - .offset_len = 9, - }, - { - .hash_prefix = testHash1, - .hash_prefix_len = 5, - } }; + struct reftable_obj_record recs[3] = { + { + .hash_prefix = testHash1, + .hash_prefix_len = 5, + .offsets = till9, + .offset_len = 3, + }, + { + .hash_prefix = testHash1, + .hash_prefix_len = 5, + .offsets = till9, + .offset_len = 9, + }, + { + .hash_prefix = testHash1, + .hash_prefix_len = 5, + }, + }; + struct strbuf scratch = STRBUF_INIT; int i = 0; + for (i = 0; i < ARRAY_SIZE(recs); i++) { uint8_t buffer[1024] = { 0 }; struct string_view dest = { @@ -349,13 +349,15 @@ static void test_reftable_obj_record_roundtrip(void) EXPECT(n > 0); extra = reftable_record_val_type(&in); m = reftable_record_decode(&out, key, extra, dest, - GIT_SHA1_RAWSZ); + GIT_SHA1_RAWSZ, &scratch); EXPECT(n == m); EXPECT(reftable_record_equal(&in, &out, GIT_SHA1_RAWSZ)); strbuf_release(&key); reftable_record_release(&out); } + + strbuf_release(&scratch); } static void test_reftable_index_record_roundtrip(void) @@ -372,6 +374,7 @@ static void test_reftable_index_record_roundtrip(void) .buf = buffer, .len = sizeof(buffer), }; + struct strbuf scratch = STRBUF_INIT; struct strbuf key = STRBUF_INIT; struct reftable_record out = { .type = BLOCK_TYPE_INDEX, @@ -389,13 +392,15 @@ static void test_reftable_index_record_roundtrip(void) EXPECT(n > 0); extra = reftable_record_val_type(&in); - m = reftable_record_decode(&out, key, extra, dest, GIT_SHA1_RAWSZ); + m = reftable_record_decode(&out, key, extra, dest, GIT_SHA1_RAWSZ, + &scratch); EXPECT(m == n); EXPECT(reftable_record_equal(&in, &out, GIT_SHA1_RAWSZ)); reftable_record_release(&out); strbuf_release(&key); + strbuf_release(&scratch); strbuf_release(&in.u.idx.last_key); } diff --git a/reftable/refname.c b/reftable/refname.c index 7570e4acf9..bbfde15754 100644 --- a/reftable/refname.c +++ b/reftable/refname.c @@ -12,15 +12,15 @@ #include "refname.h" #include "reftable-iterator.h" -struct find_arg { - char **names; - const char *want; +struct refname_needle_lesseq_args { + char **haystack; + const char *needle; }; -static int find_name(size_t k, void *arg) +static int refname_needle_lesseq(size_t k, void *_args) { - struct find_arg *f_arg = arg; - return strcmp(f_arg->names[k], f_arg->want) >= 0; + struct refname_needle_lesseq_args *args = _args; + return strcmp(args->needle, args->haystack[k]) <= 0; } static int modification_has_ref(struct modification *mod, const char *name) @@ -29,25 +29,23 @@ static int modification_has_ref(struct modification *mod, const char *name) int err = 0; if (mod->add_len > 0) { - struct find_arg arg = { - .names = mod->add, - .want = name, + struct refname_needle_lesseq_args args = { + .haystack = mod->add, + .needle = name, }; - int idx = binsearch(mod->add_len, find_name, &arg); - if (idx < mod->add_len && !strcmp(mod->add[idx], name)) { + size_t idx = binsearch(mod->add_len, refname_needle_lesseq, &args); + if (idx < mod->add_len && !strcmp(mod->add[idx], name)) return 0; - } } if (mod->del_len > 0) { - struct find_arg arg = { - .names = mod->del, - .want = name, + struct refname_needle_lesseq_args args = { + .haystack = mod->del, + .needle = name, }; - int idx = binsearch(mod->del_len, find_name, &arg); - if (idx < mod->del_len && !strcmp(mod->del[idx], name)) { + size_t idx = binsearch(mod->del_len, refname_needle_lesseq, &args); + if (idx < mod->del_len && !strcmp(mod->del[idx], name)) return 1; - } } err = reftable_table_read_ref(&mod->tab, name, &ref); @@ -73,11 +71,11 @@ static int modification_has_ref_with_prefix(struct modification *mod, int err = 0; if (mod->add_len > 0) { - struct find_arg arg = { - .names = mod->add, - .want = prefix, + struct refname_needle_lesseq_args args = { + .haystack = mod->add, + .needle = prefix, }; - int idx = binsearch(mod->add_len, find_name, &arg); + size_t idx = binsearch(mod->add_len, refname_needle_lesseq, &args); if (idx < mod->add_len && !strncmp(prefix, mod->add[idx], strlen(prefix))) goto done; @@ -92,15 +90,14 @@ static int modification_has_ref_with_prefix(struct modification *mod, goto done; if (mod->del_len > 0) { - struct find_arg arg = { - .names = mod->del, - .want = ref.refname, + struct refname_needle_lesseq_args args = { + .haystack = mod->del, + .needle = ref.refname, }; - int idx = binsearch(mod->del_len, find_name, &arg); + size_t idx = binsearch(mod->del_len, refname_needle_lesseq, &args); if (idx < mod->del_len && - !strcmp(ref.refname, mod->del[idx])) { + !strcmp(ref.refname, mod->del[idx])) continue; - } } if (strncmp(ref.refname, prefix, strlen(prefix))) { diff --git a/reftable/reftable-error.h b/reftable/reftable-error.h index 4c457aaaf8..e9b07c9f36 100644 --- a/reftable/reftable-error.h +++ b/reftable/reftable-error.h @@ -25,7 +25,7 @@ enum reftable_error { */ REFTABLE_NOT_EXIST_ERROR = -4, - /* Trying to write out-of-date data. */ + /* Trying to access locked data. */ REFTABLE_LOCK_ERROR = -5, /* Misuse of the API: @@ -57,6 +57,9 @@ enum reftable_error { /* Entry does not fit. This can happen when writing outsize reflog messages. */ REFTABLE_ENTRY_TOO_BIG_ERROR = -11, + + /* Trying to write out-of-date data. */ + REFTABLE_OUTDATED_ERROR = -12, }; /* convert the numeric error code to a string. The string should not be diff --git a/reftable/reftable-record.h b/reftable/reftable-record.h index bb6e99acd3..2a2943cd13 100644 --- a/reftable/reftable-record.h +++ b/reftable/reftable-record.h @@ -22,6 +22,7 @@ https://developers.google.com/open-source/licenses/bsd /* reftable_ref_record holds a ref database entry target_value */ struct reftable_ref_record { char *refname; /* Name of the ref, malloced. */ + size_t refname_cap; uint64_t update_index; /* Logical timestamp at which this value is * written */ @@ -73,6 +74,7 @@ int reftable_ref_record_equal(const struct reftable_ref_record *a, /* reftable_log_record holds a reflog entry */ struct reftable_log_record { char *refname; + size_t refname_cap; uint64_t update_index; /* logical timestamp of a transactional update. */ @@ -87,13 +89,14 @@ struct reftable_log_record { union { struct { - uint8_t *new_hash; - uint8_t *old_hash; + unsigned char new_hash[GIT_MAX_RAWSZ]; + unsigned char old_hash[GIT_MAX_RAWSZ]; char *name; char *email; uint64_t time; int16_t tz_offset; char *message; + size_t message_cap; } update; } value; }; diff --git a/reftable/stack.c b/reftable/stack.c index b64e55648a..dde50b61d6 100644 --- a/reftable/stack.c +++ b/reftable/stack.c @@ -529,9 +529,9 @@ int reftable_stack_add(struct reftable_stack *st, { int err = stack_try_add(st, write, arg); if (err < 0) { - if (err == REFTABLE_LOCK_ERROR) { + if (err == REFTABLE_OUTDATED_ERROR) { /* Ignore error return, we want to propagate - REFTABLE_LOCK_ERROR. + REFTABLE_OUTDATED_ERROR. */ reftable_stack_reload(st); } @@ -590,9 +590,8 @@ static int reftable_stack_init_addition(struct reftable_addition *add, err = stack_uptodate(st); if (err < 0) goto done; - - if (err > 1) { - err = REFTABLE_LOCK_ERROR; + if (err > 0) { + err = REFTABLE_OUTDATED_ERROR; goto done; } @@ -681,8 +680,19 @@ int reftable_addition_commit(struct reftable_addition *add) if (err) goto done; - if (!add->stack->disable_auto_compact) + if (!add->stack->disable_auto_compact) { + /* + * Auto-compact the stack to keep the number of tables in + * control. It is possible that a concurrent writer is already + * trying to compact parts of the stack, which would lead to a + * `REFTABLE_LOCK_ERROR` because parts of the stack are locked + * already. This is a benign error though, so we ignore it. + */ err = reftable_stack_auto_compact(add->stack); + if (err < 0 && err != REFTABLE_LOCK_ERROR) + goto done; + err = 0; + } done: reftable_addition_close(add); @@ -713,10 +723,6 @@ static int stack_try_add(struct reftable_stack *st, int err = reftable_stack_init_addition(&add, st); if (err < 0) goto done; - if (err > 0) { - err = REFTABLE_LOCK_ERROR; - goto done; - } err = reftable_addition_add(&add, write_table, arg); if (err < 0) @@ -737,8 +743,9 @@ int reftable_addition_add(struct reftable_addition *add, struct strbuf tab_file_name = STRBUF_INIT; struct strbuf next_name = STRBUF_INIT; struct reftable_writer *wr = NULL; + struct tempfile *tab_file = NULL; int err = 0; - int tab_fd = 0; + int tab_fd; strbuf_reset(&next_name); format_name(&next_name, add->next_update_index, add->next_update_index); @@ -746,17 +753,20 @@ int reftable_addition_add(struct reftable_addition *add, stack_filename(&temp_tab_file_name, add->stack, next_name.buf); strbuf_addstr(&temp_tab_file_name, ".temp.XXXXXX"); - tab_fd = mkstemp(temp_tab_file_name.buf); - if (tab_fd < 0) { + tab_file = mks_tempfile(temp_tab_file_name.buf); + if (!tab_file) { err = REFTABLE_IO_ERROR; goto done; } if (add->stack->config.default_permissions) { - if (chmod(temp_tab_file_name.buf, add->stack->config.default_permissions)) { + if (chmod(get_tempfile_path(tab_file), + add->stack->config.default_permissions)) { err = REFTABLE_IO_ERROR; goto done; } } + tab_fd = get_tempfile_fd(tab_file); + wr = reftable_new_writer(reftable_fd_write, reftable_fd_flush, &tab_fd, &add->stack->config); err = write_table(wr, arg); @@ -771,14 +781,13 @@ int reftable_addition_add(struct reftable_addition *add, if (err < 0) goto done; - err = close(tab_fd); - tab_fd = 0; + err = close_tempfile_gently(tab_file); if (err < 0) { err = REFTABLE_IO_ERROR; goto done; } - err = stack_check_addition(add->stack, temp_tab_file_name.buf); + err = stack_check_addition(add->stack, get_tempfile_path(tab_file)); if (err < 0) goto done; @@ -789,14 +798,13 @@ int reftable_addition_add(struct reftable_addition *add, format_name(&next_name, wr->min_update_index, wr->max_update_index); strbuf_addstr(&next_name, ".ref"); - stack_filename(&tab_file_name, add->stack, next_name.buf); /* On windows, this relies on rand() picking a unique destination name. Maybe we should do retry loop as well? */ - err = rename(temp_tab_file_name.buf, tab_file_name.buf); + err = rename_tempfile(&tab_file, tab_file_name.buf); if (err < 0) { err = REFTABLE_IO_ERROR; goto done; @@ -806,14 +814,7 @@ int reftable_addition_add(struct reftable_addition *add, add->new_tables_cap); add->new_tables[add->new_tables_len++] = strbuf_detach(&next_name, NULL); done: - if (tab_fd > 0) { - close(tab_fd); - tab_fd = 0; - } - if (temp_tab_file_name.len > 0) { - unlink(temp_tab_file_name.buf); - } - + delete_tempfile(&tab_file); strbuf_release(&temp_tab_file_name); strbuf_release(&tab_file_name); strbuf_release(&next_name); @@ -832,51 +833,56 @@ uint64_t reftable_stack_next_update_index(struct reftable_stack *st) static int stack_compact_locked(struct reftable_stack *st, size_t first, size_t last, - struct strbuf *temp_tab, - struct reftable_log_expiry_config *config) + struct reftable_log_expiry_config *config, + struct tempfile **tab_file_out) { struct strbuf next_name = STRBUF_INIT; - int tab_fd = -1; + struct strbuf tab_file_path = STRBUF_INIT; struct reftable_writer *wr = NULL; - int err = 0; + struct tempfile *tab_file; + int tab_fd, err = 0; format_name(&next_name, reftable_reader_min_update_index(st->readers[first]), reftable_reader_max_update_index(st->readers[last])); + stack_filename(&tab_file_path, st, next_name.buf); + strbuf_addstr(&tab_file_path, ".temp.XXXXXX"); - stack_filename(temp_tab, st, next_name.buf); - strbuf_addstr(temp_tab, ".temp.XXXXXX"); + tab_file = mks_tempfile(tab_file_path.buf); + if (!tab_file) { + err = REFTABLE_IO_ERROR; + goto done; + } + tab_fd = get_tempfile_fd(tab_file); - tab_fd = mkstemp(temp_tab->buf); if (st->config.default_permissions && - chmod(temp_tab->buf, st->config.default_permissions) < 0) { + chmod(get_tempfile_path(tab_file), st->config.default_permissions) < 0) { err = REFTABLE_IO_ERROR; goto done; } - wr = reftable_new_writer(reftable_fd_write, reftable_fd_flush, &tab_fd, &st->config); - + wr = reftable_new_writer(reftable_fd_write, reftable_fd_flush, + &tab_fd, &st->config); err = stack_write_compact(st, wr, first, last, config); if (err < 0) goto done; + err = reftable_writer_close(wr); if (err < 0) goto done; - err = close(tab_fd); - tab_fd = 0; + err = close_tempfile_gently(tab_file); + if (err < 0) + goto done; + + *tab_file_out = tab_file; + tab_file = NULL; done: + delete_tempfile(&tab_file); reftable_writer_free(wr); - if (tab_fd > 0) { - close(tab_fd); - tab_fd = 0; - } - if (err != 0 && temp_tab->len > 0) { - unlink(temp_tab->buf); - strbuf_release(temp_tab); - } strbuf_release(&next_name); + strbuf_release(&tab_file_path); return err; } @@ -978,217 +984,213 @@ done: return err; } -/* < 0: error. 0 == OK, > 0 attempt failed; could retry. */ +/* + * Compact all tables in the range `[first, last)` into a single new table. + * + * This function returns `0` on success or a code `< 0` on failure. When the + * stack or any of the tables in the specified range are already locked then + * this function returns `REFTABLE_LOCK_ERROR`. This is a benign error that + * callers can either ignore, or they may choose to retry compaction after some + * amount of time. + */ static int stack_compact_range(struct reftable_stack *st, size_t first, size_t last, struct reftable_log_expiry_config *expiry) { - char **delete_on_success = NULL, **subtable_locks = NULL, **listp = NULL; - struct strbuf temp_tab_file_name = STRBUF_INIT; + struct strbuf tables_list_buf = STRBUF_INIT; struct strbuf new_table_name = STRBUF_INIT; - struct strbuf lock_file_name = STRBUF_INIT; - struct strbuf ref_list_contents = STRBUF_INIT; struct strbuf new_table_path = STRBUF_INIT; - size_t i, j, compact_count; - int err = 0; - int have_lock = 0; - int lock_file_fd = -1; - int is_empty_table = 0; + struct strbuf table_name = STRBUF_INIT; + struct lock_file tables_list_lock = LOCK_INIT; + struct lock_file *table_locks = NULL; + struct tempfile *new_table = NULL; + int is_empty_table = 0, err = 0; + size_t i; if (first > last || (!expiry && first == last)) { err = 0; goto done; } - compact_count = last - first + 1; - REFTABLE_CALLOC_ARRAY(delete_on_success, compact_count + 1); - REFTABLE_CALLOC_ARRAY(subtable_locks, compact_count + 1); - st->stats.attempts++; - strbuf_reset(&lock_file_name); - strbuf_addstr(&lock_file_name, st->list_file); - strbuf_addstr(&lock_file_name, ".lock"); - - lock_file_fd = - open(lock_file_name.buf, O_EXCL | O_CREAT | O_WRONLY, 0666); - if (lock_file_fd < 0) { - if (errno == EEXIST) { - err = 1; - } else { + /* + * Hold the lock so that we can read "tables.list" and lock all tables + * which are part of the user-specified range. + */ + err = hold_lock_file_for_update(&tables_list_lock, st->list_file, + LOCK_NO_DEREF); + if (err < 0) { + if (errno == EEXIST) + err = REFTABLE_LOCK_ERROR; + else err = REFTABLE_IO_ERROR; - } goto done; } - /* Don't want to write to the lock for now. */ - close(lock_file_fd); - lock_file_fd = -1; - have_lock = 1; err = stack_uptodate(st); - if (err != 0) + if (err) goto done; - for (i = first, j = 0; i <= last; i++) { - struct strbuf subtab_file_name = STRBUF_INIT; - struct strbuf subtab_lock = STRBUF_INIT; - int sublock_file_fd = -1; - - stack_filename(&subtab_file_name, st, - reader_name(st->readers[i])); - - strbuf_reset(&subtab_lock); - strbuf_addbuf(&subtab_lock, &subtab_file_name); - strbuf_addstr(&subtab_lock, ".lock"); - - sublock_file_fd = open(subtab_lock.buf, - O_EXCL | O_CREAT | O_WRONLY, 0666); - if (sublock_file_fd >= 0) { - close(sublock_file_fd); - } else if (sublock_file_fd < 0) { - if (errno == EEXIST) { - err = 1; - } else { + /* + * Lock all tables in the user-provided range. This is the slice of our + * stack which we'll compact. + */ + REFTABLE_CALLOC_ARRAY(table_locks, last - first + 1); + for (i = first; i <= last; i++) { + stack_filename(&table_name, st, reader_name(st->readers[i])); + + err = hold_lock_file_for_update(&table_locks[i - first], + table_name.buf, LOCK_NO_DEREF); + if (err < 0) { + if (errno == EEXIST) + err = REFTABLE_LOCK_ERROR; + else err = REFTABLE_IO_ERROR; - } + goto done; } - subtable_locks[j] = subtab_lock.buf; - delete_on_success[j] = subtab_file_name.buf; - j++; - - if (err != 0) + /* + * We need to close the lockfiles as we might otherwise easily + * run into file descriptor exhaustion when we compress a lot + * of tables. + */ + err = close_lock_file_gently(&table_locks[i - first]); + if (err < 0) { + err = REFTABLE_IO_ERROR; goto done; + } } - err = unlink(lock_file_name.buf); - if (err < 0) + /* + * We have locked all tables in our range and can thus release the + * "tables.list" lock while compacting the locked tables. This allows + * concurrent updates to the stack to proceed. + */ + err = rollback_lock_file(&tables_list_lock); + if (err < 0) { + err = REFTABLE_IO_ERROR; goto done; - have_lock = 0; - - err = stack_compact_locked(st, first, last, &temp_tab_file_name, - expiry); - /* Compaction + tombstones can create an empty table out of non-empty - * tables. */ - is_empty_table = (err == REFTABLE_EMPTY_TABLE_ERROR); - if (is_empty_table) { - err = 0; } - if (err < 0) - goto done; - lock_file_fd = - open(lock_file_name.buf, O_EXCL | O_CREAT | O_WRONLY, 0666); - if (lock_file_fd < 0) { - if (errno == EEXIST) { - err = 1; - } else { + /* + * Compact the now-locked tables into a new table. Note that compacting + * these tables may end up with an empty new table in case tombstones + * end up cancelling out all refs in that range. + */ + err = stack_compact_locked(st, first, last, expiry, &new_table); + if (err < 0) { + if (err != REFTABLE_EMPTY_TABLE_ERROR) + goto done; + is_empty_table = 1; + } + + /* + * Now that we have written the new, compacted table we need to re-lock + * "tables.list". We'll then replace the compacted range of tables with + * the new table. + */ + err = hold_lock_file_for_update(&tables_list_lock, st->list_file, + LOCK_NO_DEREF); + if (err < 0) { + if (errno == EEXIST) + err = REFTABLE_LOCK_ERROR; + else err = REFTABLE_IO_ERROR; - } goto done; } - have_lock = 1; + if (st->config.default_permissions) { - if (chmod(lock_file_name.buf, st->config.default_permissions) < 0) { + if (chmod(get_lock_file_path(&tables_list_lock), + st->config.default_permissions) < 0) { err = REFTABLE_IO_ERROR; goto done; } } - format_name(&new_table_name, st->readers[first]->min_update_index, - st->readers[last]->max_update_index); - strbuf_addstr(&new_table_name, ".ref"); - - stack_filename(&new_table_path, st, new_table_name.buf); - + /* + * If the resulting compacted table is not empty, then we need to move + * it into place now. + */ if (!is_empty_table) { - /* retry? */ - err = rename(temp_tab_file_name.buf, new_table_path.buf); + format_name(&new_table_name, st->readers[first]->min_update_index, + st->readers[last]->max_update_index); + strbuf_addstr(&new_table_name, ".ref"); + stack_filename(&new_table_path, st, new_table_name.buf); + + err = rename_tempfile(&new_table, new_table_path.buf); if (err < 0) { err = REFTABLE_IO_ERROR; goto done; } } - for (i = 0; i < first; i++) { - strbuf_addstr(&ref_list_contents, st->readers[i]->name); - strbuf_addstr(&ref_list_contents, "\n"); - } - if (!is_empty_table) { - strbuf_addbuf(&ref_list_contents, &new_table_name); - strbuf_addstr(&ref_list_contents, "\n"); - } - for (i = last + 1; i < st->merged->stack_len; i++) { - strbuf_addstr(&ref_list_contents, st->readers[i]->name); - strbuf_addstr(&ref_list_contents, "\n"); - } - - err = write_in_full(lock_file_fd, ref_list_contents.buf, ref_list_contents.len); - if (err < 0) { - err = REFTABLE_IO_ERROR; - unlink(new_table_path.buf); - goto done; - } - - err = fsync_component(FSYNC_COMPONENT_REFERENCE, lock_file_fd); + /* + * Write the new "tables.list" contents with the compacted table we + * have just written. In case the compacted table became empty we + * simply skip writing it. + */ + for (i = 0; i < first; i++) + strbuf_addf(&tables_list_buf, "%s\n", st->readers[i]->name); + if (!is_empty_table) + strbuf_addf(&tables_list_buf, "%s\n", new_table_name.buf); + for (i = last + 1; i < st->merged->stack_len; i++) + strbuf_addf(&tables_list_buf, "%s\n", st->readers[i]->name); + + err = write_in_full(get_lock_file_fd(&tables_list_lock), + tables_list_buf.buf, tables_list_buf.len); if (err < 0) { err = REFTABLE_IO_ERROR; unlink(new_table_path.buf); goto done; } - err = close(lock_file_fd); - lock_file_fd = -1; + err = fsync_component(FSYNC_COMPONENT_REFERENCE, get_lock_file_fd(&tables_list_lock)); if (err < 0) { err = REFTABLE_IO_ERROR; unlink(new_table_path.buf); goto done; } - err = rename(lock_file_name.buf, st->list_file); + err = commit_lock_file(&tables_list_lock); if (err < 0) { err = REFTABLE_IO_ERROR; unlink(new_table_path.buf); goto done; } - have_lock = 0; - /* Reload the stack before deleting. On windows, we can only delete the - files after we closed them. - */ + /* + * Reload the stack before deleting the compacted tables. We can only + * delete the files after we closed them on Windows, so this needs to + * happen first. + */ err = reftable_stack_reload_maybe_reuse(st, first < last); + if (err < 0) + goto done; - listp = delete_on_success; - while (*listp) { - if (strcmp(*listp, new_table_path.buf)) { - unlink(*listp); - } - listp++; + /* + * Delete the old tables. They may still be in use by concurrent + * readers, so it is expected that unlinking tables may fail. + */ + for (i = first; i <= last; i++) { + struct lock_file *table_lock = &table_locks[i - first]; + char *table_path = get_locked_file_path(table_lock); + unlink(table_path); + free(table_path); } done: - free_names(delete_on_success); + rollback_lock_file(&tables_list_lock); + for (i = first; table_locks && i <= last; i++) + rollback_lock_file(&table_locks[i - first]); + reftable_free(table_locks); - if (subtable_locks) { - listp = subtable_locks; - while (*listp) { - unlink(*listp); - listp++; - } - free_names(subtable_locks); - } - if (lock_file_fd >= 0) { - close(lock_file_fd); - lock_file_fd = -1; - } - if (have_lock) { - unlink(lock_file_name.buf); - } + delete_tempfile(&new_table); strbuf_release(&new_table_name); strbuf_release(&new_table_path); - strbuf_release(&ref_list_contents); - strbuf_release(&temp_tab_file_name); - strbuf_release(&lock_file_name); + + strbuf_release(&tables_list_buf); + strbuf_release(&table_name); return err; } @@ -1204,7 +1206,7 @@ static int stack_compact_range_stats(struct reftable_stack *st, struct reftable_log_expiry_config *config) { int err = stack_compact_range(st, first, last, config); - if (err > 0) + if (err == REFTABLE_LOCK_ERROR) st->stats.failures++; return err; } diff --git a/reftable/stack_test.c b/reftable/stack_test.c index 509f486623..351e35bd86 100644 --- a/reftable/stack_test.c +++ b/reftable/stack_test.c @@ -38,7 +38,17 @@ static int count_dir_entries(const char *dirname) return 0; while ((d = readdir(dir))) { - if (!strcmp(d->d_name, "..") || !strcmp(d->d_name, ".")) + /* + * Besides skipping over "." and "..", we also need to + * skip over other files that have a leading ".". This + * is due to behaviour of NFS, which will rename files + * to ".nfs*" to emulate delete-on-last-close. + * + * In any case this should be fine as the reftable + * library will never write files with leading dots + * anyway. + */ + if (starts_with(d->d_name, ".")) continue; len++; } @@ -232,7 +242,7 @@ static void test_reftable_stack_uptodate(void) EXPECT_ERR(err); err = reftable_stack_add(st2, &write_test_ref, &ref2); - EXPECT(err == REFTABLE_LOCK_ERROR); + EXPECT(err == REFTABLE_OUTDATED_ERROR); err = reftable_stack_reload(st2); EXPECT_ERR(err); @@ -343,6 +353,49 @@ static void test_reftable_stack_transaction_api_performs_auto_compaction(void) clear_dir(dir); } +static void test_reftable_stack_auto_compaction_fails_gracefully(void) +{ + struct reftable_ref_record ref = { + .refname = "refs/heads/master", + .update_index = 1, + .value_type = REFTABLE_REF_VAL1, + .value.val1 = {0x01}, + }; + struct reftable_write_options cfg = {0}; + struct reftable_stack *st; + struct strbuf table_path = STRBUF_INIT; + char *dir = get_tmp_dir(__LINE__); + int err; + + err = reftable_new_stack(&st, dir, cfg); + EXPECT_ERR(err); + + err = reftable_stack_add(st, write_test_ref, &ref); + EXPECT_ERR(err); + EXPECT(st->merged->stack_len == 1); + EXPECT(st->stats.attempts == 0); + EXPECT(st->stats.failures == 0); + + /* + * Lock the newly written table such that it cannot be compacted. + * Adding a new table to the stack should not be impacted by this, even + * though auto-compaction will now fail. + */ + strbuf_addf(&table_path, "%s/%s.lock", dir, st->readers[0]->name); + write_file_buf(table_path.buf, "", 0); + + ref.update_index = 2; + err = reftable_stack_add(st, write_test_ref, &ref); + EXPECT_ERR(err); + EXPECT(st->merged->stack_len == 2); + EXPECT(st->stats.attempts == 1); + EXPECT(st->stats.failures == 1); + + reftable_stack_destroy(st); + strbuf_release(&table_path); + clear_dir(dir); +} + static void test_reftable_stack_validate_refname(void) { struct reftable_write_options cfg = { 0 }; @@ -468,8 +521,6 @@ static void test_reftable_stack_add(void) logs[i].refname = xstrdup(buf); logs[i].update_index = N + i + 1; logs[i].value_type = REFTABLE_LOG_UPDATE; - - logs[i].value.update.new_hash = reftable_malloc(GIT_SHA1_RAWSZ); logs[i].value.update.email = xstrdup("identity@invalid"); set_test_hash(logs[i].value.update.new_hash, i); } @@ -547,16 +598,17 @@ static void test_reftable_stack_log_normalize(void) }; struct reftable_stack *st = NULL; char *dir = get_tmp_dir(__LINE__); - - uint8_t h1[GIT_SHA1_RAWSZ] = { 0x01 }, h2[GIT_SHA1_RAWSZ] = { 0x02 }; - - struct reftable_log_record input = { .refname = "branch", - .update_index = 1, - .value_type = REFTABLE_LOG_UPDATE, - .value = { .update = { - .new_hash = h1, - .old_hash = h2, - } } }; + struct reftable_log_record input = { + .refname = "branch", + .update_index = 1, + .value_type = REFTABLE_LOG_UPDATE, + .value = { + .update = { + .new_hash = { 1 }, + .old_hash = { 2 }, + }, + }, + }; struct reftable_log_record dest = { .update_index = 0, }; @@ -627,8 +679,6 @@ static void test_reftable_stack_tombstone(void) logs[i].update_index = 42; if (i % 2 == 0) { logs[i].value_type = REFTABLE_LOG_UPDATE; - logs[i].value.update.new_hash = - reftable_malloc(GIT_SHA1_RAWSZ); set_test_hash(logs[i].value.update.new_hash, i); logs[i].value.update.email = xstrdup("identity@invalid"); @@ -810,7 +860,6 @@ static void test_reflog_expire(void) logs[i].update_index = i; logs[i].value_type = REFTABLE_LOG_UPDATE; logs[i].value.update.time = i; - logs[i].value.update.new_hash = reftable_malloc(GIT_SHA1_RAWSZ); logs[i].value.update.email = xstrdup("identity@invalid"); set_test_hash(logs[i].value.update.new_hash, i); } @@ -1089,6 +1138,7 @@ int stack_test_main(int argc, const char *argv[]) RUN_TEST(test_reftable_stack_tombstone); RUN_TEST(test_reftable_stack_transaction_api); RUN_TEST(test_reftable_stack_transaction_api_performs_auto_compaction); + RUN_TEST(test_reftable_stack_auto_compaction_fails_gracefully); RUN_TEST(test_reftable_stack_update_index_check); RUN_TEST(test_reftable_stack_uptodate); RUN_TEST(test_reftable_stack_validate_refname); diff --git a/reftable/system.h b/reftable/system.h index 6b74a81514..5d8b6dede5 100644 --- a/reftable/system.h +++ b/reftable/system.h @@ -12,7 +12,9 @@ https://developers.google.com/open-source/licenses/bsd /* This header glues the reftable library to the rest of Git */ #include "git-compat-util.h" +#include "lockfile.h" #include "strbuf.h" +#include "tempfile.h" #include "hash-ll.h" /* hash ID, sizes.*/ #include "dir.h" /* remove_dir_recursively, for tests.*/ diff --git a/remote-curl.c b/remote-curl.c index 1161dc7fed..0b6d7815fd 100644 --- a/remote-curl.c +++ b/remote-curl.c @@ -1,4 +1,5 @@ #include "git-compat-util.h" +#include "git-curl-compat.h" #include "config.h" #include "environment.h" #include "gettext.h" @@ -211,14 +212,9 @@ static int set_option(const char *name, const char *value) options.filter = xstrdup(value); return 0; } else if (!strcmp(name, "object-format")) { - int algo; options.object_format = 1; - if (strcmp(value, "true")) { - algo = hash_algo_by_name(value); - if (algo == GIT_HASH_UNKNOWN) - die("unknown object format '%s'", value); - options.hash_algo = &hash_algos[algo]; - } + if (strcmp(value, "true")) + die(_("unknown value for object-format: %s"), value); return 0; } else { return 1 /* unsupported */; @@ -960,7 +956,9 @@ retry: /* The request body is large and the size cannot be predicted. * We must use chunked encoding to send it. */ +#ifdef GIT_CURL_NEED_TRANSFER_ENCODING_HEADER headers = curl_slist_append(headers, "Transfer-Encoding: chunked"); +#endif rpc->initial_buffer = 1; curl_easy_setopt(slot->curl, CURLOPT_READFUNCTION, rpc_out); curl_easy_setopt(slot->curl, CURLOPT_INFILE, rpc); @@ -2679,7 +2679,7 @@ static int is_reachable_in_reflog(const char *local, const struct ref *remote) if (MERGE_BASES_BATCH_SIZE < size) size = MERGE_BASES_BATCH_SIZE; - if ((ret = repo_in_merge_bases_many(the_repository, commit, size, chunk))) + if ((ret = repo_in_merge_bases_many(the_repository, commit, size, chunk, 0))) break; } diff --git a/repository.c b/repository.c index 7aacb51b65..e15b416944 100644 --- a/repository.c +++ b/repository.c @@ -14,6 +14,7 @@ #include "read-cache-ll.h" #include "remote.h" #include "setup.h" +#include "loose.h" #include "submodule-config.h" #include "sparse-index.h" #include "trace2.h" @@ -104,6 +105,15 @@ void repo_set_hash_algo(struct repository *repo, int hash_algo) repo->hash_algo = &hash_algos[hash_algo]; } +void repo_set_compat_hash_algo(struct repository *repo, int algo) +{ + if (hash_algo_by_ptr(repo->hash_algo) == algo) + BUG("hash_algo and compat_hash_algo match"); + repo->compat_hash_algo = algo ? &hash_algos[algo] : NULL; + if (repo->compat_hash_algo) + repo_read_loose_object_map(repo); +} + void repo_set_ref_storage_format(struct repository *repo, unsigned int format) { repo->ref_storage_format = format; @@ -189,6 +199,7 @@ int repo_init(struct repository *repo, goto error; repo_set_hash_algo(repo, format.hash_algo); + repo_set_compat_hash_algo(repo, format.compat_hash_algo); repo_set_ref_storage_format(repo, format.ref_storage_format); repo->repository_format_worktree_config = format.worktree_config; @@ -199,6 +210,9 @@ int repo_init(struct repository *repo, if (worktree) repo_set_worktree(repo, worktree); + if (repo->compat_hash_algo) + repo_read_loose_object_map(repo); + clear_repository_format(&format); return 0; diff --git a/repository.h b/repository.h index 9bf1e33d25..268436779c 100644 --- a/repository.h +++ b/repository.h @@ -163,6 +163,9 @@ struct repository { /* Repository's current hash algorithm, as serialized on disk. */ const struct git_hash_algo *hash_algo; + /* Repository's compatibility hash algorithm. */ + const struct git_hash_algo *compat_hash_algo; + /* Repository's reference storage format, as serialized on disk. */ unsigned int ref_storage_format; @@ -205,6 +208,7 @@ void repo_set_gitdir(struct repository *repo, const char *root, const struct set_gitdir_args *extra_args); void repo_set_worktree(struct repository *repo, const char *path); void repo_set_hash_algo(struct repository *repo, int algo); +void repo_set_compat_hash_algo(struct repository *repo, int compat_algo); void repo_set_ref_storage_format(struct repository *repo, unsigned int format); void initialize_the_repository(void); RESULT_MUST_BE_USED @@ -157,6 +157,11 @@ int reset_head(struct repository *r, const struct reset_head_opts *opts) } tree = parse_tree_indirect(oid); + if (!tree) { + ret = error(_("unable to read tree (%s)"), oid_to_hex(oid)); + goto leave_reset_head; + } + prime_cache_tree(r, r->index, tree); if (write_locked_index(r->index, &lock, COMMIT_LOCK) < 0) { diff --git a/revision.c b/revision.c index ac45c6d8f2..7e45f765d9 100644 --- a/revision.c +++ b/revision.c @@ -81,7 +81,7 @@ static void mark_tree_contents_uninteresting(struct repository *r, if (parse_tree_gently(tree, 1) < 0) return; - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) { switch (object_type(entry.mode)) { case OBJ_TREE: @@ -188,7 +188,7 @@ static void add_children_by_path(struct repository *r, if (parse_tree_gently(tree, 1) < 0) return; - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) { switch (object_type(entry.mode)) { case OBJ_TREE: @@ -381,13 +381,18 @@ static struct object *get_reference(struct rev_info *revs, const char *name, object = parse_object_with_flags(revs->repo, oid, revs->verify_objects ? 0 : - PARSE_OBJECT_SKIP_HASH_CHECK); + PARSE_OBJECT_SKIP_HASH_CHECK | + PARSE_OBJECT_DISCARD_TREE); if (!object) { if (revs->ignore_missing) - return object; + return NULL; if (revs->exclude_promisor_objects && is_promisor_object(oid)) return NULL; + if (revs->do_not_die_on_missing_objects) { + oidset_insert(&revs->missing_commits, oid); + return NULL; + } die("bad object %s", name); } object->flags |= flags; @@ -415,15 +420,21 @@ static struct commit *handle_commit(struct rev_info *revs, */ while (object->type == OBJ_TAG) { struct tag *tag = (struct tag *) object; + struct object_id *oid; if (revs->tag_objects && !(flags & UNINTERESTING)) add_pending_object(revs, object, tag->tag); - object = parse_object(revs->repo, get_tagged_oid(tag)); + oid = get_tagged_oid(tag); + object = parse_object(revs->repo, oid); if (!object) { if (revs->ignore_missing_links || (flags & UNINTERESTING)) return NULL; if (revs->exclude_promisor_objects && is_promisor_object(&tag->tagged->oid)) return NULL; + if (revs->do_not_die_on_missing_objects && oid) { + oidset_insert(&revs->missing_commits, oid); + return NULL; + } die("bad object %s", oid_to_hex(&tag->tagged->oid)); } object->flags |= flags; @@ -1945,6 +1956,7 @@ void repo_init_revisions(struct repository *r, init_display_notes(&revs->notes_opt); list_objects_filter_init(&revs->filter); init_ref_exclusions(&revs->ref_excludes); + oidset_init(&revs->missing_commits, 0); } static void add_pending_commit_list(struct rev_info *revs, @@ -1959,11 +1971,31 @@ static void add_pending_commit_list(struct rev_info *revs, } } +static const char *lookup_other_head(struct object_id *oid) +{ + int i; + static const char *const other_head[] = { + "MERGE_HEAD", "CHERRY_PICK_HEAD", "REVERT_HEAD", "REBASE_HEAD" + }; + + for (i = 0; i < ARRAY_SIZE(other_head); i++) + if (!read_ref_full(other_head[i], + RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE, + oid, NULL)) { + if (is_null_oid(oid)) + die(_("%s exists but is a symbolic ref"), other_head[i]); + return other_head[i]; + } + + die(_("--merge requires one of the pseudorefs MERGE_HEAD, CHERRY_PICK_HEAD, REVERT_HEAD or REBASE_HEAD")); +} + static void prepare_show_merge(struct rev_info *revs) { - struct commit_list *bases; + struct commit_list *bases = NULL; struct commit *head, *other; struct object_id oid; + const char *other_name; const char **prune = NULL; int i, prune_num = 1; /* counting terminating NULL */ struct index_state *istate = revs->repo->index; @@ -1971,12 +2003,12 @@ static void prepare_show_merge(struct rev_info *revs) if (repo_get_oid(the_repository, "HEAD", &oid)) die("--merge without HEAD?"); head = lookup_commit_or_die(&oid, "HEAD"); - if (repo_get_oid(the_repository, "MERGE_HEAD", &oid)) - die("--merge without MERGE_HEAD?"); - other = lookup_commit_or_die(&oid, "MERGE_HEAD"); + other_name = lookup_other_head(&oid); + other = lookup_commit_or_die(&oid, other_name); add_pending_object(revs, &head->object, "HEAD"); - add_pending_object(revs, &other->object, "MERGE_HEAD"); - bases = repo_get_merge_bases(the_repository, head, other); + add_pending_object(revs, &other->object, other_name); + if (repo_get_merge_bases(the_repository, head, other, &bases) < 0) + exit(128); add_rev_cmdline_list(revs, bases, REV_CMD_MERGE_BASE, UNINTERESTING | BOTTOM); add_pending_commit_list(revs, bases, UNINTERESTING | BOTTOM); free_commit_list(bases); @@ -2064,14 +2096,17 @@ static int handle_dotdot_1(const char *arg, char *dotdot, } else { /* A...B -- find merge bases between the two */ struct commit *a, *b; - struct commit_list *exclude; + struct commit_list *exclude = NULL; a = lookup_commit_reference(revs->repo, &a_obj->oid); b = lookup_commit_reference(revs->repo, &b_obj->oid); if (!a || !b) return dotdot_missing(arg, dotdot, revs, symmetric); - exclude = repo_get_merge_bases(the_repository, a, b); + if (repo_get_merge_bases(the_repository, a, b, &exclude) < 0) { + free_commit_list(exclude); + return -1; + } add_rev_cmdline_list(revs, exclude, REV_CMD_MERGE_BASE, flags_exclude); add_pending_commit_list(revs, exclude, flags_exclude); @@ -2176,13 +2211,18 @@ static int handle_revision_arg_1(const char *arg_, struct rev_info *revs, int fl if (revarg_opt & REVARG_COMMITTISH) get_sha1_flags |= GET_OID_COMMITTISH; + /* + * Even if revs->do_not_die_on_missing_objects is set, we + * should error out if we can't even get an oid, as + * `--missing=print` should be able to report missing oids. + */ if (get_oid_with_context(revs->repo, arg, get_sha1_flags, &oid, &oc)) return revs->ignore_missing ? 0 : -1; if (!cant_be_filename) verify_non_filename(revs->prefix, arg); object = get_reference(revs, arg, &oid, flags ^ local_flags); if (!object) - return revs->ignore_missing ? 0 : -1; + return (revs->ignore_missing || revs->do_not_die_on_missing_objects) ? 0 : -1; add_rev_cmdline(revs, object, arg_, REV_CMD_REV, flags ^ local_flags); add_pending_object_with_path(revs, object, arg, oc.mode, oc.path); free(oc.path); @@ -2318,7 +2358,7 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg } else if (skip_prefix(arg, "--ancestry-path=", &optarg)) { struct commit *c; struct object_id oid; - const char *msg = _("could not get commit for ancestry-path argument %s"); + const char *msg = _("could not get commit for --ancestry-path argument %s"); revs->ancestry_path = 1; revs->simplify_history = 0; @@ -3828,8 +3868,6 @@ int prepare_revision_walk(struct rev_info *revs) FOR_EACH_OBJECT_PROMISOR_ONLY); } - oidset_init(&revs->missing_commits, 0); - if (!revs->reflog_info) prepare_to_use_bloom_filter(revs); if (!revs->unsorted_input) diff --git a/revision.h b/revision.h index 94c43138bc..0e470d1df1 100644 --- a/revision.h +++ b/revision.h @@ -142,6 +142,7 @@ struct rev_info { /* Basic information */ const char *prefix; const char *def; + char *ps_matched; /* optionally record matches of prune_data */ struct pathspec prune_data; /* diff --git a/sequencer.c b/sequencer.c index f49a871ac0..2c19846385 100644 --- a/sequencer.c +++ b/sequencer.c @@ -332,7 +332,7 @@ static int has_conforming_footer(struct strbuf *sb, struct strbuf *sob, sb->buf[sb->len - ignore_footer] = '\0'; } - trailer_info_get(&info, sb->buf, &opts); + trailer_info_get(&opts, sb->buf, &info); if (ignore_footer) sb->buf[sb->len - ignore_footer] = saved_char; @@ -461,13 +461,25 @@ static void free_message(struct commit *commit, struct commit_message *msg) repo_unuse_commit_buffer(the_repository, commit, msg->message); } +const char *rebase_resolvemsg = +N_("Resolve all conflicts manually, mark them as resolved with\n" +"\"git add/rm <conflicted_files>\", then run \"git rebase --continue\".\n" +"You can instead skip this commit: run \"git rebase --skip\".\n" +"To abort and get back to the state before \"git rebase\", run " +"\"git rebase --abort\"."); + static void print_advice(struct repository *r, int show_hint, struct replay_opts *opts) { - char *msg = getenv("GIT_CHERRY_PICK_HELP"); + const char *msg; + + if (is_rebase_i(opts)) + msg = rebase_resolvemsg; + else + msg = getenv("GIT_CHERRY_PICK_HELP"); if (msg) { - advise("%s\n", msg); + advise_if_enabled(ADVICE_MERGE_CONFLICT, "%s", msg); /* * A conflict has occurred but the porcelain * (typically rebase --interactive) wants to take care @@ -480,22 +492,25 @@ static void print_advice(struct repository *r, int show_hint, if (show_hint) { if (opts->no_commit) - advise(_("after resolving the conflicts, mark the corrected paths\n" - "with 'git add <paths>' or 'git rm <paths>'")); + advise_if_enabled(ADVICE_MERGE_CONFLICT, + _("after resolving the conflicts, mark the corrected paths\n" + "with 'git add <paths>' or 'git rm <paths>'")); else if (opts->action == REPLAY_PICK) - advise(_("After resolving the conflicts, mark them with\n" - "\"git add/rm <pathspec>\", then run\n" - "\"git cherry-pick --continue\".\n" - "You can instead skip this commit with \"git cherry-pick --skip\".