diff options
338 files changed, 10453 insertions, 3108 deletions
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml index 7bacb322e4..3428773b09 100644 --- a/.github/workflows/main.yml +++ b/.github/workflows/main.yml @@ -159,7 +159,7 @@ jobs: if: failure() && env.FAILED_TEST_ARTIFACTS != '' uses: actions/upload-artifact@v4 with: - name: failed-tests-windows + name: failed-tests-windows-${{ matrix.nr }} path: ${{env.FAILED_TEST_ARTIFACTS}} vs-build: name: win+VS build @@ -250,7 +250,7 @@ jobs: if: failure() && env.FAILED_TEST_ARTIFACTS != '' uses: actions/upload-artifact@v4 with: - name: failed-tests-windows + name: failed-tests-windows-vs-${{ matrix.nr }} path: ${{env.FAILED_TEST_ARTIFACTS}} regular: name: ${{matrix.vector.jobname}} (${{matrix.vector.pool}}) @@ -266,6 +266,9 @@ jobs: - jobname: linux-sha256 cc: clang pool: ubuntu-latest + - jobname: linux-reftable + cc: clang + pool: ubuntu-latest - jobname: linux-gcc cc: gcc cc_package: gcc-8 @@ -277,6 +280,9 @@ jobs: - jobname: osx-clang cc: clang pool: macos-13 + - jobname: osx-reftable + cc: clang + pool: macos-13 - jobname: osx-gcc cc: gcc cc_package: gcc-13 @@ -287,6 +293,9 @@ jobs: - jobname: linux-leaks cc: gcc pool: ubuntu-latest + - jobname: linux-reftable-leaks + cc: gcc + pool: ubuntu-latest - jobname: linux-asan-ubsan cc: clang pool: ubuntu-latest diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml index 43bfbd8834..c0fa2fe90b 100644 --- a/.gitlab-ci.yml +++ b/.gitlab-ci.yml @@ -26,6 +26,9 @@ test:linux: - jobname: linux-sha256 image: ubuntu:latest CC: clang + - jobname: linux-reftable + image: ubuntu:latest + CC: clang - jobname: linux-gcc image: ubuntu:20.04 CC: gcc @@ -40,6 +43,9 @@ test:linux: - jobname: linux-leaks image: ubuntu:latest CC: gcc + - jobname: linux-reftable-leaks + image: ubuntu:latest + CC: gcc - jobname: linux-asan-ubsan image: ubuntu:latest CC: clang @@ -79,6 +85,9 @@ test:osx: - jobname: osx-clang image: macos-13-xcode-14 CC: clang + - jobname: osx-reftable + image: macos-13-xcode-14 + CC: clang artifacts: paths: - t/failed-test-artifacts diff --git a/Documentation/CodingGuidelines b/Documentation/CodingGuidelines index 578587a471..32e69f798e 100644 --- a/Documentation/CodingGuidelines +++ b/Documentation/CodingGuidelines @@ -446,12 +446,41 @@ For C programs: detail. - The first #include in C files, except in platform specific compat/ - implementations and sha1dc/, must be either "git-compat-util.h" or - one of the approved headers that includes it first for you. (The - approved headers currently include "builtin.h", - "t/helper/test-tool.h", "xdiff/xinclude.h", or - "reftable/system.h".) You do not have to include more than one of - these. + implementations and sha1dc/, must be <git-compat-util.h>. This + header file insulates other header files and source files from + platform differences, like which system header files must be + included in what order, and what C preprocessor feature macros must + be defined to trigger certain features we expect out of the system. + A collorary to this is that C files should not directly include + system header files themselves. + + There are some exceptions, because certain group of files that + implement an API all have to include the same header file that + defines the API and it is convenient to include <git-compat-util.h> + there. Namely: + + - the implementation of the built-in commands in the "builtin/" + directory that include "builtin.h" for the cmd_foo() prototype + definition, + + - the test helper programs in the "t/helper/" directory that include + "t/helper/test-tool.h" for the cmd__foo() prototype definition, + + - the xdiff implementation in the "xdiff/" directory that includes + "xdiff/xinclude.h" for the xdiff machinery internals, + + - the unit test programs in "t/unit-tests/" directory that include + "t/unit-tests/test-lib.h" that gives them the unit-tests + framework, and + + - the source files that implement reftable in the "reftable/" + directory that include "reftable/system.h" for the reftable + internals, + + are allowed to assume that they do not have to include + <git-compat-util.h> themselves, as it is included as the first + '#include' in these header files. These headers