diff options
201 files changed, 5840 insertions, 3310 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/Documentation/CodingGuidelines b/Documentation/CodingGuidelines index 32e69f798e..ab39509d59 100644 --- a/Documentation/CodingGuidelines +++ b/Documentation/CodingGuidelines @@ -641,15 +641,15 @@ 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 +659,12 @@ 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 +682,118 @@ 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 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. - 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. +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 +804,6 @@ 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 903c665960..1be72e2e5c 100644 --- a/Documentation/RelNotes/2.45.0.txt +++ b/Documentation/RelNotes/2.45.0.txt @@ -45,6 +45,40 @@ UI, Workflows & Features * 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". Performance, Internal Implementation, Development Support etc. @@ -93,6 +127,40 @@ Performance, Internal Implementation, Development Support etc. * 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. + Fixes since v2.44 ----------------- @@ -226,6 +294,59 @@ Fixes since v2.44 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. + * 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). @@ -248,3 +369,7 @@ Fixes since v2.44 (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). 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 782c2bab90..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. - -Inside double quotes, double quote `"` and backslash `\` characters -must be escaped: use `\"` for `"` and `\\` for `\`. +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. + +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) diff --git a/Documentation/config/advice.txt b/Documentation/config/advice.txt index f833411653..0e35ae5240 100644 --- a/Documentation/config/advice.txt +++ b/Documentation/config/advice.txt @@ -56,6 +56,8 @@ advice.*:: 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:: Shown when a user attempts to recursively tag a tag object. pushAlreadyExists:: 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 2d4bbdb25f..93d65e1dfd 100644 --- a/Documentation/config/core.txt +++ b/Documentation/config/core.txt @@ -520,13 +520,28 @@ 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 ASCII character + messages consider a line that begins with this character commented, and removes them after the editor returns (default '#'). + 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 dd1d833273..af03acdbcb 100644 --- a/Documentation/config/init.txt +++ b/Documentation/config/init.txt @@ -3,8 +3,8 @@ ifndef::git-init[] :see-git-init: (See the "TEMPLATE DIRECTORY" section of linkgit:git-init[1].) endif::[] -init.templateDir:: +`init.templateDir`:: Specify the directory from which templates will be copied. {see-git-init} -init.defaultBranch:: +`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/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/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-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-clone.txt b/Documentation/git-clone.txt index f90977a851..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 @@ -101,7 +101,7 @@ 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>:: +`--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 @@ -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 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>_ + 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 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 + ++--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 @@ -200,14 +200,14 @@ 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 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 instead. In a non-bare repository, this is the branch that will @@ -215,18 +215,18 @@ objects from the source repository into a pack in the cloned repository. `--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 @@ -239,25 +239,25 @@ 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. @@ -267,7 +267,7 @@ corresponding `--mirror` and `--no-tags` options instead. 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 @@ -279,7 +279,7 @@ 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 provided, all submodules are initialized and cloned. @@ -295,46 +295,46 @@ 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>:: +_<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 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 in the bundle will be stored under the hidden `refs/bundle/*` 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 a6e82b871b..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 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 2f864e11ed..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 @@ -41,35 +41,35 @@ 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. + include::object-format-disclaimer.txt[] ---ref-format=<format>:: +++--ref-format=++__<format>__:: 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 `$GIT_DIR` or `./.git/`, create a text file there containing the path to the actual @@ -78,53 +78,53 @@ repository. + If this is a reinitialization, the repository will be moved to the specified path. --b <branch-name>:: ---initial-branch=<branch-name>:: +`-b` _<branch-name>_:: +++--initial-branch=++__<branch-name>__:: Use _<branch-name>_ for the initial branch in the newly created repository. If not specified, fall back to the default name (currently `master`, but this is subject to change in the future; the name can be customized via the `init.defaultBranch` configuration variable). ---shared[=(false|true|umask|group|all|world|everybody|<perm>)]:: +++--shared++[++=++(`false`|`true`|`umask`|`group`|`all`|`world`|`everybody`|_<perm>_)]:: Specify that the Git repository is to be shared amongst several users. This allows users belonging to the same group to push into that repository. When specified, the config variable `core.sharedRepository` is set so that files and directories under `$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 is given: + -- -umask:: -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:: -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 +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:: -world:: -everybody:: +`all`:: +`world`:: +`everybody`:: 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)` +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 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-rebase.txt b/Documentation/git-rebase.txt index 03d5e9936a..74df345f9e 100644 --- a/Documentation/git-rebase.txt +++ b/Documentation/git-rebase.txt @@ -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-status.txt b/Documentation/git-status.txt index b0f36fabfb..