\n" - "To abort and get back to the state before \"git cherry-pick\",\n" - "run \"git cherry-pick --abort\".")); + advise_if_enabled(ADVICE_MERGE_CONFLICT, + _("After resolving the conflicts, mark them with\n" + "\"git add/rm <pathspec>\", then run\n" + "\"git cherry-pick --continue\".\n" + "You can instead skip this commit with \"git cherry-pick --skip\".\n" + "To abort and get back to the state before \"git cherry-pick\",\n" + "run \"git cherry-pick --abort\".")); else if (opts->action == REPLAY_REVERT) - advise(_("After resolving the conflicts, mark them with\n" - "\"git add/rm <pathspec>\", then run\n" - "\"git revert --continue\".\n" - "You can instead skip this commit with \"git revert --skip\".\n" - "To abort and get back to the state before \"git revert\",\n" - "run \"git revert --abort\".")); + advise_if_enabled(ADVICE_MERGE_CONFLICT, + _("After resolving the conflicts, mark them with\n" + "\"git add/rm <pathspec>\", then run\n" + "\"git revert --continue\".\n" + "You can instead skip this commit with \"git revert --skip\".\n" + "To abort and get back to the state before \"git revert\",\n" + "run \"git revert --abort\".")); else BUG("unexpected pick action in print_advice()"); } @@ -663,15 +678,15 @@ void append_conflicts_hint(struct index_state *istate, if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) { strbuf_addch(msgbuf, '\n'); wt_status_append_cut_line(msgbuf); - strbuf_addch(msgbuf, comment_line_char); + strbuf_addstr(msgbuf, comment_line_str); } strbuf_addch(msgbuf, '\n'); - strbuf_commented_addf(msgbuf, comment_line_char, "Conflicts:\n"); + strbuf_commented_addf(msgbuf, comment_line_str, "Conflicts:\n"); for (i = 0; i < istate->cache_nr;) { const struct cache_entry *ce = istate->cache[i++]; if (ce_stage(ce)) { - strbuf_commented_addf(msgbuf, comment_line_char, + strbuf_commented_addf(msgbuf, comment_line_str, "\t%s\n", ce->name); while (i < istate->cache_nr && !strcmp(ce->name, istate->cache[i]->name)) @@ -707,6 +722,8 @@ static int do_recursive_merge(struct repository *r, o.show_rename_progress = 1; head_tree = parse_tree_indirect(head); + if (!head_tree) + return error(_("unable to read tree (%s)"), oid_to_hex(head)); next_tree = next ? repo_get_commit_tree(r, next) : empty_tree(r); base_tree = base ? repo_get_commit_tree(r, base) : empty_tree(r); @@ -770,29 +787,42 @@ static struct object_id *get_cache_tree_oid(struct index_state *istate) static int is_index_unchanged(struct repository *r) { struct object_id head_oid, *cache_tree_oid; + const struct object_id *head_tree_oid; struct commit *head_commit; struct index_state *istate = r->index; + const char *head_name; + + if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, &head_oid, NULL)) { + /* Check to see if this is an unborn branch */ + head_name = resolve_ref_unsafe("HEAD", + RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE, + &head_oid, NULL); + if (!head_name || + !starts_with(head_name, "refs/heads/") || + !is_null_oid(&head_oid)) + return error(_("could not resolve HEAD commit")); + head_tree_oid = the_hash_algo->empty_tree; + } else { + head_commit = lookup_commit(r, &head_oid); - if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, &head_oid, NULL)) - return error(_("could not resolve HEAD commit")); - - head_commit = lookup_commit(r, &head_oid); + /* + * If head_commit is NULL, check_commit, called from + * lookup_commit, would have indicated that head_commit is not + * a commit object already. repo_parse_commit() will return failure + * without further complaints in such a case. Otherwise, if + * the commit is invalid, repo_parse_commit() will complain. So + * there is nothing for us to say here. Just return failure. + */ + if (repo_parse_commit(r, head_commit)) + return -1; - /* - * If head_commit is NULL, check_commit, called from - * lookup_commit, would have indicated that head_commit is not - * a commit object already. repo_parse_commit() will return failure - * without further complaints in such a case. Otherwise, if - * the commit is invalid, repo_parse_commit() will complain. So - * there is nothing for us to say here. Just return failure. - */ - if (repo_parse_commit(r, head_commit)) - return -1; + head_tree_oid = get_commit_tree_oid(head_commit); + } if (!(cache_tree_oid = get_cache_tree_oid(istate))) return -1; - return oideq(cache_tree_oid, get_commit_tree_oid(head_commit)); + return oideq(cache_tree_oid, head_tree_oid); } static int write_author_script(const char *message) @@ -1152,7 +1182,7 @@ void cleanup_message(struct strbuf *msgbuf, strbuf_setlen(msgbuf, wt_status_locate_end(msgbuf->buf, msgbuf->len)); if (cleanup_mode != COMMIT_MSG_CLEANUP_NONE) strbuf_stripspace(msgbuf, - cleanup_mode == COMMIT_MSG_CLEANUP_ALL ? comment_line_char : '\0'); + cleanup_mode == COMMIT_MSG_CLEANUP_ALL ? comment_line_str : NULL); } /* @@ -1184,7 +1214,7 @@ int template_untouched(const struct strbuf *sb, const char *template_file, return 0; strbuf_stripspace(&tmpl, - cleanup_mode == COMMIT_MSG_CLEANUP_ALL ? comment_line_char : '\0'); + cleanup_mode == COMMIT_MSG_CLEANUP_ALL ? comment_line_str : NULL); if (!skip_prefix(sb->buf, tmpl.buf, &start)) start = sb->buf; strbuf_release(&tmpl); @@ -1557,7 +1587,7 @@ static int try_to_commit(struct repository *r, if (cleanup != COMMIT_MSG_CLEANUP_NONE) strbuf_stripspace(msg, - cleanup == COMMIT_MSG_CLEANUP_ALL ? comment_line_char : '\0'); + cleanup == COMMIT_MSG_CLEANUP_ALL ? comment_line_str : NULL); if ((flags & EDIT_MSG) && message_is_empty(msg, cleanup)) { res = 1; /* run 'git commit' to display error message */ goto out; @@ -1719,34 +1749,25 @@ static int allow_empty(struct repository *r, int index_unchanged, originally_empty; /* - * Four cases: - * - * (1) we do not allow empty at all and error out. + * For a commit that is initially empty, allow_empty determines if it + * should be kept or not * - * (2) we allow ones that were initially empty, and - * just drop the ones that become empty - * - * (3) we allow ones that were initially empty, but - * halt for the ones that become empty; - * - * (4) we allow both. + * For a commit that becomes empty, keep_redundant_commits and + * drop_redundant_commits determine whether the commit should be kept or + * dropped. If neither is specified, halt. */ - if (!opts->allow_empty) - return 0; /* let "git commit" barf as necessary */ - index_unchanged = is_index_unchanged(r); if (index_unchanged < 0) return index_unchanged; if (!index_unchanged) return 0; /* we do not have to say --allow-empty */ - if (opts->keep_redundant_commits) - return 1; - originally_empty = is_original_commit_empty(commit); if (originally_empty < 0) return originally_empty; if (originally_empty) + return opts->allow_empty; + else if (opts->keep_redundant_commits) return 1; else if (opts->drop_redundant_commits) return 2; @@ -1779,6 +1800,8 @@ static const char *command_to_string(const enum todo_command command) { if (command < TODO_COMMENT) return todo_command_info[command].str; + if (command == TODO_COMMENT) + return comment_line_str; die(_("unknown command: %d"), command); } @@ -1786,7 +1809,7 @@ static char command_to_char(const enum todo_command command) { if (command < TODO_COMMENT) return todo_command_info[command].c; - return comment_line_char; + return 0; } static int is_noop(const enum todo_command command) @@ -1840,7 +1863,7 @@ static int is_fixup_flag(enum todo_command command, unsigned flag) static void add_commented_lines(struct strbuf *buf, const void *str, size_t len) { const char *s = str; - while (len > 0 && s[0] == comment_line_char) { + while (starts_with_mem(s, len, comment_line_str)) { size_t count; const char *n = memchr(s, '\n', len); if (!n) @@ -1851,7 +1874,7 @@ static void add_commented_lines(struct strbuf *buf, const void *str, size_t len) s += count; len -= count; } - strbuf_add_commented_lines(buf, s, len, comment_line_char); + strbuf_add_commented_lines(buf, s, len, comment_line_str); } /* Does the current fixup chain contain a squash command? */ @@ -1946,11 +1969,11 @@ static int append_squash_message(struct strbuf *buf, const char *body, (starts_with(body, "squash!") || starts_with(body, "fixup!")))) commented_len = commit_subject_length(body); - strbuf_addf(buf, "\n%c ", comment_line_char); + strbuf_addf(buf, "\n%s ", comment_line_str); strbuf_addf(buf, _(nth_commit_msg_fmt), ++opts->current_fixup_count + 1); strbuf_addstr(buf, "\n\n"); - strbuf_add_commented_lines(buf, body, commented_len, comment_line_char); + strbuf_add_commented_lines(buf, body, commented_len, comment_line_str); /* buf->buf may be reallocated so store an offset into the buffer */ fixup_off = buf->len; strbuf_addstr(buf, body + commented_len); @@ -2003,10 +2026,10 @@ static int update_squash_messages(struct repository *r, return error(_("could not read '%s'"), rebase_path_squash_msg()); - eol = buf.buf[0] != comment_line_char ? + eol = !starts_with(buf.buf, comment_line_str) ? buf.buf : strchrnul(buf.buf, '\n'); - strbuf_addf(&header, "%c ", comment_line_char); + strbuf_addf(&header, "%s ", comment_line_str); strbuf_addf(&header, _(combined_commit_msg_fmt), opts->current_fixup_count + 2); strbuf_splice(&buf, 0, eol - buf.buf, header.buf, header.len); @@ -2032,16 +2055,16 @@ static int update_squash_messages(struct repository *r, repo_unuse_commit_buffer(r, head_commit, head_message); return error(_("cannot write '%s'"), rebase_path_fixup_msg()); } - strbuf_addf(&buf, "%c ", comment_line_char); + strbuf_addf(&buf, "%s ", comment_line_str); strbuf_addf(&buf, _(combined_commit_msg_fmt), 2); - strbuf_addf(&buf, "\n%c ", comment_line_char); + strbuf_addf(&buf, "\n%s ", comment_line_str); strbuf_addstr(&buf, is_fixup_flag(command, flag) ? _(skip_first_commit_msg_str) : _(first_commit_msg_str)); strbuf_addstr(&buf, "\n\n"); if (is_fixup_flag(command, flag)) strbuf_add_commented_lines(&buf, body, strlen(body), - comment_line_char); + comment_line_str); else strbuf_addstr(&buf, body); @@ -2056,12 +2079,12 @@ static int update_squash_messages(struct repository *r, if (command == TODO_SQUASH || is_fixup_flag(command, flag)) { res = append_squash_message(&buf, body, command, opts, flag); } else if (command == TODO_FIXUP) { - strbuf_addf(&buf, "\n%c ", comment_line_char); + strbuf_addf(&buf, "\n%s ", comment_line_str); strbuf_addf(&buf, _(skip_nth_commit_msg_fmt), ++opts->current_fixup_count + 1); strbuf_addstr(&buf, "\n\n"); strbuf_add_commented_lines(&buf, body, strlen(body), - comment_line_char); + comment_line_str); } else return error(_("unknown command: %d"), command); repo_unuse_commit_buffer(r, commit, message); @@ -2562,7 +2585,7 @@ static int parse_insn_line(struct repository *r, struct todo_item *item, /* left-trim */ bol += strspn(bol, " \t"); - if (bol == eol || *bol == '\r' || *bol == comment_line_char) { + if (bol == eol || *bol == '\r' || starts_with_mem(bol, eol - bol, comment_line_str)) { item->command = TODO_COMMENT; item->commit = NULL; item->arg_offset = bol - buf; @@ -2926,6 +2949,9 @@ static int populate_opts_cb(const char *key, const char *value, else if (!strcmp(key, "options.allow-empty-message")) opts->allow_empty_message = git_config_bool_or_int(key, value, ctx->kvi, &error_flag); + else if (!strcmp(key, "options.drop-redundant-commits")) + opts->drop_redundant_commits = + git_config_bool_or_int(key, value, ctx->kvi, &error_flag); else if (!strcmp(key, "options.keep-redundant-commits")) opts->keep_redundant_commits = git_config_bool_or_int(key, value, ctx->kvi, &error_flag); @@ -3460,54 +3486,57 @@ static int save_opts(struct replay_opts *opts) if (opts->no_commit) res |= git_config_set_in_file_gently(opts_file, - "options.no-commit", "true"); + "options.no-commit", NULL, "true"); if (opts->edit >= 0) - res |= git_config_set_in_file_gently(opts_file, "options.edit", + res |= git_config_set_in_file_gently(opts_file, "options.edit", NULL, opts->edit ? "true" : "false"); if (opts->allow_empty) res |= git_config_set_in_file_gently(opts_file, - "options.allow-empty", "true"); + "options.allow-empty", NULL, "true"); if (opts->allow_empty_message) res |= git_config_set_in_file_gently(opts_file, - "options.allow-empty-message", "true"); + "options.allow-empty-message", NULL, "true"); + if (opts->drop_redundant_commits) + res |= git_config_set_in_file_gently(opts_file, + "options.drop-redundant-commits", NULL, "true"); if (opts->keep_redundant_commits) res |= git_config_set_in_file_gently(opts_file, - "options.keep-redundant-commits", "true"); + "options.keep-redundant-commits", NULL, "true"); if (opts->signoff) res |= git_config_set_in_file_gently(opts_file, - "options.signoff", "true"); + "options.signoff", NULL, "true"); if (opts->record_origin) res |= git_config_set_in_file_gently(opts_file, - "options.record-origin", "true"); + "options.record-origin", NULL, "true"); if (opts->allow_ff) res |= git_config_set_in_file_gently(opts_file, - "options.allow-ff", "true"); + "options.allow-ff", NULL, "true"); if (opts->mainline) { struct strbuf buf = STRBUF_INIT; strbuf_addf(&buf, "%d", opts->mainline); res |= git_config_set_in_file_gently(opts_file, - "options.mainline", buf.buf); + "options.mainline", NULL, buf.buf); strbuf_release(&buf); } if (opts->strategy) res |= git_config_set_in_file_gently(opts_file, - "options.strategy", opts->strategy); + "options.strategy", NULL, opts->strategy); if (opts->gpg_sign) res |= git_config_set_in_file_gently(opts_file, - "options.gpg-sign", opts->gpg_sign); + "options.gpg-sign", NULL, opts->gpg_sign); for (size_t i = 0; i < opts->xopts.nr; i++) res |= git_config_set_multivar_in_file_gently(opts_file, "options.strategy-option", - opts->xopts.v[i], "^$", 0); + opts->xopts.v[i], "^$", NULL, 0); if (opts->allow_rerere_auto) res |= git_config_set_in_file_gently(opts_file, - "options.allow-rerere-auto", + "options.allow-rerere-auto", NULL, opts->allow_rerere_auto == RERERE_AUTOUPDATE ? "true" : "false"); if (opts->explicit_cleanup) res |= git_config_set_in_file_gently(opts_file, - "options.default-msg-cleanup", + "options.default-msg-cleanup", NULL, describe_cleanup_mode(opts->default_msg_cleanup)); return res; } @@ -3882,6 +3911,8 @@ static int do_reset(struct repository *r, } tree = parse_tree_indirect(&oid); + if (!tree) + return error(_("unable to read tree (%s)"), oid_to_hex(&oid)); prime_cache_tree(r, r->index, tree); if (write_locked_index(r->index, &lock, COMMIT_LOCK) < 0) @@ -3908,7 +3939,7 @@ static int do_merge(struct repository *r, int run_commit_flags = 0; struct strbuf ref_name = STRBUF_INIT; struct commit *head_commit, *merge_commit, *i; - struct commit_list *bases, *j; + struct commit_list *bases = NULL, *j; struct commit_list *to_merge = NULL, **tail = &to_merge; const char *strategy = !opts->xopts.nr && (!opts->strategy || @@ -4134,7 +4165,11 @@ static int do_merge(struct repository *r, } merge_commit = to_merge->item; - bases = repo_get_merge_bases(r, head_commit, merge_commit); + if (repo_get_merge_bases(r, head_commit, merge_commit, &bases) < 0) { + ret = -1; + goto leave_merge; + } + if (bases && oideq(&merge_commit->object.oid, &bases->item->object.oid)) { ret = 0; @@ -5659,8 +5694,8 @@ static int make_script_with_merges(struct pretty_print_context *pp, oid_to_hex(&commit->object.oid), oneline.buf); if (is_empty) - strbuf_addf(&buf, " %c empty", - comment_line_char); + strbuf_addf(&buf, " %s empty", + comment_line_str); FLEX_ALLOC_STR(entry, string, buf.buf); oidcpy(&entry->entry.oid, &commit->object.oid); @@ -5750,7 +5785,7 @@ static int make_script_with_merges(struct pretty_print_context *pp, entry = oidmap_get(&state.commit2label, &commit->object.oid); if (entry) - strbuf_addf(out, "\n%c Branch %s\n", comment_line_char, entry->string); + strbuf_addf(out, "\n%s Branch %s\n", comment_line_str, entry->string); else strbuf_addch(out, '\n'); @@ -5887,7 +5922,7 @@ int sequencer_make_script(struct repository *r, struct strbuf *out, int argc, oid_to_hex(&commit->object.oid)); pretty_print_commit(&pp, commit, out); if (is_empty) - strbuf_addf(out, " %c empty", comment_line_char); + strbuf_addf(out, " %s empty", comment_line_str); strbuf_addch(out, '\n'); } if (skipped_commit) diff --git a/sequencer.h b/sequencer.h index dcef7bb99c..437eabd38a 100644 --- a/sequencer.h +++ b/sequencer.h @@ -14,6 +14,8 @@ const char *rebase_path_todo(void); const char *rebase_path_todo_backup(void); const char *rebase_path_dropped(void); +extern const char *rebase_resolvemsg; + #define APPEND_SIGNOFF_DEDUP (1u << 0) enum replay_action { @@ -12,6 +12,7 @@ #include "trace2.h" static int advertise_sid = -1; +static int advertise_object_info = -1; static int client_hash_algo = GIT_HASH_SHA1; static int always_advertise(struct repository *r UNUSED, @@ -67,6 +68,17 @@ static void session_id_receive(struct repository *r UNUSED, trace2_data_string("transfer", NULL, "client-sid", client_sid); } +static int object_info_advertise(struct repository *r, struct strbuf *value UNUSED) +{ + if (advertise_object_info == -1 && + repo_config_get_bool(r, "transfer.advertiseobjectinfo", + &advertise_object_info)) { + /* disabled by default */ + advertise_object_info = 0; + } + return advertise_object_info; +} + struct protocol_capability { /* * The name of the capability. The server uses this name when @@ -135,7 +147,7 @@ static struct protocol_capability capabilities[] = { }, { .name = "object-info", - .advertise = always_advertise, + .advertise = object_info_advertise, .command = cap_object_info, }, { @@ -591,6 +591,25 @@ static enum extension_result handle_extension(const char *var, "extensions.objectformat", value); data->hash_algo = format; return EXTENSION_OK; + } else if (!strcmp(ext, "compatobjectformat")) { + struct string_list_item *item; + int format; + + if (!value) + return config_error_nonbool(var); + format = hash_algo_by_name(value); + if (format == GIT_HASH_UNKNOWN) + return error(_("invalid value for '%s': '%s'"), + "extensions.compatobjectformat", value); + /* For now only support compatObjectFormat being specified once. */ + for_each_string_list_item(item, &data->v1_only_extensions) { + if (!strcmp(item->string, "compatobjectformat")) + return error(_("'%s' already specified as '%s'"), + "extensions.compatobjectformat", + hash_algos[data->compat_hash_algo].name); + } + data->compat_hash_algo = format; + return EXTENSION_OK; } else if (!strcmp(ext, "refstorage")) { unsigned int format; @@ -1243,6 +1262,32 @@ static const char *allowed_bare_repo_to_string( return NULL; } +static int is_implicit_bare_repo(const char *path) +{ + /* + * what we found is a ".git" directory at the root of + * the working tree. + */ + if (ends_with_path_components(path, ".git")) + return 1; + + /* + * we are inside $GIT_DIR of a secondary worktree of a + * non-bare repository. + */ + if (strstr(path, "/.git/worktrees/")) + return 1; + + /* + * we are inside $GIT_DIR of a worktree of a non-embedded + * submodule, whose superproject is not a bare repository. + */ + if (strstr(path, "/.git/modules/")) + return 1; + + return 0; +} + /* * We cannot decide in this function whether we are in the work tree or * not, since the config can only be read _after_ this function was called. @@ -1372,7 +1417,7 @@ static enum discovery_result setup_git_directory_gently_1(struct strbuf *dir, if (is_git_directory(dir->buf)) { trace2_data_string("setup", NULL, "implicit-bare-repository", dir->buf); if (get_allowed_bare_repo() == ALLOWED_BARE_REPO_EXPLICIT && - !ends_with_path_components(dir->buf, ".git")) + !is_implicit_bare_repo(dir->buf)) return GIT_DIR_DISALLOWED_BARE; if (!ensure_valid_ownership(NULL, NULL, dir->buf, report)) return GIT_DIR_INVALID_OWNERSHIP; @@ -1577,6 +1622,8 @@ const char *setup_git_directory_gently(int *nongit_ok) } if (startup_info->have_repository) { repo_set_hash_algo(the_repository, repo_fmt.hash_algo); + repo_set_compat_hash_algo(the_repository, + repo_fmt.compat_hash_algo); repo_set_ref_storage_format(the_repository, repo_fmt.ref_storage_format); the_repository->repository_format_worktree_config = @@ -1672,6 +1719,7 @@ void check_repository_format(struct repository_format *fmt) check_repository_format_gently(get_git_dir(), fmt, NULL); startup_info->have_repository = 1; repo_set_hash_algo(the_repository, fmt->hash_algo); + repo_set_compat_hash_algo(the_repository, fmt->compat_hash_algo); repo_set_ref_storage_format(the_repository, fmt->ref_storage_format); the_repository->repository_format_worktree_config = @@ -1889,6 +1937,13 @@ void initialize_repository_version(int hash_algo, char repo_version_string[10]; int repo_version = GIT_REPO_VERSION; + /* + * Note that we initialize the repository version to 1 when the ref + * storage format is unknown. This is on purpose so that we can add the + * correct object format to the config during git-clone(1). The format + * version will get adjusted by git-clone(1) once it has learned about + * the remote repository's format. + */ if (hash_algo != GIT_HASH_SHA1 || ref_storage_format != REF_STORAGE_FORMAT_FILES) repo_version = GIT_REPO_VERSION_READ; @@ -1898,7 +1953,7 @@ void initialize_repository_version(int hash_algo, "%d", repo_version); git_config_set("core.repositoryformatversion", repo_version_string); - if (hash_algo != GIT_HASH_SHA1) + if (hash_algo != GIT_HASH_SHA1 && hash_algo != GIT_HASH_UNKNOWN) git_config_set("extensions.objectformat", hash_algos[hash_algo].name); else if (reinit) @@ -1961,7 +2016,6 @@ void create_reference_database(unsigned int ref_storage_format, static int create_default_files(const char *template_path, const char *original_git_dir, const struct repository_format *fmt, - int prev_bare_repository, int init_shared_repository) { struct stat st1; @@ -1996,34 +2050,8 @@ static int create_default_files(const char *template_path, */ if (init_shared_repository != -1) set_shared_repository(init_shared_repository); - /* - * TODO: heed core.bare from config file in templates if no - * command-line override given - */ - is_bare_repository_cfg = prev_bare_repository || !work_tree; - /* TODO (continued): - * - * Unfortunately, the line above is equivalent to - * is_bare_repository_cfg = !work_tree; - * which ignores the config entirely even if no `--[no-]bare` - * command line option was present. - * - * To see why, note that before this function, there was this call: - * prev_bare_repository = is_bare_repository() - * expanding the right hand side: - * = is_bare_repository_cfg && !get_git_work_tree() - * = is_bare_repository_cfg && !work_tree - * note that the last simplification above is valid because nothing - * calls repo_init() or set_git_work_tree() between any of the - * relevant calls in the code, and thus the !get_git_work_tree() - * calls will return the same result each time. So, what we are - * interested in computing is the right hand side of the line of - * code just above this comment: - * prev_bare_repository || !work_tree - * = is_bare_repository_cfg && !work_tree || !work_tree - * = !work_tree - * because "A && !B || !B == !B" for all boolean values of A & B. - */ + + is_bare_repository_cfg = !work_tree; /* * We would have created the above under user's umask -- under @@ -2175,7 +2203,6 @@ int init_db(const char *git_dir, const char *real_git_dir, int exist_ok = flags & INIT_DB_EXIST_OK; char *original_git_dir = real_pathdup(git_dir, 1); struct repository_format repo_fmt = REPOSITORY_FORMAT_INIT; - int prev_bare_repository; if (real_git_dir) { struct stat st; @@ -2201,7 +2228,6 @@ int init_db(const char *git_dir, const char *real_git_dir, safe_create_dir(git_dir, 0); - prev_bare_repository = is_bare_repository(); /* Check to see if the repository version is right. * Note that a newly created repository does not have @@ -2214,8 +2240,7 @@ int init_db(const char *git_dir, const char *real_git_dir, validate_ref_storage_format(&repo_fmt, ref_storage_format); reinit = create_default_files(template_dir, original_git_dir, - &repo_fmt, prev_bare_repository, - init_shared_repository); + &repo_fmt, init_shared_repository); /* * Now that we have set up both the hash algorithm and the ref storage @@ -115,6 +115,7 @@ struct repository_format { int worktree_config; int is_bare; int hash_algo; + int compat_hash_algo; unsigned int ref_storage_format; int sparse_index; char *work_tree; @@ -794,12 +794,16 @@ static void post_assign_shallow(struct shallow_info *info, if (!*bitmap) continue; for (j = 0; j < bitmap_nr; j++) - if (bitmap[0][j] && - /* Step 7, reachability test at commit level */ - !repo_in_merge_bases_many(the_repository, c, ca.nr, ca.commits)) { - update_refstatus(ref_status, info->ref->nr, *bitmap); - dst++; - break; + if (bitmap[0][j]) { + /* Step 7, reachability test at commit level */ + int ret = repo_in_merge_bases_many(the_repository, c, ca.nr, ca.commits, 1); + if (ret < 0) + exit(128); + if (!ret) { + update_refstatus(ref_status, info->ref->nr, *bitmap); + dst++; + break; + } } } info->nr_ours = dst; @@ -827,7 +831,10 @@ int delayed_reachability_test(struct shallow_info *si, int c) si->reachable[c] = repo_in_merge_bases_many(the_repository, commit, si->nr_commits, - si->commits); + si->commits, + 1); + if (si->reachable[c] < 0) + exit(128); si->need_reachability_test[c] = 0; } return si->reachable[c]; diff --git a/sideband.c b/sideband.c index 266a67342b..5d8907151f 100644 --- a/sideband.c +++ b/sideband.c @@ -220,7 +220,7 @@ int demultiplex_sideband(const char *me, int status, } strbuf_addch(scratch, *brk); - xwrite(2, scratch->buf, scratch->len); + write_in_full(2, scratch->buf, scratch->len); strbuf_reset(scratch); b = brk + 1; @@ -247,7 +247,7 @@ cleanup: die("%s", scratch->buf); if (scratch->len) { strbuf_addch(scratch, '\n'); - xwrite(2, scratch->buf, scratch->len); + write_in_full(2, scratch->buf, scratch->len); } strbuf_release(scratch); return 1; @@ -24,6 +24,17 @@ int istarts_with(const char *str, const char *prefix) return 0; } +int starts_with_mem(const char *str, size_t len, const char *prefix) +{ + const char *end = str + len; + for (; ; str++, prefix++) { + if (!*prefix) + return 1; + else if (str == end || *str != *prefix) + return 0; + } +} + int skip_to_optional_arg_default(const char *str, const char *prefix, const char **arg, const char *def) { @@ -340,18 +351,17 @@ void strbuf_addf(struct strbuf *sb, const char *fmt, ...) } static void add_lines(struct strbuf *out, - const char *prefix1, - const char *prefix2, - const char *buf, size_t size) + const char *prefix, + const char *buf, size_t size, + int space_after_prefix) { while (size) { - const char *prefix; const char *next = memchr(buf, '\n', size); next = next ? (next + 1) : (buf + size); - prefix = ((prefix2 && (buf[0] == '\n' || buf[0] == '\t')) - ? prefix2 : prefix1); strbuf_addstr(out, prefix); + if (space_after_prefix && buf[0] != '\n' && buf[0] != '\t') + strbuf_addch(out, ' '); strbuf_add(out, buf, next - buf); size -= next - buf; buf = next; @@ -360,19 +370,12 @@ static void add_lines(struct strbuf *out, } void strbuf_add_commented_lines(struct strbuf *out, const char *buf, - size_t size, char comment_line_char) + size_t size, const char *comment_prefix) { - static char prefix1[3]; - static char prefix2[2]; - - if (prefix1[0] != comment_line_char) { - xsnprintf(prefix1, sizeof(prefix1), "%c ", comment_line_char); - xsnprintf(prefix2, sizeof(prefix2), "%c", comment_line_char); - } - add_lines(out, prefix1, prefix2, buf, size); + add_lines(out, comment_prefix, buf, size, 1); } -void strbuf_commented_addf(struct strbuf *sb, char comment_line_char, +void strbuf_commented_addf(struct strbuf *sb, const char *comment_prefix, const char *fmt, ...) { va_list params; @@ -383,7 +386,7 @@ void strbuf_commented_addf(struct strbuf *sb, char comment_line_char, strbuf_vaddf(&buf, fmt, params); va_end(params); - strbuf_add_commented_lines(sb, buf.buf, buf.len, comment_line_char); + strbuf_add_commented_lines(sb, buf.buf, buf.len, comment_prefix); if (incomplete_line) sb->buf[--sb->len] = '\0'; @@ -442,6 +445,26 @@ size_t strbuf_expand_literal(struct strbuf *sb, const char *placeholder) return 0; } +void strbuf_expand_bad_format(const char *format, const char *command) +{ + const char *end; + + if (*format != '(') + /* TRANSLATORS: The first %s is a command like "ls-tree". */ + die(_("bad %s format: element '%s' does not start with '('"), + command, format); + + end = strchr(format + 1, ')'); + if (!end) + /* TRANSLATORS: The first %s is a command like "ls-tree". */ + die(_("bad %s format: element '%s' does not end in ')'"), + command, format); + + /* TRANSLATORS: %s is a command like "ls-tree". */ + die(_("bad %s format: %%%.*s"), + command, (int)(end - format + 1), format); +} + void strbuf_addbuf_percentquote(struct strbuf *dst, const struct strbuf *src) { size_t i, len = src->len; @@ -750,7 +773,7 @@ ssize_t strbuf_read_file(struct strbuf *sb, const char *path, size_t hint) void strbuf_add_lines(struct strbuf *out, const char *prefix, const char *buf, size_t size) { - add_lines(out, prefix, NULL, buf, size); + add_lines(out, prefix, buf, size, 0); } void strbuf_addstr_xml_quoted(struct strbuf *buf, const char *s) @@ -1005,10 +1028,10 @@ static size_t cleanup(char *line, size_t len) * * If last line does not have a newline at the end, one is added. * - * Pass a non-NUL comment_line_char to skip every line starting + * Pass a non-NULL comment_prefix to skip every line starting * with it. */ -void strbuf_stripspace(struct strbuf *sb, char comment_line_char) +void strbuf_stripspace(struct strbuf *sb, const char *comment_prefix) { size_t empties = 0; size_t i, j, len, newlen; @@ -1021,8 +1044,8 @@ void strbuf_stripspace(struct strbuf *sb, char comment_line_char) eol = memchr(sb->buf + i, '\n', sb->len - i); len = eol ? eol - (sb->buf + i) + 1 : sb->len - i; - if (comment_line_char && len && - sb->buf[i] == comment_line_char) { + if (comment_prefix && len && + starts_with(sb->buf + i, comment_prefix)) { newlen = 0; continue; } @@ -288,7 +288,7 @@ void strbuf_splice(struct strbuf *sb, size_t pos, size_t len, */ void strbuf_add_commented_lines(struct strbuf *out, const char *buf, size_t size, - char comment_line_char); + const char *comment_prefix); /** @@ -338,6 +338,11 @@ size_t strbuf_expand_literal(struct strbuf *sb, const char *placeholder); int strbuf_expand_step(struct strbuf *sb, const char **formatp); /** + * Used with `strbuf_expand_step` to report unknown placeholders. + */ +void strbuf_expand_bad_format(const char *format, const char *command); + +/** * Append the contents of one strbuf to another, quoting any * percent signs ("%") into double-percents ("%%") in the * destination. This is useful for literal data to be fed to either @@ -379,7 +384,7 @@ void strbuf_addf(struct strbuf *sb, const char *fmt, ...); * blank to the buffer. */ __attribute__((format (printf, 3, 4))) -void strbuf_commented_addf(struct strbuf *sb, char comment_line_char, const char *fmt, ...); +void strbuf_commented_addf(struct strbuf *sb, const char *comment_prefix, const char *fmt, ...); __attribute__((format (printf,2,0))) void strbuf_vaddf(struct strbuf *sb, const char *fmt, va_list ap); @@ -513,11 +518,11 @@ int strbuf_getcwd(struct strbuf *sb); int strbuf_normalize_path(struct strbuf *sb); /** - * Strip whitespace from a buffer. If comment_line_char is non-NUL, + * Strip whitespace from a buffer. If comment_prefix is non-NULL, * then lines beginning with that character are considered comments, * thus removed. */ -void strbuf_stripspace(struct strbuf *buf, char comment_line_char); +void strbuf_stripspace(struct strbuf *buf, const char *comment_prefix); static inline int strbuf_strip_suffix(struct strbuf *sb, const char *suffix) { @@ -673,6 +678,7 @@ char *xstrfmt(const char *fmt, ...); int starts_with(const char *str, const char *prefix); int istarts_with(const char *str, const char *prefix); +int starts_with_mem(const char *str, size_t len, const char *prefix); /* * If the string "str" is the same as the string in "prefix", then the "arg" diff --git a/submodule-config.c b/submodule-config.c index 54130f6a38..11428b4ada 100644 --- a/submodule-config.c +++ b/submodule-config.c @@ -978,7 +978,7 @@ int config_set_in_gitmodules_file_gently(const char *key, const char *value) { int ret; - ret = git_config_set_in_file_gently(GITMODULES_FILE, key, value); + ret = git_config_set_in_file_gently(GITMODULES_FILE, key, NULL, value); if (ret < 0) /* Maybe the user already did that, don't error out here */ warning(_("Could not update .gitmodules entry %s"), key); diff --git a/submodule.c b/submodule.c index 40f13a3685..ce2d032521 100644 --- a/submodule.c +++ b/submodule.c @@ -592,7 +592,12 @@ static void show_submodule_header(struct diff_options *o, (!is_null_oid(two) && !*right)) message = "(commits not present)"; - *merge_bases = repo_get_merge_bases(sub, *left, *right); + *merge_bases = NULL; + if (repo_get_merge_bases(sub, *left, *right, merge_bases) < 0) { + message = "(corrupt repository)"; + goto output_header; + } + if (*merge_bases) { if ((*merge_bases)->item == *left) fast_forward = 1; @@ -2041,7 +2046,7 @@ void submodule_unset_core_worktree(const struct submodule *sub) submodule_name_to_gitdir(&config_path, the_repository, sub->name); strbuf_addstr(&config_path, "/config"); - if (git_config_set_in_file_gently(config_path.buf, "core.worktree", NULL)) + if (git_config_set_in_file_gently(config_path.buf, "core.worktree", NULL, NULL)) warning(_("Could not unset core.worktree setting in submodule '%s'"), sub->path); @@ -32,6 +32,13 @@ the tests. ok 2 - plain with GIT_WORK_TREE ok 3 - plain bare +t/Makefile defines a target for each test file, such that you can also use +shell pattern matching to run a subset of the tests: + + make *checkout* + +will run all tests with 'checkout' in their filename. + Since the tests all output TAP (see https://testanything.org) they can be run with any TAP harness. Here's an example of parallel testing powered by a recent version of prove(1): @@ -724,6 +731,26 @@ The "do's:" Note that we still &&-chain the loop to propagate failures from earlier commands. + - Repeat tests with slightly different arguments in a loop. + + In some cases it may make sense to re-run the same set of tests with + different options or commands to ensure that the command behaves + despite the different parameters. This can be achieved by looping + around a specific parameter: + + for arg in '' "--foo" + do + test_expect_success "test command ${arg:-without arguments}" ' + command $arg + ' + done + + Note that while the test title uses double quotes ("), the test body + should continue to use single quotes (') to avoid breakage in case the + values contain e.g. quoting characters. The loop variable will be + accessible regardless of the single quotes as the test body is passed + to `eval`. + And here are the "don'ts:" diff --git a/t/annotate-tests.sh b/t/annotate-tests.sh index 5e21e84f38..87572459e4 100644 --- a/t/annotate-tests.sh +++ b/t/annotate-tests.sh @@ -532,7 +532,7 @@ test_expect_success 'blame -L :funcname with userdiff driver' ' "$(cat file.template)" && test_commit --author "B <B@test.git>" \ "change" "$fortran_file" \ - "$(cat file.template | sed -e s/ChangeMe/IWasChanged/)" && + "$(sed -e s/ChangeMe/IWasChanged/ file.template)" && check_count -f "$fortran_file" -L:RIGHT A 3 B 1 ' diff --git a/t/check-non-portable-shell.pl b/t/check-non-portable-shell.pl index dd8107cd7d..b2b28c2ced 100755 --- a/t/check-non-portable-shell.pl +++ b/t/check-non-portable-shell.pl @@ -47,6 +47,8 @@ while (<>) { /\bgrep\b.*--file\b/ and err 'grep --file FILE is not portable (use grep -f FILE)'; /\b[ef]grep\b/ and err 'egrep/fgrep obsolescent (use grep -E/-F)'; /\bexport\s+[A-Za-z0-9_]*=/ and err '"export FOO=bar" is not portable (use FOO=bar && export FOO)'; + /\blocal\s+[A-Za-z0-9_]*=\$([A-Za-z0-9_{]|[(][^(])/ and + err q(quote "$val" in 'local var=$val'); /^\s*([A-Z0-9_]+=(\w*|(["']).*?