must be the first + header file to be "#include"d in them, though. - A C file must directly include the header files that declare the functions and the types it uses, except for the functions and types @@ -666,6 +695,11 @@ Writing Documentation: <new-branch-name> --template=<template-directory> + 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. + Possibility of multiple occurrences is indicated by three dots: <file>... (One or more of <file>.) @@ -751,6 +785,8 @@ Writing Documentation: 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/RelNotes/2.45.0.txt b/Documentation/RelNotes/2.45.0.txt new file mode 100644 index 0000000000..903c665960 --- /dev/null +++ b/Documentation/RelNotes/2.45.0.txt @@ -0,0 +1,250 @@ +Git v2.45 Release Notes +======================= + +Backward Compatibility Notes + +UI, Workflows & Features + + * Integrate the reftable code into the refs framework as a backend. + With "git init --ref-format=reftable", hopefully it would be a lot + more efficient to manage a repository with many references. + + * "git checkout -p" and friends learned that that "@" is a synonym + for "HEAD". + + * Variants of vimdiff learned to honor mergetool.<variant>.layout + settings. + + * "git reflog" learned a "list" subcommand that enumerates known reflogs. + + * When a merge conflicted at a submodule, merge-ort backend used to + unconditionally give a lengthy message to suggest how to resolve + it. Now the message can be squelched as an advice message. + + * "git for-each-ref" learned "--include-root-refs" option to show + even the stuff outside the 'refs/' hierarchy. + + * "git rev-list --missing=print" has learned to optionally take + "--allow-missing-tips", which allows the objects at the starting + points to be missing. + + * "git merge-tree" has learned that the three trees involved in the + 3-way merge only need to be trees, not necessarily commits. + + * "git log --merge" learned to pay attention to CHERRY_PICK_HEAD and + other kinds of *_HEAD pseudorefs. + + * Platform specific tweaks for OS/390 has been added to + config.mak.uname. + + * Users with safe.bareRepository=explicit can still work from within + $GIT_DIR of a seconary worktree (which resides at .git/worktrees/$name/) + of the primary worktree without explicitly specifying the $GIT_DIR + environment variable or the --git-dir=<path> option. + + * The output format for dates "iso-strict" has been tweaked to show + a time in the Zulu timezone with "Z" suffix, instead of "+00:00". + + +Performance, Internal Implementation, Development Support etc. + + * The code to iterate over refs with the reftable backend has seen + some optimization. + + * More tests that are marked as "ref-files only" have been updated to + improve test coverage of reftable backend. + + * Some parts of command line completion script (in contrib/) have + been micro-optimized. + + * The way placeholders are to be marked-up in documentation have been + specified; use "_<placeholder>_" to typeset the word inside a pair + of <angle-brakets> emphasized. + + * "git --no-lazy-fetch cmd" allows to run "cmd" while disabling lazy + fetching of objects from the promisor remote, which may be handy + for debugging. + + * The implementation in "git clean" that makes "-n" and "-i" ignore + clean.requireForce has been simplified, together with the + documentation. + + * The code to iterate over refs with the reftable backend has seen + some optimization. + + * Uses of xwrite() helper have been audited and updated for better + error checking and simpler code. + + * Some trace2 events that lacked def_param have learned to show it, + enriching the output. + + * The parse-options code that deals with abbreviated long option + names have been cleaned up. + + * The code in reftable backend that creates new table files works + better with the tempfile framework to avoid leaving cruft after a + failure. + + * The reftable code has its own custom binary search function whose + comparison callback has an unusual interface, which caused the + binary search to degenerate into a linear search, which has been + corrected. + + * The code to iterate over reflogs in the reftable has been optimized + to reduce memory allocation