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]. 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/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/gitremote-helpers.txt b/Documentation/gitremote-helpers.txt index 07c8439a6f..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". @@ -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/urls.txt b/Documentation/urls.txt index 0b9e0c4302..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 @@ -30,17 +30,17 @@ 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 @@ -57,11 +57,11 @@ endif::git-clone[] 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 URL-like string recognized by the specific remote helper being @@ -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: @@ -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" }, @@ -104,8 +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, @@ -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 @@ -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); diff --git a/builtin/add.c b/builtin/add.c index 393c10cbcf..e97699d6b9 100644 --- a/builtin/add.c +++ b/builtin/add.c @@ -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; } @@ -440,10 +438,8 @@ 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; } 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 8c2305ad2c..dd3e3a7dc0 100644 --- a/builtin/branch.c +++ b/builtin/branch.c @@ -677,18 +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/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 902c97ab23..947827de1d 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; } } @@ -706,7 +710,7 @@ static int reset_tree(struct tree *tree, const struct checkout_opts *o, NULL); if (parse_tree(tree) < 0) return 128; - init_tree_desc(&tree_desc, tree->buffer, tree->size); + init_tree_desc(&tree_desc, &tree->object.oid, tree->buffer, tree->size); switch (unpack_trees(1, &tree_desc, &opts)) { case -2: *writeout_error = 1; @@ -826,11 +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); + 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); @@ -895,6 +901,7 @@ 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, @@ -1028,7 +1035,8 @@ 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); } @@ -1632,6 +1640,24 @@ 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) { @@ -1642,8 +1668,9 @@ 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); @@ -1735,15 +1762,10 @@ 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"; @@ -1915,7 +1937,7 @@ static int checkout_main(int argc, const char **argv, const char *prefix, 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"), @@ -1929,7 +1951,6 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) OPT_END() }; - 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; @@ -1963,7 +1984,7 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) 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"), @@ -1977,7 +1998,6 @@ int cmd_switch(int argc, const char **argv, const char *prefix) OPT_END() }; - memset(&opts, 0, sizeof(opts)); opts.dwim_new_local_branch = 1; opts.accept_ref = 1; opts.accept_pathspec = 0; @@ -2000,7 +2020,7 @@ int cmd_switch(int argc, const char **argv, const char *prefix) 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>", @@ -2015,7 +2035,6 @@ int cmd_restore(int argc, const char **argv, const char *prefix) OPT_END() }; - memset(&opts, 0, sizeof(opts)); opts.accept_ref = 0; opts.accept_pathspec = 1; opts.empty_pathspec_ok = 0; diff --git a/builtin/clone.c b/builtin/clone.c index f3bc6edef8..74ec14542e 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -740,7 +740,7 @@ static int checkout(int submodule_progress, int filter_submodules) die(_("unable to parse commit %s"), oid_to_hex(&oid)); if (parse_tree(tree) < 0) exit(128); - init_tree_desc(&t, tree->buffer, tree->size); + init_tree_desc(&t, &tree->object.oid, tree->buffer, tree->size); if (unpack_trees(1, &t, &opts) < 0) die(_("unable to checkout working tree")); diff --git a/builtin/commit.c b/builtin/commit.c index a91197245f..7ba7201cfb 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -333,7 +333,7 @@ static void create_base_index(const struct commit *current_head) die(_("failed to unpack HEAD tree object")); if (parse_tree(tree) < 0) exit(128); - init_tree_desc(&t, tree->buffer, tree->size); + 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 */ } @@ -685,9 +685,10 @@ 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); @@ -706,7 +707,7 @@ 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, @@ -889,7 +890,7 @@ 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); @@ -909,18 +910,18 @@ 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) { @@ -943,12 +944,12 @@ 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) 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 @@ -1157,22 +1158,45 @@ 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) @@ -1455,16 +1479,12 @@ 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/fast-import.c b/builtin/fast-import.c index 71a195ca22..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; @@ -2280,7 +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/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/log.c b/builtin/log.c index e5da0d1043..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); 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-tree.c b/builtin/merge-tree.c index 05d0cad554..8bdb439131 100644 --- a/builtin/merge-tree.c +++ b/builtin/merge-tree.c @@ -563,7 +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 a0ba1f9815..