\3)\s+)+(\w+)/ and exists($func{$4}) and err '"FOO=bar shell_func" assignment extends beyond "shell_func"'; $line = ''; diff --git a/t/helper/test-delete-gpgsig.c b/t/helper/test-delete-gpgsig.c new file mode 100644 index 0000000000..e36831af03 --- /dev/null +++ b/t/helper/test-delete-gpgsig.c @@ -0,0 +1,62 @@ +#include "test-tool.h" +#include "gpg-interface.h" +#include "strbuf.h" + + +int cmd__delete_gpgsig(int argc, const char **argv) +{ + struct strbuf buf = STRBUF_INIT; + const char *pattern = "gpgsig"; + const char *bufptr, *tail, *eol; + int deleting = 0; + size_t plen; + + if (argc >= 2) { + pattern = argv[1]; + argv++; + argc--; + } + + plen = strlen(pattern); + strbuf_read(&buf, 0, 0); + + if (!strcmp(pattern, "trailer")) { + size_t payload_size = parse_signed_buffer(buf.buf, buf.len); + fwrite(buf.buf, 1, payload_size, stdout); + fflush(stdout); + return 0; + } + + bufptr = buf.buf; + tail = bufptr + buf.len; + + while (bufptr < tail) { + /* Find the end of the line */ + eol = memchr(bufptr, '\n', tail - bufptr); + if (!eol) + eol = tail; + + /* Drop continuation lines */ + if (deleting && (bufptr < eol) && (bufptr[0] == ' ')) { + bufptr = eol + 1; + continue; + } + deleting = 0; + + /* Does the line match the prefix? */ + if (((bufptr + plen) < eol) && + !memcmp(bufptr, pattern, plen) && + (bufptr[plen] == ' ')) { + deleting = 1; + bufptr = eol + 1; + continue; + } + + /* Print all other lines */ + fwrite(bufptr, 1, (eol - bufptr) + 1, stdout); + bufptr = eol + 1; + } + fflush(stdout); + + return 0; +} diff --git a/t/helper/test-reach.c b/t/helper/test-reach.c index 1e159a754d..1e3b431e3e 100644 --- a/t/helper/test-reach.c +++ b/t/helper/test-reach.c @@ -111,13 +111,16 @@ int cmd__reach(int ac, const char **av) repo_in_merge_bases(the_repository, A, B)); else if (!strcmp(av[1], "in_merge_bases_many")) printf("%s(A,X):%d\n", av[1], - repo_in_merge_bases_many(the_repository, A, X_nr, X_array)); + repo_in_merge_bases_many(the_repository, A, X_nr, X_array, 0)); else if (!strcmp(av[1], "is_descendant_of")) printf("%s(A,X):%d\n", av[1], repo_is_descendant_of(r, A, X)); else if (!strcmp(av[1], "get_merge_bases_many")) { - struct commit_list *list = repo_get_merge_bases_many(the_repository, - A, X_nr, - X_array); + struct commit_list *list = NULL; + if (repo_get_merge_bases_many(the_repository, + A, X_nr, + X_array, + &list) < 0) + exit(128); printf("%s(A,X):\n", av[1]); print_sorted_commit_ids(list); } else if (!strcmp(av[1], "reduce_heads")) { diff --git a/t/helper/test-ref-store.c b/t/helper/test-ref-store.c index 7a0f6cac53..82bbf6e2e6 100644 --- a/t/helper/test-ref-store.c +++ b/t/helper/test-ref-store.c @@ -112,25 +112,6 @@ static const char **get_store(const char **argv, struct ref_store **refs) return argv + 1; } -static struct flag_definition pack_flags[] = { FLAG_DEF(PACK_REFS_PRUNE), - FLAG_DEF(PACK_REFS_ALL), - { NULL, 0 } }; - -static int cmd_pack_refs(struct ref_store *refs, const char **argv) -{ - unsigned int flags = arg_flags(*argv++, "flags", pack_flags); - static struct ref_exclusions exclusions = REF_EXCLUSIONS_INIT; - static struct string_list included_refs = STRING_LIST_INIT_NODUP; - struct pack_refs_opts pack_opts = { .flags = flags, - .exclusions = &exclusions, - .includes = &included_refs }; - - if (pack_opts.flags & PACK_REFS_ALL) - string_list_append(pack_opts.includes, "*"); - - return refs_pack_refs(refs, &pack_opts); -} - static int cmd_create_symref(struct ref_store *refs, const char **argv) { const char *refname = notnull(*argv++, "refname"); @@ -326,7 +307,6 @@ struct command { }; static struct command commands[] = { - { "pack-refs", cmd_pack_refs }, { "create-symref", cmd_create_symref }, { "delete-refs", cmd_delete_refs }, { "rename-ref", cmd_rename_ref }, diff --git a/t/helper/test-tool.c b/t/helper/test-tool.c index 482a1e58a4..80a946b847 100644 --- a/t/helper/test-tool.c +++ b/t/helper/test-tool.c @@ -20,6 +20,7 @@ static struct test_cmd cmds[] = { { "crontab", cmd__crontab }, { "csprng", cmd__csprng }, { "date", cmd__date }, + { "delete-gpgsig", cmd__delete_gpgsig }, { "delta", cmd__delta }, { "dir-iterator", cmd__dir_iterator }, { "drop-caches", cmd__drop_caches }, diff --git a/t/helper/test-tool.h b/t/helper/test-tool.h index b1be7cfcf5..2808b92419 100644 --- a/t/helper/test-tool.h +++ b/t/helper/test-tool.h @@ -14,6 +14,7 @@ int cmd__crontab(int argc, const char **argv); int cmd__csprng(int argc, const char **argv); int cmd__date(int argc, const char **argv); int cmd__delta(int argc, const char **argv); +int cmd__delete_gpgsig(int argc, const char **argv); int cmd__dir_iterator(int argc, const char **argv); int cmd__drop_caches(int argc, const char **argv); int cmd__dump_cache_tree(int argc, const char **argv); diff --git a/t/lib-cvs.sh b/t/lib-cvs.sh index 32b3473379..57b9b2db9b 100644 --- a/t/lib-cvs.sh +++ b/t/lib-cvs.sh @@ -71,8 +71,8 @@ test_cmp_branch_tree () { find . -type d -name .git -prune -o -type f -print ) | sort >module-git-"$1".list && test_cmp module-cvs-"$1".list module-git-"$1".list && - cat module-cvs-"$1".list | while read f + while read f do test_cmp_branch_file "$1" "$f" || return 1 - done + done <module-cvs-"$1".list } diff --git a/t/lib-parallel-checkout.sh b/t/lib-parallel-checkout.sh index acaee9cbb6..8324d6c96d 100644 --- a/t/lib-parallel-checkout.sh +++ b/t/lib-parallel-checkout.sh @@ -20,7 +20,7 @@ test_checkout_workers () { BUG "too few arguments to test_checkout_workers" fi && - local expected_workers=$1 && + local expected_workers="$1" && shift && local trace_file=trace-test-checkout-workers && diff --git a/t/oid-info/hash-info b/t/oid-info/hash-info index d0736dd1a0..b8a5bcb187 100644 --- a/t/oid-info/hash-info +++ b/t/oid-info/hash-info @@ -15,3 +15,15 @@ empty_blob sha256:473a0f4c3be8a93681a267e3b1e9a7dcda1185436fe141f7749120a3037218 empty_tree sha1:4b825dc642cb6eb9a060e54bf8d69288fbee4904 empty_tree sha256:6ef19b41225c5369f1c104d45d8d85efa9b057b53b14b4b9b939dd74decc5321 + +blob17_1 sha1:263 +blob17_1 sha256:34 + +blob17_2 sha1:410 +blob17_2 sha256:174 + +blob17_3 sha1:523 +blob17_3 sha256:313 + +blob17_4 sha1:790 +blob17_4 sha256:481 diff --git a/t/perf/repos/inflate-repo.sh b/t/perf/repos/inflate-repo.sh index fcfc992b5b..412e4b450b 100755 --- a/t/perf/repos/inflate-repo.sh +++ b/t/perf/repos/inflate-repo.sh @@ -33,7 +33,7 @@ do done git ls-tree -r HEAD >GEN_src_list -nr_src_files=$(cat GEN_src_list | wc -l) +nr_src_files=$(wc -l <GEN_src_list) src_branch=$(git symbolic-ref --short HEAD) diff --git a/t/t0002-gitfile.sh b/t/t0002-gitfile.sh index 736516cc6a..bf3bf604ab 100755 --- a/t/t0002-gitfile.sh +++ b/t/t0002-gitfile.sh @@ -40,7 +40,7 @@ test_expect_success 'final setup + check rev-parse --git-dir' ' test_expect_success 'check hash-object' ' echo "foo" >bar && - SHA=$(cat bar | git hash-object -w --stdin) && + SHA=$(git hash-object -w --stdin <bar) && test_path_is_file "$REAL/objects/$(objpath $SHA)" ' diff --git a/t/t0006-date.sh b/t/t0006-date.sh index e18b160286..3031256d14 100755 --- a/t/t0006-date.sh +++ b/t/t0006-date.sh @@ -46,6 +46,7 @@ check_show () { TIME='1466000000 +0200' check_show iso8601 "$TIME" '2016-06-15 16:13:20 +0200' check_show iso8601-strict "$TIME" '2016-06-15T16:13:20+02:00' +check_show iso8601-strict "$(echo "$TIME" | sed 's/+0200$/+0000/')" '2016-06-15T14:13:20Z' check_show rfc2822 "$TIME" 'Wed, 15 Jun 2016 16:13:20 +0200' check_show short "$TIME" '2016-06-15' check_show default "$TIME" 'Wed Jun 15 16:13:20 2016 +0200' @@ -69,6 +70,14 @@ check_show 'format:%s' '123456789 +1234' 123456789 check_show 'format:%s' '123456789 -1234' 123456789 check_show 'format-local:%s' '123456789 -1234' 123456789 +# negative TZ offset +TIME='1466000000 -0200' +check_show iso8601 "$TIME" '2016-06-15 12:13:20 -0200' +check_show iso8601-strict "$TIME" '2016-06-15T12:13:20-02:00' +check_show rfc2822 "$TIME" 'Wed, 15 Jun 2016 12:13:20 -0200' +check_show default "$TIME" 'Wed Jun 15 12:13:20 2016 -0200' +check_show raw "$TIME" '1466000000 -0200' + # arbitrary time absurdly far in the future FUTURE="5758122296 -0400" check_show iso "$FUTURE" "2152-06-19 18:24:56 -0400" TIME_IS_64BIT,TIME_T_IS_64BIT diff --git a/t/t0010-racy-git.sh b/t/t0010-racy-git.sh index 837c8b7228..84172a3739 100755 --- a/t/t0010-racy-git.sh +++ b/t/t0010-racy-git.sh @@ -10,25 +10,24 @@ TEST_PASSES_SANITIZE_LEAK=true for trial in 0 1 2 3 4 do - rm -f .git/index - echo frotz >infocom - git update-index --add infocom - echo xyzzy >infocom - - files=$(git diff-files -p) - test_expect_success \ - "Racy GIT trial #$trial part A" \ - 'test "" != "$files"' - + test_expect_success "Racy git trial #$trial part A" ' + rm -f .git/index && + echo frotz >infocom && + git update-index --add infocom && + echo xyzzy >infocom && + + git diff-files -p >out && + test_file_not_empty out + ' sleep 1 - echo xyzzy >cornerstone - git update-index --add cornerstone - files=$(git diff-files -p) - test_expect_success \ - "Racy GIT trial #$trial part B" \ - 'test "" != "$files"' + test_expect_success "Racy git trial #$trial part B" ' + echo xyzzy >cornerstone && + git update-index --add cornerstone && + git diff-files -p >out && + test_file_not_empty out + ' done test_done diff --git a/t/t0011-hashmap.sh b/t/t0011-hashmap.sh index 1cb6aa6824..46e74ad107 100755 --- a/t/t0011-hashmap.sh +++ b/t/t0011-hashmap.sh @@ -239,7 +239,7 @@ test_expect_success 'grow / shrink' ' echo value40 >> expect && echo size >> in && echo 64 39 >> expect && - cat in | test-tool hashmap > out && + test-tool hashmap <in >out && test_cmp expect out ' diff --git a/t/t0028-working-tree-encoding.sh b/t/t0028-working-tree-encoding.sh index 1b55f59c23..ad151a3467 100755 --- a/t/t0028-working-tree-encoding.sh +++ b/t/t0028-working-tree-encoding.sh @@ -131,8 +131,8 @@ do test_when_finished "rm -f crlf.utf${i}.raw lf.utf${i}.raw" && test_when_finished "git reset --hard HEAD^" && - cat lf.utf8.raw | write_utf${i} >lf.utf${i}.raw && - cat crlf.utf8.raw | write_utf${i} >crlf.utf${i}.raw && + write_utf${i} <lf.utf8.raw >lf.utf${i}.raw && + write_utf${i} <crlf.utf8.raw >crlf.utf${i}.raw && cp crlf.utf${i}.raw eol.utf${i} && cat >expectIndexLF <<-EOF && diff --git a/t/t0030-stripspace.sh b/t/t0030-stripspace.sh index d1b3be8725..f10f42ff1e 100755 --- a/t/t0030-stripspace.sh +++ b/t/t0030-stripspace.sh @@ -401,6 +401,21 @@ test_expect_success 'strip comments with changed comment char' ' test -z "$(echo "; comment" | git -c core.commentchar=";" stripspace -s)" ' +test_expect_success 'strip comments with changed comment string' ' + test ! -z "$(echo "// comment" | git -c core.commentchar=// stripspace)" && + test -z "$(echo "// comment" | git -c core.commentchar="//" stripspace -s)" +' + +test_expect_success 'newline as commentchar is forbidden' ' + test_must_fail git -c core.commentChar="$LF" stripspace -s 2>err && + grep "core.commentchar cannot contain newline" err +' + +test_expect_success 'empty commentchar is forbidden' ' + test_must_fail git -c core.commentchar= stripspace -s 2>err && + grep "core.commentchar must have at least one character" err +' + test_expect_success '-c with single line' ' printf "# foo\n" >expect && printf "foo" | git stripspace -c >actual && diff --git a/t/t0035-safe-bare-repository.sh b/t/t0035-safe-bare-repository.sh index 8048856379..d3cb2a1cb9 100755 --- a/t/t0035-safe-bare-repository.sh +++ b/t/t0035-safe-bare-repository.sh @@ -29,9 +29,20 @@ expect_rejected () { grep -F "implicit-bare-repository:$pwd" "$pwd/trace.perf" } -test_expect_success 'setup bare repo in worktree' ' +test_expect_success 'setup an embedded bare repo, secondary worktree and submodule' ' git init outer-repo && - git init --bare outer-repo/bare-repo + git init --bare --initial-branch=main outer-repo/bare-repo && + git -C outer-repo worktree add ../outer-secondary && + test_path_is_dir outer-secondary && + ( + cd outer-repo && + test_commit A && + git push bare-repo +HEAD:refs/heads/main && + git -c protocol.file.allow=always \ + submodule add --name subn -- ./bare-repo subd + ) && + test_path_is_dir outer-repo/.git/worktrees/outer-secondary && + test_path_is_dir outer-repo/.git/modules/subn ' test_expect_success 'safe.bareRepository unset' ' @@ -53,8 +64,7 @@ test_expect_success 'safe.bareRepository in the repository' ' # safe.bareRepository must not be "explicit", otherwise # git config fails with "fatal: not in a git directory" (like # safe.directory) - test_config -C outer-repo/bare-repo safe.bareRepository \ - all && + test_config -C outer-repo/bare-repo safe.bareRepository all && test_config_global safe.bareRepository explicit && expect_rejected -C outer-repo/bare-repo ' @@ -86,4 +96,12 @@ test_expect_success 'no trace when "bare repository" is a subdir of .git' ' expect_accepted_implicit -C outer-repo/.git/objects ' +test_expect_success 'no trace in $GIT_DIR of secondary worktree' ' + expect_accepted_implicit -C outer-repo/.git/worktrees/outer-secondary +' + +test_expect_success 'no trace in $GIT_DIR of a submodule' ' + expect_accepted_implicit -C outer-repo/.git/modules/subn +' + test_done diff --git a/t/t0040-parse-options.sh b/t/t0040-parse-options.sh index ec974867e4..8bb2a8b453 100755 --- a/t/t0040-parse-options.sh +++ b/t/t0040-parse-options.sh @@ -210,6 +210,22 @@ test_expect_success 'superfluous value provided: boolean' ' test_cmp expect actual ' +test_expect_success 'superfluous value provided: boolean, abbreviated' ' + cat >expect <<-\EOF && + error: option `yes'\'' takes no value + EOF + test_expect_code 129 env GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS=false \ + test-tool parse-options --ye=hi 2>actual && + test_cmp expect actual && + + cat >expect <<-\EOF && + error: option `no-yes'\'' takes no value + EOF + test_expect_code 129 env GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS=false \ + test-tool parse-options --no-ye=hi 2>actual && + test_cmp expect actual +' + test_expect_success 'superfluous value provided: cmdmode' ' cat >expect <<-\EOF && error: option `mode1'\'' takes no value diff --git a/t/t0204-gettext-reencode-sanity.sh b/t/t0204-gettext-reencode-sanity.sh index 4f2e0dcb02..310a450012 100755 --- a/t/t0204-gettext-reencode-sanity.sh +++ b/t/t0204-gettext-reencode-sanity.sh @@ -82,7 +82,7 @@ test_expect_success GETTEXT_ISO_LOCALE 'gettext.c: git init UTF-8 -> ISO-8859-1' printf "Bjó til tóma Git lind" >expect && LANGUAGE=is LC_ALL="$is_IS_iso_locale" git init repo >actual && test_when_finished "rm -rf repo" && - grep "^$(cat expect | iconv -f UTF-8 -t ISO8859-1) " actual + grep "^$(iconv -f UTF-8 -t ISO8859-1 <expect) " actual ' test_done diff --git a/t/t0211-trace2-perf.sh b/t/t0211-trace2-perf.sh index 290b6eaaab..13ef69b92f 100755 --- a/t/t0211-trace2-perf.sh +++ b/t/t0211-trace2-perf.sh @@ -287,4 +287,235 @@ test_expect_success 'unsafe URLs are redacted by default' ' grep "d0|main|def_param|.*|remote.origin.url:https://user:pwd@example.com" actual ' +# Confirm that the requested command produces a "cmd_name" and a +# set of "def_param" events. +# +try_simple () { + test_when_finished "rm prop.perf actual" && + + cmd=$1 && + cmd_name=$2 && + + test_config_global "trace2.configParams" "cfg.prop.*" && + test_config_global "trace2.envvars" "ENV_PROP_FOO,ENV_PROP_BAR" && + + test_config_global "cfg.prop.foo" "red" && + + ENV_PROP_FOO=blue \ + GIT_TRACE2_PERF="$(pwd)/prop.perf" \ + $cmd && + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <prop.perf >actual && + grep "d0|main|cmd_name|.*|$cmd_name" actual && + grep "d0|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d0|main|def_param|.*|ENV_PROP_FOO:blue" actual +} + +# Representative mainstream builtin Git command dispatched +# in run_builtin() in git.c +# +test_expect_success 'expect def_params for normal builtin command' ' + try_simple "git version" "version" +' + +# Representative query command dispatched in handle_options() +# in git.c +# +test_expect_success 'expect def_params for query command' ' + try_simple "git --man-path" "_query_" +' + +# remote-curl.c does not use the builtin setup in git.c, so confirm +# that executables built from remote-curl.c emit def_params. +# +# Also tests the dashed-command handling where "git foo" silently +# spawns "git-foo". Make sure that both commands should emit +# def_params. +# +# Pass bogus arguments to remote-https and allow the command to fail +# because we don't actually have a remote to fetch from. We just want +# to see the run-dashed code run an executable built from +# remote-curl.c rather than git.c. Confirm that we get def_param +# events from both layers. +# +test_expect_success 'expect def_params for remote-curl and _run_dashed_' ' + test_when_finished "rm prop.perf actual" && + + test_config_global "trace2.configParams" "cfg.prop.*" && + test_config_global "trace2.envvars" "ENV_PROP_FOO,ENV_PROP_BAR" && + + test_config_global "cfg.prop.foo" "red" && + + test_might_fail env \ + ENV_PROP_FOO=blue \ + GIT_TRACE2_PERF="$(pwd)/prop.perf" \ + git remote-http x y && + + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <prop.perf >actual && + + grep "d0|main|cmd_name|.*|_run_dashed_" actual && + grep "d0|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d0|main|def_param|.*|ENV_PROP_FOO:blue" actual && + + grep "d1|main|cmd_name|.*|remote-curl" actual && + grep "d1|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d1|main|def_param|.*|ENV_PROP_FOO:blue" actual +' + +# Similarly, `git-http-fetch` is not built from git.c so do a +# trivial fetch so that the main git.c run-dashed code spawns +# an executable built from http-fetch.c. Confirm that we get +# def_param events from both layers. +# +test_expect_success 'expect def_params for http-fetch and _run_dashed_' ' + test_when_finished "rm prop.perf actual" && + + test_config_global "trace2.configParams" "cfg.prop.*" && + test_config_global "trace2.envvars" "ENV_PROP_FOO,ENV_PROP_BAR" && + + test_config_global "cfg.prop.foo" "red" && + + test_might_fail env \ + ENV_PROP_FOO=blue \ + GIT_TRACE2_PERF="$(pwd)/prop.perf" \ + git http-fetch --stdin file:/// <<-EOF && + EOF + + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <prop.perf >actual && + + grep "d0|main|cmd_name|.*|_run_dashed_" actual && + grep "d0|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d0|main|def_param|.*|ENV_PROP_FOO:blue" actual && + + grep "d1|main|cmd_name|.*|http-fetch" actual && + grep "d1|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d1|main|def_param|.*|ENV_PROP_FOO:blue" actual +' + +# Historically, alias expansion explicitly emitted the def_param +# events (independent of whether the command was a builtin, a Git +# command or arbitrary shell command) so that it wasn't dependent +# upon the unpeeling of the alias. Let's make sure that we preserve +# the net effect. +# +test_expect_success 'expect def_params during git alias expansion' ' + test_when_finished "rm prop.perf actual" && + + test_config_global "trace2.configParams" "cfg.prop.*" && + test_config_global "trace2.envvars" "ENV_PROP_FOO,ENV_PROP_BAR" && + + test_config_global "cfg.prop.foo" "red" && + + test_config_global "alias.xxx" "version" && + + ENV_PROP_FOO=blue \ + GIT_TRACE2_PERF="$(pwd)/prop.perf" \ + git xxx && + + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <prop.perf >actual && + + # "git xxx" is first mapped to "git-xxx" and the child will fail. + grep "d0|main|cmd_name|.*|_run_dashed_ (_run_dashed_)" actual && + + # We unpeel that and substitute "version" into "xxx" (giving + # "git version") and update the cmd_name event. + grep "d0|main|cmd_name|.*|_run_git_alias_ (_run_dashed_/_run_git_alias_)" actual && + + # These def_param events could be associated with either of the + # above cmd_name events. It does not matter. + grep "d0|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d0|main|def_param|.*|ENV_PROP_FOO:blue" actual && + + # The "git version" child sees a different cmd_name hierarchy. + # Also test the def_param (only for completeness). + grep "d1|main|cmd_name|.*|version (_run_dashed_/_run_git_alias_/version)" actual && + grep "d1|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d1|main|def_param|.*|ENV_PROP_FOO:blue" actual +' + +test_expect_success 'expect def_params during shell alias expansion' ' + test_when_finished "rm prop.perf actual" && + + test_config_global "trace2.configParams" "cfg.prop.*" && + test_config_global "trace2.envvars" "ENV_PROP_FOO,ENV_PROP_BAR" && + + test_config_global "cfg.prop.foo" "red" && + + test_config_global "alias.xxx" "!git version" && + + ENV_PROP_FOO=blue \ + GIT_TRACE2_PERF="$(pwd)/prop.perf" \ + git xxx && + + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <prop.perf >actual && + + # "git xxx" is first mapped to "git-xxx" and the child will fail. + grep "d0|main|cmd_name|.*|_run_dashed_ (_run_dashed_)" actual && + + # We unpeel that and substitute "git version" for "git xxx" (as a + # shell command. Another cmd_name event is emitted as we unpeel. + grep "d0|main|cmd_name|.*|_run_shell_alias_ (_run_dashed_/_run_shell_alias_)" actual && + + # These def_param events could be associated with either of the + # above cmd_name events. It does not matter. + grep "d0|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d0|main|def_param|.*|ENV_PROP_FOO:blue" actual && + + # We get the following only because we used a git command for the + # shell command. In general, it could have been a shell script and + # we would see nothing. + # + # The child knows the cmd_name hierarchy so it includes it. + grep "d1|main|cmd_name|.*|version (_run_dashed_/_run_shell_alias_/version)" actual && + grep "d1|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d1|main|def_param|.*|ENV_PROP_FOO:blue" actual +' + +test_expect_success 'expect def_params during nested git alias expansion' ' + test_when_finished "rm prop.perf actual" && + + test_config_global "trace2.configParams" "cfg.prop.*" && + test_config_global "trace2.envvars" "ENV_PROP_FOO,ENV_PROP_BAR" && + + test_config_global "cfg.prop.foo" "red" && + + test_config_global "alias.xxx" "yyy" && + test_config_global "alias.yyy" "version" && + + ENV_PROP_FOO=blue \ + GIT_TRACE2_PERF="$(pwd)/prop.perf" \ + git xxx && + + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <prop.perf >actual && + + # "git xxx" is first mapped to "git-xxx" and try to spawn "git-xxx" + # and the child will fail. + grep "d0|main|cmd_name|.*|_run_dashed_ (_run_dashed_)" actual && + grep "d0|main|child_start|.*|.* class:dashed argv:\[git-xxx\]" actual && + + # We unpeel that and substitute "yyy" into "xxx" (giving "git yyy") + # and spawn "git-yyy" and the child will fail. + grep "d0|main|alias|.*|alias:xxx argv:\[yyy\]" actual && + grep "d0|main|cmd_name|.*|_run_dashed_ (_run_dashed_/_run_dashed_)" actual && + grep "d0|main|child_start|.*|.* class:dashed argv:\[git-yyy\]" actual && + + # We unpeel that and substitute "version" into "xxx" (giving + # "git version") and update the cmd_name event. + grep "d0|main|alias|.*|alias:yyy argv:\[version\]" actual && + grep "d0|main|cmd_name|.*|_run_git_alias_ (_run_dashed_/_run_dashed_/_run_git_alias_)" actual && + + # These def_param events could be associated with any of the + # above cmd_name events. It does not matter. + grep "d0|main|def_param|.*|cfg.prop.foo:red" actual >actual.matches && + grep "d0|main|def_param|.*|ENV_PROP_FOO:blue" actual && + + # However, we do not want them repeated each time we unpeel. + test_line_count = 1 actual.matches && + + # The "git version" child sees a different cmd_name hierarchy. + # Also test the def_param (only for completeness). + grep "d1|main|cmd_name|.*|version (_run_dashed_/_run_dashed_/_run_git_alias_/version)" actual && + grep "d1|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d1|main|def_param|.*|ENV_PROP_FOO:blue" actual +' + test_done diff --git a/t/t0301-credential-cache.sh b/t/t0301-credential-cache.sh index 8300faadea..f2c146fa2a 100755 --- a/t/t0301-credential-cache.sh +++ b/t/t0301-credential-cache.sh @@ -8,6 +8,14 @@ test -z "$NO_UNIX_SOCKETS" || { skip_all='skipping credential-cache tests, unix sockets not available' test_done } +if test_have_prereq MINGW +then + service_running=$(sc query afunix | grep "4 RUNNING") + test -z "$service_running" || { + skip_all='skipping credential-cache tests, unix sockets not available' + test_done + } +fi uname_s=$(uname -s) case $uname_s in diff --git a/t/t0410-partial-clone.sh b/t/t0410-partial-clone.sh index 0f98b21be8..88a66f0904 100755 --- a/t/t0410-partial-clone.sh +++ b/t/t0410-partial-clone.sh @@ -665,6 +665,21 @@ test_expect_success 'lazy-fetch when accessing object not in the_repository' ' git -C partial.git rev-list --objects --missing=print HEAD >out && grep "[?]$FILE_HASH" out && + # The no-lazy-fetch mechanism prevents Git from fetching + test_must_fail env GIT_NO_LAZY_FETCH=1 \ + git -C partial.git cat-file -e "$FILE_HASH" && + + # The same with command line option to "git" + test_must_fail git --no-lazy-fetch -C partial.git cat-file -e "$FILE_HASH" && + + # The same, forcing a subprocess via an alias + test_must_fail git --no-lazy-fetch -C partial.git \ + -c alias.foo="!git cat-file" foo -e "$FILE_HASH" && + + # Sanity check that the file is still missing + git -C partial.git rev-list --objects --missing=print HEAD >out && + grep "[?]$FILE_HASH" out && + git -C full cat-file -s "$FILE_HASH" >expect && test-tool partial-clone object-info partial.git "$FILE_HASH" >actual && test_cmp expect actual && diff --git a/t/t0450-txt-doc-vs-help.sh b/t/t0450-txt-doc-vs-help.sh index cd3969e852..69917d7b84 100755 --- a/t/t0450-txt-doc-vs-help.sh +++ b/t/t0450-txt-doc-vs-help.sh @@ -59,7 +59,9 @@ txt_to_synopsis () { -e '/^\[verse\]$/,/^$/ { /^$/d; /^\[verse\]$/d; - + s/_//g; + s/++//g; + s/`//g; s/{litdd}/--/g; s/'\''\(git[ a-z-]*\)'\''/\1/g; diff --git a/t/t0601-reffiles-pack-refs.sh b/t/t0601-reffiles-pack-refs.sh index c309d2bae8..7d4ab0b91a 100755 --- a/t/t0601-reffiles-pack-refs.sh +++ b/t/t0601-reffiles-pack-refs.sh @@ -32,11 +32,16 @@ test_expect_success 'prepare a trivial repository' ' HEAD=$(git rev-parse --verify HEAD) ' -test_expect_success 'pack_refs(PACK_REFS_ALL | PACK_REFS_PRUNE)' ' - N=`find .git/refs -type f | wc -l` && +test_expect_success 'pack-refs --prune --all' ' + test_path_is_missing .git/packed-refs && + git pack-refs --no-prune --all && + test_path_is_file .git/packed-refs && + N=$(find .git/refs -type f | wc -l) && test "$N" != 0 && - test-tool ref-store main pack-refs PACK_REFS_PRUNE,PACK_REFS_ALL && - N=`find .git/refs -type f` && + + git pack-refs --prune --all && + test_path_is_file .git/packed-refs && + N=$(find .git/refs -type f) && test -z "$N" ' @@ -159,6 +164,13 @@ test_expect_success 'test --exclude takes precedence over --include' ' git pack-refs --include "refs/heads/pack*" --exclude "refs/heads/pack*" && test -f .git/refs/heads/dont_pack5' +test_expect_success '--auto packs and prunes refs as usual' ' + git branch auto && + test_path_is_file .git/refs/heads/auto && + git pack-refs --auto --all && + test_path_is_missing .git/refs/heads/auto +' + test_expect_success 'see if up-to-date packed refs are preserved' ' git branch q && git pack-refs --all --prune && @@ -358,4 +370,14 @@ test_expect_success 'pack-refs does not drop broken refs during deletion' ' test_cmp expect actual ' +test_expect_success 'maintenance --auto unconditionally packs loose refs' ' + git update-ref refs/heads/something HEAD && + test_path_is_file .git/refs/heads/something && + git rev-parse refs/heads/something >expect && + git maintenance run --task=pack-refs --auto && + test_path_is_missing .git/refs/heads/something && + git rev-parse refs/heads/something >actual && + test_cmp expect actual +' + test_done diff --git a/t/t0610-reftable-basics.sh b/t/t0610-reftable-basics.sh index 6a131e40b8..238d4923c4 100755 --- a/t/t0610-reftable-basics.sh +++ b/t/t0610-reftable-basics.sh @@ -83,7 +83,7 @@ test_expect_success 'init: reinitializing reftable with files backend fails' ' test_expect_perms () { local perms="$1" local file="$2" - local actual=$(ls -l "$file") && + local actual="$(ls -l "$file")" && case "$actual" in $perms*) @@ -96,23 +96,54 @@ test_expect_perms () { esac } -for umask in 002 022 -do - test_expect_success POSIXPERM 'init: honors core.sharedRepository' ' +test_expect_reftable_perms () { + local umask="$1" + local shared="$2" + local expect="$3" + + test_expect_success POSIXPERM "init: honors --shared=$shared with umask $umask" ' test_when_finished "rm -rf repo" && ( umask $umask && - git init --shared=true repo && - test 1 = "$(git -C repo config core.sharedrepository)" + git init --shared=$shared repo ) && - test_expect_perms "-rw-rw-r--" repo/.git/reftable/tables.list && + test_expect_perms "$expect" repo/.git/reftable/tables.list && for table in repo/.git/reftable/*.ref do - test_expect_perms "-rw-rw-r--" "$table" || + test_expect_perms "$expect" "$table" || return 1 done ' -done + + test_expect_success POSIXPERM "pack-refs: honors --shared=$shared with umask $umask" ' + test_when_finished "rm -rf repo" && + ( + umask $umask && + git init --shared=$shared repo && + test_commit -C repo A && + test_line_count = 3 repo/.git/reftable/tables.list && + git -C repo pack-refs + ) && + test_expect_perms "$expect" repo/.git/reftable/tables.list && + for table in repo/.git/reftable/*.ref + do + test_expect_perms "$expect" "$table" || + return 1 + done + ' +} + +test_expect_reftable_perms 002 umask "-rw-rw-r--" +test_expect_reftable_perms 022 umask "-rw-r--r--" +test_expect_reftable_perms 027 umask "-rw-r-----" + +test_expect_reftable_perms 002 group "-rw-rw-r--" +test_expect_reftable_perms 022 group "-rw-rw-r--" +test_expect_reftable_perms 027 group "-rw-rw----" + +test_expect_reftable_perms 002 world "-rw-rw-r--" +test_expect_reftable_perms 022 world "-rw-rw-r--" +test_expect_reftable_perms 027 world "-rw-rw-r--" test_expect_success 'clone: can clone reftable repository' ' test_when_finished "rm -rf repo clone" && @@ -328,6 +359,38 @@ test_expect_success 'ref transaction: writes are synced' ' EOF ' +test_expect_success 'ref transaction: empty transaction in empty repo' ' + test_when_finished "rm -rf repo" && + git init repo && + test_commit -C repo --no-tag A && + git -C repo update-ref -d refs/heads/main && + test-tool -C repo ref-store main delete-refs REF_NO_DEREF msg HEAD && + git -C repo update-ref --stdin <<-EOF + prepare + commit + EOF +' + +test_expect_success 'ref transaction: fails gracefully when auto compaction fails' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + + test_commit A && + for i in $(test_seq 10) + do + git branch branch-$i && + for table in .git/reftable/*.ref + do + touch "$table.lock" || exit 1 + done || + exit 1 + done && + test_line_count = 13 .git/reftable/tables.list + ) +' + test_expect_success 'pack-refs: compacts tables' ' test_when_finished "rm -rf repo" && git init repo && @@ -343,6 +406,65 @@ test_expect_success 'pack-refs: compacts tables' ' test_line_count = 1 repo/.git/reftable/tables.list ' +test_expect_success 'pack-refs: compaction raises locking errors' ' + test_when_finished "rm -rf repo" && + git init repo && + test_commit -C repo A && + touch repo/.git/reftable/tables.list.lock && + cat >expect <<-EOF && + error: unable to compact stack: data is locked + EOF + test_must_fail git -C repo pack-refs 2>err && + test_cmp expect err +' + +for command in pack-refs gc "maintenance run --task=pack-refs" +do +test_expect_success "$command: auto compaction" ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + + test_commit A && + + # We need a bit of setup to ensure that git-gc(1) actually + # triggers, and that it does not write anything to the refdb. + git config gc.auto 1 && + git config gc.autoDetach 0 && + git config gc.reflogExpire never && + git config gc.reflogExpireUnreachable never && + test_oid blob17_1 | git hash-object -w --stdin && + + # The tables should have been auto-compacted, and thus auto + # compaction should not have to do anything. + ls -1 .git/reftable >tables-expect && + test_line_count = 4 tables-expect && + git $command --auto && + ls -1 .git/reftable >tables-actual && + test_cmp tables-expect tables-actual && + + test_oid blob17_2 | git hash-object -w --stdin && + + # Lock all tables write some refs. Auto-compaction will be + # unable to compact tables and thus fails gracefully, leaving + # the stack in a sub-optimal state. + ls .git/reftable/*.ref | + while read table + do + touch "$table.lock" || exit 1 + done && + git branch B && + git branch C && + rm .git/reftable/*.lock && + test_line_count = 5 .git/reftable/tables.list && + + git $command --auto && + test_line_count = 1 .git/reftable/tables.list + ) +' +done + test_expect_success 'pack-refs: prunes stale tables' ' test_when_finished "rm -rf repo" && git init repo && @@ -359,26 +481,6 @@ test_expect_success 'pack-refs: does not prune non-table files' ' test_path_is_file repo/.git/reftable/garbage ' -for umask in 002 022 -do - test_expect_success POSIXPERM 'pack-refs: honors core.sharedRepository' ' - test_when_finished "rm -rf repo" && - ( - umask $umask && - git init --shared=true repo && - test_commit -C repo A && - test_line_count = 3 repo/.git/reftable/tables.list - ) && - git -C repo pack-refs && - test_expect_perms "-rw-rw-r--" repo/.git/reftable/tables.list && - for table in repo/.git/reftable/*.ref - do - test_expect_perms "-rw-rw-r--" "$table" || - return 1 - done - ' -done - test_expect_success 'packed-refs: writes are synced' ' test_when_finished "rm -rf repo" && git init repo && diff --git a/t/t1006-cat-file.sh b/t/t1006-cat-file.sh index e0c6482797..e12b221972 100755 --- a/t/t1006-cat-file.sh +++ b/t/t1006-cat-file.sh @@ -112,65 +112,65 @@ strlen () { run_tests () { type=$1 - sha1=$2 + oid=$2 size=$3 content=$4 pretty_content=$5 - batch_output="$sha1 $type $size + batch_output="$oid $type $size $content" test_expect_success "$type exists" ' - git cat-file -e $sha1 + git cat-file -e $oid ' test_expect_success "Type of $type is correct" ' echo $type >expect && - git cat-file -t $sha1 >actual && + git cat-file -t $oid >actual && test_cmp expect actual ' test_expect_success "Size of $type is correct" ' echo $size >expect && - git cat-file -s $sha1 >actual && + git cat-file -s $oid >actual && test_cmp expect actual ' test_expect_success "Type of $type is correct using --allow-unknown-type" ' echo $type >expect && - git cat-file -t --allow-unknown-type $sha1 >actual && + git cat-file -t --allow-unknown-type $oid >actual && test_cmp expect actual ' test_expect_success "Size of $type is correct using --allow-unknown-type" ' echo $size >expect && - git cat-file -s --allow-unknown-type $sha1 >actual && + git cat-file -s --allow-unknown-type $oid >actual && test_cmp expect actual ' test -z "$content" || test_expect_success "Content of $type is correct" ' echo_without_newline "$content" >expect && - git cat-file $type $sha1 >actual && + git cat-file $type $oid >actual && test_cmp expect actual ' test_expect_success "Pretty content of $type is correct" ' echo_without_newline "$pretty_content" >expect && - git cat-file -p $sha1 >actual && + git cat-file -p $oid >actual && test_cmp expect actual ' test -z "$content" || test_expect_success "--batch output of $type is correct" ' echo "$batch_output" >expect && - echo $sha1 | git cat-file --batch >actual && + echo $oid | git cat-file --batch >actual && test_cmp expect actual ' test_expect_success "--batch-check output of $type is correct" ' - echo "$sha1 $type $size" >expect && - echo_without_newline $sha1 | git cat-file --batch-check >actual && + echo "$oid $type $size" >expect && + echo_without_newline $oid | git cat-file --batch-check >actual && test_cmp expect actual ' @@ -179,33 +179,33 @@ $content" test -z "$content" || test_expect_success "--batch-command $opt output of $type content is correct" ' echo "$batch_output" >expect && - test_write_lines "contents $sha1" | git cat-file --batch-command $opt >actual && + test_write_lines "contents $oid" | git cat-file --batch-command $opt >actual && test_cmp expect actual ' test_expect_success "--batch-command $opt output of $type info is correct" ' - echo "$sha1 $type $size" >expect && - test_write_lines "info $sha1" | + echo "$oid $type $size" >expect && + test_write_lines "info $oid" | git cat-file --batch-command $opt >actual && test_cmp expect actual ' done test_expect_success "custom --batch-check format" ' - echo "$type $sha1" >expect && - echo $sha1 | git cat-file --batch-check="%(objecttype) %(objectname)" >actual && + echo "$type $oid" >expect && + echo $oid | git cat-file --batch-check="%(objecttype) %(objectname)" >actual && test_cmp expect actual ' test_expect_success "custom --batch-command format" ' - echo "$type $sha1" >expect && - echo "info $sha1" | git cat-file --batch-command="%(objecttype) %(objectname)" >actual && + echo "$type $oid" >expect && + echo "info $oid" | git cat-file --batch-command="%(objecttype) %(objectname)" >actual && test_cmp expect actual ' test_expect_success '--batch-check with %(rest)' ' echo "$type this is some extra content" >expect && - echo "$sha1 this is some extra content" | + echo "$oid this is some extra content" | git cat-file --batch-check="%(objecttype) %(rest)" >actual && test_cmp expect actual ' @@ -216,7 +216,7 @@ $content" echo "$size" && echo "$content" } >expect && - echo $sha1 | git cat-file --batch="%(objectsize)" >actual && + echo $oid | git cat-file --batch="%(objectsize)" >actual && test_cmp expect actual ' @@ -226,114 +226,154 @@ $content" echo "$type" && echo "$content" } >expect && - echo $sha1 | git cat-file --batch="%(objecttype)" >actual && + echo $oid | git cat-file --batch="%(objecttype)" >actual && test_cmp expect actual ' } hello_content="Hello World" hello_size=$(strlen "$hello_content") -hello_sha1=$(echo_without_newline "$hello_content" | git hash-object --stdin) +hello_oid=$(echo_without_newline "$hello_content" | git hash-object --stdin) test_expect_success "setup" ' + git config core.repositoryformatversion 1 && + git config extensions.objectformat $test_hash_algo && + git config extensions.compatobjectformat $test_compat_hash_algo && echo_without_newline "$hello_content" > hello && git update-index --add hello ' -run_tests 'blob' $hello_sha1 $hello_size "$hello_content" "$hello_content" +run_blob_tests () { + oid=$1 -test_expect_success '--batch-command --buffer with flush for blob info' ' - echo "$hello_sha1 blob $hello_size" >expect && - test_write_lines "info $hello_sha1" "flush" | + run_tests 'blob' $oid $hello_size "$hello_content" "$hello_content" + + test_expect_success '--batch-command --buffer with flush for blob info' ' + echo "$oid blob $hello_size" >expect && + test_write_lines "info $oid" "flush" | GIT_TEST_CAT_FILE_NO_FLUSH_ON_EXIT=1 \ git cat-file --batch-command --buffer >actual && test_cmp expect actual -' + ' -test_expect_success '--batch-command --buffer without flush for blob info' ' + test_expect_success '--batch-command --buffer without flush for blob info' ' touch output && - test_write_lines "info $hello_sha1" | + test_write_lines "info $oid" | GIT_TEST_CAT_FILE_NO_FLUSH_ON_EXIT=1 \ git cat-file --batch-command --buffer >>output && test_must_be_empty output -' + ' +} + +hello_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $hello_oid) +run_blob_tests $hello_oid +run_blob_tests $hello_compat_oid test_expect_success '--batch-check without %(rest) considers whole line' ' - echo "$hello_sha1 blob $hello_size" >expect && - git update-index --add --cacheinfo 100644 $hello_sha1 "white space" && + echo "$hello_oid blob $hello_size" >expect && + git update-index --add --cacheinfo 100644 $hello_oid "white space" && test_when_finished "git update-index --remove \"white space\"" && echo ":white space" | git cat-file --batch-check >actual && test_cmp expect actual ' -tree_sha1=$(git write-tree) +tree_oid=$(git write-tree) +tree_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $tree_oid) tree_size=$(($(test_oid rawsz) + 13)) -tree_pretty_content="100644 blob $hello_sha1 hello${LF}" +tree_compat_size=$(($(test_oid --hash=compat rawsz) + 13)) +tree_pretty_content="100644 blob $hello_oid hello${LF}" +tree_compat_pretty_content="100644 blob $hello_compat_oid hello${LF}" -run_tests 'tree' $tree_sha1 $tree_size "" "$tree_pretty_content" +run_tests 'tree' $tree_oid $tree_size "" "$tree_pretty_content" +run_tests 'tree' $tree_compat_oid $tree_compat_size "" "$tree_compat_pretty_content" commit_message="Initial commit" -commit_sha1=$(echo_without_newline "$commit_message" | git commit-tree $tree_sha1) +commit_oid=$(echo_without_newline "$commit_message" | git commit-tree $tree_oid) +commit_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $commit_oid) commit_size=$(($(test_oid hexsz) + 137)) -commit_content="tree $tree_sha1 +commit_compat_size=$(($(test_oid --hash=compat hexsz) + 137)) +commit_content="tree $tree_oid +author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> $GIT_AUTHOR_DATE +committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE + +$commit_message" + +commit_compat_content="tree $tree_compat_oid author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> $GIT_AUTHOR_DATE committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE $commit_message" -run_tests 'commit' $commit_sha1 $commit_size "$commit_content" "$commit_content" +run_tests 'commit' $commit_oid $commit_size "$commit_content" "$commit_content" +run_tests 'commit' $commit_compat_oid $commit_compat_size "$commit_compat_content" "$commit_compat_content" -tag_header_without_timestamp="object $hello_sha1 -type blob +tag_header_without_oid="type blob tag hellotag tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" +tag_header_without_timestamp="object $hello_oid +$tag_header_without_oid" +tag_compat_header_without_timestamp="object $hello_compat_oid +$tag_header_without_oid" tag_description="This is a tag" tag_content="$tag_header_without_timestamp 0 +0000 $tag_description" +tag_compat_content="$tag_compat_header_without_timestamp 0 +0000 -tag_sha1=$(echo_without_newline "$tag_content" | git hash-object -t tag --stdin -w) +$tag_description" + +tag_oid=$(echo_without_newline "$tag_content" | git hash-object -t tag --stdin -w) tag_size=$(strlen "$tag_content") -run_tests 'tag' $tag_sha1 $tag_size "$tag_content" "$tag_content" +tag_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $tag_oid) +tag_compat_size=$(strlen "$tag_compat_content") + +run_tests 'tag' $tag_oid $tag_size "$tag_content" "$tag_content" +run_tests 'tag' $tag_compat_oid $tag_compat_size "$tag_compat_content" "$tag_compat_content" test_expect_success "Reach a blob from a tag pointing to it" ' echo_without_newline "$hello_content" >expect && - git cat-file blob $tag_sha1 >actual && + git cat-file blob $tag_oid >actual && test_cmp expect actual ' -for batch in batch batch-check batch-command +for oid in $hello_oid $hello_compat_oid do - for opt in t s e p + for batch in batch batch-check batch-command do + for opt in t s e p + do test_expect_success "Passing -$opt with --$batch fails" ' - test_must_fail git cat-file --$batch -$opt $hello_sha1 + test_must_fail git cat-file --$batch -$opt $oid ' test_expect_success "Passing --$batch with -$opt fails" ' - test_must_fail git cat-file -$opt --$batch $hello_sha1 + test_must_fail git cat-file -$opt --$batch $oid ' - done + done - test_expect_success "Passing <type> with --$batch fails" ' - test_must_fail git cat-file --$batch blob $hello_sha1 - ' + test_expect_success "Passing <type> with --$batch fails" ' + test_must_fail git cat-file --$batch blob $oid + ' - test_expect_success "Passing --$batch with <type> fails" ' - test_must_fail git cat-file blob --$batch $hello_sha1 - ' + test_expect_success "Passing --$batch with <type> fails" ' + test_must_fail git cat-file blob --$batch $oid + ' - test_expect_success "Passing sha1 with --$batch fails" ' - test_must_fail git cat-file --$batch $hello_sha1 - ' + test_expect_success "Passing oid with --$batch fails" ' + test_must_fail git cat-file --$batch $oid + ' + done done -for opt in t s e p +for oid in $hello_oid $hello_compat_oid do - test_expect_success "Passing -$opt with --follow-symlinks fails" ' - test_must_fail git cat-file --follow-symlinks -$opt $hello_sha1 + for opt in t s e p + do + test_expect_success "Passing -$opt with --follow-symlinks fails" ' + test_must_fail git cat-file --follow-symlinks -$opt $oid ' + done done test_expect_success "--batch-check for a non-existent named object" ' @@ -360,12 +400,12 @@ test_expect_success "--batch-check for a non-existent hash" ' test_expect_success "--batch for an existent and a non-existent hash" ' cat >expect <<-EOF && - $tag_sha1 tag $tag_size + $tag_oid tag $tag_size $tag_content 0000000000000000000000000000000000000000 missing EOF - printf "$tag_sha1\n0000000000000000000000000000000000000000" >in && + printf "$tag_oid\n0000000000000000000000000000000000000000" >in && git