and deallocation. + + +Fixes since v2.44 +----------------- + + * "git apply" on a filesystem without filemode support have learned + to take a hint from what is in the index for the path, even when + not working with the "--index" or "--cached" option, when checking + the executable bit match what is required by the preimage in the + patch. + (merge 45b625142d cp/apply-core-filemode later to maint). + + * "git column" has been taught to reject negative padding value, as + it would lead to nonsense behaviour including division by zero. + (merge 76fb807faa kh/column-reject-negative-padding later to maint). + + * "git am --help" now tells readers what actions are available in + "git am --whitespace=<action>", in addition to saying that the + option is passed through to the underlying "git apply". + (merge a171dac734 jc/am-whitespace-doc later to maint). + + * "git tag --column" failed to check the exit status of its "git + column" invocation, which has been corrected. + (merge 92e66478fc rj/tag-column-fix later to maint). + + * Credential helper based on libsecret (in contrib/) has been updated + to handle an empty password correctly. + (merge 8f1f2023b7 mh/libsecret-empty-password-fix later to maint). + + * "git difftool --dir-diff" learned to honor the "--trust-exit-code" + option; it used to always exit with 0 and signalled success. + (merge eb84c8b6ce ps/difftool-dir-diff-exit-code later to maint). + + * The code incorrectly attempted to use textconv cache when asked, + even when we are not running in a repository, which has been + corrected. + (merge affe355fe7 jk/textconv-cache-outside-repo-fix later to maint). + + * Remove an empty file that shouldn't have been added in the first + place. + (merge 4f66942215 js/remove-cruft-files later to maint). + + * The logic to access reflog entries by date and number had ugly + corner cases at the boundaries, which have been cleaned up. + (merge 5edd126720 jk/reflog-special-cases-fix later to maint). + + * An error message from "git upload-pack", which responds to "git + fetch" requests, had a trialing NUL in it, which has been + corrected. + (merge 3f4c7a0805 sg/upload-pack-error-message-fix later to maint). + + * Clarify wording in the CodingGuidelines that requires <git-compat-util.h> + to be the first header file. + (merge 4e89f0e07c jc/doc-compat-util later to maint). + + * "git commit -v --cleanup=scissors" used to add the scissors line + twice in the log message buffer, which has been corrected. + (merge e90cc075cc jt/commit-redundant-scissors-fix later to maint). + + * A custom remote helper no longer cannot access the newly created + repository during "git clone", which is a regression in Git 2.44. + This has been corrected. + (merge 199f44cb2e ps/remote-helper-repo-initialization-fix later to maint). + + * Various parts of upload-pack has been updated to bound the resource + consumption relative to the size of the repository to protect from + abusive clients. + (merge 6cd05e768b jk/upload-pack-bounded-resources later to maint). + + * The upload-pack program, when talking over v2, accepted the + packfile-uris protocol extension from the client, even if it did + not advertise the capability, which has been corrected. + (merge a922bfa3b5 jk/upload-pack-v2-capability-cleanup later to maint). + + * Make sure failure return from merge_bases_many() is properly caught. + (merge 25fd20eb44 js/merge-base-with-missing-commit later to maint). + + * FSMonitor client code was confused when FSEvents were given in a + different case on a case-insensitive filesystem, which has been + corrected. + (merge 29c139ce78 jh/fsmonitor-icase-corner-case-fix later to maint). + + * The "core.commentChar" configuration variable only allows an ASCII + character, which was not clearly documented, which has been + corrected. + (merge fb7c556f58 kh/doc-commentchar-is-a-byte later to maint). + + * With release 2.44 we got rid of all uses of test_i18ngrep and there + is no in-flight topic that adds a new use of it. Make a call to + test_i18ngrep a hard failure, so that we can remove it at the end + of this release cycle. + (merge 381a83dfa3 jc/test-i18ngrep later to maint). + + * The command line completion