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); 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/read-tree.c b/builtin/read-tree.c index 1ffd863cff..6f89cec0fb 100644 --- a/builtin/read-tree.c +++ b/builtin/read-tree.c @@ -263,7 +263,7 @@ int cmd_read_tree(int argc, const char **argv, const char *cmd_prefix) struct tree *tree = trees[i]; if (parse_tree(tree) < 0) return 128; - init_tree_desc(t+i, tree->buffer, tree->size); + 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 e444ab102d..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))) @@ -610,7 +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; } @@ -638,7 +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; @@ -659,7 +659,7 @@ 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; } @@ -945,10 +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, @@ -1127,7 +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, @@ -1544,7 +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/rev-list.c b/builtin/rev-list.c index ec455aa972..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) diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index 181c703d4c..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 @@ -676,6 +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; @@ -747,6 +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, "--")) { @@ -834,6 +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; @@ -883,7 +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; } @@ -1091,6 +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/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/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 80ca832477..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)) 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" @@ -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 **); @@ -1113,12 +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 */ @@ -1128,15 +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; @@ -1149,11 +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, @@ -1369,6 +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) { @@ -1612,70 +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; } @@ -1797,7 +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 */ @@ -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); @@ -1560,16 +1565,19 @@ 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; } @@ -3001,6 +3009,7 @@ 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 +3050,11 @@ 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 +3143,9 @@ 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 +3166,7 @@ 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 +3181,62 @@ 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 +3264,7 @@ 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 +3275,8 @@ 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 +3317,7 @@ 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 +3471,7 @@ 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 +3516,7 @@ 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 +3539,7 @@ 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/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/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/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 5e8717c774..1cd790a4d2 100644 --- a/diff-lib.c +++ b/diff-lib.c @@ -562,7 +562,7 @@ 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); } @@ -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; } diff --git a/environment.c b/environment.c index 60706ea398..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? */ diff --git a/environment.h b/environment.h index 5cec19cecc..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; /* 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/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 33db41bfac..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)) { 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.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/log-tree.c b/log-tree.c index e5438b029d..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; 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 201f8f7775..eaede6cead 100644 --- a/merge-ort.c +++ b/merge-ort.c @@ -1665,9 +1665,10 @@ static int collect_merge_info(struct merge_options *opt, parse_tree(side1) < 0 || parse_tree(side2) < 0) return -1; - 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); + 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); @@ -2024,7 +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; @@ -2034,6 +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; @@ -4446,10 +4448,10 @@ static int checkout(struct merge_options *opt, unpack_opts.preserve_ignored = 0; /* FIXME: !opts->overwrite_ignore */ if (parse_tree(prev) < 0) return -1; - init_tree_desc(&trees[0], prev->buffer, prev->size); + 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->buffer, next->size); + 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); diff --git a/merge-recursive.c b/merge-recursive.c index 103ee321ae..8ff29ed09e 100644 --- a/merge-recursive.c +++ b/merge-recursive.c @@ -407,7 +407,7 @@ static void init_tree_desc_from_tree(struct tree_desc *desc, struct tree *tree) { if (parse_tree(tree) < 0) exit(128); - init_tree_desc(desc, tree->buffer, tree->size); + init_tree_desc(desc, &tree->object.oid, tree->buffer, tree->size); } static int unpack_trees_start(struct merge_options *opt, @@ -1048,13 +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; @@ -3947,6 +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, @@ -81,7 +81,8 @@ int checkout_fast_forward(struct repository *r, rollback_lock_file(&lock_file); return -1; } - 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); } 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/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 bd77695d7e..