cat-file --batch <in >actual && test_cmp expect actual ' @@ -386,112 +426,102 @@ test_expect_success 'empty --batch-check notices missing object' ' test_cmp expect actual ' -batch_input="$hello_sha1 -$commit_sha1 -$tag_sha1 +batch_tests () { + boid=$1 + loid=$2 + lsize=$3 + coid=$4 + csize=$5 + ccontent=$6 + toid=$7 + tsize=$8 + tcontent=$9 + + batch_input="$boid +$coid +$toid deadbeef " -printf "%s\0" \ - "$hello_sha1 blob $hello_size" \ + printf "%s\0" \ + "$boid blob $hello_size" \ "$hello_content" \ - "$commit_sha1 commit $commit_size" \ - "$commit_content" \ - "$tag_sha1 tag $tag_size" \ - "$tag_content" \ + "$coid commit $csize" \ + "$ccontent" \ + "$toid tag $tsize" \ + "$tcontent" \ "deadbeef missing" \ " missing" >batch_output -test_expect_success '--batch with multiple sha1s gives correct format' ' + test_expect_success '--batch with multiple oids gives correct format' ' tr "\0" "\n" <batch_output >expect && echo_without_newline "$batch_input" >in && git cat-file --batch <in >actual && test_cmp expect actual -' + ' -test_expect_success '--batch, -z with multiple sha1s gives correct format' ' + test_expect_success '--batch, -z with multiple oids gives correct format' ' echo_without_newline_nul "$batch_input" >in && tr "\0" "\n" <batch_output >expect && git cat-file --batch -z <in >actual && test_cmp expect actual -' + ' -test_expect_success '--batch, -Z with multiple sha1s gives correct format' ' + test_expect_success '--batch, -Z with multiple oids gives correct format' ' echo_without_newline_nul "$batch_input" >in && git cat-file --batch -Z <in >actual && test_cmp batch_output actual -' + ' -batch_check_input="$hello_sha1 -$tree_sha1 -$commit_sha1 -$tag_sha1 +batch_check_input="$boid +$loid +$coid +$toid deadbeef " -printf "%s\0" \ - "$hello_sha1 blob $hello_size" \ - "$tree_sha1 tree $tree_size" \ - "$commit_sha1 commit $commit_size" \ - "$tag_sha1 tag $tag_size" \ + printf "%s\0" \ + "$boid blob $hello_size" \ + "$loid tree $lsize" \ + "$coid commit $csize" \ + "$toid tag $tsize" \ "deadbeef missing" \ " missing" >batch_check_output -test_expect_success "--batch-check with multiple sha1s gives correct format" ' + test_expect_success "--batch-check with multiple oids gives correct format" ' tr "\0" "\n" <batch_check_output >expect && echo_without_newline "$batch_check_input" >in && git cat-file --batch-check <in >actual && test_cmp expect actual -' + ' -test_expect_success "--batch-check, -z with multiple sha1s gives correct format" ' + test_expect_success "--batch-check, -z with multiple oids gives correct format" ' tr "\0" "\n" <batch_check_output >expect && echo_without_newline_nul "$batch_check_input" >in && git cat-file --batch-check -z <in >actual && test_cmp expect actual -' + ' -test_expect_success "--batch-check, -Z with multiple sha1s gives correct format" ' + test_expect_success "--batch-check, -Z with multiple oids gives correct format" ' echo_without_newline_nul "$batch_check_input" >in && git cat-file --batch-check -Z <in >actual && test_cmp batch_check_output actual -' - -test_expect_success FUNNYNAMES 'setup with newline in input' ' - touch -- "newline${LF}embedded" && - git add -- "newline${LF}embedded" && - git commit -m "file with newline embedded" && - test_tick && - - printf "HEAD:newline${LF}embedded" >in -' - -test_expect_success FUNNYNAMES '--batch-check, -z with newline in input' ' - git cat-file --batch-check -z <in >actual && - echo "$(git rev-parse "HEAD:newline${LF}embedded") blob 0" >expect && - test_cmp expect actual -' - -test_expect_success FUNNYNAMES '--batch-check, -Z with newline in input' ' - git cat-file --batch-check -Z <in >actual && - printf "%s\0" "$(git rev-parse "HEAD:newline${LF}embedded") blob 0" >expect && - test_cmp expect actual -' + ' -batch_command_multiple_info="info $hello_sha1 -info $tree_sha1 -info $commit_sha1 -info $tag_sha1 +batch_command_multiple_info="info $boid +info $loid +info $coid +info $toid info deadbeef" -test_expect_success '--batch-command with multiple info calls gives correct format' ' + test_expect_success '--batch-command with multiple info calls gives correct format' ' cat >expect <<-EOF && - $hello_sha1 blob $hello_size - $tree_sha1 tree $tree_size - $commit_sha1 commit $commit_size - $tag_sha1 tag $tag_size + $boid blob $hello_size + $loid tree $lsize + $coid commit $csize + $toid tag $tsize deadbeef missing EOF @@ -510,22 +540,22 @@ test_expect_success '--batch-command with multiple info calls gives correct form git cat-file --batch-command --buffer -Z <in >actual && test_cmp expect_nul actual -' + ' -batch_command_multiple_contents="contents $hello_sha1 -contents $commit_sha1 -contents $tag_sha1 +batch_command_multiple_contents="contents $boid +contents $coid +contents $toid contents deadbeef flush" -test_expect_success '--batch-command with multiple command calls gives correct format' ' + test_expect_success '--batch-command with multiple command calls gives correct format' ' printf "%s\0" \ - "$hello_sha1 blob $hello_size" \ + "$boid blob $hello_size" \ "$hello_content" \ - "$commit_sha1 commit $commit_size" \ - "$commit_content" \ - "$tag_sha1 tag $tag_size" \ - "$tag_content" \ + "$coid commit $csize" \ + "$ccontent" \ + "$toid tag $tsize" \ + "$tcontent" \ "deadbeef missing" >expect_nul && tr "\0" "\n" <expect_nul >expect && @@ -543,6 +573,33 @@ test_expect_success '--batch-command with multiple command calls gives correct f git cat-file --batch-command --buffer -Z <in >actual && test_cmp expect_nul actual + ' + +} + +batch_tests $hello_oid $tree_oid $tree_size $commit_oid $commit_size "$commit_content" $tag_oid $tag_size "$tag_content" +batch_tests $hello_compat_oid $tree_compat_oid $tree_compat_size $commit_compat_oid $commit_compat_size "$commit_compat_content" $tag_compat_oid $tag_compat_size "$tag_compat_content" + + +test_expect_success FUNNYNAMES 'setup with newline in input' ' + touch -- "newline${LF}embedded" && + git add -- "newline${LF}embedded" && + git commit -m "file with newline embedded" && + test_tick && + + printf "HEAD:newline${LF}embedded" >in +' + +test_expect_success FUNNYNAMES '--batch-check, -z with newline in input' ' + git cat-file --batch-check -z <in >actual && + echo "$(git rev-parse "HEAD:newline${LF}embedded") blob 0" >expect && + test_cmp expect actual +' + +test_expect_success FUNNYNAMES '--batch-check, -Z with newline in input' ' + git cat-file --batch-check -Z <in >actual && + printf "%s\0" "$(git rev-parse "HEAD:newline${LF}embedded") blob 0" >expect && + test_cmp expect actual ' test_expect_success 'setup blobs which are likely to delta' ' @@ -569,7 +626,7 @@ test_expect_success 'confirm that neither loose blob is a delta' ' # we will check only that one of the two objects is a delta # against the other, but not the order. We can do so by just # asking for the base of both, and checking whether either -# sha1 appears in the output. +# oid appears in the output. test_expect_success '%(deltabase) reports packed delta bases' ' git repack -ad && git cat-file --batch-check="%(deltabase)" <blobs >actual && @@ -583,12 +640,12 @@ test_expect_success 'setup bogus data' ' bogus_short_type="bogus" && bogus_short_content="bogus" && bogus_short_size=$(strlen "$bogus_short_content") && - bogus_short_sha1=$(echo_without_newline "$bogus_short_content" | git hash-object -t $bogus_short_type --literally -w --stdin) && + bogus_short_oid=$(echo_without_newline "$bogus_short_content" | git hash-object -t $bogus_short_type --literally -w --stdin) && bogus_long_type="abcdefghijklmnopqrstuvwxyz1234679" && bogus_long_content="bogus" && bogus_long_size=$(strlen "$bogus_long_content") && - bogus_long_sha1=$(echo_without_newline "$bogus_long_content" | git hash-object -t $bogus_long_type --literally -w --stdin) + bogus_long_oid=$(echo_without_newline "$bogus_long_content" | git hash-object -t $bogus_long_type --literally -w --stdin) ' for arg1 in '' --allow-unknown-type @@ -608,9 +665,9 @@ do if test "$arg1" = "--allow-unknown-type" then - git cat-file $arg1 $arg2 $bogus_short_sha1 + git cat-file $arg1 $arg2 $bogus_short_oid else - test_must_fail git cat-file $arg1 $arg2 $bogus_short_sha1 >out 2>actual && + test_must_fail git cat-file $arg1 $arg2 $bogus_short_oid >out 2>actual && test_must_be_empty out && test_cmp expect actual fi @@ -620,21 +677,21 @@ do if test "$arg2" = "-p" then cat >expect <<-EOF - error: header for $bogus_long_sha1 too long, exceeds 32 bytes - fatal: Not a valid object name $bogus_long_sha1 + error: header for $bogus_long_oid too long, exceeds 32 bytes + fatal: Not a valid object name $bogus_long_oid EOF else cat >expect <<-EOF - error: header for $bogus_long_sha1 too long, exceeds 32 bytes + error: header for $bogus_long_oid too long, exceeds 32 bytes fatal: git cat-file: could not get object info EOF fi && if test "$arg1" = "--allow-unknown-type" then - git cat-file $arg1 $arg2 $bogus_short_sha1 + git cat-file $arg1 $arg2 $bogus_short_oid else - test_must_fail git cat-file $arg1 $arg2 $bogus_long_sha1 >out 2>actual && + test_must_fail git cat-file $arg1 $arg2 $bogus_long_oid >out 2>actual && test_must_be_empty out && test_cmp expect actual fi @@ -668,28 +725,28 @@ do done test_expect_success '-e is OK with a broken object without --allow-unknown-type' ' - git cat-file -e $bogus_short_sha1 + git cat-file -e $bogus_short_oid ' test_expect_success '-e can not be combined with --allow-unknown-type' ' - test_expect_code 128 git cat-file -e --allow-unknown-type $bogus_short_sha1 + test_expect_code 128 git cat-file -e --allow-unknown-type $bogus_short_oid ' test_expect_success '-p cannot print a broken object even with --allow-unknown-type' ' - test_must_fail git cat-file -p $bogus_short_sha1 && - test_expect_code 128 git cat-file -p --allow-unknown-type $bogus_short_sha1 + test_must_fail git cat-file -p $bogus_short_oid && + test_expect_code 128 git cat-file -p --allow-unknown-type $bogus_short_oid ' test_expect_success '<type> <hash> does not work with objects of broken types' ' cat >err.expect <<-\EOF && fatal: invalid object type "bogus" EOF - test_must_fail git cat-file $bogus_short_type $bogus_short_sha1 2>err.actual && + test_must_fail git cat-file $bogus_short_type $bogus_short_oid 2>err.actual && test_cmp err.expect err.actual ' test_expect_success 'broken types combined with --batch and --batch-check' ' - echo $bogus_short_sha1 >bogus-oid && + echo $bogus_short_oid >bogus-oid && cat >err.expect <<-\EOF && fatal: invalid object type @@ -711,52 +768,52 @@ test_expect_success 'the --allow-unknown-type option does not consider replaceme cat >expect <<-EOF && $bogus_short_type EOF - git cat-file -t --allow-unknown-type $bogus_short_sha1 >actual && + git cat-file -t --allow-unknown-type $bogus_short_oid >actual && test_cmp expect actual && # Create it manually, as "git replace" will die on bogus # types. head=$(git rev-parse --verify HEAD) && - test_when_finished "test-tool ref-store main delete-refs 0 msg refs/replace/$bogus_short_sha1" && - test-tool ref-store main update-ref msg "refs/replace/$bogus_short_sha1" $head $ZERO_OID REF_SKIP_OID_VERIFICATION && + test_when_finished "test-tool ref-store main delete-refs 0 msg refs/replace/$bogus_short_oid" && + test-tool ref-store main update-ref msg "refs/replace/$bogus_short_oid" $head $ZERO_OID REF_SKIP_OID_VERIFICATION && cat >expect <<-EOF && commit EOF - git cat-file -t --allow-unknown-type $bogus_short_sha1 >actual && + git cat-file -t --allow-unknown-type $bogus_short_oid >actual && test_cmp expect actual ' test_expect_success "Type of broken object is correct" ' echo $bogus_short_type >expect && - git cat-file -t --allow-unknown-type $bogus_short_sha1 >actual && + git cat-file -t --allow-unknown-type $bogus_short_oid >actual && test_cmp expect actual ' test_expect_success "Size of broken object is correct" ' echo $bogus_short_size >expect && - git cat-file -s --allow-unknown-type $bogus_short_sha1 >actual && + git cat-file -s --allow-unknown-type $bogus_short_oid >actual && test_cmp expect actual ' test_expect_success 'clean up broken object' ' - rm .git/objects/$(test_oid_to_path $bogus_short_sha1) + rm .git/objects/$(test_oid_to_path $bogus_short_oid) ' test_expect_success "Type of broken object is correct when type is large" ' echo $bogus_long_type >expect && - git cat-file -t --allow-unknown-type $bogus_long_sha1 >actual && + git cat-file -t --allow-unknown-type $bogus_long_oid >actual && test_cmp expect actual ' test_expect_success "Size of large broken object is correct when type is large" ' echo $bogus_long_size >expect && - git cat-file -s --allow-unknown-type $bogus_long_sha1 >actual && + git cat-file -s --allow-unknown-type $bogus_long_oid >actual && test_cmp expect actual ' test_expect_success 'clean up broken object' ' - rm .git/objects/$(test_oid_to_path $bogus_long_sha1) + rm .git/objects/$(test_oid_to_path $bogus_long_oid) ' test_expect_success 'cat-file -t and -s on corrupt loose object' ' @@ -853,7 +910,7 @@ test_expect_success 'prep for symlink tests' ' test_ln_s_add loop2 loop1 && git add morx dir/subdir/ind2 dir/ind1 && git commit -am "test" && - echo $hello_sha1 blob $hello_size >found + echo $hello_oid blob $hello_size >found ' test_expect_success 'git cat-file --batch-check --follow-symlinks works for non-links' ' @@ -941,7 +998,7 @@ test_expect_success 'git cat-file --batch-check --follow-symlinks works for dir/ echo HEAD:dirlink/morx >>expect && echo HEAD:dirlink/morx | git cat-file --batch-check --follow-symlinks >actual && test_cmp expect actual && - echo $hello_sha1 blob $hello_size >expect && + echo $hello_oid blob $hello_size >expect && echo HEAD:dirlink/ind1 | git cat-file --batch-check --follow-symlinks >actual && test_cmp expect actual ' diff --git a/t/t1007-hash-object.sh b/t/t1007-hash-object.sh index ac3d173767..64aea38486 100755 --- a/t/t1007-hash-object.sh +++ b/t/t1007-hash-object.sh @@ -124,8 +124,8 @@ test_expect_success 'check that appropriate filter is invoke when --path is used path0_sha=$(git hash-object --path=file0 file1) && test "$file0_sha" = "$path0_sha" && test "$file1_sha" = "$path1_sha" && - path1_sha=$(cat file0 | git hash-object --path=file1 --stdin) && - path0_sha=$(cat file1 | git hash-object --path=file0 --stdin) && + path1_sha=$(git hash-object --path=file1 --stdin <file0) && + path0_sha=$(git hash-object --path=file0 --stdin <file1) && test "$file0_sha" = "$path0_sha" && test "$file1_sha" = "$path1_sha" ' @@ -154,7 +154,7 @@ test_expect_success '--path works in a subdirectory' ' test_expect_success 'check that --no-filters option works' ' nofilters_file1=$(git hash-object --no-filters file1) && test "$file0_sha" = "$nofilters_file1" && - nofilters_file1=$(cat file1 | git hash-object --stdin) && + nofilters_file1=$(git hash-object --stdin <file1) && test "$file0_sha" = "$nofilters_file1" ' diff --git a/t/t1016-compatObjectFormat.sh b/t/t1016-compatObjectFormat.sh new file mode 100755 index 0000000000..be3206a16f --- /dev/null +++ b/t/t1016-compatObjectFormat.sh @@ -0,0 +1,281 @@ +#!/bin/sh +# +# Copyright (c) 2023 Eric Biederman +# + +test_description='Test how well compatObjectFormat works' + +TEST_PASSES_SANITIZE_LEAK=true +. ./test-lib.sh +. "$TEST_DIRECTORY"/lib-gpg.sh + +# All of the follow variables must be defined in the environment: +# GIT_AUTHOR_NAME +# GIT_AUTHOR_EMAIL +# GIT_AUTHOR_DATE +# GIT_COMMITTER_NAME +# GIT_COMMITTER_EMAIL +# GIT_COMMITTER_DATE +# +# The test relies on these variables being set so that the two +# different commits in two different repositories encoded with two +# different hash functions result in the same content in the commits. +# This means that when the commit is translated between hash functions +# the commit is identical to the commit in the other repository. + +compat_hash () { + case "$1" in + "sha1") + echo "sha256" + ;; + "sha256") + echo "sha1" + ;; + esac +} + +hello_oid () { + case "$1" in + "sha1") + echo "$hello_sha1_oid" + ;; + "sha256") + echo "$hello_sha256_oid" + ;; + esac +} + +tree_oid () { + case "$1" in + "sha1") + echo "$tree_sha1_oid" + ;; + "sha256") + echo "$tree_sha256_oid" + ;; + esac +} + +commit_oid () { + case "$1" in + "sha1") + echo "$commit_sha1_oid" + ;; + "sha256") + echo "$commit_sha256_oid" + ;; + esac +} + +commit2_oid () { + case "$1" in + "sha1") + echo "$commit2_sha1_oid" + ;; + "sha256") + echo "$commit2_sha256_oid" + ;; + esac +} + +del_sigcommit () { + local delete="$1" + + if test "$delete" = "sha256" ; then + local pattern="gpgsig-sha256" + else + local pattern="gpgsig" + fi + test-tool delete-gpgsig "$pattern" +} + + +del_sigtag () { + local storage="$1" + local delete="$2" + + if test "$storage" = "$delete" ; then + local pattern="trailer" + elif test "$storage" = "sha256" ; then + local pattern="gpgsig" + else + local pattern="gpgsig-sha256" + fi + test-tool delete-gpgsig "$pattern" +} + +base=$(pwd) +for hash in sha1 sha256 +do + cd "$base" + mkdir -p repo-$hash + cd repo-$hash + + test_expect_success "setup $hash repository" ' + git init --object-format=$hash && + git config core.repositoryformatversion 1 && + git config extensions.objectformat $hash && + git config extensions.compatobjectformat $(compat_hash $hash) && + git config gpg.program $TEST_DIRECTORY/t1016/gpg && + echo "Hellow World!" > hello && + eval hello_${hash}_oid=$(git hash-object hello) && + git update-index --add hello && + git commit -m "Initial commit" && + eval commit_${hash}_oid=$(git rev-parse HEAD) && + eval tree_${hash}_oid=$(git rev-parse HEAD^{tree}) + ' + test_expect_success "create a $hash tagged blob" ' + git tag --no-sign -m "This is a tag" hellotag $(hello_oid $hash) && + eval hellotag_${hash}_oid=$(git rev-parse hellotag) + ' + test_expect_success "create a $hash tagged tree" ' + git tag --no-sign -m "This is a tag" treetag $(tree_oid $hash) && + eval treetag_${hash}_oid=$(git rev-parse treetag) + ' + test_expect_success "create a $hash tagged commit" ' + git tag --no-sign -m "This is a tag" committag $(commit_oid $hash) && + eval committag_${hash}_oid=$(git rev-parse committag) + ' + test_expect_success GPG2 "create a $hash signed commit" ' + git commit --gpg-sign --allow-empty -m "This is a signed commit" && + eval signedcommit_${hash}_oid=$(git rev-parse HEAD) + ' + test_expect_success GPG2 "create a $hash signed tag" ' + git tag -s -m "This is a signed tag" signedtag HEAD && + eval signedtag_${hash}_oid=$(git rev-parse signedtag) + ' + test_expect_success "create a $hash branch" ' + git checkout -b branch $(commit_oid $hash) && + echo "More more more give me more!" > more && + eval more_${hash}_oid=$(git hash-object more) && + echo "Another and another and another" > another && + eval another_${hash}_oid=$(git hash-object another) && + git update-index --add more another && + git commit -m "Add more files!" && + eval commit2_${hash}_oid=$(git rev-parse HEAD) && + eval tree2_${hash}_oid=$(git rev-parse HEAD^{tree}) + ' + test_expect_success GPG2 "create another $hash signed tag" ' + git tag -s -m "This is another signed tag" signedtag2 $(commit2_oid $hash) && + eval signedtag2_${hash}_oid=$(git rev-parse signedtag2) + ' + test_expect_success GPG2 "merge the $hash branches together" ' + git merge -S -m "merge some signed tags together" signedtag signedtag2 && + eval signedcommit2_${hash}_oid=$(git rev-parse HEAD) + ' + test_expect_success GPG2 "create additional $hash signed commits" ' + git commit --gpg-sign --allow-empty -m "This is an additional signed commit" && + git cat-file commit HEAD | del_sigcommit sha256 > "../${hash}_signedcommit3" && + git cat-file commit HEAD | del_sigcommit sha1 > "../${hash}_signedcommit4" && + eval signedcommit3_${hash}_oid=$(git hash-object -t commit -w ../${hash}_signedcommit3) && + eval signedcommit4_${hash}_oid=$(git hash-object -t commit -w ../${hash}_signedcommit4) + ' + test_expect_success GPG2 "create additional $hash signed tags" ' + git tag -s -m "This is an additional signed tag" signedtag34 HEAD && + git cat-file tag signedtag34 | del_sigtag "${hash}" sha256 > ../${hash}_signedtag3 && + git cat-file tag signedtag34 | del_sigtag "${hash}" sha1 > ../${hash}_signedtag4 && + eval signedtag3_${hash}_oid=$(git hash-object -t tag -w ../${hash}_signedtag3) && + eval signedtag4_${hash}_oid=$(git hash-object -t tag -w ../${hash}_signedtag4) + ' +done +cd "$base" + +compare_oids () { + test "$#" = 5 && { local PREREQ="$1"; shift; } || PREREQ= + local type="$1" + local name="$2" + local sha1_oid="$3" + local sha256_oid="$4" + + echo ${sha1_oid} > ${name}_sha1_expected + echo ${sha256_oid} > ${name}_sha256_expected + echo ${type} > ${name}_type_expected + + git --git-dir=repo-sha1/.git rev-parse --output-object-format=sha256 ${sha1_oid} > ${name}_sha1_sha256_found + git --git-dir=repo-sha256/.git rev-parse --output-object-format=sha1 ${sha256_oid} > ${name}_sha256_sha1_found + local sha1_sha256_oid="$(cat ${name}_sha1_sha256_found)" + local sha256_sha1_oid="$(cat ${name}_sha256_sha1_found)" + + test_expect_success $PREREQ "Verify ${type} ${name}'s sha1 oid" ' + git --git-dir=repo-sha256/.git rev-parse --output-object-format=sha1 ${sha256_oid} > ${name}_sha1 && + test_cmp ${name}_sha1 ${name}_sha1_expected +' + + test_expect_success $PREREQ "Verify ${type} ${name}'s sha256 oid" ' + git --git-dir=repo-sha1/.git rev-parse --output-object-format=sha256 ${sha1_oid} > ${name}_sha256 && + test_cmp ${name}_sha256 ${name}_sha256_expected +' + + test_expect_success $PREREQ "Verify ${name}'s sha1 type" ' + git --git-dir=repo-sha1/.git cat-file -t ${sha1_oid} > ${name}_type1 && + git --git-dir=repo-sha256/.git cat-file -t ${sha256_sha1_oid} > ${name}_type2 && + test_cmp ${name}_type1 ${name}_type2 && + test_cmp ${name}_type1 ${name}_type_expected +' + + test_expect_success $PREREQ "Verify ${name}'s sha256 type" ' + git --git-dir=repo-sha256/.git cat-file -t ${sha256_oid} > ${name}_type3 && + git --git-dir=repo-sha1/.git cat-file -t ${sha1_sha256_oid} > ${name}_type4 && + test_cmp ${name}_type3 ${name}_type4 && + test_cmp ${name}_type3 ${name}_type_expected +' + + test_expect_success $PREREQ "Verify ${name}'s sha1 size" ' + git --git-dir=repo-sha1/.git cat-file -s ${sha1_oid} > ${name}_size1 && + git --git-dir=repo-sha256/.git cat-file -s ${sha256_sha1_oid} > ${name}_size2 && + test_cmp ${name}_size1 ${name}_size2 +' + + test_expect_success $PREREQ "Verify ${name}'s sha256 size" ' + git --git-dir=repo-sha256/.git cat-file -s ${sha256_oid} > ${name}_size3 && + git --git-dir=repo-sha1/.git cat-file -s ${sha1_sha256_oid} > ${name}_size4 && + test_cmp ${name}_size3 ${name}_size4 +' + + test_expect_success $PREREQ "Verify ${name}'s sha1 pretty content" ' + git --git-dir=repo-sha1/.git cat-file -p ${sha1_oid} > ${name}_content1 && + git --git-dir=repo-sha256/.git cat-file -p ${sha256_sha1_oid} > ${name}_content2 && + test_cmp ${name}_content1 ${name}_content2 +' + + test_expect_success $PREREQ "Verify ${name}'s sha256 pretty content" ' + git --git-dir=repo-sha256/.git cat-file -p ${sha256_oid} > ${name}_content3 && + git --git-dir=repo-sha1/.git cat-file -p ${sha1_sha256_oid} > ${name}_content4 && + test_cmp ${name}_content3 ${name}_content4 +' + + test_expect_success $PREREQ "Verify ${name}'s sha1 content" ' + git --git-dir=repo-sha1/.git cat-file ${type} ${sha1_oid} > ${name}_content5 && + git --git-dir=repo-sha256/.git cat-file ${type} ${sha256_sha1_oid} > ${name}_content6 && + test_cmp ${name}_content5 ${name}_content6 +' + + test_expect_success $PREREQ "Verify ${name}'s sha256 content" ' + git --git-dir=repo-sha256/.git cat-file ${type} ${sha256_oid} > ${name}_content7 && + git --git-dir=repo-sha1/.git cat-file ${type} ${sha1_sha256_oid} > ${name}_content8 && + test_cmp ${name}_content7 ${name}_content8 +' + +} + +compare_oids 'blob' hello "$hello_sha1_oid" "$hello_sha256_oid" +compare_oids 'tree' tree "$tree_sha1_oid" "$tree_sha256_oid" +compare_oids 'commit' commit "$commit_sha1_oid" "$commit_sha256_oid" +compare_oids GPG2 'commit' signedcommit "$signedcommit_sha1_oid" "$signedcommit_sha256_oid" +compare_oids 'tag' hellotag "$hellotag_sha1_oid" "$hellotag_sha256_oid" +compare_oids 'tag' treetag "$treetag_sha1_oid" "$treetag_sha256_oid" +compare_oids 'tag' committag "$committag_sha1_oid" "$committag_sha256_oid" +compare_oids GPG2 'tag' signedtag "$signedtag_sha1_oid" "$signedtag_sha256_oid" + +compare_oids 'blob' more "$more_sha1_oid" "$more_sha256_oid" +compare_oids 'blob' another "$another_sha1_oid" "$another_sha256_oid" +compare_oids 'tree' tree2 "$tree2_sha1_oid" "$tree2_sha256_oid" +compare_oids 'commit' commit2 "$commit2_sha1_oid" "$commit2_sha256_oid" +compare_oids GPG2 'tag' signedtag2 "$signedtag2_sha1_oid" "$signedtag2_sha256_oid" +compare_oids GPG2 'commit' signedcommit2 "$signedcommit2_sha1_oid" "$signedcommit2_sha256_oid" +compare_oids GPG2 'commit' signedcommit3 "$signedcommit3_sha1_oid" "$signedcommit3_sha256_oid" +compare_oids GPG2 'commit' signedcommit4 "$signedcommit4_sha1_oid" "$signedcommit4_sha256_oid" +compare_oids GPG2 'tag' signedtag3 "$signedtag3_sha1_oid" "$signedtag3_sha256_oid" +compare_oids GPG2 'tag' signedtag4 "$signedtag4_sha1_oid" "$signedtag4_sha256_oid" + +test_done diff --git a/t/t1016/gpg b/t/t1016/gpg new file mode 100755 index 0000000000..2601cb18a5 --- /dev/null +++ b/t/t1016/gpg @@ -0,0 +1,2 @@ +#!/bin/sh +exec gpg --faked-system-time "20230918T154812" "$@" diff --git a/t/t1091-sparse-checkout-builtin.sh b/t/t1091-sparse-checkout-builtin.sh index e49b8024ac..ab3a105fff 100755 --- a/t/t1091-sparse-checkout-builtin.sh +++ b/t/t1091-sparse-checkout-builtin.sh @@ -968,7 +968,7 @@ test_expect_success 'check-rules non-cone mode' ' git -C bare sparse-checkout check-rules --no-cone --rules-file ../rules\ >check-rules-file <all-files && - cat rules | git -C repo sparse-checkout set --no-cone --stdin && + git -C repo sparse-checkout set --no-cone --stdin <rules && git -C repo ls-files -t >out && sed -n "/^S /!s/^. //p" out >ls-files && diff --git a/t/t1300-config.sh b/t/t1300-config.sh index 31c3878687..9b65d9eaf5 100755 --- a/t/t1300-config.sh +++ b/t/t1300-config.sh @@ -11,6 +11,98 @@ export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME TEST_PASSES_SANITIZE_LEAK=true . ./test-lib.sh +test_expect_success 'setup whitespace config' ' + sed -e "s/^|//" \ + -e "s/[$]$//" \ + -e "s/X/ /g" >.git/config <<-\EOF + [section] + | solid = rock + | sparse = big XX blue + | sparseAndTail = big XX blue $ + | sparseAndTailQuoted = "big XX blue " + | sparseAndBiggerTail = big XX blue X X + | sparseAndBiggerTailQuoted = "big XX blue X X" + | sparseAndBiggerTailQuotedPlus = "big XX blue X X"X $ + | headAndTail = Xbig blue $ + | headAndTailQuoted = "Xbig blue " + | headAndTailQuotedPlus = "Xbig blue " $ + | annotated = big blueX# to be discarded + | annotatedQuoted = "big blue"X# to be discarded + EOF +' + +test_expect_success 'no internal whitespace' ' + echo "rock" >expect && + git config --get section.solid >actual && + test_cmp expect actual +' + +test_expect_success 'internal whitespace' ' + echo "big QQ blue" | q_to_tab >expect && + git config --get section.sparse >actual && + test_cmp expect actual +' + +test_expect_success 'internal and trailing whitespace' ' + echo "big QQ blue" | q_to_tab >expect && + git config --get section.sparseAndTail >actual && + test_cmp expect actual +' + +test_expect_success 'internal and trailing whitespace, all quoted' ' + echo "big QQ blue " | q_to_tab >expect && + git config --get section.sparseAndTailQuoted >actual && + test_cmp expect actual +' + +test_expect_success 'internal and more trailing whitespace' ' + echo "big QQ blue" | q_to_tab >expect && + git config --get section.sparseAndBiggerTail >actual && + test_cmp expect actual +' + +test_expect_success 'internal and more trailing whitespace, all quoted' ' + echo "big QQ blue Q Q" | q_to_tab >expect && + git config --get section.sparseAndBiggerTailQuoted >actual && + test_cmp expect actual +' + +test_expect_success 'internal and more trailing whitespace, not all quoted' ' + echo "big QQ blue Q Q" | q_to_tab >expect && + git config --get section.sparseAndBiggerTailQuotedPlus >actual && + test_cmp expect actual +' + +test_expect_success 'leading and trailing whitespace' ' + echo "big blue" >expect && + git config --get section.headAndTail >actual && + test_cmp expect actual +' + +test_expect_success 'leading and trailing whitespace, all quoted' ' + echo "Qbig blue " | q_to_tab >expect && + git config --get section.headAndTailQuoted >actual && + test_cmp expect actual +' + +test_expect_success 'leading and trailing whitespace, not all quoted' ' + echo "Qbig blue " | q_to_tab >expect && + git config --get section.headAndTailQuotedPlus >actual && + test_cmp expect actual +' + +test_expect_success 'inline comment' ' + echo "big blue" >expect && + git config --get section.annotated >actual && + test_cmp expect actual +' + +test_expect_success 'inline comment, quoted' ' + echo "big blue" >expect && + git config --get section.annotatedQuoted >actual && + test_cmp expect actual +' + test_expect_success 'clear default config' ' rm -f .git/config ' @@ -69,14 +161,32 @@ test_expect_success 'replace with non-match (actually matching)' ' cat > expect << EOF [section] - penguin = very blue Movie = BadPhysics UPPERCASE = true - penguin = kingpin + penguin = gentoo # Pygoscelis papua + disposition = peckish # find fish + foo = bar #abc + spsp = value # and comment + htsp = value # and comment [Sections] WhatEver = Second EOF +test_expect_success 'append comments' ' + git config --replace-all --comment="Pygoscelis papua" section.penguin gentoo && + git config --comment="find fish" section.disposition peckish && + git config --comment="#abc" section.foo bar && + + git config --comment="and comment" section.spsp value && + git config --comment=" # and comment" section.htsp value && + + test_cmp expect .git/config +' + +test_expect_success 'Prohibited LF in comment' ' + test_must_fail git config --comment="a${LF}b" section.k v +' + test_expect_success 'non-match result' 'test_cmp expect .git/config' test_expect_success 'find mixed-case key by canonical name' ' @@ -1066,9 +1176,25 @@ test_expect_success '--null --get-regexp' ' test_cmp expect result ' -test_expect_success 'inner whitespace kept verbatim' ' - git config section.val "foo bar" && - test_cmp_config "foo bar" section.val +test_expect_success 'inner whitespace kept verbatim, spaces only' ' + echo "foo bar" >expect && + git config section.val "foo bar" && + git config --get section.val >actual && + test_cmp expect actual +' + +test_expect_success 'inner whitespace kept verbatim, horizontal tabs only' ' + echo "fooQQbar" | q_to_tab >expect && + git config section.val "$(cat expect)" && + git config --get section.val >actual && + test_cmp expect actual +' + +test_expect_success 'inner whitespace kept verbatim, horizontal tabs and spaces' ' + echo "foo Q bar" | q_to_tab >expect && + git config section.val "$(cat expect)" && + git config --get section.val >actual && + test_cmp expect actual ' test_expect_success SYMLINKS 'symlinked configuration' ' diff --git a/t/t1301-shared-repo.sh b/t/t1301-shared-repo.sh index b1eb5c01b8..29cf8a9661 100755 --- a/t/t1301-shared-repo.sh +++ b/t/t1301-shared-repo.sh @@ -52,7 +52,7 @@ test_expect_success 'shared=all' ' test 2 = $(git config core.sharedrepository) ' -test_expect_failure 'template can set core.bare' ' +test_expect_success 'template cannot set core.bare' ' test_when_finished "rm -rf subdir" && test_when_finished "rm -rf templates" && test_config core.bare true && @@ -60,18 +60,7 @@ test_expect_failure 'template can set core.bare' ' mkdir -p templates/ && cp .git/config templates/config && git init --template=templates subdir && - test_path_exists subdir/HEAD -' - -test_expect_success 'template can set core.bare but overridden by command line' ' - test_when_finished "rm -rf subdir" && - test_when_finished "rm -rf templates" && - test_config core.bare true && - umask 0022 && - mkdir -p templates/ && - cp .git/config templates/config && - git init --no-bare --template=templates subdir && - test_path_exists subdir/.git/HEAD + test_path_is_missing subdir/HEAD ' test_expect_success POSIXPERM 'update-server-info honors core.sharedRepository' ' diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh index 6ebc3ef945..ec3443cc87 100755 --- a/t/t1400-update-ref.sh +++ b/t/t1400-update-ref.sh @@ -622,7 +622,7 @@ test_expect_success 'stdin fails create with no ref' ' test_expect_success 'stdin fails create with no new value' ' echo "create $a" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: create $a: missing <newvalue>" err + grep "fatal: create $a: missing <new-oid>" err ' test_expect_success 'stdin fails create with too many arguments' ' @@ -640,7 +640,7 @@ test_expect_success 'stdin fails update with no ref' ' test_expect_success 'stdin fails update with no new value' ' echo "update $a" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: update $a: missing <newvalue>" err + grep "fatal: update $a: missing <new-oid>" err ' test_expect_success 'stdin fails update with too many arguments' ' @@ -765,21 +765,21 @@ test_expect_success 'stdin update ref fails with wrong old value' ' test_expect_success 'stdin update ref fails with bad old value' ' echo "update $c $m does-not-exist" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err && + grep "fatal: update $c: invalid <old-oid>: does-not-exist" err && test_must_fail git rev-parse --verify -q $c ' test_expect_success 'stdin create ref fails with bad new value' ' echo "create $c does-not-exist" >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: create $c: invalid <newvalue>: does-not-exist" err && + grep "fatal: create $c: invalid <new-oid>: does-not-exist" err && test_must_fail git rev-parse --verify -q $c ' test_expect_success 'stdin create ref fails with zero new value' ' echo "create $c " >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: create $c: zero <newvalue>" err && + grep "fatal: create $c: zero <new-oid>" err && test_must_fail git rev-parse --verify -q $c ' @@ -803,7 +803,7 @@ test_expect_success 'stdin delete ref fails with wrong old value' ' test_expect_success 'stdin delete ref fails with zero old value' ' echo "delete $a " >stdin && test_must_fail git update-ref --stdin <stdin 2>err && - grep "fatal: delete $a: zero <oldvalue>" err && + grep "fatal: delete $a: zero <old-oid>" err && git rev-parse $m >expect && git rev-parse $a >actual && test_cmp expect actual @@ -1027,7 +1027,7 @@ test_expect_success 'stdin -z fails create with no ref' ' test_expect_success 'stdin -z fails create with no new value' ' printf $F "create $a" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: create $a: unexpected end of input when reading <newvalue>" err + grep "fatal: create $a: unexpected end of input when reading <new-oid>" err ' test_expect_success 'stdin -z fails create with too many arguments' ' @@ -1045,27 +1045,27 @@ test_expect_success 'stdin -z fails update with no ref' ' test_expect_success 'stdin -z fails update with too few args' ' printf $F "update $a" "$m" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err + grep "fatal: update $a: unexpected end of input when reading <old-oid>" err ' test_expect_success 'stdin -z emits warning with empty new value' ' git update-ref $a $m && printf $F "update $a" "" "" >stdin && git update-ref -z --stdin <stdin 2>err && - grep "warning: update $a: missing <newvalue>, treating as zero" err && + grep "warning: update $a: missing <new-oid>, treating as zero" err && test_must_fail git rev-parse --verify -q $a ' test_expect_success 'stdin -z fails update with no new value' ' printf $F "update $a" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: update $a: unexpected end of input when reading <newvalue>" err + grep "fatal: update $a: unexpected end of input when reading <new-oid>" err ' test_expect_success 'stdin -z fails update with no old value' ' printf $F "update $a" "$m" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: update $a: unexpected end of input when reading <oldvalue>" err + grep "fatal: update $a: unexpected end of input when reading <old-oid>" err ' test_expect_success 'stdin -z fails update with too many arguments' ' @@ -1083,7 +1083,7 @@ test_expect_success 'stdin -z fails delete with no ref' ' test_expect_success 'stdin -z fails delete with no old value' ' printf $F "delete $a" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: delete $a: unexpected end of input when reading <oldvalue>" err + grep "fatal: delete $a: unexpected end of input when reading <old-oid>" err ' test_expect_success 'stdin -z fails delete with too many arguments' ' @@ -1101,7 +1101,7 @@ test_expect_success 'stdin -z fails verify with too many arguments' ' test_expect_success 'stdin -z fails verify with no old value' ' printf $F "verify $a" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: verify $a: unexpected end of input when reading <oldvalue>" err + grep "fatal: verify $a: unexpected end of input when reading <old-oid>" err ' test_expect_success 'stdin -z fails option with unknown name' ' @@ -1160,7 +1160,7 @@ test_expect_success 'stdin -z update ref fails with wrong old value' ' test_expect_success 'stdin -z update ref fails with bad old value' ' printf $F "update $c" "$m" "does-not-exist" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: update $c: invalid <oldvalue>: does-not-exist" err && + grep "fatal: update $c: invalid <old-oid>: does-not-exist" err && test_must_fail git rev-parse --verify -q $c ' @@ -1178,14 +1178,14 @@ test_expect_success 'stdin -z create ref fails with bad new value' ' git update-ref -d "$c" && printf $F "create $c" "does-not-exist" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: create $c: invalid <newvalue>: does-not-exist" err && + grep "fatal: create $c: invalid <new-oid>: does-not-exist" err && test_must_fail git rev-parse --verify -q $c ' test_expect_success 'stdin -z create ref fails with empty new value' ' printf $F "create $c" "" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: create $c: missing <newvalue>" err && + grep "fatal: create $c: missing <new-oid>" err && test_must_fail git rev-parse --verify -q $c ' @@ -1209,7 +1209,7 @@ test_expect_success 'stdin -z delete ref fails with wrong old value' ' test_expect_success 'stdin -z delete ref fails with zero old value' ' printf $F "delete $a" "$Z" >stdin && test_must_fail git update-ref -z --stdin <stdin 2>err && - grep "fatal: delete $a: zero <oldvalue>" err && + grep "fatal: delete $a: zero <old-oid>" err && git rev-parse $m >expect && git rev-parse $a >actual && test_cmp expect actual diff --git a/t/t1502-rev-parse-parseopt.sh b/t/t1502-rev-parse-parseopt.sh index f0737593c3..b754b9fd74 100755 --- a/t/t1502-rev-parse-parseopt.sh +++ b/t/t1502-rev-parse-parseopt.sh @@ -322,4 +322,15 @@ check_invalid_long_option optionspec-neg --no-positive-only check_invalid_long_option optionspec-neg --negative check_invalid_long_option optionspec-neg --no-no-negative +test_expect_success 'ambiguous: --no matches both --noble and --no-noble' ' + cat >spec <<-\EOF && + some-command [options] + -- + noble The feudal switch. + EOF + test_expect_code 129 env GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS=false \ + git rev-parse --parseopt -- <spec 2>err --no && + grep "error: ambiguous option: no (could be --noble or --no-noble)" err +' + test_done diff --git a/t/t1509/prepare-chroot.sh b/t/t1509/prepare-chroot.sh index 6d47e2c725..dc997e0a64 100755 --- a/t/t1509/prepare-chroot.sh +++ b/t/t1509/prepare-chroot.sh @@ -43,7 +43,7 @@ rsync --exclude-from t/t1509/excludes -Ha . "$R$(pwd)" # env might slip through, see test-lib.sh, unset.*PERL_PATH sed 's|^PERL_PATH=.*|PERL_PATH=/bin/true|' GIT-BUILD-OPTIONS > "$R$(pwd)/GIT-BUILD-OPTIONS" for cmd in git $BB;do - ldd $cmd | grep '/' | sed 's,.*\s\(/[^ ]*\).*,\1,' | while read i; do + ldd $cmd | sed -n '/\//s,.*\s\(/[^ ]*\).