script (in contrib/) learned to + complete "git reflog" better. + (merge 1284f9cc11 rj/complete-reflog later to maint). + + * The logic to complete the command line arguments to "git worktree" + subcommand (in contrib/) has been updated to correctly honor things + like "git -C dir" etc. + (merge 3574816d98 rj/complete-worktree-paths-fix later to maint). + + * When git refuses to create a branch because the proposed branch + name is not a valid refname, an advice message is given to refer + the user to exact naming rules. + (merge 8fbd903e58 kh/branch-ref-syntax-advice later to maint). + + * Code simplification by getting rid of code that sets an environment + variable that is no longer used. + (merge 72a8d3f027 pw/rebase-i-ignore-cherry-pick-help-environment later to maint). + + * The code to find the effective end of log message can fall into an + endless loop, which has been corrected. + (merge 2541cba2d6 fs/find-end-of-log-message-fix later to maint). + + * Mark-ups used in the documentation has been improved for + consistency. + (merge 45d5ed3e50 ja/doc-markup-fixes later to maint). + + * The status.showUntrackedFiles configuration variable was + incorrectly documented to accept "false", which has been corrected. + + * Leaks from "git restore" have been plugged. + (merge 2f64da0790 rj/restore-plug-leaks later to maint). + + * "git bugreport --no-suffix" was not supported and instead + segfaulted, which has been corrected. + (merge b3b57c69da js/bugreport-no-suffix-fix later to maint). + + * The documentation for "%(trailers[:options])" placeholder in the + "--pretty" option of commands in the "git log" family has been + updated. + (merge bff85a338c bl/doc-key-val-sep-fix later to maint). + + * 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). + (merge 64562d784d jb/doc-interactive-singlekey-do-not-need-perl later to maint). + (merge c431a235e2 cp/t9146-use-test-path-helpers later to maint). + (merge 82d75402d5 ds/doc-send-email-capitalization later to maint). + (merge 41bff66e35 jc/doc-add-placeholder-fix later to maint). + (merge 6835f0efe9 jw/remote-doc-typofix later to maint). + (merge 244001aa20 hs/rebase-not-in-progress later to maint). + (merge 2ca6c07db2 jc/no-include-of-compat-util-from-headers later to maint). + (merge 87bd7fbb9c rs/fetch-simplify-with-starts-with later to maint). + (merge f39addd0d9 rs/name-rev-with-mempool later to maint). + (merge 9a97b43e03 rs/submodule-prefix-simplify later to maint). + (merge 40b8076462 ak/rebase-autosquash later to maint). + (merge 3223204456 eg/add-uflags later to maint). + (merge 5f78d52dce es/config-doc-sort-sections later to maint). + (merge 781fb7b4c2 as/option-names-in-messages later to maint). + (merge 51d41dc243 jk/doc-remote-helpers-markup-fix later to maint). + (merge e1aaf309db pb/ci-win-artifact-names-fix later to maint). + (merge ad538c61da jc/index-pack-fsck-levels later to maint). + (merge 67471bc704 ja/doc-formatting-fix later to maint). + (merge 86f9ce7dd6 bl/doc-config-fixes later to maint). diff --git a/Documentation/config.txt b/Documentation/config.txt index e3a74dd1c1..782c2bab90 100644 --- a/Documentation/config.txt +++ b/Documentation/config.txt @@ -369,20 +369,18 @@ inventing new variables for use in your own tool, make sure their names do not conflict with those that are used by Git itself and other popular tools, and describe them in your documentation. -include::config/advice.txt[] - -include::config/attr.txt[] - -include::config/core.txt[] - include::config/add.txt[] +include::config/advice.txt[] + include::config/alias.txt[] include::config/am.txt[] include::config/apply.txt[] +include::config/attr.txt[] + include::config/blame.txt[] include::config/branch.txt[] @@ -405,10 +403,12 @@ include::config/commit.txt[] include::config/commitgraph.txt[] -include::config/credential.txt[] - include::config/completion.txt[] +include::config/core.txt[] + +include::config/credential.txt[] + include::config/diff.txt[] include::config/difftool.txt[] @@ -421,10 +421,10 @@ include::config/feature.txt[] include::config/fetch.txt[] -include::config/format.txt[] - include::config/filter.txt[] +include::config/format.txt[] + include::config/fsck.txt[] include::config/fsmonitor--daemon.txt[] @@ -435,10 +435,10 @@ include::config/gitcvs.txt[] include::config/gitweb.txt[] -include::config/grep.txt[] - include::config/gpg.txt[] +include::config/grep.txt[] + include::config/gui.txt[] include::config/guitool.txt[] @@ -519,10 +519,10 @@ include::config/splitindex.txt[] include::config/ssh.txt[] -include::config/status.txt[] - include::config/stash.txt[] +include::config/status.txt[] + include::config/submodule.txt[] include::config/tag.txt[] diff --git a/Documentation/config/advice.txt b/Documentation/config/advice.txt index c7ea70f2e2..f833411653 100644 --- a/Documentation/config/advice.txt +++ b/Documentation/config/advice.txt @@ -2,27 +2,27 @@ advice.*:: These variables control various optional help messages designed to aid new users. When left unconfigured, Git will give the message alongside instructions on how to squelch it. You can tell Git - that you do not need the help message by setting these to 'false': + that you do not need the help message by setting these to `false`: + -- addEmbeddedRepo:: - Advice on what to do when you've accidentally added one + Shown when the user accidentally adds one git repo inside of another. addEmptyPathspec:: - Advice shown if a user runs the add command without providing + Shown when the user runs `git add` without providing the pathspec parameter. addIgnoredFile:: - Advice shown if a user attempts to add an ignored file to + Shown when the user attempts to add an ignored file to the index. amWorkDir:: - Advice that shows the location of the patch file when - linkgit:git-am[1] fails to apply it. + Shown when linkgit:git-am[1] fails to apply a patch + file, to tell the user the location of the file. ambiguousFetchRefspec:: - Advice shown when a fetch refspec for multiple remotes maps to + Shown when a fetch refspec for multiple remotes maps to the same remote-tracking branch namespace and causes branch tracking set-up to fail. checkoutAmbiguousRemoteBranchName:: - Advice shown when the argument to + Shown when the argument to linkgit:git-checkout[1] and linkgit:git-switch[1] ambiguously resolves to a remote tracking branch on more than one remote in @@ -33,31 +33,31 @@ advice.*:: to be used by default in some situations where this advice would be printed. commitBeforeMerge:: - Advice shown when linkgit:git-merge[1] refuses to + Shown when linkgit:git-merge[1] refuses to merge to avoid overwriting local changes. detachedHead:: - Advice shown when you used + Shown when the user uses linkgit:git-switch[1] or linkgit:git-checkout[1] - to move to the detached HEAD state, to instruct how to - create a local branch after the fact. + to move to the detached HEAD state, to tell the user how + to create a local branch after the fact. diverging:: - Advice shown when a fast-forward is not possible. + Shown when a fast-forward is not possible. fetchShowForcedUpdates:: - Advice shown when linkgit:git-fetch[1] takes a long time + Shown when linkgit:git-fetch[1] takes a long time to calculate forced updates after ref updates, or to warn that the check is disabled. forceDeleteBranch:: - Advice shown when a user tries to delete a not fully merged + Shown when the user tries to delete a not fully merged branch without the force option set. ignoredHook:: - Advice shown if a hook is ignored because the hook is not + Shown when a hook is ignored because the hook is not set as executable. implicitIdentity:: - Advice on how to set your identity configuration when - your information is guessed from the system username and - domain name. + Shown when the user's information is guessed from the + system username and domain name, to tell the user how to + set their identity configuration. nestedTag:: - Advice shown if a user attempts to recursively tag a tag object. + Shown when a user attempts to recursively tag a tag object. pushAlreadyExists:: Shown when linkgit:git-push[1] rejects an update that does not qualify for fast-forwarding (e.g., a tag.) @@ -71,12 +71,12 @@ advice.