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 (flags & GET_OID_HASH_ANY) + algo = NULL; - if (init_object_disambiguation(r, name, len, &ds) < 0) + 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; 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) { @@ -553,6 +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. * 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) 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. @@ -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); @@ -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/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; @@ -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 e206d5a073..0bed6d2ab4 100644 --- a/refs/reftable-backend.c +++ b/refs/reftable-backend.c @@ -1203,9 +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; 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 e2a2cee58d..298e8c56b9 100644 --- a/reftable/block.c +++ b/reftable/block.c @@ -273,35 +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; - uint8_t unused_extra; - int n = reftable_decode_key(&rkey, &unused_extra, 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 < 0; + 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) @@ -376,20 +387,51 @@ void block_iter_close(struct block_iter *it) 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 @@ -398,21 +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->last_key); - if (err > 0 || strbuf_cmp(&it->last_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/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/record.c b/reftable/record.c index 23b497adab..5506f3e913 100644 --- a/reftable/record.c +++ b/reftable/record.c @@ -159,26 +159,42 @@ int reftable_encode_key(int *restart, struct string_view dest, return start.len - dest.len; } -int reftable_decode_key(struct strbuf *last_key, uint8_t *extra, - 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; + size_t start_len = in.len; int n; - n = get_var_int(&prefix_len, &in); + n = get_var_int(prefix_len, &in); if (n < 0) return -1; string_view_consume(&in, n); - 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 || prefix_len > last_key->len) diff --git a/reftable/record.h b/reftable/record.h index 826ee1c55c..d778133e6e 100644 --- a/reftable/record.h +++ b/reftable/record.h @@ -86,6 +86,12 @@ int reftable_encode_key(int *is_restart, struct string_view dest, struct strbuf prev_key, struct strbuf key, uint8_t extra); +/* 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. 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/stack.c b/reftable/stack.c index 1ecf1b9751..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) @@ -978,7 +984,15 @@ 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) @@ -1008,7 +1022,7 @@ static int stack_compact_range(struct reftable_stack *st, LOCK_NO_DEREF); if (err < 0) { if (errno == EEXIST) - err = 1; + err = REFTABLE_LOCK_ERROR; else err = REFTABLE_IO_ERROR; goto done; @@ -1030,7 +1044,7 @@ static int stack_compact_range(struct reftable_stack *st, table_name.buf, LOCK_NO_DEREF); if (err < 0) { if (errno == EEXIST) - err = 1; + err = REFTABLE_LOCK_ERROR; else err = REFTABLE_IO_ERROR; goto done; @@ -1080,7 +1094,7 @@ static int stack_compact_range(struct reftable_stack *st, LOCK_NO_DEREF); if (err < 0) { if (errno == EEXIST) - err = 1; + err = REFTABLE_LOCK_ERROR; else err = REFTABLE_IO_ERROR; goto done; @@ -1192,7 +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 7336757cf5..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 }; @@ -1085,6 +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/remote-curl.c b/remote-curl.c index 1161dc7fed..31b02b8840 100644 --- a/remote-curl.c +++ b/remote-curl.c @@ -211,14 +211,9 @@ 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 */; 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 diff --git a/revision.c b/revision.c index d6436ee66b..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: diff --git a/sequencer.c b/sequencer.c index 4e14fa6541..2c19846385 100644 --- a/sequencer.c +++ b/sequencer.c @@ -479,7 +479,7 @@ static void print_advice(struct repository *r, int show_hint, 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 @@ -492,22 +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()"); } @@ -675,15 +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)) @@ -784,29 +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) @@ -1166,7 +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); } /* @@ -1198,7 +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); @@ -1571,7 +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; @@ -1733,34 +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; @@ -1793,6 +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); } @@ -1800,7 +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) @@ -1854,7 +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) @@ -1865,7 +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? */ @@ -1960,11 +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); @@ -2017,10 +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); @@ -2046,16 +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); @@ -2070,12 +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); @@ -2576,7 +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; @@ -2940,6 +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); @@ -3474,54 +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; } @@ -5679,8 +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); @@ -5770,7 +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'); @@ -5907,7 +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) @@ -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; @@ -1603,6 +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 = @@ -1698,6 +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 = @@ -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; @@ -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 f0ddb31e8f..ce2d032521 100644 --- a/submodule.c +++ b/submodule.c @@ -2046,7 +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/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-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/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/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/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 