*,\1,p' | while read i; do mkdir -p "$R$(dirname $i)" cp "$i" "$R/$i" done diff --git a/t/t2020-checkout-detach.sh b/t/t2020-checkout-detach.sh index bce284c297..8d90d02850 100755 --- a/t/t2020-checkout-detach.sh +++ b/t/t2020-checkout-detach.sh @@ -176,7 +176,10 @@ test_expect_success 'tracking count is accurate after orphan check' ' git config branch.child.merge refs/heads/main && git checkout child^ && git checkout child >stdout && - test_cmp expect stdout + test_cmp expect stdout && + + git checkout --detach child >stdout && + test_grep ! "can be fast-forwarded\." stdout ' test_expect_success 'no advice given for explicit detached head state' ' diff --git a/t/t2070-restore.sh b/t/t2070-restore.sh index 16d6348b69..ac404945d4 100755 --- a/t/t2070-restore.sh +++ b/t/t2070-restore.sh @@ -5,6 +5,7 @@ test_description='restore basic functionality' GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME +TEST_PASSES_SANITIZE_LEAK=true . ./test-lib.sh test_expect_success 'setup' ' diff --git a/t/t2071-restore-patch.sh b/t/t2071-restore-patch.sh index 27e85be40a..42d5522119 100755 --- a/t/t2071-restore-patch.sh +++ b/t/t2071-restore-patch.sh @@ -2,6 +2,7 @@ test_description='git restore --patch' +TEST_PASSES_SANITIZE_LEAK=true . ./lib-patch-mode.sh test_expect_success 'setup' ' diff --git a/t/t2072-restore-pathspec-file.sh b/t/t2072-restore-pathspec-file.sh index 8198a1e578..86c9c88788 100755 --- a/t/t2072-restore-pathspec-file.sh +++ b/t/t2072-restore-pathspec-file.sh @@ -2,6 +2,7 @@ test_description='restore --pathspec-from-file' +TEST_PASSES_SANITIZE_LEAK=true . ./test-lib.sh test_tick diff --git a/t/t2104-update-index-skip-worktree.sh b/t/t2104-update-index-skip-worktree.sh index 0bab134d71..7ec7f30b44 100755 --- a/t/t2104-update-index-skip-worktree.sh +++ b/t/t2104-update-index-skip-worktree.sh @@ -11,27 +11,27 @@ TEST_PASSES_SANITIZE_LEAK=true sane_unset GIT_TEST_SPLIT_INDEX test_set_index_version () { - GIT_INDEX_VERSION="$1" - export GIT_INDEX_VERSION + GIT_INDEX_VERSION="$1" + export GIT_INDEX_VERSION } test_set_index_version 3 -cat >expect.full <<EOF -H 1 -H 2 -H sub/1 -H sub/2 -EOF +test_expect_success 'setup' ' + cat >expect.full <<-\EOF && + H 1 + H 2 + H sub/1 + H sub/2 + EOF -cat >expect.skip <<EOF -S 1 -H 2 -S sub/1 -H sub/2 -EOF + cat >expect.skip <<-\EOF && + S 1 + H 2 + S sub/1 + H sub/2 + EOF -test_expect_success 'setup' ' mkdir sub && touch ./1 ./2 sub/1 sub/2 && git add 1 2 sub/1 sub/2 && diff --git a/t/t2200-add-update.sh b/t/t2200-add-update.sh index c01492f33f..df235ac306 100755 --- a/t/t2200-add-update.sh +++ b/t/t2200-add-update.sh @@ -65,6 +65,16 @@ test_expect_success 'update did not touch untracked files' ' test_must_be_empty out ' +test_expect_success 'error out when passing untracked path' ' + git reset --hard && + echo content >>baz && + echo content >>top && + test_must_fail git add -u baz top 2>err && + test_grep -e "error: pathspec .baz. did not match any file(s) known to git" err && + git diff --cached --name-only >actual && + test_must_be_empty actual +' + test_expect_success 'cache tree has not been corrupted' ' git ls-files -s | diff --git a/t/t2400-worktree-add.sh b/t/t2400-worktree-add.sh index c28c04133c..ba320dc417 100755 --- a/t/t2400-worktree-add.sh +++ b/t/t2400-worktree-add.sh @@ -427,7 +427,7 @@ test_expect_success '"add" worktree with orphan branch, lock, and reason' ' # Note: Quoted arguments containing spaces are not supported. test_wt_add_orphan_hint () { local context="$1" && - local use_branch=$2 && + local use_branch="$2" && shift 2 && local opts="$*" && test_expect_success "'worktree add' show orphan hint in bad/orphan HEAD w/ $context" ' diff --git a/t/t3200-branch.sh b/t/t3200-branch.sh index e36f4d15f2..ccfa6a720d 100755 --- a/t/t3200-branch.sh +++ b/t/t3200-branch.sh @@ -75,13 +75,13 @@ test_expect_success 'git branch HEAD should fail' ' test_must_fail git branch HEAD ' -cat >expect <<EOF -$HEAD refs/heads/d/e/f@{0}: branch: Created from main -EOF test_expect_success 'git branch --create-reflog d/e/f should create a branch and a log' ' GIT_COMMITTER_DATE="2005-05-26 23:30" \ git -c core.logallrefupdates=false branch --create-reflog d/e/f && test_ref_exists refs/heads/d/e/f && + cat >expect <<-EOF && + $HEAD refs/heads/d/e/f@{0}: branch: Created from main + EOF git reflog show --no-abbrev-commit refs/heads/d/e/f >actual && test_cmp expect actual ' @@ -440,10 +440,10 @@ test_expect_success 'git branch --list -v with --abbrev' ' test_expect_success 'git branch --column' ' COLUMNS=81 git branch --column=column >actual && - cat >expect <<\EOF && - a/b/c bam foo l * main n o/p r - abc bar j/k m/m mb o/o q topic -EOF + cat >expect <<-\EOF && + a/b/c bam foo l * main n o/p r + abc bar j/k m/m mb o/o q topic + EOF test_cmp expect actual ' @@ -453,25 +453,25 @@ test_expect_success 'git branch --column with an extremely long branch name' ' test_when_finished "git branch -d $long" && git branch $long && COLUMNS=80 git branch --column=column >actual && - cat >expect <<EOF && - a/b/c - abc - bam - bar - foo - j/k - l - m/m -* main - mb - n - o/o - o/p - q - r - topic - $long -EOF + cat >expect <<-EOF && + a/b/c + abc + bam + bar + foo + j/k + l + m/m + * main + mb + n + o/o + o/p + q + r + topic + $long + EOF test_cmp expect actual ' @@ -481,10 +481,10 @@ test_expect_success 'git branch with column.*' ' COLUMNS=80 git branch >actual && git config --unset column.branch && git config --unset column.ui && - cat >expect <<\EOF && - a/b/c bam foo l * main n o/p r - abc bar j/k m/m mb o/o q topic -EOF + cat >expect <<-\EOF && + a/b/c bam foo l * main n o/p r + abc bar j/k m/m mb o/o q topic + EOF test_cmp expect actual ' @@ -496,39 +496,36 @@ test_expect_success 'git branch -v with column.ui ignored' ' git config column.ui column && COLUMNS=80 git branch -v | cut -c -8 | sed "s/ *$//" >actual && git config --unset column.ui && - cat >expect <<\EOF && - a/b/c - abc - bam - bar - foo - j/k - l - m/m -* main - mb - n - o/o - o/p - q - r - topic -EOF + cat >expect <<-\EOF && + a/b/c + abc + bam + bar + foo + j/k + l + m/m + * main + mb + n + o/o + o/p + q + r + topic + EOF test_cmp expect actual ' -mv .git/config .git/config-saved - test_expect_success DEFAULT_REPO_FORMAT 'git branch -m q q2 without config should succeed' ' + test_when_finished mv .git/config-saved .git/config && + mv .git/config .git/config-saved && git branch -m q q2 && git branch -m q2 q ' -mv .git/config-saved .git/config - -git config branch.s/s.dummy Hello - test_expect_success 'git branch -m s/s s should work when s/t is deleted' ' + git config branch.s/s.dummy Hello && git branch --create-reflog s/s && git reflog exists refs/heads/s/s && git branch --create-reflog s/t && @@ -579,7 +576,7 @@ EOF # ...and that the comments for those sections are also # preserved. - cat config.branch | sed "s/\"source\"/\"dest\"/" >expect && + sed "s/\"source\"/\"dest\"/" config.branch >expect && sed -n -e "/Note the lack/,\$p" .git/config >actual && test_cmp expect actual ' @@ -1112,14 +1109,14 @@ test_expect_success '--set-upstream-to notices an error to set branch as own ups test_cmp expect actual " -# Keep this test last, as it changes the current branch -cat >expect <<EOF -$HEAD refs/heads/g/h/i@{0}: branch: Created from main -EOF test_expect_success 'git checkout -b g/h/i -l should create a branch and a log' ' + test_when_finished git checkout main && GIT_COMMITTER_DATE="2005-05-26 23:30" \ git checkout -b g/h/i -l main && test_ref_exists refs/heads/g/h/i && + cat >expect <<-EOF && + $HEAD refs/heads/g/h/i@{0}: branch: Created from main + EOF git reflog show --no-abbrev-commit refs/heads/g/h/i >actual && test_cmp expect actual ' @@ -1157,9 +1154,9 @@ test_expect_success 'avoid ambiguous track and advise' ' hint: tracking ref '\''refs/heads/main'\'': hint: ambi1 hint: ambi2 - hint: '' + hint: hint: This is typically a configuration error. - hint: '' + hint: hint: To support setting up tracking branches, ensure that hint: different remotes'\'' fetch refspecs map into different hint: tracking namespaces. @@ -1696,4 +1693,14 @@ test_expect_success '--track overrides branch.autoSetupMerge' ' test_cmp_config "" --default "" branch.foo5.merge ' +test_expect_success 'errors if given a bad branch name' ' + cat <<-\EOF >expect && + fatal: '\''foo..bar'\'' is not a valid branch name + hint: See `man git check-ref-format` + hint: Disable this message with "git config advice.refSyntax false" + EOF + test_must_fail git branch foo..bar >actual 2>&1 && + test_cmp expect actual +' + test_done diff --git a/t/t3321-notes-stripspace.sh b/t/t3321-notes-stripspace.sh index 088a852dd4..beca346056 100755 --- a/t/t3321-notes-stripspace.sh +++ b/t/t3321-notes-stripspace.sh @@ -442,7 +442,7 @@ test_expect_success 'add note by specifying "-C", "--no-stripspace" is the defau ${LF} EOF - cat expect | git hash-object -w --stdin >blob && + git hash-object -w --stdin <expect >blob && git notes add -C $(cat blob) && git notes show >actual && test_cmp expect actual && @@ -468,7 +468,7 @@ test_expect_success 'reuse note by specifying "-C" and "--stripspace"' ' second-line EOF - cat data | git hash-object -w --stdin >blob && + git hash-object -w --stdin <data >blob && git notes add --stripspace -C $(cat blob) && git notes show >actual && test_cmp expect actual @@ -492,7 +492,7 @@ test_expect_success 'reuse with "-C" and add note with "-m", "-m" will stripspac third-line EOF - cat data | git hash-object -w --stdin >blob && + git hash-object -w --stdin <data >blob && git notes add -C $(cat blob) -m "third-line" && git notes show >actual && test_cmp expect actual @@ -511,7 +511,7 @@ test_expect_success 'add note with "-m" and reuse note with "-C", "-C" will not second-line EOF - cat data | git hash-object -w --stdin >blob && + git hash-object -w --stdin <data >blob && git notes add -m "first-line" -C $(cat blob) && git notes show >actual && test_cmp expect actual diff --git a/t/t3424-rebase-empty.sh b/t/t3424-rebase-empty.sh index 5e1045a0af..1ee6b00fd5 100755 --- a/t/t3424-rebase-empty.sh +++ b/t/t3424-rebase-empty.sh @@ -72,6 +72,17 @@ test_expect_success 'rebase --merge --empty=keep' ' test_cmp expect actual ' +test_expect_success 'rebase --merge --empty=stop' ' + git checkout -B testing localmods && + test_must_fail git rebase --merge --empty=stop upstream && + + git rebase --skip && + + test_write_lines D C B A >expect && + git log --format=%s >actual && + test_cmp expect actual +' + test_expect_success 'rebase --merge --empty=ask' ' git checkout -B testing localmods && test_must_fail git rebase --merge --empty=ask upstream && @@ -101,9 +112,9 @@ test_expect_success 'rebase --interactive --empty=keep' ' test_cmp expect actual ' -test_expect_success 'rebase --interactive --empty=ask' ' +test_expect_success 'rebase --interactive --empty=stop' ' git checkout -B testing localmods && - test_must_fail git rebase --interactive --empty=ask upstream && + test_must_fail git rebase --interactive --empty=stop upstream && git rebase --skip && @@ -112,7 +123,7 @@ test_expect_success 'rebase --interactive --empty=ask' ' test_cmp expect actual ' -test_expect_success 'rebase --interactive uses default of --empty=ask' ' +test_expect_success 'rebase --interactive uses default of --empty=stop' ' git checkout -B testing localmods && test_must_fail git rebase --interactive upstream && @@ -167,4 +178,42 @@ test_expect_success 'rebase --merge does not leave state laying around' ' test_path_is_missing .git/MERGE_MSG ' +test_expect_success 'rebase --exec --empty=drop' ' + git checkout -B testing localmods && + git rebase --exec "true" --empty=drop upstream && + + test_write_lines D C B A >expect && + git log --format=%s >actual && + test_cmp expect actual +' + +test_expect_success 'rebase --exec --empty=keep' ' + git checkout -B testing localmods && + git rebase --exec "true" --empty=keep upstream && + + test_write_lines D C2 C B A >expect && + git log --format=%s >actual && + test_cmp expect actual +' + +test_expect_success 'rebase --exec uses default of --empty=keep' ' + git checkout -B testing localmods && + git rebase --exec "true" upstream && + + test_write_lines D C2 C B A >expect && + git log --format=%s >actual && + test_cmp expect actual +' + +test_expect_success 'rebase --exec --empty=stop' ' + git checkout -B testing localmods && + test_must_fail git rebase --exec "true" --empty=stop upstream && + + git rebase --skip && + + test_write_lines D C B A >expect && + git log --format=%s >actual && + test_cmp expect actual +' + test_done diff --git a/t/t3438-rebase-broken-files.sh b/t/t3438-rebase-broken-files.sh index c614c4f2e4..821f08e5af 100755 --- a/t/t3438-rebase-broken-files.sh +++ b/t/t3438-rebase-broken-files.sh @@ -58,4 +58,13 @@ test_expect_success 'unknown key in author-script' ' check_resolve_fails ' +test_expect_success POSIXPERM,SANITY 'unwritable rebased-patches does not leak' ' + >.git/rebased-patches && + chmod a-w .git/rebased-patches && + + git checkout -b side HEAD^ && + test_commit unrelated && + test_must_fail git rebase --apply --onto tmp HEAD^ +' + test_done diff --git a/t/t3501-revert-cherry-pick.sh b/t/t3501-revert-cherry-pick.sh index aeab689a98..411027fb58 100755 --- a/t/t3501-revert-cherry-pick.sh +++ b/t/t3501-revert-cherry-pick.sh @@ -104,11 +104,19 @@ test_expect_success 'revert forbidden on dirty working tree' ' ' test_expect_success 'cherry-pick on unborn branch' ' - git checkout --orphan unborn && + git switch --orphan unborn && git rm --cached -r . && - rm -rf * && git cherry-pick initial && - git diff --quiet initial && + git diff --exit-code initial && + test_cmp_rev ! initial HEAD +' + +test_expect_success 'cherry-pick on unborn branch with --allow-empty' ' + git checkout --detach && + git branch -D unborn && + git switch --orphan unborn && + git cherry-pick initial --allow-empty && + git diff --exit-code initial && test_cmp_rev ! initial HEAD ' @@ -170,6 +178,7 @@ test_expect_success 'advice from failed revert' ' hint: You can instead skip this commit with "git revert --skip". hint: To abort and get back to the state before "git revert", hint: run "git revert --abort". + hint: Disable this message with "git config advice.mergeConflict false" EOF test_commit --append --no-tag "double-add dream" dream dream && test_must_fail git revert HEAD^ 2>actual && diff --git a/t/t3505-cherry-pick-empty.sh b/t/t3505-cherry-pick-empty.sh index eba3c38d5a..9748443530 100755 --- a/t/t3505-cherry-pick-empty.sh +++ b/t/t3505-cherry-pick-empty.sh @@ -84,7 +84,7 @@ test_expect_success 'cherry-pick a commit that becomes no-op (prep)' ' git commit -m "add file2 on the side" ' -test_expect_success 'cherry-pick a no-op without --keep-redundant' ' +test_expect_success 'cherry-pick a no-op with neither --keep-redundant nor --empty' ' git reset --hard && git checkout fork^0 && test_must_fail git cherry-pick main @@ -99,4 +99,53 @@ test_expect_success 'cherry-pick a no-op with --keep-redundant' ' test_cmp expect actual ' +test_expect_success '--keep-redundant-commits is incompatible with operations' ' + test_must_fail git cherry-pick HEAD 2>output && + test_grep "The previous cherry-pick is now empty" output && + test_must_fail git cherry-pick --keep-redundant-commits --continue 2>output && + test_grep "fatal: cherry-pick: --keep-redundant-commits cannot be used with --continue" output && + test_must_fail git cherry-pick --keep-redundant-commits --skip 2>output && + test_grep "fatal: cherry-pick: --keep-redundant-commits cannot be used with --skip" output && + test_must_fail git cherry-pick --keep-redundant-commits --abort 2>output && + test_grep "fatal: cherry-pick: --keep-redundant-commits cannot be used with --abort" output && + test_must_fail git cherry-pick --keep-redundant-commits --quit 2>output && + test_grep "fatal: cherry-pick: --keep-redundant-commits cannot be used with --quit" output && + git cherry-pick --abort +' + +test_expect_success '--empty is incompatible with operations' ' + test_must_fail git cherry-pick HEAD 2>output && + test_grep "The previous cherry-pick is now empty" output && + test_must_fail git cherry-pick --empty=stop --continue 2>output && + test_grep "fatal: cherry-pick: --empty cannot be used with --continue" output && + test_must_fail git cherry-pick --empty=stop --skip 2>output && + test_grep "fatal: cherry-pick: --empty cannot be used with --skip" output && + test_must_fail git cherry-pick --empty=stop --abort 2>output && + test_grep "fatal: cherry-pick: --empty cannot be used with --abort" output && + test_must_fail git cherry-pick --empty=stop --quit 2>output && + test_grep "fatal: cherry-pick: --empty cannot be used with --quit" output && + git cherry-pick --abort +' + +test_expect_success 'cherry-pick a no-op with --empty=stop' ' + git reset --hard && + git checkout fork^0 && + test_must_fail git cherry-pick --empty=stop main 2>output && + test_grep "The previous cherry-pick is now empty" output +' + +test_expect_success 'cherry-pick a no-op with --empty=drop' ' + git reset --hard && + git checkout fork^0 && + git cherry-pick --empty=drop main && + test_commit_message HEAD -m "add file2 on the side" +' + +test_expect_success 'cherry-pick a no-op with --empty=keep' ' + git reset --hard && + git checkout fork^0 && + git cherry-pick --empty=keep main && + test_commit_message HEAD -m "add file2 on main" +' + test_done diff --git a/t/t3507-cherry-pick-conflict.sh b/t/t3507-cherry-pick-conflict.sh index c88d597b12..f3947b400a 100755 --- a/t/t3507-cherry-pick-conflict.sh +++ b/t/t3507-cherry-pick-conflict.sh @@ -60,6 +60,7 @@ test_expect_success 'advice from failed cherry-pick' ' hint: You can instead skip this commit with "git cherry-pick --skip". hint: To abort and get back to the state before "git cherry-pick", hint: run "git cherry-pick --abort". + hint: Disable this message with "git config advice.mergeConflict false" EOF test_must_fail git cherry-pick picked 2>actual && @@ -74,6 +75,7 @@ test_expect_success 'advice from failed cherry-pick --no-commit' " error: could not apply \$picked... picked hint: after resolving the conflicts, mark the corrected paths hint: with 'git add <paths>' or 'git rm <paths>' + hint: Disable this message with \"git config advice.mergeConflict false\" EOF test_must_fail git cherry-pick --no-commit picked 2>actual && diff --git a/t/t3510-cherry-pick-sequence.sh b/t/t3510-cherry-pick-sequence.sh index 72020a51c4..7eb52b12ed 100755 --- a/t/t3510-cherry-pick-sequence.sh +++ b/t/t3510-cherry-pick-sequence.sh @@ -90,6 +90,38 @@ test_expect_success 'cherry-pick persists opts correctly' ' test_cmp expect actual ' +test_expect_success 'cherry-pick persists --empty=stop correctly' ' + pristine_detach yetanotherpick && + # Picking `anotherpick` forces a conflict so that we stop. That + # commit is then skipped, after which we pick `yetanotherpick` + # while already on `yetanotherpick` to cause an empty commit + test_must_fail git cherry-pick --empty=stop anotherpick yetanotherpick && + test_must_fail git cherry-pick --skip 2>msg && + test_grep "The previous cherry-pick is now empty" msg && + rm msg && + git cherry-pick --abort +' + +test_expect_success 'cherry-pick persists --empty=drop correctly' ' + pristine_detach yetanotherpick && + # Picking `anotherpick` forces a conflict so that we stop. That + # commit is then skipped, after which we pick `yetanotherpick` + # while already on `yetanotherpick` to cause an empty commit + test_must_fail git cherry-pick --empty=drop anotherpick yetanotherpick && + git cherry-pick --skip && + test_cmp_rev yetanotherpick HEAD +' + +test_expect_success 'cherry-pick persists --empty=keep correctly' ' + pristine_detach yetanotherpick && + # Picking `anotherpick` forces a conflict so that we stop. That + # commit is then skipped, after which we pick `yetanotherpick` + # while already on `yetanotherpick` to cause an empty commit + test_must_fail git cherry-pick --empty=keep anotherpick yetanotherpick && + git cherry-pick --skip && + test_cmp_rev yetanotherpick HEAD^ +' + test_expect_success 'revert persists opts correctly' ' pristine_detach initial && # to make sure that the session to revert a sequence diff --git a/t/t3700-add.sh b/t/t3700-add.sh index f23d39f0d5..839c904745 100755 --- a/t/t3700-add.sh +++ b/t/t3700-add.sh @@ -28,6 +28,16 @@ test_expect_success 'Test of git add' ' touch foo && git add foo ' +test_expect_success 'Test with no pathspecs' ' + cat >expect <<-EOF && + Nothing specified, nothing added. + hint: Maybe you wanted to say ${SQ}git add .${SQ}? + hint: Disable this message with "git config advice.addEmptyPathspec false" + EOF + git add 2>actual && + test_cmp expect actual +' + test_expect_success 'Post-check that foo is in the index' ' git ls-files foo | grep foo ' @@ -339,6 +349,40 @@ test_expect_success '"git add ." in empty repo' ' ) ' +test_expect_success '"git add" a embedded repository' ' + rm -fr outer && git init outer && + ( + cd outer && + for i in 1 2 + do + name=inner$i && + git init $name && + git -C $name commit --allow-empty -m $name || + return 1 + done && + git add . 2>actual && + cat >expect <<-EOF && + warning: adding embedded git repository: inner1 + hint: You${SQ}ve added another git repository inside your current repository. + hint: Clones of the outer repository will not contain the contents of + hint: the embedded repository and will not know how to obtain it. + hint: If you meant to add a submodule, use: + hint: + hint: git submodule add <url> inner1 + hint: + hint: If you added this path by mistake, you can remove it from the + hint: index with: + hint: + hint: git rm --cached inner1 + hint: + hint: See "git help submodule" for more information. + hint: Disable this message with "git config advice.addEmbeddedRepo false" + warning: adding embedded git repository: inner2 + EOF + test_cmp expect actual + ) +' + test_expect_success 'error on a repository with no commits' ' rm -fr empty && git init empty && @@ -370,8 +414,7 @@ cat >expect.err <<\EOF The following paths are ignored by one of your .gitignore files: ignored-file hint: Use -f if you really want to add them. -hint: Turn this message off by running -hint: "git config advice.addIgnoredFile false" +hint: Disable this message with "git config advice.addIgnoredFile false" EOF cat >expect.out <<\EOF add 'track-this' diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh index 0b5339ac6c..bc55255b0a 100755 --- a/t/t3701-add-interactive.sh +++ b/t/t3701-add-interactive.sh @@ -325,9 +325,9 @@ test_expect_success 'different prompts for mode change/deleted' ' git -c core.filemode=true add -p >actual && sed -n "s/^\(([0-9/]*) Stage .*?\).*/\1/p" actual >actual.filtered && cat >expect <<-\EOF && - (1/1) Stage deletion [y,n,q,a,d,?]? - (1/2) Stage mode change [y,n,q,a,d,j,J,g,/,?]? - (2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]? + (1/1) Stage deletion [y,n,q,a,d,p,?]? + (1/2) Stage mode change [y,n,q,a,d,j,J,g,/,p,?]? + (2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,p,?]? EOF test_cmp expect actual.filtered ' @@ -514,13 +514,13 @@ test_expect_success 'split hunk setup' ' test_expect_success 'goto hunk' ' test_when_finished "git reset" && tr _ " " >expect <<-EOF && - (2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]? + 1: -1,2 +1,3 +15 + (2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,p,?]? + 1: -1,2 +1,3 +15 _ 2: -2,4 +3,8 +21 go to which hunk? @@ -1,2 +1,3 @@ _10 +15 _20 - (1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]?_ + (1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,p,?]?_ EOF test_write_lines s y g 1 | git add -p >actual && tail -n 7 <actual >actual.trimmed && @@ -530,11 +530,11 @@ test_expect_success 'goto hunk' ' test_expect_success 'navigate to hunk via regex' ' test_when_finished "git reset" && tr _ " " >expect <<-EOF && - (2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]? @@ -1,2 +1,3 @@ + (2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,p,?]? @@ -1,2 +1,3 @@ _10 +15 _20 - (1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]?_ + (1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,p,?]?_ EOF test_write_lines s y /1,2 | git add -p >actual && tail -n 5 <actual >actual.trimmed && @@ -715,21 +715,21 @@ test_expect_success 'colors can be overridden' ' <BLUE>+<RESET><BLUE>new<RESET> <CYAN> more-context<RESET> <BLUE>+<RESET><BLUE>another-one<RESET> - <YELLOW>(1/1) Stage this hunk [y,n,q,a,d,s,e,?]? <RESET><BOLD>Split into 2 hunks.<RESET> + <YELLOW>(1/1) Stage this hunk [y,n,q,a,d,s,e,p,?]? <RESET><BOLD>Split into 2 hunks.<RESET> <MAGENTA>@@ -1,3 +1,3 @@<RESET> <CYAN> context<RESET> <BOLD>-old<RESET> <BLUE>+<RESET><BLUE>new<RESET> <CYAN> more-context<RESET> - <YELLOW>(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]? <RESET><MAGENTA>@@ -3 +3,2 @@<RESET> + <YELLOW>(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,p,?]? <RESET><MAGENTA>@@ -3 +3,2 @@<RESET> <CYAN> more-context<RESET> <BLUE>+<RESET><BLUE>another-one<RESET> - <YELLOW>(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,?]? <RESET><MAGENTA>@@ -1,3 +1,3 @@<RESET> + <YELLOW>(2/2) Stage this hunk [y,n,q,a,d,K,g,/,e,p,?]? <RESET><MAGENTA>@@ -1,3 +1,3 @@<RESET> <CYAN> context<RESET> <BOLD>-old<RESET> <BLUE>+new<RESET> <CYAN> more-context<RESET> - <YELLOW>(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,?]? <RESET> + <YELLOW>(1/2) Stage this hunk [y,n,q,a,d,j,J,g,/,e,p,?]? <RESET> EOF test_cmp expect actual ' diff --git a/t/t3920-crlf-messages.sh b/t/t3920-crlf-messages.sh index 67fd2345af..50ae222f08 100755 --- a/t/t3920-crlf-messages.sh +++ b/t/t3920-crlf-messages.sh @@ -10,7 +10,7 @@ LIB_CRLF_BRANCHES="" create_crlf_ref () { branch="$1" && cat >.crlf-orig-$branch.txt && - cat .crlf-orig-$branch.txt | append_cr >.crlf-message-$branch.txt && + append_cr <.crlf-orig-$branch.txt >.crlf-message-$branch.txt && grep 'Subject' .crlf-orig-$branch.txt | tr '\n' ' ' | sed 's/[ ]*$//' | tr -d '\n' >.crlf-subject-$branch.txt && grep 'Body' .crlf-orig-$branch.txt | append_cr >.crlf-body-$branch.txt && LIB_CRLF_BRANCHES="${LIB_CRLF_BRANCHES} ${branch}" && @@ -97,7 +97,7 @@ test_expect_success 'branch: --verbose works with messages using CRLF' ' git branch -v >tmp && # Remove first two columns, and the line for the currently checked out branch current=$(git branch --show-current) && - grep -v $current <tmp | awk "{\$1=\$2=\"\"}1" >actual && + awk "/$current/ { next } { \$1 = \$2 = \"\" } 1" <tmp >actual && test_cmp expect actual ' diff --git a/t/t4002-diff-basic.sh b/t/t4002-diff-basic.sh index 7afc883ec3..cb3307010c 100755 --- a/t/t4002-diff-basic.sh +++ b/t/t4002-diff-basic.sh @@ -405,7 +405,7 @@ test_expect_success 'diff-tree -r B A == diff-tree -r -R A B' ' test_expect_success 'diff can read from stdin' ' test_must_fail git diff --no-index -- MN - < NN | - grep -v "^index" | sed "s#/-#/NN#" >.test-a && + sed "/^index/d; s#/-#/NN#" >.test-a && test_must_fail git diff --no-index -- MN NN | grep -v "^index" >.test-b && test_cmp .test-a .test-b diff --git a/t/t4011-diff-symlink.sh b/t/t4011-diff-symlink.sh index d7a5f7ae78..bc8ba88719 100755 --- a/t/t4011-diff-symlink.sh +++ b/t/t4011-diff-symlink.sh @@ -13,13 +13,13 @@ TEST_PASSES_SANITIZE_LEAK=true # Print the short OID of a symlink with the given name. symlink_oid () { - local oid=$(printf "%s" "$1" | git hash-object --stdin) && + local oid="$(printf "%s" "$1" | git hash-object --stdin)" && git rev-parse --short "$oid" } # Print the short OID of the given file. short_oid () { - local oid=$(git hash-object "$1") && + local oid="$(git hash-object "$1")" && git rev-parse --short "$oid" } diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh index 1e3b2dbea4..3855d68dbc 100755 --- a/t/t4013-diff-various.sh +++ b/t/t4013-diff-various.sh @@ -633,8 +633,8 @@ check_prefix () { test_cmp expect actual.paths } -test_expect_success 'diff-files does not respect diff.noprefix' ' - git -c diff.noprefix diff-files -p >actual && +test_expect_success 'diff-files does not respect diff.noPrefix' ' + git -c diff.noPrefix diff-files -p >actual && check_prefix actual a/file0 b/file0 ' @@ -643,23 +643,58 @@ test_expect_success 'diff-files respects --no-prefix' ' check_prefix actual file0 file0 ' -test_expect_success 'diff respects diff.noprefix' ' - git -c diff.noprefix diff >actual && +test_expect_success 'diff respects diff.noPrefix' ' + git -c diff.noPrefix diff >actual && check_prefix actual file0 file0 ' -test_expect_success 'diff --default-prefix overrides diff.noprefix' ' - git -c diff.noprefix diff --default-prefix >actual && +test_expect_success 'diff --default-prefix overrides diff.noPrefix' ' + git -c diff.noPrefix diff --default-prefix >actual && check_prefix actual a/file0 b/file0 ' -test_expect_success 'diff respects diff.mnemonicprefix' ' - git -c diff.mnemonicprefix diff >actual && +test_expect_success 'diff respects diff.mnemonicPrefix' ' + git -c diff.mnemonicPrefix diff >actual && check_prefix actual i/file0 w/file0 ' -test_expect_success 'diff --default-prefix overrides diff.mnemonicprefix' ' - git -c diff.mnemonicprefix diff --default-prefix >actual && +test_expect_success 'diff --default-prefix overrides diff.mnemonicPrefix' ' + git -c diff.mnemonicPrefix diff --default-prefix >actual && + check_prefix actual a/file0 b/file0 +' + +test_expect_success 'diff respects diff.srcPrefix' ' + git -c diff.srcPrefix=x/ diff >actual && + check_prefix actual x/file0 b/file0 +' + +test_expect_success 'diff respects diff.dstPrefix' ' + git -c diff.dstPrefix=y/ diff >actual && + check_prefix actual a/file0 y/file0 +' + +test_expect_success 'diff --src-prefix overrides diff.srcPrefix' ' + git -c diff.srcPrefix=y/ diff --src-prefix=z/ >actual && + check_prefix actual z/file0 b/file0 +' + +test_expect_success 'diff --dst-prefix overrides diff.dstPrefix' ' + git -c diff.dstPrefix=y/ diff --dst-prefix=z/ >actual && + check_prefix actual a/file0 z/file0 +' + +test_expect_success 'diff.{src,dst}Prefix ignored with diff.noPrefix' ' + git -c diff.dstPrefix=y/ -c diff.srcPrefix=x/ -c diff.noPrefix diff >actual && + check_prefix actual file0 file0 +' + +test_expect_success 'diff.{src,dst}Prefix ignored with diff.mnemonicPrefix' ' + git -c diff.dstPrefix=x/ -c diff.srcPrefix=y/ -c diff.mnemonicPrefix diff >actual && + check_prefix actual i/file0 w/file0 +' + +test_expect_success 'diff.{src,dst}Prefix ignored with --default-prefix' ' + git -c diff.dstPrefix=x/ -c diff.srcPrefix=y/ diff --default-prefix >actual && check_prefix actual a/file0 b/file0 ' diff --git a/t/t4020-diff-external.sh b/t/t4020-diff-external.sh index c1ac09ecc7..fdd865f7c3 100755 --- a/t/t4020-diff-external.sh +++ b/t/t4020-diff-external.sh @@ -232,7 +232,7 @@ keep_only_cr () { test_expect_success 'external diff with autocrlf = true' ' test_config core.autocrlf true && GIT_EXTERNAL_DIFF=./fake-diff.sh git diff && - test $(wc -l < crlfed.txt) = $(cat crlfed.txt | keep_only_cr | wc -c) + test $(wc -l <crlfed.txt) = $(keep_only_cr <crlfed.txt | wc -c) ' test_expect_success 'diff --cached' ' diff --git a/t/t4126-apply-empty.sh b/t/t4126-apply-empty.sh index ece9fae207..56210b5609 100755 --- a/t/t4126-apply-empty.sh +++ b/t/t4126-apply-empty.sh @@ -66,4 +66,28 @@ test_expect_success 'apply --index create' ' git diff --exit-code ' +test_expect_success !MINGW 'apply with no-contents and a funny pathname' ' + test_when_finished "rm -fr \"funny \"; git reset --hard" && + + mkdir "funny " && + >"funny /empty" && + git add "funny /empty" && + git diff HEAD -- "funny /" >sample.patch && + git diff -R HEAD -- "funny /" >elpmas.patch && + + git reset --hard && + + git apply --stat --check --apply sample.patch && + test_must_be_empty "funny /empty" && + + git apply --stat --check --apply elpmas.patch && + test_path_is_missing "funny /empty" && + + git apply -R --stat --check --apply elpmas.patch && + test_must_be_empty "funny /empty" && + + git apply -R --stat --check --apply sample.patch && + test_path_is_missing "funny /empty" +' + test_done diff --git a/t/t4150-am.sh b/t/t4150-am.sh index 3b12576269..5e2b6c80ea 100755 --- a/t/t4150-am.sh +++ b/t/t4150-am.sh @@ -1224,8 +1224,8 @@ test_expect_success 'record as an empty commit when meeting e-mail message that test_expect_success 'skip an empty patch in the middle of an am session' ' git checkout empty-commit^ && - test_must_fail git am empty-commit.patch >err && - grep "Patch is empty." err && + test_must_fail git am empty-commit.patch >out 2>err && + grep "Patch is empty." out && grep "To record the empty patch as an empty commit, run \"git am --allow-empty\"." err && git am --skip && test_path_is_missing .git/rebase-apply && @@ -1236,8 +1236,8 @@ test_expect_success 'skip an empty patch in the middle of an am session' ' test_expect_success 'record an empty patch as an empty commit in the middle of an am session' ' git checkout empty-commit^ && - test_must_fail git am empty-commit.patch >err && - grep "Patch is empty." err && + test_must_fail git am empty-commit.patch >out 2>err && + grep "Patch is empty." out && grep "To record the empty patch as an empty commit, run \"git am --allow-empty\"." err && git am --allow-empty >output && grep "No changes - recorded it as an empty commit." output && diff --git a/t/t4201-shortlog.sh b/t/t4201-shortlog.sh index d7382709fc..f698d0c9ad 100755 --- a/t/t4201-shortlog.sh +++ b/t/t4201-shortlog.sh @@ -312,6 +312,38 @@ test_expect_success 'shortlog de-duplicates trailers in a single commit' ' test_cmp expect actual ' +# Trailers that have unfolded (single line) and folded (multiline) values which +# are otherwise identical are treated as the same trailer for de-duplication. +test_expect_success 'shortlog de-duplicates trailers in a single commit (folded/unfolded values)' ' + git commit --allow-empty -F - <<-\EOF && + subject one + + this message has two distinct values, plus a repeat (folded) + + Repeated-trailer: Foo foo foo + Repeated-trailer: Bar + Repeated-trailer: Foo + foo foo + EOF + + git commit --allow-empty -F - <<-\EOF && + subject two + + similar to the previous, but without the second distinct value + + Repeated-trailer: Foo foo foo + Repeated-trailer: Foo + foo foo + EOF + + cat >expect <<-\EOF && + 2 Foo foo foo + 1 Bar + EOF + git shortlog -ns --group=trailer:repeated-trailer -2 HEAD >actual && + test_cmp expect actual +' + test_expect_success 'shortlog can match multiple groups' ' git commit --allow-empty -F - <<-\EOF && subject one diff --git a/t/t4205-log-pretty-formats.sh b/t/t4205-log-pretty-formats.sh index e3d655e6b8..158b49d4b6 100755 --- a/t/t4205-log-pretty-formats.sh +++ b/t/t4205-log-pretty-formats.sh @@ -30,40 +30,46 @@ test_expect_success 'set up basic repos' ' >bar && git add foo && test_tick && - git config i18n.commitEncoding $test_encoding && + test_config i18n.commitEncoding $test_encoding && commit_msg $test_encoding | git commit -F - && git add bar && test_tick && - git commit -m "add bar" && - git config --unset i18n.commitEncoding + git commit -m "add bar" ' test_expect_success 'alias builtin format' ' git log --pretty=oneline >expected && - git config pretty.test-alias oneline && + test_config pretty.test-alias oneline && git log --pretty=test-alias >actual && test_cmp expected actual ' test_expect_success 'alias masking builtin format' ' git log --pretty=oneline >expected && - git config pretty.oneline "%H" && + test_config pretty.oneline "%H" && git log --pretty=oneline >actual && test_cmp expected actual ' test_expect_success 'alias user-defined format' ' git log --pretty="format:%h" >expected && - git config pretty.test-alias "format:%h" && + test_config pretty.test-alias "format:%h" && git log --pretty=test-alias >actual && test_cmp expected actual ' +test_expect_success 'alias user-defined format is matched case-insensitively' ' + git log --pretty="format:%h" >expected && + test_config pretty.testone "format:%h" && + test_config pretty.testtwo testOne && + git log --pretty=testTwo >actual && + test_cmp expected actual +' + test_expect_success 'alias user-defined tformat with %s (ISO8859-1 encoding)' ' - git config i18n.logOutputEncoding $test_encoding && + test_config i18n.logOutputEncoding $test_encoding && git log --oneline >expected-s && git log --pretty="tformat:%h %s" >actual-s && - git config --unset i18n.logOutputEncoding && test_cmp expected-s actual-s ' @@ -75,34 +81,34 @@ test_expect_success 'alias user-defined tformat with %s (utf-8 encoding)' ' test_expect_success 'alias user-defined tformat' ' git log --pretty="tformat:%h" >expected && - git config pretty.test-alias "tformat:%h" && + test_config pretty.test-alias "tformat:%h" && git log --pretty=test-alias >actual && test_cmp expected actual ' test_expect_success 'alias non-existent format' ' - git config pretty.test-alias format-that-will-never-exist && + test_config pretty.test-alias format-that-will-never-exist && test_must_fail git log --pretty=test-alias ' test_expect_success 'alias of an alias' ' git log --pretty="tformat:%h" >expected && - git config pretty.test-foo "tformat:%h" && - git config pretty.test-bar test-foo && + test_config pretty.test-foo "tformat:%h" && + test_config pretty.test-bar test-foo && git log --pretty=test-bar >actual && test_cmp expected actual ' test_expect_success 'alias masking an alias' ' git log --pretty=format:"Two %H" >expected && - git config pretty.duplicate "format:One %H" && - git config --add pretty.duplicate "format:Two %H" && + test_config pretty.duplicate "format:One %H" && + test_config pretty.duplicate "format:Two %H" --add && git log --pretty=duplicate >actual && test_cmp expected actual ' test_expect_success 'alias loop' ' - git config pretty.test-foo test-bar && - git config pretty.test-bar test-foo && + test_config pretty.test-foo test-bar && + test_config pretty.test-bar test-foo && test_must_fail git log --pretty=test-foo ' @@ -156,7 +162,7 @@ test_expect_success 'NUL termination with --reflog --pretty=oneline' ' for r in $revs do git show -s --pretty=oneline "$r" >raw && - cat raw | lf_to_nul || return 1 + lf_to_nul <raw || return 1 done >expect && # the trailing NUL is already produced so we do not need to # output another one diff --git a/t/t4210-log-i18n.sh b/t/t4210-log-i18n.sh index d2dfcf164e..75216f19ce 100755 --- a/t/t4210-log-i18n.sh +++ b/t/t4210-log-i18n.sh @@ -64,7 +64,7 @@ test_expect_success 'log --grep does not find non-reencoded values (latin1)' ' ' triggers_undefined_behaviour () { - local engine=$1 + local engine="$1" case $engine in fixed) @@ -85,7 +85,7 @@ triggers_undefined_behaviour () { } mismatched_git_log () { - local pattern=$1 + local pattern="$1" LC_ALL=$is_IS_locale git log --encoding=ISO-8859-1 --format=%s \ --grep=$pattern diff --git a/t/t4254-am-corrupt.sh b/t/t4254-am-corrupt.sh index 45f1d4f95e..661feb6070 100755 --- a/t/t4254-am-corrupt.sh +++ b/t/t4254-am-corrupt.sh @@ -59,7 +59,7 @@ test_expect_success setup ' # Also, it had the unwanted side-effect of deleting f. test_expect_success 'try to apply corrupted patch' ' test_when_finished "git am --abort" && - test_must_fail git -c advice.amWorkDir=false am bad-patch.diff 2>actual && + test_must_fail git -c advice.amWorkDir=false -c advice.mergeConflict=false am bad-patch.diff 2>actual && echo "error: git diff header lacks filename information (line 4)" >expected && test_path_is_file f && test_cmp expected actual diff --git a/t/t4301-merge-tree-write-tree.sh b/t/t4301-merge-tree-write-tree.sh index 12ac436873..eea19907b5 100755 --- a/t/t4301-merge-tree-write-tree.sh +++ b/t/t4301-merge-tree-write-tree.sh @@ -313,7 +313,7 @@ test_expect_success 'rename/add handling' ' # First, check that the bar that appears at stage 3 does not # correspond to an individual blob anywhere in history # - hash=$(cat out | tr "\0" "\n" | head -n 3 | grep 3.bar | cut -f 2 -d " ") && + hash=$(tr "\0" "\n" <out | head -n 3 | grep 3.bar | cut -f 2 -d " ") && git rev-list --objects --all >all_blobs && ! grep $hash all_blobs && @@ -380,7 +380,7 @@ test_expect_success SYMLINKS 'rename/add, where add is a mode conflict' ' # First, check that the bar that appears at stage 3 does not # correspond to an individual blob anywhere in history # - hash=$(cat out | tr "\0" "\n" | head -n 3 | grep 3.bar | cut -f 2 -d " ") && + hash=$(tr "\0" "\n" <out | head -n 3 | grep 3.bar | cut -f 2 -d " ") && git rev-list --objects --all >all_blobs && ! grep $hash all_blobs && @@ -630,8 +630,8 @@ test_expect_success 'mod6: chains of rename/rename(1to2) and add/add via collidi # conflict entries do not appear as individual blobs anywhere # in history. # - hash1=$(cat out | tr "\0" "\n" | head | grep 2.four | cut -f 2 -d " ") && - hash2=$(cat out | tr "\0" "\n" | head | grep 3.two | cut -f 2 -d " ") && + hash1=$(tr "\0" "\n" <out | head | grep 2.four | cut -f 2 -d " ") && + hash2=$(tr "\0" "\n" <out | head | grep 3.two | cut -f 2 -d " ") && git rev-list --objects --all >all_blobs && ! grep $hash1 all_blobs && ! grep $hash2 all_blobs && @@ -945,4 +945,49 @@ test_expect_success 'check the input format when --stdin is passed' ' test_cmp expect actual ' +test_expect_success '--merge-base with tree OIDs' ' + git merge-tree --merge-base=side1^ side1 side3 >with-commits && + git merge-tree --merge-base=side1^^{tree} side1^{tree} side3^{tree} >with-trees && + test_cmp with-commits with-trees +' + +test_expect_success 'error out on missing tree objects' ' + git init --bare missing-tree.git && + git rev-list side3 >list && + git rev-parse side3^: >>list && + git pack-objects missing-tree.git/objects/pack/side3-tree-is-missing <list && + side3=$(git rev-parse side3) && + test_must_fail git --git-dir=missing-tree.git merge-tree $side3^ $side3 >actual 2>err && + test_grep "Could not read $(git rev-parse $side3:)" err && + test_must_be_empty actual +' + +test_expect_success 'error out on missing blob objects' ' + echo 1 | git hash-object -w --stdin >blob1 && + echo 2 | git hash-object -w --stdin >blob2 && + echo 3 | git hash-object -w --stdin >blob3 && + printf "100644 blob $(cat blob1)\tblob\n" | git mktree >tree1 && + printf "100644 blob $(cat blob2)\tblob\n" | git mktree >tree2 && + printf "100644 blob $(cat blob3)\tblob\n" | git mktree >tree3 && + git init --bare missing-blob.git && + cat blob1 blob3 tree1 tree2 tree3 | + git pack-objects missing-blob.git/objects/pack/side1-whatever-is-missing && + test_must_fail git --git-dir=missing-blob.git >actual 2>err \ + merge-tree --merge-base=$(cat tree1) $(cat tree2) $(cat tree3) && + test_grep "unable to read blob object $(cat blob2)" err && + test_must_be_empty actual +' + +test_expect_success 'error out on missing commits as well' ' + git init --bare missing-commit.git && + git rev-list --objects side1 side3 >list-including-initial && + grep -v ^$(git rev-parse side1^) <list-including-initial >list && + git pack-objects missing-commit.git/objects/pack/missing-initial <list && + side1=$(git rev-parse side1) && + side3=$(git rev-parse side3) && + test_must_fail git --git-dir=missing-commit.git \ + merge-tree --allow-unrelated-histories $side1 $side3 >actual && + test_must_be_empty actual +' + test_done diff --git a/t/t5100-mailinfo.sh b/t/t5100-mailinfo.sh index 654d8cf3ee..c8d0655454 100755 --- a/t/t5100-mailinfo.sh +++ b/t/t5100-mailinfo.sh @@ -70,7 +70,7 @@ test_expect_success 'respect NULs' ' git mailsplit -d3 -o. "$DATA/nul-plain" && test_cmp "$DATA/nul-plain" 001 && - (cat 001 | git mailinfo msg patch) && + git mailinfo msg patch <001 && test_line_count = 4 patch ' diff --git a/t/t5300-pack-object.sh b/t/t5300-pack-object.sh index a58f91035d..61e2be2903 100755 --- a/t/t5300-pack-object.sh +++ b/t/t5300-pack-object.sh @@ -465,7 +465,7 @@ test_with_bad_commit () { must_pass_arg="$2" && ( cd strict && - test_expect_fail git index-pack "$must_fail_arg" "test-$(cat pack-name).pack" + test_must_fail git index-pack "$must_fail_arg" "test-$(cat pack-name).pack" && git index-pack "$must_pass_arg" "test-$(cat pack-name).pack" ) } diff --git a/t/t5317-pack-objects-filter-objects.sh b/t/t5317-pack-objects-filter-objects.sh index 2ff3eef9a3..79552d6ef7 100755 --- a/t/t5317-pack-objects-filter-objects.sh +++ b/t/t5317-pack-objects-filter-objects.sh @@ -455,7 +455,7 @@ test_expect_success 'setup r1 - delete loose blobs' ' test_parse_ls_files_stage_oids <ls_files_result | sort >expected && - for id in `cat expected | sed "s|..