*:: object that is not a commit-ish, or make the remote ref point at an object that is not a commit-ish. pushNonFFCurrent:: - Advice shown when linkgit:git-push[1] fails due to a + Shown when linkgit:git-push[1] fails due to a non-fast-forward update to the current branch. pushNonFFMatching:: - Advice shown when you ran linkgit:git-push[1] and pushed - 'matching refs' explicitly (i.e. you used ':', or - specified a refspec that isn't your current branch) and + Shown when the user ran linkgit:git-push[1] and pushed + "matching refs" explicitly (i.e. used `:`, or + specified a refspec that isn't the current branch) and it resulted in a non-fast-forward error. pushRefNeedsUpdate:: Shown when linkgit:git-push[1] rejects a forced update of @@ -87,25 +87,28 @@ advice.*:: guess based on the source and destination refs what remote ref namespace the source belongs in, but where we can still suggest that the user push to either - refs/heads/* or refs/tags/* based on the type of the + `refs/heads/*` or `refs/tags/*` based on the type of the source object. pushUpdateRejected:: - Set this variable to 'false' if you want to disable - 'pushNonFFCurrent', 'pushNonFFMatching', 'pushAlreadyExists', - 'pushFetchFirst', 'pushNeedsForce', and 'pushRefNeedsUpdate' + Set this variable to `false` if you want to disable + `pushNonFFCurrent`, `pushNonFFMatching`, `pushAlreadyExists`, + `pushFetchFirst`, `pushNeedsForce`, and `pushRefNeedsUpdate` simultaneously. + refSyntax:: + Shown when the user provides an illegal ref name, to + tell the user about the ref syntax documentation. resetNoRefresh:: - Advice to consider using the `--no-refresh` option to - linkgit:git-reset[1] when the command takes more than 2 seconds - to refresh the index after reset. + Shown when linkgit:git-reset[1] takes more than 2 + seconds to refresh the index after reset, to tell the user + that they can use the `--no-refresh` option. resolveConflict:: - Advice shown by various commands when conflicts + Shown by various commands when conflicts prevent the operation from being performed. rmHints:: - In case of failure in the output of linkgit:git-rm[1], - show directions on how to proceed from the current state. + Shown on failure in the output of linkgit:git-rm[1], to + give directions on how to proceed from the current state. sequencerInUse:: - Advice shown when a sequencer command is already in progress. + Shown when a sequencer command is already in progress. skippedCherryPicks:: Shown when linkgit:git-rebase[1] skips a commit that has already been cherry-picked onto the upstream branch. @@ -123,27 +126,30 @@ advice.*:: by linkgit:git-switch[1] or linkgit:git-checkout[1] when switching branches. statusUoption:: - Advise to consider using the `-u` option to linkgit:git-status[1] - when the command takes more than 2 seconds to enumerate untracked - files. + Shown when linkgit:git-status[1] takes more than 2 + seconds to enumerate untracked files, to tell the user that + they can use the `-u` option. submoduleAlternateErrorStrategyDie:: - Advice shown when a submodule.alternateErrorStrategy option + Shown when a submodule.alternateErrorStrategy option configured to "die" causes a fatal error. + submoduleMergeConflict:: + Advice shown when a non-trivial submodule merge conflict is + encountered. submodulesNotUpdated:: - Advice shown when a user runs a submodule command that fails + Shown when a user runs a submodule command that fails because `git submodule update --init` was not run. suggestDetachingHead:: - Advice shown when linkgit:git-switch[1] refuses to detach HEAD + Shown when linkgit:git-switch[1] refuses to detach HEAD without the explicit `--detach` option. updateSparsePath:: - Advice shown when either linkgit:git-add[1] or linkgit:git-rm[1] + Shown when either linkgit:git-add[1] or linkgit:git-rm[1] is asked to update index entries outside the current sparse checkout. waitingForEditor:: - Print a message to the terminal whenever Git is waiting for - editor input from the user. + Shown when Git is waiting for editor input. Relevant + when e.g. the editor is not launched inside the terminal. worktreeAddOrphan:: - Advice shown when a user tries to create a worktree from an - invalid reference, to instruct how to create a new unborn + Shown when the user tries to create a worktree from an + invalid reference, to tell the user how to create a new unborn branch instead. -- diff --git