686781192e..931d888bbb 100755 --- a/t/t0610-reftable-basics.sh +++ b/t/t0610-reftable-basics.sh @@ -340,6 +340,26 @@ test_expect_success 'ref transaction: empty transaction in empty repo' ' 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 "$table.lock" || exit 1 + done || + exit 1 + done && + test_line_count = 13 .git/reftable/tables.list + ) +' + test_expect_success 'pack-refs: compacts tables' ' test_when_finished "rm -rf repo" && git init repo && @@ -355,6 +375,65 @@ test_expect_success 'pack-refs: compacts tables' ' test_line_count = 1 repo/.git/reftable/tables.list ' +test_expect_success 'pack-refs: compaction raises locking errors' ' + test_when_finished "rm -rf repo" && + git init repo && + test_commit -C repo A && + touch repo/.git/reftable/tables.list.lock && + cat >expect <<-EOF && + error: unable to compact stack: data is locked + EOF + test_must_fail git -C repo pack-refs 2>err && + test_cmp expect err +' + +for command in pack-refs gc "maintenance run --task=pack-refs" +do +test_expect_success "$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 && 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 $hello_size >expect && echo HEAD:dirlink/ind1 | git cat-file --batch-check --follow-symlinks >actual && test_cmp expect actual ' diff --git a/t/t1016-compatObjectFormat.sh b/t/t1016-compatObjectFormat.sh new file mode 100755 index 0000000000..8132cd37b8 --- /dev/null +++ b/t/t1016-compatObjectFormat.sh @@ -0,0 +1,281 @@ +#!/bin/sh +# +# Copyright (c) 2023 Eric Biederman +# + +test_description='Test how well compatObjectFormat works' + +TEST_PASSES_SANITIZE_LEAK=true +. ./test-lib.sh +. "$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/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/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/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/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/t3200-branch.sh b/t/t3200-branch.sh index d3bbd00b81..ccfa6a720d 100755 --- a/t/t3200-branch.sh +++ b/t/t3200-branch.sh @@ -1154,9 +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. 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/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/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/t4205-log-pretty-formats.sh b/t/t4205-log-pretty-formats.sh index 1409eebcd8..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 ' 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/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" "$HTTPD_URL/smart/server" ' diff --git a/t/t5801/git-remote-testgit b/t/t5801/git-remote-testgit index bcfb358c51..c5b10f5775 100755 --- a/t/t5801/git-remote-testgit +++ b/t/t5801/git-remote-testgit @@ -30,6 +30,7 @@ GIT_DIR="$url/.git" export GIT_DIR force= +object_format= mkdir -p "$dir" @@ -61,7 +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 "@$head HEAD" diff --git a/t/t6500-gc.sh b/t/t6500-gc.sh index 18fe1c25e6..43d40175f8 100755 --- a/t/t6500-gc.sh +++ b/t/t6500-gc.sh @@ -11,23 +11,7 @@ test_expect_success 'setup' ' # behavior, make sure we always pack everything to one pack by # default git config gc.bigPackThreshold 2g && - - # These are simply values which, when hashed as a blob with a newline, - # produce a hash where the first byte is 0x17 in their respective - # algorithms. - test_oid_cache <<-EOF - obj1 sha1:263 - obj1 sha256:34 - - obj2 sha1:410 - obj2 sha256:174 - - obj3 sha1:523 - obj3 sha256:313 - - obj4 sha1:790 - obj4 sha256:481 - EOF + test_oid_init ' test_expect_success 'gc empty repository' ' @@ -114,8 +98,8 @@ test_expect_success 'pre-auto-gc hook can stop auto gc' ' # We need to create two object whose sha1s start with 17 # since this is what git gc counts. As it happens, these # two blobs will do so. - test_commit "$(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/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/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/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 ${opt} -y -t nonexistent branch + ' done test_expect_success 'difftool honors --gui' ' diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh index 6eaf116346..2eccf100c0 100644 --- a/t/test-lib-functions.sh +++ b/t/test-lib-functions.sh @@ -1655,7 +1655,16 @@ test_set_hash () { # Detect the hash algorithm in use. test_detect_hash () { - test_hash_algo="${GIT_TEST_DEFAULT_HASH:-sha1}" + case "$GIT_TEST_DEFAULT_HASH" in + "sha256") + test_hash_algo=sha256 + test_compat_hash_algo=sha1 + ;; + *) + test_hash_algo=sha1 + test_compat_hash_algo=sha256 + ;; + esac } # Detect the hash algorithm in use. @@ -1712,6 +1721,12 @@ test_oid () { local algo="${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;; 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-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(); } @@ -871,7 +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; @@ -891,7 +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; @@ -1002,7 +1002,7 @@ void parse_trailers(const struct process_trailer_options *opts, 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) { diff --git a/transport-helper.c b/transport-helper.c index b660b7942f..8d284b24d5 100644 --- a/transport-helper.c +++ b/transport-helper.c @@ -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 690fa6569b..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); @@ -102,7 +92,7 @@ void *fill_tree_descriptor(struct repository *r, if (!buf) 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) { @@ -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 2db4bb3a12..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); } @@ -1090,7 +1090,7 @@ 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))) { @@ -1106,8 +1106,8 @@ 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(struct wt_status *s) @@ -1183,8 +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); @@ -1209,20 +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); @@ -1389,7 +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 5e99ba4707..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 }; 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; |