|&/|"` + for id in `sed "s|..|&/|" expected` do rm r1/.git/objects/$id || return 1 done diff --git a/t/t5401-update-hooks.sh b/t/t5401-update-hooks.sh index 8b8bc47dc0..d8cadeec73 100755 --- a/t/t5401-update-hooks.sh +++ b/t/t5401-update-hooks.sh @@ -123,7 +123,7 @@ remote: STDOUT post-update remote: STDERR post-update EOF test_expect_success 'send-pack stderr contains hook messages' ' - grep ^remote: send.err | sed "s/ *\$//" >actual && + sed -n "/^remote:/s/ *\$//p" send.err >actual && test_cmp expect actual ' diff --git a/t/t5534-push-signed.sh b/t/t5534-push-signed.sh index b4bc24691c..c91a62b77a 100755 --- a/t/t5534-push-signed.sh +++ b/t/t5534-push-signed.sh @@ -303,7 +303,7 @@ test_expect_success GPGSM 'fail without key and heed user.signingkey x509' ' EOF sed -n -e "s/^nonce /NONCE=/p" -e "/^$/q" dst/push-cert ) >expect.in && - key=$(cat "${GNUPGHOME}/trustlist.txt" | cut -d" " -f1 | tr -d ":") && + key=$(cut -d" " -f1 <"${GNUPGHOME}/trustlist.txt" | tr -d ":") && sed -e "s/^KEY=/KEY=${key}/" expect.in >expect && noop=$(git rev-parse noop) && diff --git a/t/t5555-http-smart-common.sh b/t/t5555-http-smart-common.sh index b1cfe8b7db..3dcb3340a3 100755 --- a/t/t5555-http-smart-common.sh +++ b/t/t5555-http-smart-common.sh @@ -131,7 +131,6 @@ test_expect_success 'git upload-pack --advertise-refs: v2' ' fetch=shallow wait-for-done server-option object-format=$(test_oid algo) - object-info 0000 EOF diff --git a/t/t5601-clone.sh b/t/t5601-clone.sh index fb1b9c686d..ca43185681 100755 --- a/t/t5601-clone.sh +++ b/t/t5601-clone.sh @@ -776,6 +776,18 @@ test_expect_success 'batch missing blob request does not inadvertently try to fe . "$TEST_DIRECTORY"/lib-httpd.sh start_httpd +test_expect_success 'clone with includeIf' ' + test_when_finished "rm -rf repo \"$HTTPD_DOCUMENT_ROOT_PATH/repo.git\"" && + git clone --bare --no-local src "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" && + + test_when_finished "rm \"$HOME\"/.gitconfig" && + cat >"$HOME"/.gitconfig <<-EOF && + [includeIf "onbranch:something"] + path = /does/not/exist.inc + EOF + git clone $HTTPD_URL/smart/repo.git repo +' + test_expect_success 'partial clone using HTTP' ' partial_clone "$HTTPD_DOCUMENT_ROOT_PATH/server" "$HTTPD_URL/smart/server" ' diff --git a/t/t5606-clone-options.sh b/t/t5606-clone-options.sh index a400bcca62..e93e0d0cc3 100755 --- a/t/t5606-clone-options.sh +++ b/t/t5606-clone-options.sh @@ -120,14 +120,14 @@ test_expect_success 'prefers -c config over --template config' ' ' -test_expect_failure 'prefers --template config even for core.bare' ' +test_expect_success 'ignore --template config for core.bare' ' template="$TRASH_DIRECTORY/template-with-bare-config" && mkdir "$template" && git config --file "$template/config" core.bare true && git clone "--template=$template" parent clone-bare-config && - test "$(git -C clone-bare-config config --local core.bare)" = "true" && - test_path_is_file clone-bare-config/HEAD + test "$(git -C clone-bare-config config --local core.bare)" = "false" && + test_path_is_missing clone-bare-config/HEAD ' test_expect_success 'prefers config "clone.defaultRemoteName" over default' ' diff --git a/t/t5701-git-serve.sh b/t/t5701-git-serve.sh index 3591bc2417..c48830de8f 100755 --- a/t/t5701-git-serve.sh +++ b/t/t5701-git-serve.sh @@ -20,7 +20,6 @@ test_expect_success 'test capability advertisement' ' fetch=shallow wait-for-done server-option object-format=$(test_oid algo) - object-info EOF cat >expect.trailer <<-EOF && 0000 @@ -323,6 +322,8 @@ test_expect_success 'unexpected lines are not allowed in fetch request' ' # Test the basics of object-info # test_expect_success 'basics of object-info' ' + test_config transfer.advertiseObjectInfo true && + test-tool pkt-line pack >in <<-EOF && command=object-info object-format=$(test_oid algo) @@ -380,4 +381,25 @@ test_expect_success 'basics of bundle-uri: dies if not enabled' ' test_must_be_empty out ' +test_expect_success 'object-info missing from capabilities when disabled' ' + test_config transfer.advertiseObjectInfo false && + + GIT_TEST_SIDEBAND_ALL=0 test-tool serve-v2 \ + --advertise-capabilities >out && + test-tool pkt-line unpack <out >actual && + + ! grep object.info actual +' + +test_expect_success 'object-info commands rejected when disabled' ' + test_config transfer.advertiseObjectInfo false && + + test-tool pkt-line pack >in <<-EOF && + command=object-info + EOF + + test_must_fail test-tool serve-v2 --stateless-rpc <in 2>err && + grep invalid.command err +' + test_done diff --git a/t/t5702-protocol-v2.sh b/t/t5702-protocol-v2.sh index 6ef4971845..1ef540f73d 100755 --- a/t/t5702-protocol-v2.sh +++ b/t/t5702-protocol-v2.sh @@ -778,6 +778,25 @@ test_expect_success 'archive with custom path does not request v2' ' ! grep ^GIT_PROTOCOL env.trace ' +test_expect_success 'reject client packfile-uris if not advertised' ' + { + packetize command=fetch && + packetize object-format=$(test_oid algo) && + printf 0001 && + packetize packfile-uris https && + packetize done && + printf 0000 + } >input && + test_must_fail env GIT_PROTOCOL=version=2 \ + git upload-pack client <input && + test_must_fail env GIT_PROTOCOL=version=2 \ + git -c uploadpack.blobpackfileuri \ + upload-pack client <input && + GIT_PROTOCOL=version=2 \ + git -c uploadpack.blobpackfileuri=anything \ + upload-pack client <input +' + # Test protocol v2 with 'http://' transport # . "$TEST_DIRECTORY"/lib-httpd.sh diff --git a/t/t5801/git-remote-testgit b/t/t5801/git-remote-testgit index 1544d6dc6b..c5b10f5775 100755 --- a/t/t5801/git-remote-testgit +++ b/t/t5801/git-remote-testgit @@ -12,6 +12,11 @@ url=$2 dir="$GIT_DIR/testgit/$alias" +if ! git rev-parse --is-inside-git-dir +then + exit 1 +fi + h_refspec="refs/heads/*:refs/testgit/$alias/heads/*" t_refspec="refs/tags/*:refs/testgit/$alias/tags/*" @@ -25,6 +30,7 @@ GIT_DIR="$url/.git" export GIT_DIR force= +object_format= mkdir -p "$dir" @@ -56,7 +62,8 @@ do echo ;; list) - echo ":object-format $(git rev-parse --show-object-format=storage)" + test -n "$object_format" && + echo ":object-format $(git rev-parse --show-object-format=storage)" git for-each-ref --format='? %(refname)' 'refs/heads/' 'refs/tags/' head=$(git symbolic-ref HEAD) echo "@$head HEAD" diff --git a/t/t6022-rev-list-missing.sh b/t/t6022-rev-list-missing.sh index 211672759a..127180e1c9 100755 --- a/t/t6022-rev-list-missing.sh +++ b/t/t6022-rev-list-missing.sh @@ -10,7 +10,10 @@ TEST_PASSES_SANITIZE_LEAK=true test_expect_success 'create repository and alternate directory' ' test_commit 1 && test_commit 2 && - test_commit 3 + test_commit 3 && + git tag -m "tag message" annot_tag HEAD~1 && + git tag regul_tag HEAD~1 && + git branch a_branch HEAD~1 ' # We manually corrupt the repository, which means that the commit-graph may @@ -46,9 +49,10 @@ do git rev-list --objects --no-object-names \ HEAD ^$obj >expect.raw && - # Blobs are shared by all commits, so evethough a commit/tree + # Blobs are shared by all commits, so even though a commit/tree # might be skipped, its blob must be accounted for. - if [ $obj != "HEAD:1.t" ]; then + if test $obj != "HEAD:1.t" + then echo $(git rev-parse HEAD:1.t) >>expect.raw && echo $(git rev-parse HEAD:2.t) >>expect.raw fi && @@ -77,4 +81,69 @@ do done done +for missing_tip in "annot_tag" "regul_tag" "a_branch" "HEAD~1" "HEAD~1^{tree}" "HEAD:1.t" +do + # We want to check that things work when both + # - all the tips passed are missing (case existing_tip = ""), and + # - there is one missing tip and one existing tip (case existing_tip = "HEAD") + for existing_tip in "" "HEAD" + do + for action in "allow-any" "print" + do + test_expect_success "--missing=$action with tip '$missing_tip' missing and tip '$existing_tip'" ' + # Before the object is made missing, we use rev-list to + # get the expected oids. + if test "$existing_tip" = "HEAD" + then + git rev-list --objects --no-object-names \ + HEAD ^$missing_tip >expect.raw + else + >expect.raw + fi && + + # Blobs are shared by all commits, so even though a commit/tree + # might be skipped, its blob must be accounted for. + if test "$existing_tip" = "HEAD" && test $missing_tip != "HEAD:1.t" + then + echo $(git rev-parse HEAD:1.t) >>expect.raw && + echo $(git rev-parse HEAD:2.t) >>expect.raw + fi && + + missing_oid="$(git rev-parse $missing_tip)" && + + if test "$missing_tip" = "annot_tag" + then + oid="$(git rev-parse $missing_tip^{commit})" && + echo "$missing_oid" >>expect.raw + else + oid="$missing_oid" + fi && + + path=".git/objects/$(test_oid_to_path $oid)" && + + mv "$path" "$path.hidden" && + test_when_finished "mv $path.hidden $path" && + + git rev-list --missing=$action --objects --no-object-names \ + $missing_oid $existing_tip >actual.raw && + + # When the action is to print, we should also add the missing + # oid to the expect list. + case $action in + allow-any) + ;; + print) + grep ?$oid actual.raw && + echo ?$oid >>expect.raw + ;; + esac && + + sort actual.raw >actual && + sort expect.raw >expect && + test_cmp expect actual + ' + done + done +done + test_done diff --git a/t/t6030-bisect-porcelain.sh b/t/t6030-bisect-porcelain.sh index 561080bf24..cdc0270640 100755 --- a/t/t6030-bisect-porcelain.sh +++ b/t/t6030-bisect-porcelain.sh @@ -878,7 +878,7 @@ test_expect_success 'broken branch creation' ' echo "" > expected.ok cat > expected.missing-tree.default <<EOF -fatal: unable to read tree $deleted +fatal: unable to read tree ($deleted) EOF test_expect_success 'bisect fails if tree is broken on start commit' ' diff --git a/t/t6112-rev-list-filters-objects.sh b/t/t6112-rev-list-filters-objects.sh index 52822b9461..43e1afd44c 100755 --- a/t/t6112-rev-list-filters-objects.sh +++ b/t/t6112-rev-list-filters-objects.sh @@ -670,7 +670,7 @@ test_expect_success 'rev-list W/ --missing=print' ' awk -f print_2.awk ls_files_result | sort >expected && - for id in `cat expected | sed "s|..|&/|"` + for id in `sed "s|..|&/|" expected` do rm r1/.git/objects/$id || return 1 done && diff --git a/t/t6413-merge-crlf.sh b/t/t6413-merge-crlf.sh index b4f4a313f4..647ea1e838 100755 --- a/t/t6413-merge-crlf.sh +++ b/t/t6413-merge-crlf.sh @@ -34,14 +34,14 @@ test_expect_success setup ' test_expect_success 'Check "ours" is CRLF' ' git reset --hard initial && git merge side -s ours && - cat file | remove_cr | append_cr >file.temp && + remove_cr <file | append_cr >file.temp && test_cmp file file.temp ' test_expect_success 'Check that conflict file is CRLF' ' git reset --hard a && test_must_fail git merge side && - cat file | remove_cr | append_cr >file.temp && + remove_cr <file | append_cr >file.temp && test_cmp file file.temp ' diff --git a/t/t6418-merge-text-auto.sh b/t/t6418-merge-text-auto.sh index 41288a60ce..48a62cb855 100755 --- a/t/t6418-merge-text-auto.sh +++ b/t/t6418-merge-text-auto.sh @@ -15,6 +15,7 @@ test_description='CRLF merge conflict across text=auto change GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME +TEST_PASSES_SANITIZE_LEAK=true . ./test-lib.sh test_have_prereq SED_STRIPS_CR && SED_OPTIONS=-b diff --git a/t/t6500-gc.sh b/t/t6500-gc.sh index 18fe1c25e6..43d40175f8 100755 --- a/t/t6500-gc.sh +++ b/t/t6500-gc.sh @@ -11,23 +11,7 @@ test_expect_success 'setup' ' # behavior, make sure we always pack everything to one pack by # default git config gc.bigPackThreshold 2g && - - # These are simply values which, when hashed as a blob with a newline, - # produce a hash where the first byte is 0x17 in their respective - # algorithms. - test_oid_cache <<-EOF - obj1 sha1:263 - obj1 sha256:34 - - obj2 sha1:410 - obj2 sha256:174 - - obj3 sha1:523 - obj3 sha256:313 - - obj4 sha1:790 - obj4 sha256:481 - EOF + test_oid_init ' test_expect_success 'gc empty repository' ' @@ -114,8 +98,8 @@ test_expect_success 'pre-auto-gc hook can stop auto gc' ' # We need to create two object whose sha1s start with 17 # since this is what git gc counts. As it happens, these # two blobs will do so. - test_commit "$(test_oid obj1)" && - test_commit "$(test_oid obj2)" && + test_commit "$(test_oid blob17_1)" && + test_commit "$(test_oid blob17_2)" && git gc --auto >../out.actual 2>../err.actual ) && @@ -146,13 +130,13 @@ test_expect_success 'auto gc with too many loose objects does not attempt to cre # We need to create two object whose sha1s start with 17 # since this is what git gc counts. As it happens, these # two blobs will do so. - test_commit "$(test_oid obj1)" && - test_commit "$(test_oid obj2)" && + test_commit "$(test_oid blob17_1)" && + test_commit "$(test_oid blob17_2)" && # Our first gc will create a pack; our second will create a second pack git gc --auto && ls .git/objects/pack/pack-*.pack | sort >existing_packs && - test_commit "$(test_oid obj3)" && - test_commit "$(test_oid obj4)" && + test_commit "$(test_oid blob17_3)" && + test_commit "$(test_oid blob17_4)" && git gc --auto 2>err && test_grep ! "^warning:" err && diff --git a/t/t7004-tag.sh b/t/t7004-tag.sh index b41a47eb94..696866d779 100755 --- a/t/t7004-tag.sh +++ b/t/t7004-tag.sh @@ -1777,10 +1777,10 @@ test_expect_success '--points-at finds annotated tags of tags' ' ' test_expect_success 'recursive tagging should give advice' ' - sed -e "s/|$//" <<-EOF >expect && + cat >expect <<-EOF && hint: You have created a nested tag. The object referred to by your new tag is hint: already a tag. If you meant to tag the object that it points to, use: - hint: | + hint: hint: git tag -f nested annotated-v4.0^{} hint: Disable this message with "git config advice.nestedTag false" EOF diff --git a/t/t7201-co.sh b/t/t7201-co.sh index 10cc6c4605..42352dc0db 100755 --- a/t/t7201-co.sh +++ b/t/t7201-co.sh @@ -631,6 +631,72 @@ test_expect_success 'checkout --conflict=diff3' ' test_cmp merged file ' +test_expect_success 'checkout --conflict=diff3 --no-conflict does not merge' ' + setup_conflicting_index && + echo "none of the above" >expect && + cat expect >fild && + cat expect >file && + test_must_fail git checkout --conflict=diff3 --no-conflict -- fild file 2>err && + test_cmp expect file && + test_cmp expect fild && + echo "error: path ${SQ}file${SQ} is unmerged" >expect && + test_cmp expect err +' + +test_expect_success 'checkout --conflict=diff3 --no-merge does not merge' ' + setup_conflicting_index && + echo "none of the above" >expect && + cat expect >fild && + cat expect >file && + test_must_fail git checkout --conflict=diff3 --no-merge -- fild file 2>err && + test_cmp expect file && + test_cmp expect fild && + echo "error: path ${SQ}file${SQ} is unmerged" >expect && + test_cmp expect err +' + +test_expect_success 'checkout --no-merge --conflict=diff3 does merge' ' + setup_conflicting_index && + echo "none of the above" >fild && + echo "none of the above" >file && + git checkout --no-merge --conflict=diff3 -- fild file && + echo "ourside" >expect && + test_cmp expect fild && + cat >expect <<-\EOF && + <<<<<<< ours + ourside + ||||||| base + original + ======= + theirside + >>>>>>> theirs + EOF + test_cmp expect file +' + +test_expect_success 'checkout --merge --conflict=diff3 --no-conflict does merge' ' + setup_conflicting_index && + echo "none of the above" >fild && + echo "none of the above" >file && + git checkout --merge --conflict=diff3 --no-conflict -- fild file && + echo "ourside" >expect && + test_cmp expect fild && + cat >expect <<-\EOF && + <<<<<<< ours + ourside + ======= + theirside + >>>>>>> theirs + EOF + test_cmp expect file +' + +test_expect_success 'checkout with invalid conflict style' ' + test_must_fail git checkout --conflict=bad 2>actual -- file && + echo "error: unknown conflict style ${SQ}bad${SQ}" >expect && + test_cmp expect actual +' + test_expect_success 'failing checkout -b should not break working tree' ' git clean -fd && # Remove untracked files in the way git reset --hard main && diff --git a/t/t7300-clean.sh b/t/t7300-clean.sh index 611b3dd3ae..0aae0dee67 100755 --- a/t/t7300-clean.sh +++ b/t/t7300-clean.sh @@ -5,6 +5,7 @@ test_description='git clean basic tests' +TEST_PASSES_SANITIZE_LEAK=true . ./test-lib.sh git config clean.requireForce no @@ -407,6 +408,12 @@ test_expect_success 'clean.requireForce and -f' ' ' +test_expect_success 'clean.requireForce and --interactive' ' + git clean --interactive </dev/null >output 2>error && + test_grep ! "requireForce is true and" error && + test_grep "\*\*\* Commands \*\*\*" output +' + test_expect_success 'core.excludesfile' ' echo excludes >excludes && diff --git a/t/t7301-clean-interactive.sh b/t/t7301-clean-interactive.sh index d82a3210a1..4afe53c66a 100755 --- a/t/t7301-clean-interactive.sh +++ b/t/t7301-clean-interactive.sh @@ -25,18 +25,18 @@ test_expect_success 'git clean -i (c: clean hotkey)' ' touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \ docs/manual.txt obj.o build/lib.so && echo c | git clean -i && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test -f docs/manual.txt && - test ! -f src/part3.c && - test ! -f src/part3.h && - test ! -f src/part4.c && - test ! -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_file docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_missing src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -46,18 +46,18 @@ test_expect_success 'git clean -i (cl: clean prefix)' ' touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \ docs/manual.txt obj.o build/lib.so && echo cl | git clean -i && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test -f docs/manual.txt && - test ! -f src/part3.c && - test ! -f src/part3.h && - test ! -f src/part4.c && - test ! -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_file docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_missing src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -67,18 +67,18 @@ test_expect_success 'git clean -i (quit)' ' touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \ docs/manual.txt obj.o build/lib.so && echo quit | git clean -i && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test -f docs/manual.txt && - test -f src/part3.c && - test -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_file docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_file src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -88,18 +88,18 @@ test_expect_success 'git clean -i (Ctrl+D)' ' touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \ docs/manual.txt obj.o build/lib.so && echo "\04" | git clean -i && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test -f docs/manual.txt && - test -f src/part3.c && - test -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_file docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_file src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -110,18 +110,18 @@ test_expect_success 'git clean -id (filter all)' ' docs/manual.txt obj.o build/lib.so && test_write_lines f "*" "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test -f docs/manual.txt && - test -f src/part3.c && - test -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_file docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_file src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -132,18 +132,18 @@ test_expect_success 'git clean -id (filter patterns)' ' docs/manual.txt obj.o build/lib.so && test_write_lines f "part3.* *.out" "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test ! -f docs/manual.txt && - test -f src/part3.c && - test -f src/part3.h && - test ! -f src/part4.c && - test ! -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_missing docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_file src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_missing src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -154,18 +154,18 @@ test_expect_success 'git clean -id (filter patterns 2)' ' docs/manual.txt obj.o build/lib.so && test_write_lines f "* !*.out" "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test -f docs/manual.txt && - test -f src/part3.c && - test -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_file docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_file src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -176,18 +176,18 @@ test_expect_success 'git clean -id (select - all)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s "*" "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test ! -f docs/manual.txt && - test ! -f src/part3.c && - test ! -f src/part3.h && - test ! -f src/part4.c && - test ! -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_missing docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_missing src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -198,18 +198,18 @@ test_expect_success 'git clean -id (select - none)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test -f docs/manual.txt && - test -f src/part3.c && - test -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_file docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_file src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -220,18 +220,18 @@ test_expect_success 'git clean -id (select - number)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s 3 "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test -f docs/manual.txt && - test ! -f src/part3.c && - test -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_file docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_file src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -242,18 +242,18 @@ test_expect_success 'git clean -id (select - number 2)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s "2 3" 5 "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test ! -f docs/manual.txt && - test ! -f src/part3.c && - test -f src/part3.h && - test ! -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_missing docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_file src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -264,18 +264,18 @@ test_expect_success 'git clean -id (select - number 3)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s "3,4 5" "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test -f docs/manual.txt && - test ! -f src/part3.c && - test ! -f src/part3.h && - test ! -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_file docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -285,11 +285,11 @@ test_expect_success 'git clean -id (select - filenames)' ' touch a.out foo.txt bar.txt baz.txt && test_write_lines s "a.out fo ba bar" "" c | git clean -id && - test -f Makefile && - test ! -f a.out && - test ! -f foo.txt && - test ! -f bar.txt && - test -f baz.txt && + test_path_is_file Makefile && + test_path_is_missing a.out && + test_path_is_missing foo.txt && + test_path_is_missing bar.txt && + test_path_is_file baz.txt && rm baz.txt ' @@ -301,18 +301,18 @@ test_expect_success 'git clean -id (select - range)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s "1,3-4" 2 "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test ! -f src/part3.c && - test ! -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test ! -f docs/manual.txt && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_missing src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_missing docs/manual.txt && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -323,18 +323,18 @@ test_expect_success 'git clean -id (select - range 2)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s "4- 1" "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test -f docs/manual.txt && - test -f src/part3.c && - test ! -f src/part3.h && - test ! -f src/part4.c && - test ! -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_file docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_missing src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -345,18 +345,18 @@ test_expect_success 'git clean -id (inverse select)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s "*" "-5- 1 -2" "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test -f docs/manual.txt && - test ! -f src/part3.c && - test ! -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_file docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -367,18 +367,18 @@ test_expect_success 'git clean -id (ask)' ' docs/manual.txt obj.o build/lib.so && test_write_lines a Y y no yes bad "" | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test ! -f docs/manual.txt && - test -f src/part3.c && - test ! -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_missing docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -389,18 +389,18 @@ test_expect_success 'git clean -id (ask - Ctrl+D)' ' docs/manual.txt obj.o build/lib.so && test_write_lines a Y no yes "\04" | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test -f docs/manual.txt && - test ! -f src/part3.c && - test -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_file docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_file src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -412,18 +412,18 @@ test_expect_success 'git clean -id with prefix and path (filter)' ' (cd build/ && test_write_lines f docs "*.h" "" c | git clean -id ..) && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test -f docs/manual.txt && - test ! -f src/part3.c && - test -f src/part3.h && - test ! -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_file docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_file src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -435,18 +435,18 @@ test_expect_success 'git clean -id with prefix and path (select by name)' ' (cd build/ && test_write_lines s ../docs/ ../src/part3.c ../src/part4.c "" c | git clean -id ..) && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test ! -f docs/manual.txt && - test ! -f src/part3.c && - test -f src/part3.h && - test ! -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_missing docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_file src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -458,18 +458,18 @@ test_expect_success 'git clean -id with prefix and path (ask)' ' (cd build/ && test_write_lines a Y y no yes bad "" | git clean -id ..) && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test ! -f docs/manual.txt && - test -f src/part3.c && - test ! -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_missing docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh index 00c1f1aab1..5c4a89df5c 100755 --- a/t/t7400-submodule-basic.sh +++ b/t/t7400-submodule-basic.sh @@ -212,8 +212,7 @@ test_expect_success 'submodule add to .gitignored path fails' ' The following paths are ignored by one of your .gitignore files: submod hint: Use -f if you really want to add them. - hint: Turn this message off by running - hint: "git config advice.addIgnoredFile false" + hint: Disable this message with "git config advice.addIgnoredFile false" EOF # Does not use test_commit due to the ignore echo "*" > .gitignore && diff --git a/t/t7501-commit-basic-functionality.sh b/t/t7501-commit-basic-functionality.sh index bced44a0fc..cc12f99f11 100755 --- a/t/t7501-commit-basic-functionality.sh +++ b/t/t7501-commit-basic-functionality.sh @@ -101,22 +101,8 @@ test_expect_success 'fail to commit untracked file (even with --include/--only)' test_must_fail git commit --only -m "baz" baz 2>err && test_grep -e "$error" err && - # TODO: as for --include, the below command will fail because - # nothing is staged. If something was staged, it would not fail - # even though the provided pathspec does not match any tracked - # path. (However, the untracked paths that match the pathspec are - # not committed and only the staged changes get committed.) - # In either cases, no error is returned to stderr like in (--only - # and without --only/--include) cases. In a similar manner, - # "git add -u baz" also does not error out. - # - # Therefore, the below test is just to document the current behavior - # and is not an endorsement to the current behavior, and we may - # want to fix this. And when that happens, this test should be - # updated accordingly. - test_must_fail git commit --include -m "baz" baz 2>err && - test_must_be_empty err + test_grep -e "$error" err ' test_expect_success 'setup: non-initial commit' ' diff --git a/t/t7502-commit-porcelain.sh b/t/t7502-commit-porcelain.sh index a87c211d0b..b37e2018a7 100755 --- a/t/t7502-commit-porcelain.sh +++ b/t/t7502-commit-porcelain.sh @@ -736,6 +736,11 @@ test_expect_success 'message shows date when it is explicitly set' ' .git/COMMIT_EDITMSG ' +test_expect_success 'message does not have multiple scissors lines' ' + git commit --cleanup=scissors -v --allow-empty -e -m foo && + test $(grep -c -e "--- >8 ---" .git/COMMIT_EDITMSG) -eq 1 +' + test_expect_success AUTOIDENT 'message shows committer when it is automatic' ' echo >>negative && diff --git a/t/t7507-commit-verbose.sh b/t/t7507-commit-verbose.sh index c3281b192e..4c7db19ce7 100755 --- a/t/t7507-commit-verbose.sh +++ b/t/t7507-commit-verbose.sh @@ -101,6 +101,16 @@ test_expect_success 'verbose diff is stripped out with set core.commentChar' ' test_grep "Aborting commit due to empty commit message." err ' +test_expect_success 'verbose diff is stripped with multi-byte comment char' ' + ( + GIT_EDITOR=cat && + export GIT_EDITOR && + test_must_fail git -c core.commentchar="foo>" commit -a -v >out 2>err + ) && + grep "^foo> " out && + test_grep "Aborting commit due to empty commit message." err +' + test_expect_success 'status does not verbose without --verbose' ' git status >actual && ! grep "^diff --git" actual diff --git a/t/t7508-status.sh b/t/t7508-status.sh index a3c18a4fc2..773383fefb 100755 --- a/t/t7508-status.sh +++ b/t/t7508-status.sh @@ -419,14 +419,19 @@ Changes not staged for commit: Untracked files not listed (use -u option to show untracked files) EOF git status -uno >output && + test_cmp expect output && + git status -ufalse >output && test_cmp expect output ' -test_expect_success 'status (status.showUntrackedFiles no)' ' - test_config status.showuntrackedfiles no && - git status >output && - test_cmp expect output -' +for no in no false 0 +do + test_expect_success "status (status.showUntrackedFiles $no)" ' + test_config status.showuntrackedfiles "$no" && + git status >output && + test_cmp expect output + ' +done test_expect_success 'status -uno (advice.statusHints false)' ' cat >expect <<EOF && @@ -488,14 +493,21 @@ Untracked files: EOF git status -unormal >output && + test_cmp expect output && + git status -utrue >output && + test_cmp expect output && + git status -uyes >output && test_cmp expect output ' -test_expect_success 'status (status.showUntrackedFiles normal)' ' - test_config status.showuntrackedfiles normal && - git status >output && - test_cmp expect output -' +for normal in normal true 1 +do + test_expect_success "status (status.showUntrackedFiles $normal)" ' + test_config status.showuntrackedfiles $normal && + git status >output && + test_cmp expect output + ' +done cat >expect <<EOF M dir1/modified @@ -1403,7 +1415,9 @@ test_expect_success "status (core.commentchar with submodule summary)" ' test_expect_success "status (core.commentchar with two chars with submodule summary)" ' test_config core.commentchar ";;" && - test_must_fail git -c status.displayCommentPrefix=true status + sed "s/^/;/" <expect >expect.double && + git -c status.displayCommentPrefix=true status >output && + test_cmp expect.double output ' test_expect_success "--ignore-submodules=all suppresses submodule summary" ' diff --git a/t/t7513-interpret-trailers.sh b/t/t7513-interpret-trailers.sh index ec9c6de114..3d3e13ccf8 100755 --- a/t/t7513-interpret-trailers.sh +++ b/t/t7513-interpret-trailers.sh @@ -1935,4 +1935,18 @@ test_expect_success 'suppressing --- does not disable cut-line handling' ' test_cmp expected actual ' +test_expect_success 'handling of --- lines in conjunction with cut-lines' ' + echo "my-trailer: here" >expected && + + git interpret-trailers --parse >actual <<-\EOF && + subject + + my-trailer: here + --- + # ------------------------ >8 ------------------------ + EOF + + test_cmp expected actual +' + test_done diff --git a/t/t7527-builtin-fsmonitor.sh b/t/t7527-builtin-fsmonitor.sh index 363f9dc0e4..730f3c7f81 100755 --- a/t/t7527-builtin-fsmonitor.sh +++ b/t/t7527-builtin-fsmonitor.sh @@ -1037,4 +1037,227 @@ test_expect_success 'split-index and FSMonitor work well together' ' ) ' +# The FSMonitor daemon reports the OBSERVED pathname of modified files +# and thus contains the OBSERVED spelling on case-insensitive file +# systems. The daemon does not (and should not) load the .git/index +# file and therefore does not know the expected case-spelling. Since +# it is possible for the user to create files/subdirectories with the +# incorrect case, a modified file event for a tracked will not have +# the EXPECTED case. This can cause `index_name_pos()` to incorrectly +# report that the file is untracked. This causes the client to fail to +# mark the file as possibly dirty (keeping the CE_FSMONITOR_VALID bit +# set) so that `git status` will avoid inspecting it and thus not +# present in the status output. +# +# The setup is a little contrived. +# +test_expect_success CASE_INSENSITIVE_FS 'fsmonitor subdir case wrong on disk' ' + test_when_finished "stop_daemon_delete_repo subdir_case_wrong" && + + git init subdir_case_wrong && + ( + cd subdir_case_wrong && + echo x >AAA && + echo x >BBB && + + mkdir dir1 && + echo x >dir1/file1 && + mkdir dir1/dir2 && + echo x >dir1/dir2/file2 && + mkdir dir1/dir2/dir3 && + echo x >dir1/dir2/dir3/file3 && + + echo x >yyy && + echo x >zzz && + git add . && + git commit -m "data" && + + # This will cause "dir1/" and everything under it + # to be deleted. + git sparse-checkout set --cone --sparse-index && + + # Create dir2 with the wrong case and then let Git + # repopulate dir3 -- it will not correct the spelling + # of dir2. + mkdir dir1 && + mkdir dir1/DIR2 && + git sparse-checkout add dir1/dir2/dir3 + ) && + + start_daemon -C subdir_case_wrong --tf "$PWD/subdir_case_wrong.trace" && + + # Enable FSMonitor in the client. Run enough commands for + # the .git/index to sync up with the daemon with everything + # marked clean. + git -C subdir_case_wrong config core.fsmonitor true && + git -C subdir_case_wrong update-index --fsmonitor && + git -C subdir_case_wrong status && + + # Make some files dirty so that FSMonitor gets FSEvents for + # each of them. + echo xx >>subdir_case_wrong/AAA && + echo xx >>subdir_case_wrong/dir1/DIR2/dir3/file3 && + echo xx >>subdir_case_wrong/zzz && + + GIT_TRACE_FSMONITOR="$PWD/subdir_case_wrong.log" \ + git -C subdir_case_wrong --no-optional-locks status --short \ + >"$PWD/subdir_case_wrong.out" && + + # "git status" should have gotten file events for each of + # the 3 files. + # + # "dir2" should be in the observed case on disk. + grep "fsmonitor_refresh_callback" \ + <"$PWD/subdir_case_wrong.log" \ + >"$PWD/subdir_case_wrong.log1" && + + grep -q "AAA.*pos 0" "$PWD/subdir_case_wrong.log1" && + grep -q "zzz.*pos 6" "$PWD/subdir_case_wrong.log1" && + + grep -q "dir1/DIR2/dir3/file3.*pos -3" "$PWD/subdir_case_wrong.log1" && + + # Verify that we get a mapping event to correct the case. + grep -q "MAP:.*dir1/DIR2/dir3/file3.*dir1/dir2/dir3/file3" \ + "$PWD/subdir_case_wrong.log1" && + + # The refresh-callbacks should have caused "git status" to clear + # the CE_FSMONITOR_VALID bit on each of those files and caused + # the worktree scan to visit them and mark them as modified. + grep -q " M AAA" "$PWD/subdir_case_wrong.out" && + grep -q " M zzz" "$PWD/subdir_case_wrong.out" && + grep -q " M dir1/dir2/dir3/file3" "$PWD/subdir_case_wrong.out" +' + +test_expect_success CASE_INSENSITIVE_FS 'fsmonitor file case wrong on disk' ' + test_when_finished "stop_daemon_delete_repo file_case_wrong" && + + git init file_case_wrong && + ( + cd file_case_wrong && + echo x >AAA && + echo x >BBB && + + mkdir dir1 && + mkdir dir1/dir2 && + mkdir dir1/dir2/dir3 && + echo x >dir1/dir2/dir3/FILE-3-B && + echo x >dir1/dir2/dir3/XXXX-3-X && + echo x >dir1/dir2/dir3/file-3-a && + echo x >dir1/dir2/dir3/yyyy-3-y && + mkdir dir1/dir2/dir4 && + echo x >dir1/dir2/dir4/FILE-4-A && + echo x >dir1/dir2/dir4/XXXX-4-X && + echo x >dir1/dir2/dir4/file-4-b && + echo x >dir1/dir2/dir4/yyyy-4-y && + + echo x >yyy && + echo x >zzz && + git add . && + git commit -m "data" + ) && + + start_daemon -C file_case_wrong --tf "$PWD/file_case_wrong.trace" && + + # Enable FSMonitor in the client. Run enough commands for + # the .git/index to sync up with the daemon with everything + # marked clean. + git -C file_case_wrong config core.fsmonitor true && + git -C file_case_wrong update-index --fsmonitor && + git -C file_case_wrong status && + + # Make some files dirty so that FSMonitor gets FSEvents for + # each of them. + echo xx >>file_case_wrong/AAA && + echo xx >>file_case_wrong/zzz && + + # Rename some files so that FSMonitor sees a create and delete + # FSEvent for each. (A simple "mv foo FOO" is not portable + # between macOS and Windows. It works on both platforms, but makes + # the test messy, since (1) one platform updates "ctime" on the + # moved file and one does not and (2) it causes a directory event + # on one platform and not on the other which causes additional + # scanning during "git status" which causes a "H" vs "h" discrepancy + # in "git ls-files -f".) So old-school it and move it out of the + # way and copy it to the case-incorrect name so that we get fresh + # "ctime" and "mtime" values. + + mv file_case_wrong/dir1/dir2/dir3/file-3-a file_case_wrong/dir1/dir2/dir3/ORIG && + cp file_case_wrong/dir1/dir2/dir3/ORIG file_case_wrong/dir1/dir2/dir3/FILE-3-A && + rm file_case_wrong/dir1/dir2/dir3/ORIG && + mv file_case_wrong/dir1/dir2/dir4/FILE-4-A file_case_wrong/dir1/dir2/dir4/ORIG && + cp file_case_wrong/dir1/dir2/dir4/ORIG file_case_wrong/dir1/dir2/dir4/file-4-a && + rm file_case_wrong/dir1/dir2/dir4/ORIG && + + # Run status enough times to fully sync. + # + # The first instance should get the create and delete FSEvents + # for each pair. Status should update the index with a new FSM + # token (so the next invocation will not see data for these + # events). + + GIT_TRACE_FSMONITOR="$PWD/file_case_wrong-try1.log" \ + git -C file_case_wrong status --short \ + >"$PWD/file_case_wrong-try1.out" && + grep -q "fsmonitor_refresh_callback.