a/Documentation/config/clean.txt b/Documentation/config/clean.txt index f05b9403b5..c0188ead4e 100644 --- a/Documentation/config/clean.txt +++ b/Documentation/config/clean.txt @@ -1,3 +1,3 @@ clean.requireForce:: - A boolean to make git-clean do nothing unless given -f, - -i, or -n. Defaults to true. + A boolean to make git-clean refuse to delete files unless -f + is given. Defaults to true. diff --git a/Documentation/config/core.txt b/Documentation/config/core.txt index 0e8c2832bf..2d4bbdb25f 100644 --- a/Documentation/config/core.txt +++ b/Documentation/config/core.txt @@ -521,7 +521,7 @@ core.editor:: core.commentChar:: Commands such as `commit` and `tag` that let you edit - messages consider a line that begins with this character + messages consider a line that begins with this ASCII character commented, and removes them after the editor returns (default '#'). + diff --git a/Documentation/config/diff.txt b/Documentation/config/diff.txt index bd5ae0c337..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. @@ -223,5 +229,5 @@ diff.colorMoved:: diff.colorMovedWS:: When moved lines are colored using e.g. the `diff.colorMoved` setting, - this option controls the `<mode>` how spaces are treated - for details of valid modes see '--color-moved-ws' in linkgit:git-diff[1]. + this option controls the `<mode>` how spaces are treated. + For details of valid modes see '--color-moved-ws' in linkgit:git-diff[1]. 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/init.txt b/Documentation/config/init.txt index 79c79d6617..dd1d833273 100644 --- a/Documentation/config/init.txt +++ b/Documentation/config/init.txt @@ -1,7 +1,10 @@ -init.templateDir:: - Specify the directory from which templates will be copied. - (See the "TEMPLATE DIRECTORY" section of linkgit:git-init[1].) +:see-git-init: +ifndef::git-init[] +:see-git-init: (See the "TEMPLATE DIRECTORY" section of linkgit:git-init[1].) +endif::[] +init.templateDir:: + Specify the directory from which templates will be copied. {see-git-init} init.defaultBranch:: Allows overriding the default branch name e.g. when initializing a new repository. diff --git a/Documentation/config/interactive.txt b/Documentation/config/interactive.txt index a2d3c7ec44..5cc26555f1 100644 --- a/Documentation/config/interactive.txt +++ b/Documentation/config/interactive.txt @@ -4,9 +4,7 @@ interactive.singleKey:: Currently this is used by the `--patch` mode of linkgit:git-add[1], linkgit:git-checkout[1], linkgit:git-restore[1], linkgit:git-commit[1], - linkgit:git-reset[1], and linkgit:git-stash[1]. Note that this - setting is silently ignored if portable keystroke input - is not available; requires the Perl module Term::ReadKey. + linkgit:git-reset[1], and linkgit:git-stash[1]. interactive.diffFilter:: When an interactive command (such as `git add --patch`) shows diff --git a/Documentation/config/mergetool.txt b/Documentation/config/mergetool.txt index 294f61efd1..00bf665aa0 100644 --- a/Documentation/config/mergetool.txt +++ b/Documentation/config/mergetool.txt @@ -45,14 +45,21 @@ mergetool.meld.useAutoMerge:: value of `false` avoids using `--auto-merge` altogether, and is the default value. -mergetool.vimdiff.layout:: - The vimdiff backend uses this variable to control how its split - windows appear. Applies even if you are using Neovim (`nvim`) or - gVim (`gvim`) as the merge tool. See BACKEND SPECIFIC HINTS section +mergetool.<vimdiff variant>.layout:: + Configure the split window layout for vimdiff's `<variant>`, which is any of `vimdiff`, + `nvimdiff`, `gvimdiff`. + Upon launching `git mergetool` with `--tool=<variant>` (or without `--tool` + if `merge.tool` is configured as `<variant>`), Git will consult + `mergetool.