*FILE-3-A.*pos -3" "$PWD/file_case_wrong-try1.log" && + grep -q "fsmonitor_refresh_callback.*file-3-a.*pos 4" "$PWD/file_case_wrong-try1.log" && + grep -q "fsmonitor_refresh_callback.*FILE-4-A.*pos 6" "$PWD/file_case_wrong-try1.log" && + grep -q "fsmonitor_refresh_callback.*file-4-a.*pos -9" "$PWD/file_case_wrong-try1.log" && + + # FSM refresh will have invalidated the FSM bit and cause a regular + # (real) scan of these tracked files, so they should have "H" status. + # (We will not see a "h" status until the next refresh (on the next + # command).) + + git -C file_case_wrong ls-files -f >"$PWD/file_case_wrong-lsf1.out" && + grep -q "H dir1/dir2/dir3/file-3-a" "$PWD/file_case_wrong-lsf1.out" && + grep -q "H dir1/dir2/dir4/FILE-4-A" "$PWD/file_case_wrong-lsf1.out" && + + + # Try the status again. We assume that the above status command + # advanced the token so that the next one will not see those events. + + GIT_TRACE_FSMONITOR="$PWD/file_case_wrong-try2.log" \ + git -C file_case_wrong status --short \ + >"$PWD/file_case_wrong-try2.out" && + ! grep -q "fsmonitor_refresh_callback.*FILE-3-A.*pos" "$PWD/file_case_wrong-try2.log" && + ! grep -q "fsmonitor_refresh_callback.*file-3-a.*pos" "$PWD/file_case_wrong-try2.log" && + ! grep -q "fsmonitor_refresh_callback.*FILE-4-A.*pos" "$PWD/file_case_wrong-try2.log" && + ! grep -q "fsmonitor_refresh_callback.*file-4-a.*pos" "$PWD/file_case_wrong-try2.log" && + + # FSM refresh saw nothing, so it will mark all files as valid, + # so they should now have "h" status. + + git -C file_case_wrong ls-files -f >"$PWD/file_case_wrong-lsf2.out" && + grep -q "h dir1/dir2/dir3/file-3-a" "$PWD/file_case_wrong-lsf2.out" && + grep -q "h dir1/dir2/dir4/FILE-4-A" "$PWD/file_case_wrong-lsf2.out" && + + + # We now have files with clean content, but with case-incorrect + # file names. Modify them to see if status properly reports + # them. + + echo xx >>file_case_wrong/dir1/dir2/dir3/FILE-3-A && + echo xx >>file_case_wrong/dir1/dir2/dir4/file-4-a && + + GIT_TRACE_FSMONITOR="$PWD/file_case_wrong-try3.log" \ + git -C file_case_wrong --no-optional-locks status --short \ + >"$PWD/file_case_wrong-try3.out" && + + # Verify that we get a mapping event to correct the case. + grep -q "fsmonitor_refresh_callback MAP:.*dir1/dir2/dir3/FILE-3-A.*dir1/dir2/dir3/file-3-a" \ + "$PWD/file_case_wrong-try3.log" && + grep -q "fsmonitor_refresh_callback MAP:.*dir1/dir2/dir4/file-4-a.*dir1/dir2/dir4/FILE-4-A" \ + "$PWD/file_case_wrong-try3.log" && + + # FSEvents are in observed case. + grep -q "fsmonitor_refresh_callback.*FILE-3-A.*pos -3" "$PWD/file_case_wrong-try3.log" && + grep -q "fsmonitor_refresh_callback.*file-4-a.*pos -9" "$PWD/file_case_wrong-try3.log" && + + # The refresh-callbacks should have caused "git status" to clear + # the CE_FSMONITOR_VALID bit on each of those files and caused + # the worktree scan to visit them and mark them as modified. + grep -q " M dir1/dir2/dir3/file-3-a" "$PWD/file_case_wrong-try3.out" && + grep -q " M dir1/dir2/dir4/FILE-4-A" "$PWD/file_case_wrong-try3.out" +' + test_done diff --git a/t/t7700-repack.sh b/t/t7700-repack.sh index 94f9f4a1da..127efe99f8 100755 --- a/t/t7700-repack.sh +++ b/t/t7700-repack.sh @@ -629,6 +629,7 @@ test_expect_success '--write-midx with preferred bitmap tips' ' git log --format="create refs/tags/%s/%s %H" HEAD >refs && git update-ref --stdin <refs && + GIT_TEST_MULTI_PACK_INDEX=0 \ git repack --write-midx --write-bitmap-index && test_path_is_file $midx && test_path_is_file $midx-$(midx_checksum $objdir).bitmap && @@ -749,6 +750,7 @@ test_expect_success '--write-midx with --pack-kept-objects' ' keep="$objdir/pack/pack-$one.keep" && touch "$keep" && + GIT_TEST_MULTI_PACK_INDEX=0 \ git repack --write-midx --write-bitmap-index --geometric=2 -d \ --pack-kept-objects && diff --git a/t/t7704-repack-cruft.sh b/t/t7704-repack-cruft.sh index be3735dff0..71e1ef3a10 100755 --- a/t/t7704-repack-cruft.sh +++ b/t/t7704-repack-cruft.sh @@ -48,7 +48,7 @@ test_expect_success '--expire-to stores pruned objects (now)' ' # ...in other words, the combined contents of this # repository and expired.git should be the same as the # set of objects we started with. - cat expired.objects remaining.objects | sort >actual && + sort expired.objects remaining.objects >actual && test_cmp expect actual && # The "moved" objects (i.e., those in expired.git) diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh index 96ae5d5880..cc917b257e 100755 --- a/t/t7800-difftool.sh +++ b/t/t7800-difftool.sh @@ -93,42 +93,42 @@ test_expect_success 'difftool forwards arguments to diff' ' for opt in '' '--dir-diff' do - test_expect_success "difftool ${opt} ignores exit code" " + test_expect_success "difftool ${opt:-without options} ignores exit code" ' test_config difftool.error.cmd false && git difftool ${opt} -y -t error branch - " + ' - test_expect_success "difftool ${opt} forwards exit code with --trust-exit-code" " + test_expect_success "difftool ${opt:-without options} forwards exit code with --trust-exit-code" ' test_config difftool.error.cmd false && test_must_fail git difftool ${opt} -y --trust-exit-code -t error branch - " + ' - test_expect_success "difftool ${opt} forwards exit code with --trust-exit-code for built-ins" " + test_expect_success "difftool ${opt:-without options} forwards exit code with --trust-exit-code for built-ins" ' test_config difftool.vimdiff.path false && test_must_fail git difftool ${opt} -y --trust-exit-code -t vimdiff branch - " + ' - test_expect_success "difftool ${opt} honors difftool.trustExitCode = true" " + test_expect_success "difftool ${opt:-without options} honors difftool.trustExitCode = true" ' test_config difftool.error.cmd false && test_config difftool.trustExitCode true && test_must_fail git difftool ${opt} -y -t error branch - " + ' - test_expect_success "difftool ${opt} honors difftool.trustExitCode = false" " + test_expect_success "difftool ${opt:-without options} honors difftool.trustExitCode = false" ' test_config difftool.error.cmd false && test_config difftool.trustExitCode false && git difftool ${opt} -y -t error branch - " + ' - test_expect_success "difftool ${opt} ignores exit code with --no-trust-exit-code" " + test_expect_success "difftool ${opt:-without options} ignores exit code with --no-trust-exit-code" ' test_config difftool.error.cmd false && test_config difftool.trustExitCode true && git difftool ${opt} -y --no-trust-exit-code -t error branch - " + ' - test_expect_success "difftool ${opt} stops on error with --trust-exit-code" " - test_when_finished 'rm -f for-diff .git/fail-right-file' && - test_when_finished 'git reset -- for-diff' && + test_expect_success "difftool ${opt:-without options} stops on error with --trust-exit-code" ' + test_when_finished "rm -f for-diff .git/fail-right-file" && + test_when_finished "git reset -- for-diff" && write_script .git/fail-right-file <<-\EOF && echo failed exit 1 @@ -138,19 +138,19 @@ do test_must_fail git difftool ${opt} -y --trust-exit-code \ --extcmd .git/fail-right-file branch >actual && test_line_count = 1 actual - " + ' - test_expect_success "difftool ${opt} honors exit status if command not found" " + test_expect_success "difftool ${opt:-without options} honors exit status if command not found" ' test_config difftool.nonexistent.cmd i-dont-exist && test_config difftool.trustExitCode false && - if test "${opt}" = '--dir-diff' + if test "${opt}" = --dir-diff then expected_code=127 else expected_code=128 fi && - test_expect_code \${expected_code} git difftool ${opt} -y -t nonexistent branch - " + test_expect_code ${expected_code} git difftool ${opt} -y -t nonexistent branch + ' done test_expect_success 'difftool honors --gui' ' diff --git a/t/t8010-cat-file-filters.sh b/t/t8010-cat-file-filters.sh index ca04242ca0..eb64b766bd 100755 --- a/t/t8010-cat-file-filters.sh +++ b/t/t8010-cat-file-filters.sh @@ -43,7 +43,7 @@ test_expect_success 'cat-file --textconv --path=<path> works' ' sha1=$(git rev-parse -q --verify HEAD:world.txt) && test_config diff.txt.textconv "tr A-Za-z N-ZA-Mn-za-m <" && git cat-file --textconv --path=hello.txt $sha1 >rot13 && - test uryyb = "$(cat rot13 | remove_cr)" + test uryyb = "$(remove_cr <rot13)" ' test_expect_success '--path=<path> complains without --textconv/--filters' ' diff --git a/t/t8013-blame-ignore-revs.sh b/t/t8013-blame-ignore-revs.sh index 9a03b0f361..dbfbd86e83 100755 --- a/t/t8013-blame-ignore-revs.sh +++ b/t/t8013-blame-ignore-revs.sh @@ -25,11 +25,11 @@ test_expect_success setup ' git blame --line-porcelain file >blame_raw && - grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 1/s/ .*//p" blame_raw >actual && git rev-parse X >expect && test_cmp expect actual && - grep -E "^[0-9a-f]+ [0-9]+ 2" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 2/s/ .*//p" blame_raw >actual && git rev-parse X >expect && test_cmp expect actual ' @@ -53,11 +53,11 @@ do test_expect_success "ignore_rev_changing_lines ($I)" ' git blame --line-porcelain --ignore-rev $I file >blame_raw && - grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 1/s/ .*//p" blame_raw >actual && git rev-parse A >expect && test_cmp expect actual && - grep -E "^[0-9a-f]+ [0-9]+ 2" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 2/s/ .*//p" blame_raw >actual && git rev-parse B >expect && test_cmp expect actual ' @@ -79,10 +79,10 @@ test_expect_success ignore_rev_adding_unblamable_lines ' git rev-parse Y >expect && git blame --line-porcelain file --ignore-rev Y >blame_raw && - grep -E "^[0-9a-f]+ [0-9]+ 3" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 3/s/ .*//p" blame_raw >actual && test_cmp expect actual && - grep -E "^[0-9a-f]+ [0-9]+ 4" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 4/s/ .*//p" blame_raw >actual && test_cmp expect actual ' @@ -92,11 +92,11 @@ test_expect_success ignore_revs_from_files ' git rev-parse Y >ignore_y && git blame --line-porcelain file --ignore-revs-file ignore_x --ignore-revs-file ignore_y >blame_raw && - grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 1/s/ .*//p" blame_raw >actual && git rev-parse A >expect && test_cmp expect actual && - grep -E "^[0-9a-f]+ [0-9]+ 2" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 2/s/ .*//p" blame_raw >actual && git rev-parse B >expect && test_cmp expect actual ' @@ -106,11 +106,11 @@ test_expect_success ignore_revs_from_configs_and_files ' git config --add blame.ignoreRevsFile ignore_x && git blame --line-porcelain file --ignore-revs-file ignore_y >blame_raw && - grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 1/s/ .*//p" blame_raw >actual && git rev-parse A >expect && test_cmp expect actual && - grep -E "^[0-9a-f]+ [0-9]+ 2" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 2/s/ .*//p" blame_raw >actual && git rev-parse B >expect && test_cmp expect actual ' @@ -121,10 +121,10 @@ test_expect_success override_ignore_revs_file ' git blame --line-porcelain file --ignore-revs-file "" --ignore-revs-file ignore_y >blame_raw && git rev-parse X >expect && - grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 1/s/ .*//p" blame_raw >actual && test_cmp expect actual && - grep -E "^[0-9a-f]+ [0-9]+ 2" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 2/s/ .*//p" blame_raw >actual && test_cmp expect actual ' test_expect_success bad_files_and_revs ' @@ -279,11 +279,11 @@ test_expect_success ignore_merge ' test_merge M B && git blame --line-porcelain file --ignore-rev M >blame_raw && - grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 1/s/ .*//p" blame_raw >actual && git rev-parse B >expect && test_cmp expect actual && - grep -E "^[0-9a-f]+ [0-9]+ 9" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 9/s/ .*//p" blame_raw >actual && git rev-parse C >expect && test_cmp expect actual ' diff --git a/t/t9117-git-svn-init-clone.sh b/t/t9117-git-svn-init-clone.sh index 62de819a44..3b038c338f 100755 --- a/t/t9117-git-svn-init-clone.sh +++ b/t/t9117-git-svn-init-clone.sh @@ -17,32 +17,32 @@ test_expect_success 'setup svnrepo' ' test_expect_success 'basic clone' ' test ! -d trunk && git svn clone "$svnrepo"/project/trunk && - test -d trunk/.git/svn && - test -e trunk/foo && + test_path_is_dir trunk/.git/svn && + test_path_exists trunk/foo && rm -rf trunk ' test_expect_success 'clone to target directory' ' test ! -d target && git svn clone "$svnrepo"/project/trunk target && - test -d target/.git/svn && - test -e target/foo && + test_path_is_dir target/.git/svn && + test_path_exists target/foo && rm -rf target ' test_expect_success 'clone with --stdlayout' ' test ! -d project && git svn clone -s "$svnrepo"/project && - test -d project/.git/svn && - test -e project/foo && + test_path_is_dir project/.git/svn && + test_path_exists project/foo && rm -rf project ' test_expect_success 'clone to target directory with --stdlayout' ' test ! -d target && git svn clone -s "$svnrepo"/project target && - test -d target/.git/svn && - test -e target/foo && + test_path_is_dir target/.git/svn && + test_path_exists target/foo && rm -rf target ' diff --git a/t/t9118-git-svn-funky-branch-names.sh b/t/t9118-git-svn-funky-branch-names.sh index a159ff96b7..d3261e35b8 100755 --- a/t/t9118-git-svn-funky-branch-names.sh +++ b/t/t9118-git-svn-funky-branch-names.sh @@ -38,7 +38,7 @@ test_expect_success 'setup svnrepo' ' # SVN 1.7 will truncate "not-a%40{0]" to just "not-a". # Look at what SVN wound up naming the branch and use that. # Be sure to escape the @ if it shows up. -non_reflog=$(svn_cmd ls "$svnrepo/pr ject/branches" | grep not-a | sed 's/\///' | sed 's/@/%40/') +non_reflog=$(svn_cmd ls "$svnrepo/pr ject/branches" | sed -ne '/not-a/ { s/\///; s/@/%40/; p }') test_expect_success 'test clone with funky branch names' ' git svn clone -s "$svnrepo/pr ject" project && diff --git a/t/t9300-fast-import.sh b/t/t9300-fast-import.sh index dbb5042b0b..60e30fed3c 100755 --- a/t/t9300-fast-import.sh +++ b/t/t9300-fast-import.sh @@ -986,7 +986,7 @@ test_expect_success 'L: nested tree copy does not corrupt deltas' ' test_when_finished "git update-ref -d refs/heads/L2" && git fast-import <input && git ls-tree L2 g/b/ >tmp && - cat tmp | cut -f 2 >actual && + cut -f 2 <tmp >actual && test_cmp expect actual && git fsck $(git rev-parse L2) ' @@ -2007,12 +2007,11 @@ test_expect_success 'Q: verify first notes commit' ' ' test_expect_success 'Q: verify first notes tree' ' - cat >expect.unsorted <<-EOF && + sort >expect <<-EOF && 100644 blob $commit1 100644 blob $commit2 100644 blob $commit3 EOF - cat expect.unsorted | sort >expect && git cat-file -p refs/notes/foobar~2^{tree} | sed "s/ [0-9a-f]* / /" >actual && test_cmp expect actual ' @@ -2048,12 +2047,11 @@ test_expect_success 'Q: verify second notes commit' ' ' test_expect_success 'Q: verify second notes tree' ' - cat >expect.unsorted <<-EOF && + sort >expect <<-EOF && 100644 blob $commit1 100644 blob $commit2 100644 blob $commit3 EOF - cat expect.unsorted | sort >expect && git cat-file -p refs/notes/foobar^^{tree} | sed "s/ [0-9a-f]* / /" >actual && test_cmp expect actual ' @@ -2088,10 +2086,9 @@ test_expect_success 'Q: verify third notes commit' ' ' test_expect_success 'Q: verify third notes tree' ' - cat >expect.unsorted <<-EOF && + sort >expect <<-EOF && 100644 blob $commit1 EOF - cat expect.unsorted | sort >expect && git cat-file -p refs/notes/foobar2^{tree} | sed "s/ [0-9a-f]* / /" >actual && test_cmp expect actual ' @@ -2115,10 +2112,9 @@ test_expect_success 'Q: verify fourth notes commit' ' ' test_expect_success 'Q: verify fourth notes tree' ' - cat >expect.unsorted <<-EOF && + sort >expect <<-EOF && 100644 blob $commit2 EOF - cat expect.unsorted | sort >expect && git cat-file -p refs/notes/foobar^{tree} | sed "s/ [0-9a-f]* / /" >actual && test_cmp expect actual ' diff --git a/t/t9350-fast-export.sh b/t/t9350-fast-export.sh index e9a12c18bb..1eb035ee4c 100755 --- a/t/t9350-fast-export.sh +++ b/t/t9350-fast-export.sh @@ -236,7 +236,7 @@ EOF test_expect_success 'set up faked signed tag' ' - cat signed-tag-import | git fast-import + git fast-import <signed-tag-import ' @@ -537,7 +537,7 @@ test_expect_success 'full-tree re-shows unmodified files' ' test_expect_success 'set-up a few more tags for tag export tests' ' git checkout -f main && - HEAD_TREE=$(git show -s --pretty=raw HEAD | grep tree | sed "s/tree //") && + HEAD_TREE=$(git show -s --pretty=raw HEAD | sed -n "/tree/s/tree //p") && git tag tree_tag -m "tagging a tree" $HEAD_TREE && git tag -a tree_tag-obj -m "tagging a tree" $HEAD_TREE && git tag tag-obj_tag -m "tagging a tag" tree_tag-obj && diff --git a/t/t9400-git-cvsserver-server.sh b/t/t9400-git-cvsserver-server.sh index 003c0b61d0..e499c7f955 100755 --- a/t/t9400-git-cvsserver-server.sh +++ b/t/t9400-git-cvsserver-server.sh @@ -117,12 +117,12 @@ END VERIFICATION REQUEST EOF test_expect_success 'pserver authentication' ' - cat request-anonymous | git-cvsserver pserver >log 2>&1 && + git-cvsserver pserver <request-anonymous >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' test_expect_success 'pserver authentication failure (non-anonymous user)' ' - if cat request-git | git-cvsserver pserver >log 2>&1 + if git-cvsserver pserver <request-git >log 2>&1 then false else @@ -132,17 +132,17 @@ test_expect_success 'pserver authentication failure (non-anonymous user)' ' ' test_expect_success 'pserver authentication success (non-anonymous user with password)' ' - cat login-git-ok | git-cvsserver pserver >log 2>&1 && + git-cvsserver pserver <login-git-ok >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' test_expect_success 'pserver authentication (login)' ' - cat login-anonymous | git-cvsserver pserver >log 2>&1 && + git-cvsserver pserver <login-anonymous >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' test_expect_success 'pserver authentication failure (login/non-anonymous user)' ' - if cat login-git | git-cvsserver pserver >log 2>&1 + if git-cvsserver pserver <login-git >log 2>&1 then false else @@ -172,7 +172,7 @@ Root $WORKDIR EOF test_expect_success 'req_Root failure (relative pathname)' ' - if cat request-relative | git-cvsserver pserver >log 2>&1 + if git-cvsserver pserver <request-relative >log 2>&1 then echo unexpected success false @@ -183,28 +183,26 @@ test_expect_success 'req_Root failure (relative pathname)' ' ' test_expect_success 'req_Root failure (conflicting roots)' ' - cat request-conflict | git-cvsserver pserver >log 2>&1 && + git-cvsserver pserver <request-conflict >log 2>&1 && tail log | grep "^error 1 Conflicting roots specified$" ' test_expect_success 'req_Root (strict paths)' ' - cat request-anonymous | git-cvsserver --strict-paths pserver "$SERVERDIR" >log 2>&1 && + git-cvsserver --strict-paths pserver "$SERVERDIR" <request-anonymous >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' test_expect_success 'req_Root failure (strict-paths)' ' - ! cat request-anonymous | - git-cvsserver --strict-paths pserver "$WORKDIR" >log 2>&1 + ! git-cvsserver --strict-paths pserver "$WORKDIR" <request-anonymous >log 2>&1 ' test_expect_success 'req_Root (w/o strict-paths)' ' - cat request-anonymous | git-cvsserver pserver "$WORKDIR/" >log 2>&1 && + git-cvsserver pserver "$WORKDIR/" <request-anonymous >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' test_expect_success 'req_Root failure (w/o strict-paths)' ' - ! cat request-anonymous | - git-cvsserver pserver "$WORKDIR/gitcvs" >log 2>&1 + ! git-cvsserver pserver "$WORKDIR/gitcvs" <request-anonymous >log 2>&1 ' cat >request-base <<EOF @@ -217,27 +215,26 @@ Root /gitcvs.git EOF test_expect_success 'req_Root (base-path)' ' - cat request-base | git-cvsserver --strict-paths --base-path "$WORKDIR/" pserver "$SERVERDIR" >log 2>&1 && + git-cvsserver --strict-paths --base-path "$WORKDIR/" pserver "$SERVERDIR" <request-base >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' test_expect_success 'req_Root failure (base-path)' ' - ! cat request-anonymous | - git-cvsserver --strict-paths --base-path "$WORKDIR" pserver "$SERVERDIR" >log 2>&1 + ! git-cvsserver --strict-paths --base-path "$WORKDIR" pserver "$SERVERDIR" <request-anonymous >log 2>&1 ' GIT_DIR="$SERVERDIR" git config --bool gitcvs.enabled false || exit 1 test_expect_success 'req_Root (export-all)' ' - cat request-anonymous | git-cvsserver --export-all pserver "$WORKDIR" >log 2>&1 && + git-cvsserver --export-all pserver "$WORKDIR" <request-anonymous >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' test_expect_success 'req_Root failure (export-all w/o directory list)' ' - ! (cat request-anonymous | git-cvsserver --export-all pserver >log 2>&1 || false)' + ! (git-cvsserver --export-all pserver <request-anonymous >log 2>&1 || false)' test_expect_success 'req_Root (everything together)' ' - cat request-base | git-cvsserver --export-all --strict-paths --base-path "$WORKDIR/" pserver "$SERVERDIR" >log 2>&1 && + git-cvsserver --export-all --strict-paths --base-path "$WORKDIR/" pserver "$SERVERDIR" <request-base >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' diff --git a/t/t9802-git-p4-filetype.sh b/t/t9802-git-p4-filetype.sh index 2a6ee2a467..bb236cd2b5 100755 --- a/t/t9802-git-p4-filetype.sh +++ b/t/t9802-git-p4-filetype.sh @@ -175,7 +175,7 @@ test_expect_success 'keyword file create' ' cp k-text-k k-text-ko && p4 add -t text+ko k-text-ko && - cat k-text-k | iconv -f ascii -t utf-16 >k-utf16-k && + iconv -f ascii -t utf-16 <k-text-k >k-utf16-k && p4 add -t utf16+k k-utf16-k && cp k-utf16-k k-utf16-ko && diff --git a/t/t9807-git-p4-submit.sh b/t/t9807-git-p4-submit.sh index af4b286f9d..6ae7ced51b 100755 --- a/t/t9807-git-p4-submit.sh +++ b/t/t9807-git-p4-submit.sh @@ -418,7 +418,7 @@ test_expect_success 'description with Jobs and values on separate lines' ' marshal_dump job0 <change && marshal_dump job1 <change ) | sort >jobs && - cat jobname1 jobname2 | sort >expected && + sort jobname1 jobname2 >expected && test_cmp expected jobs ) ' diff --git a/t/t9824-git-p4-git-lfs.sh b/t/t9824-git-p4-git-lfs.sh index a28dbbdd56..80c8c31e32 100755 --- a/t/t9824-git-p4-git-lfs.sh +++ b/t/t9824-git-p4-git-lfs.sh @@ -17,8 +17,8 @@ test_file_in_lfs () { sed -n '2,2 p' "$FILE" | grep "^oid " && sed -n '3,3 p' "$FILE" | grep "^size " && test_line_count = 3 "$FILE" && - cat "$FILE" | grep "size $SIZE" && - HASH=$(cat "$FILE" | grep "oid sha256:" | sed -e "s/oid sha256://g") && + grep "size $SIZE" "$FILE" && + HASH=$(sed -ne "/oid sha256:/s/oid sha256://gp" "$FILE") && LFS_FILE=".git/lfs/objects/$(echo "$HASH" | cut -c1-2)/$(echo "$HASH" | cut -c3-4)/$HASH" && echo $EXPECTED_CONTENT >expect && test_path_is_file "$FILE" && diff --git a/t/t9902-completion.sh b/t/t9902-completion.sh index b16c284181..569cf23104 100755 --- a/t/t9902-completion.sh +++ b/t/t9902-completion.sh @@ -1263,6 +1263,29 @@ test_expect_success '__git_complete_fetch_refspecs - fully qualified & prefix' ' test_cmp expected out ' +test_expect_success '__git_complete_worktree_paths' ' + test_when_finished "git worktree remove other_wt" && + git worktree add --orphan other_wt && + run_completion "git worktree remove " && + grep other_wt out +' + +test_expect_success '__git_complete_worktree_paths - not a git repository' ' + ( + cd non-repo && + GIT_CEILING_DIRECTORIES="$ROOT" && + export GIT_CEILING_DIRECTORIES && + test_completion "git worktree remove " "" + ) +' + +test_expect_success '__git_complete_worktree_paths with -C' ' + test_when_finished "git -C otherrepo worktree remove otherrepo_wt" && + git -C otherrepo worktree add --orphan otherrepo_wt && + run_completion "git -C otherrepo worktree remove " && + grep otherrepo_wt out +' + test_expect_success 'git switch - with no options, complete local branches and unique remote branch names for DWIM logic' ' test_completion "git switch " <<-\EOF branch-in-other Z @@ -2804,6 +2827,20 @@ test_expect_success 'git clone --config= - value' ' EOF ' +test_expect_success 'git reflog show' ' + test_when_finished "git checkout - && git branch -d shown" && + git checkout -b shown && + test_completion "git reflog sho" <<-\EOF && + show Z + shown Z + EOF + test_completion "git reflog show sho" "shown " && + test_completion "git reflog shown sho" "shown " && + test_completion "git reflog --unt" "--until=" && + test_completion "git reflog show --unt" "--until=" && + test_completion "git reflog shown --unt" "--until=" +' + test_expect_success 'options with value' ' test_completion "git merge -X diff-algorithm=" <<-\EOF diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh index b5eaf7fdc1..862d80c974 100644 --- a/t/test-lib-functions.sh +++ b/t/test-lib-functions.sh @@ -385,7 +385,7 @@ test_commit () { shift done && indir=${indir:+"$indir"/} && - local file=${2:-"$1.t"} && + local file="${2:-"$1.t"}" && if test -n "$append" then $echo "${3-$1}" >>"$indir$file" @@ -1263,9 +1263,8 @@ test_cmp_bin () { cmp "$@" } -# Deprecated - do not use this in new code test_i18ngrep () { - test_grep "$@" + BUG "do not use test_i18ngrep---use test_grep instead" } test_grep () { @@ -1656,7 +1655,16 @@ test_set_hash () { # Detect the hash algorithm in use. test_detect_hash () { - test_hash_algo="${GIT_TEST_DEFAULT_HASH:-sha1}" + case "$GIT_TEST_DEFAULT_HASH" in + "sha256") + test_hash_algo=sha256 + test_compat_hash_algo=sha1 + ;; + *) + test_hash_algo=sha1 + test_compat_hash_algo=sha256 + ;; + esac } # Detect the hash algorithm in use. @@ -1713,6 +1721,12 @@ test_oid () { local algo="${test_hash_algo}" && case "$1" in + --hash=storage) + algo="$test_hash_algo" && + shift;; + --hash=compat) + algo="$test_compat_hash_algo" && + shift;; --hash=*) algo="${1#--hash=}" && shift;; @@ -1734,7 +1748,7 @@ test_oid () { # Insert a slash into an object ID so it can be used to reference a location # under ".git/objects". For example, "deadbeef..." becomes "de/adbeef..". test_oid_to_path () { - local basename=${1#??} + local basename="${1#??}" echo "${1%$basename}/$basename" } @@ -1751,7 +1765,7 @@ test_parse_ls_tree_oids () { # Choose a port number based on the test script's number and store it in # the given variable name, unless that variable already contains a number. test_set_port () { - local var=$1 port + local var="$1" port if test $# -ne 1 || test -z "$var" then @@ -1826,7 +1840,7 @@ test_subcommand () { shift fi - local expr=$(printf '"%s",' "$@") + local expr="$(printf '"%s",' "$@")" expr="${expr%,}" if test -n "$negate" @@ -1916,7 +1930,7 @@ test_readlink () { # An optional increment to the magic timestamp may be specified as second # argument. test_set_magic_mtime () { - local inc=${2:-0} && + local inc="${2:-0}" && local mtime=$((1234567890 + $inc)) && test-tool chmtime =$mtime "$1" && test_is_magic_mtime "$1" $inc @@ -1929,7 +1943,7 @@ test_set_magic_mtime () { # argument. Usually, this should be the same increment which was used for # the associated test_set_magic_mtime. test_is_magic_mtime () { - local inc=${2:-0} && + local inc="${2:-0}" && local mtime=$((1234567890 + $inc)) && echo $mtime >.git/test-mtime-expect && test-tool chmtime --get "$1" >.git/test-mtime-actual && diff --git a/t/test-lib.sh b/t/test-lib.sh index c8af8dab79..79d3e0e7d9 100644 --- a/t/test-lib.sh +++ b/t/test-lib.sh @@ -1962,6 +1962,7 @@ test_lazy_prereq DEFAULT_REPO_FORMAT ' # Tests that verify the scheduler integration must set this locally # to avoid errors. GIT_TEST_MAINT_SCHEDULER="none:exit 1" +export GIT_TEST_MAINT_SCHEDULER # Does this platform support `git fsmonitor--daemon` # diff --git a/t/unit-tests/t-ctype.c b/t/unit-tests/t-ctype.c index f315489984..d6ac1fe678 100644 --- a/t/unit-tests/t-ctype.c +++ b/t/unit-tests/t-ctype.c @@ -1,30 +1,19 @@ #include "test-lib.h" -static int is_in(const char *s, int ch) -{ - /* - * We can't find NUL using strchr. Accept it as the first - * character in the spec -- there are no empty classes. - */ - if (ch == '\0') - return ch == *s; - if (*s == '\0') - s++; - return !!strchr(s, ch); -} - -/* Macro to test a character type */ -#define TEST_CTYPE_FUNC(func, string) \ -static void test_ctype_##func(void) { \ - for (int i = 0; i < 256; i++) { \ - if (!check_int(func(i), ==, is_in(string, i))) \ - test_msg(" i: 0x%02x", i); \ +#define TEST_CHAR_CLASS(class, string) do { \ + size_t len = ARRAY_SIZE(string) - 1 + \ + BUILD_ASSERT_OR_ZERO(ARRAY_SIZE(string) > 0) + \ + BUILD_ASSERT_OR_ZERO(sizeof(string[0]) == sizeof(char)); \ + int skip = test__run_begin(); \ + if (!skip) { \ + for (int i = 0; i < 256; i++) { \ + if (!check_int(class(i), ==, !!memchr(string, i, len)))\ + test_msg(" i: 0x%02x", i); \ + } \ + check(!class(EOF)); \ } \ - if (!check(!func(EOF))) \ - test_msg(" i: 0x%02x (EOF)", EOF); \ -} - -#define TEST_CHAR_CLASS(class) TEST(test_ctype_##class(), #class " works") + test__run_end(!skip, TEST_LOCATION(), #class " works"); \ +} while (0) #define DIGIT "0123456789" #define LOWER "abcdefghijklmnopqrstuvwxyz" @@ -44,37 +33,21 @@ static void test_ctype_##func(void) { \ "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" \ "\x7f" -TEST_CTYPE_FUNC(isdigit, DIGIT) -TEST_CTYPE_FUNC(isspace, " \n\r\t") -TEST_CTYPE_FUNC(isalpha, LOWER UPPER) -TEST_CTYPE_FUNC(isalnum, LOWER UPPER DIGIT) -TEST_CTYPE_FUNC(is_glob_special, "*?[\\") -TEST_CTYPE_FUNC(is_regex_special, "$()*+.?[\\^{|") -TEST_CTYPE_FUNC(is_pathspec_magic, "!\"#%&',-/:;<=>@_`~") -TEST_CTYPE_FUNC(isascii, ASCII) -TEST_CTYPE_FUNC(islower, LOWER) -TEST_CTYPE_FUNC(isupper, UPPER) -TEST_CTYPE_FUNC(iscntrl, CNTRL) -TEST_CTYPE_FUNC(ispunct, PUNCT) -TEST_CTYPE_FUNC(isxdigit, DIGIT "abcdefABCDEF") -TEST_CTYPE_FUNC(isprint, LOWER UPPER DIGIT PUNCT " ") - int cmd_main(int argc, const char **argv) { - /* Run all character type tests */ - TEST_CHAR_CLASS(isspace); - TEST_CHAR_CLASS(isdigit); - TEST_CHAR_CLASS(isalpha); - TEST_CHAR_CLASS(isalnum); - TEST_CHAR_CLASS(is_glob_special); - TEST_CHAR_CLASS(is_regex_special); - TEST_CHAR_CLASS(is_pathspec_magic); - TEST_CHAR_CLASS(isascii); - TEST_CHAR_CLASS(islower); - TEST_CHAR_CLASS(isupper); - TEST_CHAR_CLASS(iscntrl); - TEST_CHAR_CLASS(ispunct); - TEST_CHAR_CLASS(isxdigit); - TEST_CHAR_CLASS(isprint); + TEST_CHAR_CLASS(isspace, " \n\r\t"); + TEST_CHAR_CLASS(isdigit, DIGIT); + TEST_CHAR_CLASS(isalpha, LOWER UPPER); + TEST_CHAR_CLASS(isalnum, LOWER UPPER DIGIT); + TEST_CHAR_CLASS(is_glob_special, "*?[\\"); + TEST_CHAR_CLASS(is_regex_special, "$()*+.?[\\^{|"); + TEST_CHAR_CLASS(is_pathspec_magic, "!\"#%&',-/:;<=>@_`~"); + TEST_CHAR_CLASS(isascii, ASCII); + TEST_CHAR_CLASS(islower, LOWER); + TEST_CHAR_CLASS(isupper, UPPER); + TEST_CHAR_CLASS(iscntrl, CNTRL); + TEST_CHAR_CLASS(ispunct, PUNCT); + TEST_CHAR_CLASS(isxdigit, DIGIT "abcdefABCDEF"); + TEST_CHAR_CLASS(isprint, LOWER UPPER DIGIT PUNCT " "); return test_done(); } diff --git a/t/unit-tests/t-prio-queue.c b/t/unit-tests/t-prio-queue.c index d78b002f9e..7a4e5780e1 100644 --- a/t/unit-tests/t-prio-queue.c +++ b/t/unit-tests/t-prio-queue.c @@ -19,11 +19,13 @@ static int show(int *v) return v ? *v : MISSING; } -static void test_prio_queue(int *input, int *result, size_t input_size) +static void test_prio_queue(int *input, size_t input_size, + int *result, size_t result_size) { struct prio_queue pq = { intcmp }; + int j = 0; - for (int i = 0, j = 0; i < input_size; i++) { + for (int i = 0; i < input_size; i++) { void *peek, *get; switch(input[i]) { case GET: @@ -31,16 +33,22 @@ static void test_prio_queue(int *input, int *result, size_t input_size) get = prio_queue_get(&pq); if (!check(peek == get)) return; - if(!check_int(result[j++], ==, show(get))) - test_msg("failed at result[] index %d", j-1); + if (!check_uint(j, <, result_size)) + break; + if (!check_int(result[j], ==, show(get))) + test_msg(" j: %d", j); + j++; break; case DUMP: while ((peek = prio_queue_peek(&pq))) { get = prio_queue_get(&pq); if (!check(peek == get)) return; - if(!check_int(result[j++], ==, show(get))) - test_msg("failed at result[] index %d", j-1); + if (!check_uint(j, <, result_size)) + break; + if (!check_int(result[j], ==, show(get))) + test_msg(" j: %d", j); + j++; } break; case STACK: @@ -54,45 +62,30 @@ static void test_prio_queue(int *input, int *result, size_t input_size) break; } } + check_uint(j, ==, result_size); clear_prio_queue(&pq); } -#define BASIC_INPUT 2, 6, 3, 10, 9, 5, 7, 4, 5, 8, 1, DUMP -#define BASIC_RESULT 1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 10 - -#define MIXED_PUT_GET_INPUT 6, 2, 4, GET, 5, 3, GET, GET, 1, DUMP -#define MIXED_PUT_GET_RESULT 2, 3, 4, 1, 5, 6 - -#define EMPTY_QUEUE_INPUT 1, 2, GET, GET, GET, 1, 2, GET, GET, GET -#define EMPTY_QUEUE_RESULT 1, 2, MISSING, 1, 2, MISSING - -#define STACK_INPUT STACK, 8, 1, 5, 4, 6, 2, 3, DUMP -#define STACK_RESULT 3, 2, 6, 4, 5, 1, 8 - -#define REVERSE_STACK_INPUT STACK, 1, 2, 3, 4, 5, 6, REVERSE, DUMP -#define REVERSE_STACK_RESULT 1, 2, 3, 4, 5, 6 - -#define TEST_INPUT(INPUT, RESULT, name) \ - static void test_##name(void) \ -{ \ - int input[] = {INPUT}; \ - int result[] = {RESULT}; \ - test_prio_queue(input, result, ARRAY_SIZE(input)); \ -} - -TEST_INPUT(BASIC_INPUT, BASIC_RESULT, basic) -TEST_INPUT(MIXED_PUT_GET_INPUT, MIXED_PUT_GET_RESULT, mixed) -TEST_INPUT(EMPTY_QUEUE_INPUT, EMPTY_QUEUE_RESULT, empty) -TEST_INPUT(STACK_INPUT, STACK_RESULT, stack) -TEST_INPUT(REVERSE_STACK_INPUT, REVERSE_STACK_RESULT, reverse) +#define TEST_INPUT(input, result) \ + test_prio_queue(input, ARRAY_SIZE(input), result, ARRAY_SIZE(result)) int cmd_main(int argc, const char **argv) { - TEST(test_basic(), "prio-queue works for basic input"); - TEST(test_mixed(), "prio-queue works for mixed put & get commands"); - TEST(test_empty(), "prio-queue works when queue is empty"); - TEST(test_stack(), "prio-queue works when used as a LIFO stack"); - TEST(test_reverse(), "prio-queue works when LIFO stack is reversed"); + TEST(TEST_INPUT(((int []){ 2, 6, 3, 10, 9, 5, 7, 4, 5, 8, 1, DUMP }), + ((int []){ 1, 2, 3, 4, 5, 5, 6, 7, 8, 9, 10 })), + "prio-queue works for basic input"); + TEST(TEST_INPUT(((int []){ 6, 2, 4, GET, 5, 3, GET, GET, 1, DUMP }), + ((int []){ 2, 3, 4, 1, 5, 6 })), + "prio-queue works for mixed put & get commands"); + TEST(TEST_INPUT(((int []){ 1, 2, GET, GET, GET, 1, 2, GET, GET, GET }), + ((int []){ 1, 2, MISSING, 1, 2, MISSING })), + "prio-queue works when queue is empty"); + TEST(TEST_INPUT(((int []){ STACK, 8, 1, 5, 4, 6, 2, 3, DUMP }), + ((int []){ 3, 2, 6, 4, 5, 1, 8 })), + "prio-queue works when used as a LIFO stack"); + TEST(TEST_INPUT(((int []){ STACK, 1, 2, 3, 4, 5, 6, REVERSE, DUMP }), + ((int []){ 1, 2, 3, 4, 5, 6 })), + "prio-queue works when LIFO stack is reversed"); return test_done(); } diff --git a/tempfile.c b/tempfile.c index ecdebf1afb..ed88cf8431 100644 --- a/tempfile.c +++ b/tempfile.c @@ -50,15 +50,17 @@ static VOLATILE_LIST_HEAD(tempfile_list); -static void remove_template_directory(struct tempfile *tempfile, +static int remove_template_directory(struct tempfile *tempfile, int in_signal_handler) { if (tempfile->directory) { if (in_signal_handler) - rmdir(tempfile->directory); + return rmdir(tempfile->directory); else - rmdir_or_warn(tempfile->directory); + return rmdir_or_warn(tempfile->directory); } + + return 0; } static void remove_tempfiles(int in_signal_handler) @@ -353,16 +355,19 @@ int rename_tempfile(struct tempfile **tempfile_p, const char *path) return 0; } -void delete_tempfile(struct tempfile **tempfile_p) +int delete_tempfile(struct tempfile **tempfile_p) { struct tempfile *tempfile = *tempfile_p; + int err = 0; if (!is_tempfile_active(tempfile)) - return; + return 0; - close_tempfile_gently(tempfile); - unlink_or_warn(tempfile->filename.buf); - remove_template_directory(tempfile, 0); + err |= close_tempfile_gently(tempfile); + err |= unlink_or_warn(tempfile->filename.buf); + err |= remove_template_directory(tempfile, 0); deactivate_tempfile(tempfile); *tempfile_p = NULL; + + return err ? -1 : 0; } diff --git a/tempfile.h b/tempfile.h index d0413af733..2d2ae5b657 100644 --- a/tempfile.h +++ b/tempfile.h @@ -269,7 +269,7 @@ int reopen_tempfile(struct tempfile *tempfile); * `delete_tempfile()` for a `tempfile` object that has already been * deleted or renamed. */ -void delete_tempfile(struct tempfile **tempfile_p); +int delete_tempfile(struct tempfile **tempfile_p); /* * Close the file descriptor and/or file pointer if they are still @@ -433,6 +433,9 @@ void trace2_cmd_name_fl(const char *file, int line, const char *name) for_each_wanted_builtin (j, tgt_j) if (tgt_j->pfn_command_name_fl) tgt_j->pfn_command_name_fl(file, line, name, hierarchy); + + trace2_cmd_list_config(); + trace2_cmd_list_env_vars(); } void trace2_cmd_mode_fl(const char *file, int line, const char *mode) @@ -464,17 +467,29 @@ void trace2_cmd_alias_fl(const char *file, int line, const char *alias, void trace2_cmd_list_config_fl(const char *file, int line) { + static int emitted = 0; + if (!trace2_enabled) return; + if (emitted) + return; + emitted = 1; + tr2_cfg_list_config_fl(file, line); } void trace2_cmd_list_env_vars_fl(const char *file, int line) { + static int emitted = 0; + if (!trace2_enabled) return; + if (emitted) + return; + emitted = 1; + tr2_list_env_vars_fl(file, line); } @@ -5,7 +5,6 @@ #include "string-list.h" #include "run-command.h" #include "commit.h" -#include "tempfile.h" #include "trailer.h" #include "list.h" /* @@ -145,12 +144,12 @@ static char last_non_space_char(const char *s) return '\0'; } -static void print_tok_val(FILE *outfile, const char *tok, const char *val) +static void print_tok_val(struct strbuf *out, const char *tok, const char *val) { char c; if (!tok) { - fprintf(outfile, "%s\n", val); + strbuf_addf(out, "%s\n", val); return; } @@ -158,21 +157,22 @@ static void print_tok_val(FILE *outfile, const char *tok, const char *val) if (!c) return; if (strchr(separators, c)) - fprintf(outfile, "%s%s\n", tok, val); + strbuf_addf(out, "%s%s\n", tok, val); else - fprintf(outfile, "%s%c %s\n", tok, separators[0], val); + strbuf_addf(out, "%s%c %s\n", tok, separators[0], val); } -static void print_all(FILE *outfile, struct list_head *head, - const struct process_trailer_options *opts) +void format_trailers(const struct process_trailer_options *opts, + struct list_head *trailers, + struct strbuf *out) { struct list_head *pos; struct trailer_item *item; - list_for_each(pos, head) { + list_for_each(pos, trailers) { item = list_entry(pos, struct trailer_item, list); if ((!opts->trim_empty || strlen(item->value) > 0) && (!opts->only_trailers || item->token)) - print_tok_val(outfile, item->token, item->value); + print_tok_val(out, item->token, item->value); } } @@ -366,8 +366,8 @@ static int find_same_and_apply_arg(struct list_head *head, return 0; } -static void process_trailers_lists(struct list_head *head, - struct list_head *arg_head) +void process_trailers_lists(struct list_head *head, + struct list_head *arg_head) { struct list_head *pos, *p; struct arg_item *arg_tok; @@ -589,7 +589,7 @@ static int git_trailer_config(const char *conf_key, const char *value, return 0; } -static void ensure_configured(void) +void trailer_config_init(void) { if (configured) return; @@ -719,7 +719,7 @@ static void add_arg_item(struct list_head *arg_head, char *tok, char *val, list_add_tail(&new_item->list, arg_head); } -static void parse_trailers_from_config(struct list_head *config_head) +void parse_trailers_from_config(struct list_head *config_head) { struct arg_item *item; struct list_head *pos; @@ -735,8 +735,8 @@ static void parse_trailers_from_config(struct list_head *config_head) } } -static void parse_trailers_from_command_line_args(struct list_head *arg_head, - struct list_head *new_trailer_head) +void parse_trailers_from_command_line_args(struct list_head *arg_head, + struct list_head *new_trailer_head) { struct strbuf tok = STRBUF_INIT; struct strbuf val = STRBUF_INIT; @@ -775,17 +775,6 @@ static void parse_trailers_from_command_line_args(struct list_head *arg_head, free(cl_separators); } -static void read_input_file(struct strbuf *sb, const char *file) -{ - if (file) { - if (strbuf_read_file(sb, file, 0) < 0) - die_errno(_("could not read input file '%s'"), file); - } else { - if (strbuf_read(sb, fileno(stdin), 0) < 0) - die_errno(_("could not read from stdin")); - } -} - static const char *next_line(const char *str) { const char *nl = strchrnul(str, '\n'); @@ -882,7 +871,7 @@ static size_t find_trailer_block_start(const char *buf, size_t len) /* The first paragraph is the title and cannot be trailers */ for (s = buf; s < buf + len; s = next_line(s)) { - if (s[0] == comment_line_char) + if (starts_with_mem(s, buf + len - s, comment_line_str)) continue; if (is_blank_line(s)) break; @@ -902,7 +891,7 @@ static size_t find_trailer_block_start(const char *buf, size_t len) const char **p; ssize_t separator_pos; - if (bol[0] == comment_line_char) { + if (starts_with_mem(bol, buf + len - bol, comment_line_str)) { non_trailer_lines += possible_continuation_lines; possible_continuation_lines = 0; continue; @@ -999,21 +988,21 @@ static void unfold_value(struct strbuf *val) * Parse trailers in "str", populating the trailer info and "head" * linked list structure. */ -static void parse_trailers(struct trailer_info *info, - const char *str, - struct list_head *head, - const struct process_trailer_options *opts) +void parse_trailers(const struct process_trailer_options *opts, + struct trailer_info *info, + const char *str, + struct list_head *head) { struct strbuf tok = STRBUF_INIT; struct strbuf val = STRBUF_INIT; size_t i; - trailer_info_get(info, str, opts); + trailer_info_get(opts, str, info); for (i = 0; i < info->trailer_nr; i++) { int separator_pos; char *trailer = info->trailers[i]; - if (trailer[0] == comment_line_char) + if (starts_with(trailer, comment_line_str)) continue; separator_pos = find_separator(trailer, separators); if (separator_pos >= 1) { @@ -1034,99 +1023,18 @@ static void parse_trailers(struct trailer_info *info, } } -static void free_all(struct list_head *head) +void free_trailers(struct list_head *trailers) { struct list_head *pos, *p; - list_for_each_safe(pos, p, head) { + list_for_each_safe(pos, p, trailers) { list_del(pos); free_trailer_item(list_entry(pos, struct trailer_item, list)); } } -static struct tempfile *trailers_tempfile; - -static FILE *create_in_place_tempfile(const char *file) -{ - struct stat st; - struct strbuf filename_template = STRBUF_INIT; - const char *tail; - FILE *outfile; - - if (stat(file, &st)) - die_errno(_("could not stat %s"), file); - if (!S_ISREG(st.st_mode)) - die(_("file %s is not a regular file"), file); - if (!(st.st_mode & S_IWUSR)) - die(_("file %s is not writable by user"), file); - - /* Create temporary file in the same directory as the original */ - tail = strrchr(file, '/'); - if (tail) - strbuf_add(&filename_template, file, tail - file + 1); - strbuf_addstr(&filename_template, "git-interpret-trailers-XXXXXX"); - - trailers_tempfile = xmks_tempfile_m(filename_template.buf, st.st_mode); - strbuf_release(&filename_template); - outfile = fdopen_tempfile(trailers_tempfile, "w"); - if (!outfile) - die_errno(_("could not open temporary file")); - - return outfile; -} - -void process_trailers(const char *file, - const struct process_trailer_options *opts, - struct list_head *new_trailer_head) -{ - LIST_HEAD(head); - struct strbuf sb = STRBUF_INIT; - struct trailer_info info; - FILE *outfile = stdout; - - ensure_configured(); - - read_input_file(&sb, file); - - if (opts->in_place) - outfile = create_in_place_tempfile(file); - - parse_trailers(&info, sb.buf, &head, opts); - - /* Print the lines before the trailers */ - if (!opts->only_trailers) - fwrite(sb.buf, 1, info.trailer_block_start, outfile); - - if (!opts->only_trailers && !info.blank_line_before_trailer) - fprintf(outfile, "\n"); - - - if (!opts->only_input) { - LIST_HEAD(config_head); - LIST_HEAD(arg_head); - parse_trailers_from_config(&config_head); - parse_trailers_from_command_line_args(&arg_head, new_trailer_head); - list_splice(&config_head, &arg_head); - process_trailers_lists(&head, &arg_head); - } - - print_all(outfile, &head, opts); - - free_all(&head); - trailer_info_release(&info); - - /* Print the lines after the trailers as is */ - if (!opts->only_trailers) - fwrite(sb.buf + info.trailer_block_end, 1, sb.len - info.trailer_block_end, outfile); - - if (opts->in_place) - if (rename_tempfile(&trailers_tempfile, file)) - die_errno(_("could not rename temporary file to %s"), file); - - strbuf_release(&sb); -} - -void trailer_info_get(struct trailer_info *info, const char *str, - const struct process_trailer_options *opts) +void trailer_info_get(const struct process_trailer_options *opts, + const char *str, + struct trailer_info *info) { size_t end_of_log_message = 0, trailer_block_start = 0; struct strbuf **trailer_lines, **ptr; @@ -1134,7 +1042,7 @@ void trailer_info_get(struct trailer_info *info, const char *str, size_t nr = 0, alloc = 0; char **last = NULL; - ensure_configured(); + trailer_config_init(); end_of_log_message = find_end_of_log_message(str, opts->no_divider); trailer_block_start = find_trailer_block_start(str, end_of_log_message); @@ -1176,23 +1084,13 @@ void trailer_info_release(struct trailer_info *info) free(info->trailers); } -static void format_trailer_info(struct strbuf *out, +static void format_trailer_info(const struct process_trailer_options *opts, const struct trailer_info *info, - const char *msg, - const struct process_trailer_options *opts) + struct strbuf *out) { size_t origlen = out->len; size_t i; - /* If we want the whole block untouched, we can take the fast path. */ - if (!opts->only_trailers && !opts->unfold && !opts->filter && - !opts->separator && !opts->key_only && !opts->value_only && - !opts->key_value_separator) { - strbuf_add(out, msg + info->trailer_block_start, - info->trailer_block_end - info->trailer_block_start); - return; - } - for (i = 0; i < info->trailer_nr; i++) { char *trailer = info->trailers[i]; ssize_t separator_pos = find_separator(trailer, separators); @@ -1237,13 +1135,25 @@ static void format_trailer_info(struct strbuf *out, } -void format_trailers_from_commit(struct strbuf *out, const char *msg, - const struct process_trailer_options *opts) +void format_trailers_from_commit(const struct process_trailer_options *opts, + const char *msg, + struct strbuf *out) { + LIST_HEAD(trailer_objects); struct trailer_info info; - trailer_info_get(&info, msg, opts); - format_trailer_info(out, &info, msg, opts); + parse_trailers(opts, &info, msg, &trailer_objects); + + /* If we want the whole block untouched, we can take the fast path. */ + if (!opts->only_trailers && !opts->unfold && !opts->filter && + !opts->separator && !opts->key_only && !opts->value_only && + !opts->key_value_separator) { + strbuf_add(out, msg + info.trailer_block_start, + info.trailer_block_end - info.trailer_block_start); + } else + format_trailer_info(opts, &info, out); + + free_trailers(&trailer_objects); trailer_info_release(&info); } @@ -1253,7 +1163,7 @@ void trailer_iterator_init(struct trailer_iterator *iter, const char *msg) strbuf_init(&iter->key, 0); strbuf_init(&iter->val, 0); opts.no_divider = 1; - trailer_info_get(&iter->internal.info, msg, &opts); + trailer_info_get(&opts, msg, &iter->internal.info); iter->internal.cur = 0; } @@ -1270,6 +1180,7 @@ int trailer_iterator_advance(struct trailer_iterator *iter) strbuf_reset(&iter->val); parse_trailer(&iter->key, &iter->val, NULL, trailer, separator_pos); + /* Always unfold values during iteration. */ unfold_value(&iter->val); return 1; } @@ -81,15 +81,31 @@ struct process_trailer_options { #define PROCESS_TRAILER_OPTIONS_INIT {0} -void process_trailers(const char *file, - const struct process_trailer_options *opts, - struct list_head *new_trailer_head); +void parse_trailers_from_config(struct list_head *config_head); -void trailer_info_get(struct trailer_info *info, const char *str, - const struct process_trailer_options *opts); +void parse_trailers_from_command_line_args(struct list_head *arg_head, + struct list_head *new_trailer_head); + +void process_trailers_lists(struct list_head *head, + struct list_head *arg_head); + +void parse_trailers(const struct process_trailer_options *, + struct trailer_info *, + const char *str, + struct list_head *head); + +void trailer_info_get(const struct process_trailer_options *, + const char *str, + struct trailer_info *); void trailer_info_release(struct trailer_info *info); +void trailer_config_init(void); +void format_trailers(const struct process_trailer_options *, + struct list_head *trailers, + struct strbuf *out); +void free_trailers(struct list_head *); + /* * Format the trailers from the commit msg "msg" into the strbuf "out". * Note two caveats about "opts": @@ -101,8 +117,9 @@ void trailer_info_release(struct trailer_info *info); * only the trailer block itself, even if the "only_trailers" option is not * set. */ -void format_trailers_from_commit(struct strbuf *out, const char *msg, - const struct process_trailer_options *opts); +void format_trailers_from_commit(const struct process_trailer_options *opts, + const char *msg, + struct strbuf *out); /* * An interface for iterating over the trailers found in a particular commit diff --git a/transport-helper.c b/transport-helper.c index dd6002b393..8d284b24d5 100644 --- a/transport-helper.c +++ b/transport-helper.c @@ -1078,7 +1078,7 @@ static int push_refs_with_export(struct transport *transport, set_common_push_options(transport, data->name, flags); if (flags & TRANSPORT_PUSH_FORCE) { if (set_helper_option(transport, "force", "true") != 0) - warning(_("helper %s does not support 'force'"), data->name); + warning(_("helper %s does not support '--force'"), data->name); } helper = get_helper(transport); @@ -1210,16 +1210,13 @@ static struct ref *get_refs_list_using_list(struct transport *transport, data->get_refs_list_called = 1; helper = get_helper(transport); - if (data->object_format) { - write_str_in_full(helper->in, "option object-format\n"); - if (recvline(data, &buf) || strcmp(buf.buf, "ok")) - exit(128); - } + if (data->object_format) + set_helper_option(transport, "object-format", "true"); if (data->push && for_push) - write_str_in_full(helper->in, "list for-push\n"); + write_constant(helper->in, "list for-push\n"); else - write_str_in_full(helper->in, "list\n"); + write_constant(helper->in, "list\n"); while (1) { char *eov, *eon; diff --git a/tree-walk.c b/tree-walk.c index b517792ba2..6565d9ad99 100644 --- a/tree-walk.c +++ b/tree-walk.c @@ -11,35 +11,19 @@ #include "json-writer.h" #include "environment.h" -static const char *get_mode(const char *str, unsigned int *modep) -{ - unsigned char c; - unsigned int mode = 0; - - if (*str == ' ') - return NULL; - - while ((c = *str++) != ' ') { - if (c < '0' || c > '7') - return NULL; - mode = (mode << 3) + (c - '0'); - } - *modep = mode; - return str; -} - static int decode_tree_entry(struct tree_desc *desc, const char *buf, unsigned long size, struct strbuf *err) { const char *path; - unsigned int mode, len; - const unsigned hashsz = the_hash_algo->rawsz; + unsigned int len; + uint16_t mode; + const unsigned hashsz = desc->algo->rawsz; if (size < hashsz + 3 || buf[size - (hashsz + 1)]) { strbuf_addstr(err, _("too-short tree object")); return -1; } - path = get_mode(buf, &mode); + path = parse_mode(buf, &mode); if (!path) { strbuf_addstr(err, _("malformed mode in tree entry")); return -1; @@ -54,15 +38,19 @@ static int decode_tree_entry(struct tree_desc *desc, const char *buf, unsigned l desc->entry.path = path; desc->entry.mode = (desc->flags & TREE_DESC_RAW_MODES) ? mode : canon_mode(mode); desc->entry.pathlen = len - 1; - oidread(&desc->entry.oid, (const unsigned char *)path + len); + oidread_algop(&desc->entry.oid, (const unsigned char *)path + len, + desc->algo); return 0; } -static int init_tree_desc_internal(struct tree_desc *desc, const void *buffer, - unsigned long size, struct strbuf *err, +static int init_tree_desc_internal(struct tree_desc *desc, + const struct object_id *oid, + const void *buffer, unsigned long size, + struct strbuf *err, enum tree_desc_flags flags) { + desc->algo = (oid && oid->algo) ? &hash_algos[oid->algo] : the_hash_algo; desc->buffer = buffer; desc->size = size; desc->flags = flags; @@ -71,19 +59,21 @@ static int init_tree_desc_internal(struct tree_desc *desc, const void *buffer, return 0; } -void init_tree_desc(struct tree_desc *desc, const void *buffer, unsigned long size) +void init_tree_desc(struct tree_desc *desc, const struct object_id *tree_oid, + const void *buffer, unsigned long size) { struct strbuf err = STRBUF_INIT; - if (init_tree_desc_internal(desc, buffer, size, &err, 0)) + if (init_tree_desc_internal(desc, tree_oid, buffer, size, &err, 0)) die("%s", err.buf); strbuf_release(&err); } -int init_tree_desc_gently(struct tree_desc *desc, const void *buffer, unsigned long size, +int init_tree_desc_gently(struct tree_desc *desc, const struct object_id *oid, + const void *buffer, unsigned long size, enum tree_desc_flags flags) { struct strbuf err = STRBUF_INIT; - int result = init_tree_desc_internal(desc, buffer, size, &err, flags); + int result = init_tree_desc_internal(desc, oid, buffer, size, &err, flags); if (result) error("%s", err.buf); strbuf_release(&err); @@ -100,9 +90,9 @@ void *fill_tree_descriptor(struct repository *r, if (oid) { buf = read_object_with_reference(r, oid, OBJ_TREE, &size, NULL); if (!buf) - die("unable to read tree %s", oid_to_hex(oid)); + die(_("unable to read tree (%s)"), oid_to_hex(oid)); } - init_tree_desc(desc, buf, size); + init_tree_desc(desc, oid, buf, size); return buf; } @@ -119,7 +109,7 @@ static void entry_extract(struct tree_desc *t, struct name_entry *a) static int update_tree_entry_internal(struct tree_desc *desc, struct strbuf *err) { const void *buf = desc->buffer; - const unsigned char *end = (const unsigned char *)desc->entry.path + desc->entry.pathlen + 1 + the_hash_algo->rawsz; + const unsigned char *end = (const unsigned char *)desc->entry.path + desc->entry.pathlen + 1 + desc->algo->rawsz; unsigned long size = desc->size; unsigned long len = end - (const unsigned char *)buf; @@ -633,7 +623,7 @@ int get_tree_entry(struct repository *r, retval = -1; } else { struct tree_desc t; - init_tree_desc(&t, tree, size); + init_tree_desc(&t, tree_oid, tree, size); retval = find_tree_entry(r, &t, name, oid, mode); } free(tree); @@ -676,7 +666,7 @@ enum get_oid_result get_tree_entry_follow_symlinks(struct repository *r, struct tree_desc t; int follows_remaining = GET_TREE_ENTRY_FOLLOW_SYMLINKS_MAX_LINKS; - init_tree_desc(&t, NULL, 0UL); + init_tree_desc(&t, NULL, NULL, 0UL); strbuf_addstr(&namebuf, name); oidcpy(¤t_tree_oid, tree_oid); @@ -712,7 +702,7 @@ enum get_oid_result get_tree_entry_follow_symlinks(struct repository *r, goto done; /* descend */ - init_tree_desc(&t, tree, size); + init_tree_desc(&t, ¤t_tree_oid, tree, size); } /* Handle symlinks to e.g. a//b by removing leading slashes */ @@ -746,7 +736,7 @@ enum get_oid_result get_tree_entry_follow_symlinks(struct repository *r, free(parent->tree); parents_nr--; parent = &parents[parents_nr - 1]; - init_tree_desc(&t, parent->tree, parent->size); + init_tree_desc(&t, &parent->oid, parent->tree, parent->size); strbuf_remove(&namebuf, 0, remainder ? 3 : 2); continue; } @@ -826,7 +816,7 @@ enum get_oid_result get_tree_entry_follow_symlinks(struct repository *r, contents_start = contents; parent = &parents[parents_nr - 1]; - init_tree_desc(&t, parent->tree, parent->size); + init_tree_desc(&t, &parent->oid, parent->tree, parent->size); strbuf_splice(&namebuf, 0, len, contents_start, link_len); if (remainder) diff --git a/tree-walk.h b/tree-walk.h index a6bfa3da3a..0b1067fbc5 100644 --- a/tree-walk.h +++ b/tree-walk.h @@ -24,6 +24,7 @@ struct name_entry { * A semi-opaque data structure used to maintain the current state of the walk. */ struct tree_desc { + const struct git_hash_algo *algo; /* * pointer into the memory representation of the tree. It always * points at the current entry being visited. @@ -83,9 +84,11 @@ int update_tree_entry_gently(struct tree_desc *); * size parameters are assumed to be the same as the buffer and size * members of `struct tree`. */ -void init_tree_desc(struct tree_desc *desc, const void *buf, unsigned long size); +void init_tree_desc(struct tree_desc *desc, const struct object_id *tree_oid, + const void *buf, unsigned long size); -int init_tree_desc_gently(struct tree_desc *desc, const void *buf, unsigned long size, +int init_tree_desc_gently(struct tree_desc *desc, const struct object_id *oid, + const void *buf, unsigned long size, enum tree_desc_flags flags); /* @@ -29,7 +29,7 @@ int read_tree_at(struct repository *r, if (parse_tree(tree)) return -1; - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) { if (retval != all_entries_interesting) { diff --git a/upload-pack.c b/upload-pack.c index 6e0d441ef5..902144b9d3 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -28,6 +28,7 @@ #include "shallow.h" #include "write-or-die.h" #include "json-writer.h" +#include "strmap.h" /* Remember to update object flag allocation in object.h */ #define THEY_HAVE (1u << 11) @@ -61,12 +62,11 @@ struct upload_pack_data { struct string_list symref; /* v0 only */ struct object_array want_obj; struct object_array have_obj; - struct oid_array haves; /* v2 only */ - struct string_list wanted_refs; /* v2 only */ + struct strmap wanted_refs; /* v2 only */ struct strvec hidden_refs; struct object_array shallows; - struct string_list deepen_not; + struct oidset deepen_not; struct object_array extra_edge_obj; int depth; timestamp_t deepen_since; @@ -113,6 +113,8 @@ struct upload_pack_data { unsigned done : 1; /* v2 only */ unsigned allow_ref_in_want : 1; /* v2 only */ unsigned allow_sideband_all : 1; /* v2 only */ + unsigned seen_haves : 1; /* v2 only */ + unsigned allow_packfile_uris : 1; /* v2 only */ unsigned advertise_sid : 1; unsigned sent_capabilities : 1; }; @@ -120,13 +122,12 @@ struct upload_pack_data { static void upload_pack_data_init(struct upload_pack_data *data) { struct string_list symref = STRING_LIST_INIT_DUP; - struct string_list wanted_refs = STRING_LIST_INIT_DUP; + struct strmap wanted_refs = STRMAP_INIT; struct strvec hidden_refs = STRVEC_INIT; struct object_array want_obj = OBJECT_ARRAY_INIT; struct object_array have_obj = OBJECT_ARRAY_INIT; - struct oid_array haves = OID_ARRAY_INIT; struct object_array shallows = OBJECT_ARRAY_INIT; - struct string_list deepen_not = STRING_LIST_INIT_DUP; + struct oidset deepen_not = OID_ARRAY_INIT; struct string_list uri_protocols = STRING_LIST_INIT_DUP; struct object_array extra_edge_obj = OBJECT_ARRAY_INIT; struct string_list allowed_filters = STRING_LIST_INIT_DUP; @@ -137,7 +138,6 @@ static void upload_pack_data_init(struct upload_pack_data *data) data->hidden_refs = hidden_refs; data->want_obj = want_obj; data->have_obj = have_obj; - data->haves = haves; data->shallows = shallows; data->deepen_not = deepen_not; data->uri_protocols = uri_protocols; @@ -155,13 +155,12 @@ static void upload_pack_data_init(struct upload_pack_data *data) static void upload_pack_data_clear(struct upload_pack_data *data) { string_list_clear(&data->symref, 1); - string_list_clear(&data->wanted_refs, 1); + strmap_clear(&data->wanted_refs, 1); strvec_clear(&data->hidden_refs); object_array_clear(&data->want_obj); object_array_clear(&data->have_obj); - oid_array_clear(&data->haves); object_array_clear(&data->shallows); - string_list_clear(&data->deepen_not, 0); + oidset_clear(&data->deepen_not); object_array_clear(&data->extra_edge_obj); list_objects_filter_release(&data->filter_options); string_list_clear(&data->allowed_filters, 0); @@ -471,7 +470,9 @@ static void create_pack_file(struct upload_pack_data *pack_data, static int do_got_oid(struct upload_pack_data *data, const struct object_id *oid) { int we_knew_they_have = 0; - struct object *o = parse_object(the_repository, oid); + struct object *o = parse_object_with_flags(the_repository, oid, + PARSE_OBJECT_SKIP_HASH_CHECK | + PARSE_OBJECT_DISCARD_TREE); if (!o) die("oops (%s)", oid_to_hex(oid)); @@ -528,8 +529,6 @@ static int get_common_commits(struct upload_pack_data *data, int got_other = 0; int sent_ready = 0; - save_commit_buffer = 0; - for (;;) { const char *arg; @@ -926,12 +925,13 @@ static int send_shallow_list(struct upload_pack_data *data) strvec_push(&av, "rev-list"); if (data->deepen_since) strvec_pushf(&av, "--max-age=%"PRItime, data->deepen_since); - if (data->deepen_not.nr) { + if (oidset_size(&data->deepen_not)) { + const struct object_id *oid; + struct oidset_iter iter; strvec_push(&av, "--not"); - for (i = 0; i < data->deepen_not.nr; i++) { - struct string_list_item *s = data->deepen_not.items + i; - strvec_push(&av, s->string); - } + oidset_iter_init(&data->deepen_not, &iter); + while ((oid = oidset_iter_next(&iter))) + strvec_push(&av, oid_to_hex(oid)); strvec_push(&av, "--not"); } for (i = 0; i < data->want_obj.nr; i++) { @@ -1007,7 +1007,7 @@ static int process_deepen_since(const char *line, timestamp_t *deepen_since, int return 0; } -static int process_deepen_not(const char *line, struct string_list *deepen_not, int *deepen_rev_list) +static int process_deepen_not(const char *line, struct oidset *deepen_not, int *deepen_rev_list) { const char *arg; if (skip_prefix(line, "deepen-not ", &arg)) { @@ -1015,7 +1015,7 @@ static int process_deepen_not(const char *line, struct string_list *deepen_not, struct object_id oid; if (expand_ref(the_repository, arg, strlen(arg), &oid, &ref) != 1) die("git upload-pack: ambiguous deepen-not: %s", line); - string_list_append(deepen_not, ref); + oidset_insert(deepen_not, &oid); free(ref); *deepen_rev_list = 1; return 1; @@ -1151,7 +1151,9 @@ static void receive_needs(struct upload_pack_data *data, free(client_sid); } - o = parse_object(the_repository, &oid_buf); + o = parse_object_with_flags(the_repository, &oid_buf, + PARSE_OBJECT_SKIP_HASH_CHECK | + PARSE_OBJECT_DISCARD_TREE); if (!o) { packet_writer_error(&data->writer, "upload-pack: not our ref %s", @@ -1362,6 +1364,9 @@ static int upload_pack_config(const char *var, const char *value, data->allow_ref_in_want = git_config_bool(var, value); } else if (!strcmp("uploadpack.allowsidebandall", var)) { data->allow_sideband_all = git_config_bool(var, value); + } else if (!strcmp("uploadpack.blobpackfileuri", var)) { + if (value) + data->allow_packfile_uris = 1; } else if (!strcmp("core.precomposeunicode", var)) { precomposed_unicode = git_config_bool(var, value); } else if (!strcmp("transfer.advertisesid", var)) { @@ -1385,10 +1390,13 @@ static int upload_pack_protected_config(const char *var, const char *value, return 0; } -static void get_upload_pack_config(struct upload_pack_data *data) +static void get_upload_pack_config(struct repository *r, + struct upload_pack_data *data) { - git_config(upload_pack_config, data); + repo_config(r, upload_pack_config, data); git_protected_config(upload_pack_protected_config, data); + + data->allow_sideband_all |= git_env_bool("GIT_TEST_SIDEBAND_ALL", 0); } void upload_pack(const int advertise_refs, const int stateless_rpc, @@ -1398,7 +1406,7 @@ void upload_pack(const int advertise_refs, const int stateless_rpc, struct upload_pack_data data; upload_pack_data_init(&data); - get_upload_pack_config(&data); + get_upload_pack_config(the_repository, &data); data.stateless_rpc = stateless_rpc; data.timeout = timeout; @@ -1468,7 +1476,8 @@ static int parse_want(struct packet_writer *writer, const char *line, "expected to get oid, not '%s'", line); o = parse_object_with_flags(the_repository, &oid, - PARSE_OBJECT_SKIP_HASH_CHECK); + PARSE_OBJECT_SKIP_HASH_CHECK | + PARSE_OBJECT_DISCARD_TREE); if (!o) { packet_writer_error(writer, @@ -1490,14 +1499,13 @@ static int parse_want(struct packet_writer *writer, const char *line, } static int parse_want_ref(struct packet_writer *writer, const char *line, - struct string_list *wanted_refs, + struct strmap *wanted_refs, struct strvec *hidden_refs, struct object_array *want_obj) { const char *refname_nons; if (skip_prefix(line, "want-ref ", &refname_nons)) { struct object_id oid; - struct string_list_item *item; struct object *o = NULL; struct strbuf refname = STRBUF_INIT; @@ -1509,8 +1517,11 @@ static int parse_want_ref(struct packet_writer *writer, const char *line, } strbuf_release(&refname); - item = string_list_append(wanted_refs, refname_nons); - item->util = oiddup(&oid); + if (strmap_put(wanted_refs, refname_nons, oiddup(&oid))) { + packet_writer_error(writer, "duplicate want-ref %s", + refname_nons); + die("duplicate want-ref %s", refname_nons); + } if (!starts_with(refname_nons, "refs/tags/")) { struct commit *commit = lookup_commit_in_graph(the_repository, &oid); @@ -1532,15 +1543,14 @@ static int parse_want_ref(struct packet_writer *writer, const char *line, return 0; } -static int parse_have(const char *line, struct oid_array *haves) +static int parse_have(const char *line, struct upload_pack_data *data) { const char *arg; if (skip_prefix(line, "have ", &arg)) { struct object_id oid; - if (get_oid_hex(arg, &oid)) - die("git upload-pack: expected SHA1 object, got '%s'", arg); - oid_array_append(haves, &oid); + got_oid(data, arg, &oid); + data->seen_haves = 1; return 1; } @@ -1552,13 +1562,13 @@ static void trace2_fetch_info(struct upload_pack_data *data) struct json_writer jw = JSON_WRITER_INIT; jw_object_begin(&jw, 0); - jw_object_intmax(&jw, "haves", data->haves.nr); + jw_object_intmax(&jw, "haves", data->have_obj.nr); jw_object_intmax(&jw, "wants", data->want_obj.nr); - jw_object_intmax(&jw, "want-refs", data->wanted_refs.nr); + jw_object_intmax(&jw, "want-refs", strmap_get_size(&data->wanted_refs)); jw_object_intmax(&jw, "depth", data->depth); jw_object_intmax(&jw, "shallows", data->shallows.nr); jw_object_bool(&jw, "deepen-since", data->deepen_since); - jw_object_intmax(&jw, "deepen-not", data->deepen_not.nr); + jw_object_intmax(&jw, "deepen-not", oidset_size(&data->deepen_not)); jw_object_bool(&jw, "deepen-relative", data->deepen_relative); if (data->filter_options.choice) jw_object_string(&jw, "filter", list_object_filter_config_name(data->filter_options.choice)); @@ -1586,7 +1596,7 @@ static void process_args(struct packet_reader *request, &data->hidden_refs, &data->want_obj)) continue; /* process have line */ - if (parse_have(arg, &data->haves)) + if (parse_have(arg, data)) continue; /* process args like thin-pack */ @@ -1638,14 +1648,17 @@ static void process_args(struct packet_reader *request, continue; } - if ((git_env_bool("GIT_TEST_SIDEBAND_ALL", 0) || - data->allow_sideband_all) && + if (data->allow_sideband_all && !strcmp(arg, "sideband-all")) { data->writer.use_sideband = 1; continue; } - if (skip_prefix(arg, "packfile-uris ", &p)) { + if (data->allow_packfile_uris && + skip_prefix(arg, "packfile-uris ", &p)) { + if (data->uri_protocols.nr) + send_err_and_die(data, + "multiple packfile-uris lines forbidden"); string_list_split(&data->uri_protocols, p, ',', -1); continue; } @@ -1664,27 +1677,7 @@ static void process_args(struct packet_reader *request, trace2_fetch_info(data); } -static int process_haves(struct upload_pack_data *data, struct oid_array *common) -{ - int i; - - /* Process haves */ - for (i = 0; i < data->haves.nr; i++) { - const struct object_id *oid = &data->haves.oid[i]; - - if (!repo_has_object_file_with_flags(the_repository, oid, - OBJECT_INFO_QUICK | OBJECT_INFO_SKIP_FETCH_OBJECT)) - continue; - - oid_array_append(common, oid); - - do_got_oid(data, oid); - } - - return 0; -} - -static int send_acks(struct upload_pack_data *data, struct oid_array *acks) +static int send_acks(struct upload_pack_data *data, struct object_array *acks) { int i; @@ -1696,7 +1689,7 @@ static int send_acks(struct upload_pack_data *data, struct oid_array *acks) for (i = 0; i < acks->nr; i++) { packet_writer_write(&data->writer, "ACK %s\n", - oid_to_hex(&acks->oid[i])); + oid_to_hex(&acks->objects[i].item->oid)); } if (!data->wait_for_done && ok_to_give_up(data)) { @@ -1710,13 +1703,11 @@ static int send_acks(struct upload_pack_data *data, struct oid_array *acks) static int process_haves_and_send_acks(struct upload_pack_data *data) { - struct oid_array common = OID_ARRAY_INIT; int ret = 0; - process_haves(data, &common); if (data->done) { ret = 1; - } else if (send_acks(data, &common)) { + } else if (send_acks(data, &data->have_obj)) { packet_writer_delim(&data->writer); ret = 1; } else { @@ -1725,24 +1716,23 @@ static int process_haves_and_send_acks(struct upload_pack_data *data) ret = 0; } - oid_array_clear(&data->haves); - oid_array_clear(&common); return ret; } static void send_wanted_ref_info(struct upload_pack_data *data) { - const struct string_list_item *item; + struct hashmap_iter iter; + const struct strmap_entry *e; - if (!data->wanted_refs.nr) + if (strmap_empty(&data->wanted_refs)) return; packet_writer_write(&data->writer, "wanted-refs\n"); - for_each_string_list_item(item, &data->wanted_refs) { + strmap_for_each_entry(&data->wanted_refs, &iter, e) { packet_writer_write(&data->writer, "%s %s\n", - oid_to_hex(item->util), - item->string); + oid_to_hex(e->value), + e->key); } packet_writer_delim(&data->writer); @@ -1771,7 +1761,7 @@ enum fetch_state { FETCH_DONE, }; -int upload_pack_v2(struct repository *r UNUSED, struct packet_reader *request) +int upload_pack_v2(struct repository *r, struct packet_reader *request) { enum fetch_state state = FETCH_PROCESS_ARGS; struct upload_pack_data data; @@ -1780,7 +1770,7 @@ int upload_pack_v2(struct repository *r UNUSED, struct packet_reader *request) upload_pack_data_init(&data); data.use_sideband = LARGE_PACKET_MAX; - get_upload_pack_config(&data); + get_upload_pack_config(r, &data); while (state != FETCH_DONE) { switch (state) { @@ -1796,7 +1786,7 @@ int upload_pack_v2(struct repository *r UNUSED, struct packet_reader *request) * they didn't want anything. */ state = FETCH_DONE; - } else if (data.haves.nr) { + } else if (data.seen_haves) { /* * Request had 'have' lines, so lets ACK them. */ @@ -1839,41 +1829,28 @@ int upload_pack_v2(struct repository *r UNUSED, struct packet_reader *request) int upload_pack_advertise(struct repository *r, struct strbuf *value) { - if (value) { - int allow_filter_value; - int allow_ref_in_want; - int allow_sideband_all_value; - char *str = NULL; + struct upload_pack_data data; + upload_pack_data_init(&data); + get_upload_pack_config(r, &data); + + if (value) { strbuf_addstr(value, "shallow wait-for-done"); - if (!repo_config_get_bool(r, - "uploadpack.allowfilter", - &allow_filter_value) && - allow_filter_value) + if (data.allow_filter) strbuf_addstr(value, " filter"); - if (!repo_config_get_bool(r, - "uploadpack.allowrefinwant", - &allow_ref_in_want) && - allow_ref_in_want) + if (data.allow_ref_in_want) strbuf_addstr(value, " ref-in-want"); - if (git_env_bool("GIT_TEST_SIDEBAND_ALL", 0) || - (!repo_config_get_bool(r, - "uploadpack.allowsidebandall", - &allow_sideband_all_value) && - allow_sideband_all_value)) + if (data.allow_sideband_all) strbuf_addstr(value, " sideband-all"); - if (!repo_config_get_string(r, - "uploadpack.blobpackfileuri", - &str) && - str) { + if (data.allow_packfile_uris) strbuf_addstr(value, " packfile-uris"); - free(str); - } } + upload_pack_data_clear(&data); + return 1; } @@ -45,7 +45,7 @@ static int process_tree(struct walker *walker, struct tree *tree) if (parse_tree(tree)) return -1; - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) { struct object *obj = NULL; diff --git a/worktree.c b/worktree.c index b02a05a74a..cf5eea8c93 100644 --- a/worktree.c +++ b/worktree.c @@ -807,9 +807,9 @@ int should_prune_worktree(const char *id, struct strbuf *reason, char **wtpath, static int move_config_setting(const char *key, const char *value, const char *from_file, const char *to_file) { - if (git_config_set_in_file_gently(to_file, key, value)) + if (git_config_set_in_file_gently(to_file, key, NULL, value)) return error(_("unable to set %s in '%s'"), key, to_file); - if (git_config_set_in_file_gently(from_file, key, NULL)) + if (git_config_set_in_file_gently(from_file, key, NULL, NULL)) return error(_("unable to unset %s in '%s'"), key, from_file); return 0; } diff --git a/wt-status.c b/wt-status.c index b5a29083df..bdfc23e2ae 100644 --- a/wt-status.c +++ b/wt-status.c @@ -70,7 +70,7 @@ static void status_vprintf(struct wt_status *s, int at_bol, const char *color, strbuf_vaddf(&sb, fmt, ap); if (!sb.len) { if (s->display_comment_prefix) { - strbuf_addch(&sb, comment_line_char); + strbuf_addstr(&sb, comment_line_str); if (!trail) strbuf_addch(&sb, ' '); } @@ -85,7 +85,7 @@ static void status_vprintf(struct wt_status *s, int at_bol, const char *color, strbuf_reset(&linebuf); if (at_bol && s->display_comment_prefix) { - strbuf_addch(&linebuf, comment_line_char); + strbuf_addstr(&linebuf, comment_line_str); if (*line != '\n' && *line != '\t') strbuf_addch(&linebuf, ' '); } @@ -1028,7 +1028,7 @@ static void wt_longstatus_print_submodule_summary(struct wt_status *s, int uncom if (s->display_comment_prefix) { size_t len; summary_content = strbuf_detach(&summary, &len); - strbuf_add_commented_lines(&summary, summary_content, len, comment_line_char); + strbuf_add_commented_lines(&summary, summary_content, len, comment_line_str); free(summary_content); } @@ -1090,11 +1090,14 @@ size_t wt_status_locate_end(const char *s, size_t len) const char *p; struct strbuf pattern = STRBUF_INIT; - strbuf_addf(&pattern, "\n%c %s", comment_line_char, cut_line); + strbuf_addf(&pattern, "\n%s %s", comment_line_str, cut_line); if (starts_with(s, pattern.buf + 1)) len = 0; - else if ((p = strstr(s, pattern.buf))) - len = p - s + 1; + else if ((p = strstr(s, pattern.buf))) { + size_t newlen = p - s + 1; + if (newlen < len) + len = newlen; + } strbuf_release(&pattern); return len; } @@ -1103,16 +1106,19 @@ void wt_status_append_cut_line(struct strbuf *buf) { const char *explanation = _("Do not modify or remove the line above.\nEverything below it will be ignored."); - strbuf_commented_addf(buf, comment_line_char, "%s", cut_line); - strbuf_add_commented_lines(buf, explanation, strlen(explanation), comment_line_char); + strbuf_commented_addf(buf, comment_line_str, "%s", cut_line); + strbuf_add_commented_lines(buf, explanation, strlen(explanation), comment_line_str); } -void wt_status_add_cut_line(FILE *fp) +void wt_status_add_cut_line(struct wt_status *s) { struct strbuf buf = STRBUF_INIT; + if (s->added_cut_line) + return; + s->added_cut_line = 1; wt_status_append_cut_line(&buf); - fputs(buf.buf, fp); + fputs(buf.buf, s->fp); strbuf_release(&buf); } @@ -1143,11 +1149,12 @@ static void wt_longstatus_print_verbose(struct wt_status *s) * file (and even the "auto" setting won't work, since it * will have checked isatty on stdout). But we then do want * to insert the scissor line here to reliably remove the - * diff before committing. + * diff before committing, if we didn't already include one + * before. */ if (s->fp != stdout) { rev.diffopt.use_color = 0; - wt_status_add_cut_line(s->fp); + wt_status_add_cut_line(s); } if (s->verbose > 1 && s->committable) { /* print_updated() printed a header, so do we */ @@ -1176,8 +1183,6 @@ static void wt_longstatus_print_tracking(struct wt_status *s) struct strbuf sb = STRBUF_INIT; const char *cp, *ep, *branch_name; struct branch *branch; - char comment_line_string[3]; - int i; uint64_t t_begin = 0; assert(s->branch && !s->is_initial); @@ -1202,20 +1207,15 @@ static void wt_longstatus_print_tracking(struct wt_status *s) } } - i = 0; - if (s->display_comment_prefix) { - comment_line_string[i++] = comment_line_char; - comment_line_string[i++] = ' '; - } - comment_line_string[i] = '\0'; - for (cp = sb.buf; (ep = strchr(cp, '\n')) != NULL; cp = ep + 1) color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), - "%s%.*s", comment_line_string, + "%s%s%.*s", + s->display_comment_prefix ? comment_line_str : "", + s->display_comment_prefix ? " " : "", (int)(ep - cp), cp); if (s->display_comment_prefix) - color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%c", - comment_line_char); + color_fprintf_ln(s->fp, color(WT_STATUS_HEADER, s), "%s", + comment_line_str); else fputs("\n", s->fp); strbuf_release(&sb); @@ -1382,7 +1382,7 @@ static int read_rebase_todolist(const char *fname, struct string_list *lines) git_path("%s", fname)); } while (!strbuf_getline_lf(&line, f)) { - if (line.len && line.buf[0] == comment_line_char) + if (starts_with(line.buf, comment_line_str)) continue; strbuf_trim(&line); if (!line.len) diff --git a/wt-status.h b/wt-status.h index 819dcad723..4e377ce62b 100644 --- a/wt-status.h +++ b/wt-status.h @@ -23,7 +23,8 @@ enum color_wt_status { }; enum untracked_status_type { - SHOW_NO_UNTRACKED_FILES, + SHOW_UNTRACKED_FILES_ERROR = -1, + SHOW_NO_UNTRACKED_FILES = 0, SHOW_NORMAL_UNTRACKED_FILES, SHOW_ALL_UNTRACKED_FILES }; @@ -130,6 +131,7 @@ struct wt_status { int rename_score; int rename_limit; enum wt_status_format status_format; + unsigned char added_cut_line; /* boolean */ struct wt_status_state state; struct object_id oid_commit; /* when not Initial */ @@ -147,7 +149,7 @@ struct wt_status { size_t wt_status_locate_end(const char *s, size_t len); void wt_status_append_cut_line(struct strbuf *buf); -void wt_status_add_cut_line(FILE *fp); +void wt_status_add_cut_line(struct wt_status *s); void wt_status_prepare(struct repository *r, struct wt_status *s); void wt_status_print(struct wt_status *s); void wt_status_collect(struct wt_status *s); diff --git a/xdiff-interface.c b/xdiff-interface.c index 3162f51743..16ed8ac492 100644 --- a/xdiff-interface.c +++ b/xdiff-interface.c @@ -305,6 +305,22 @@ int xdiff_compare_lines(const char *l1, long s1, return xdl_recmatch(l1, s1, l2, s2, flags); } +int parse_conflict_style_name(const char *value) +{ + if (!strcmp(value, "diff3")) + return XDL_MERGE_DIFF3; + else if (!strcmp(value, "zdiff3")) + return XDL_MERGE_ZEALOUS_DIFF3; + else if (!strcmp(value, "merge")) + return 0; + /* + * Please update _git_checkout() in git-completion.bash when + * you add new merge config + */ + else + return -1; +} + int git_xmerge_style = -1; int git_xmerge_config(const char *var, const char *value, @@ -313,17 +329,8 @@ int git_xmerge_config(const char *var, const char *value, if (!strcmp(var, "merge.conflictstyle")) { if (!value) return config_error_nonbool(var); - if (!strcmp(value, "diff3")) - git_xmerge_style = XDL_MERGE_DIFF3; - else if (!strcmp(value, "zdiff3")) - git_xmerge_style = XDL_MERGE_ZEALOUS_DIFF3; - else if (!strcmp(value, "merge")) - git_xmerge_style = 0; - /* - * Please update _git_checkout() in - * git-completion.bash when you add new merge config - */ - else + git_xmerge_style = parse_conflict_style_name(value); + if (git_xmerge_style == -1) return error(_("unknown style '%s' given for '%s'"), value, var); return 0; diff --git a/xdiff-interface.h b/xdiff-interface.h index e6f80df046..38537169b7 100644 --- a/xdiff-interface.h +++ b/xdiff-interface.h @@ -51,6 +51,7 @@ int buffer_is_binary(const char *ptr, unsigned long size); void xdiff_set_find_func(xdemitconf_t *xecfg, const char *line, int cflags); void xdiff_clear_find_func(xdemitconf_t *xecfg); struct config_context; +int parse_conflict_style_name(const char *value); int git_xmerge_config(const char *var, const char *value, const struct config_context *ctx, void *cb); extern int git_xmerge_style; |