<variant>.layout` to determine the tool's layout. If the + variant-specific configuration is not available, `vimdiff`'s is used as + fallback. If that too is not available, a default layout with 4 windows + will be used. To configure the layout, see the `BACKEND SPECIFIC HINTS` +ifdef::git-mergetool[] + section. +endif::[] ifndef::git-mergetool[] - in linkgit:git-mergetool[1]. + section in linkgit:git-mergetool[1]. endif::[] - for details. mergetool.hideResolved:: During a merge, Git will automatically resolve as many conflicts as diff --git a/Documentation/config/pack.txt b/Documentation/config/pack.txt index 9c630863e6..da527377fa 100644 --- a/Documentation/config/pack.txt +++ b/Documentation/config/pack.txt @@ -34,11 +34,10 @@ pack.allowPackReuse:: reachability bitmap is available, pack-objects will try to send parts of all packs in the MIDX. + - If only a single pack bitmap is available, and - `pack.allowPackReuse` is set to "multi", reuse parts of just the - bitmapped packfile. This can reduce memory and CPU usage to - serve fetches, but might result in sending a slightly larger - pack. Defaults to true. +If only a single pack bitmap is available, and `pack.allowPackReuse` +is set to "multi", reuse parts of just the bitmapped packfile. This +can reduce memory and CPU usage to serve fetches, but might result in +sending a slightly larger pack. Defaults to true. pack.island:: An extended regular expression configuring a set of delta diff --git a/Documentation/config/sendemail.txt b/Documentation/config/sendemail.txt index 7fc770ee9e..6a869d67eb 100644 --- a/Documentation/config/sendemail.txt +++ b/Documentation/config/sendemail.txt @@ -8,7 +8,7 @@ sendemail.smtpEncryption:: See linkgit:git-send-email[1] for description. Note that this setting is not subject to the 'identity' mechanism. -sendemail.smtpsslcertpath:: +sendemail.smtpSSLCertPath:: Path to ca-certificates (either a directory or a single file). Set it to an empty string to disable certificate verification. @@ -62,12 +62,12 @@ sendemail.chainReplyTo:: sendemail.envelopeSender:: sendemail.from:: sendemail.headerCmd:: -sendemail.signedoffbycc:: +sendemail.signedOffByCc:: sendemail.smtpPass:: -sendemail.suppresscc:: +sendemail.suppressCc:: sendemail.suppressFrom:: sendemail.to:: -sendemail.tocmd:: +sendemail.toCmd:: sendemail.smtpDomain:: sendemail.smtpServer:: sendemail.smtpServerPort:: @@ -81,8 +81,8 @@ sendemail.xmailer:: linkgit:git-send-email[1] command-line options. See its documentation for details. -sendemail.signedoffcc (deprecated):: - Deprecated alias for `sendemail.signedoffbycc`. +sendemail.signedOffCc (deprecated):: + Deprecated alias for `sendemail.signedOffByCc`. sendemail.smtpBatchSize:: Number of messages to be sent per connection, after that a relogin diff --git a/Documentation/config/status.txt b/Documentation/config/status.txt index 2ff8237f8f..8caf90f51c 100644 --- a/Documentation/config/status.txt +++ b/Documentation/config/status.txt @@ -57,6 +57,8 @@ status.showUntrackedFiles:: -- + If this variable is not specified, it defaults to 'normal'. +All usual spellings for Boolean value `true` are taken as `normal` +and `false` as `no`. This variable can be overridden with the -u|--untracked-files option of linkgit:git-status[1] and linkgit:git-commit[1]. diff --git a/Documentation/config/transfer.txt b/Documentation/config/transfer.txt index a9cbdb88a1..f1ce50f4a6 100644 --- a/Documentation/config/transfer.txt +++ b/Documentation/config/transfer.txt @@ -121,3 +121,7 @@ transfer.bundleURI:: information from the remote server (if advertised) and download bundles before continuing the clone through the Git protocol. Defaults to `false`. + +transfer.advertiseObjectInfo:: + When `true`, the `object-info` capability is advertised by + servers. Defaults to false. diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt index aaaff0d46f..0e9456957e 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -865,8 +865,9 @@ endif::git-format-patch[] --default-prefix:: Use the default source and destination prefixes ("a/" and "b/"). - This is usually the default already, but may be used to override - config such as `diff.noprefix`. + This overrides configuration variables such as `diff.noprefix`, + `diff.srcPrefix`, `diff.dstPrefix`, and `diff.mnemonicPrefix` + (see `git-config`(1)). --line-prefix=<prefix>:: Prepend an additional prefix to every line of output. diff --git a/Documentation/fetch-options.txt b/Documentation/fetch-options.txt index 54ebb4452e..e22b217fba 100644 --- a/Documentation/fetch-options.txt +++ b/Documentation/fetch-options.txt @@ -202,7 +202,7 @@ endif::git-pull[] destination of an explicit refspec; see `--prune`). ifndef::git-pull[] ---recurse-submodules[=yes|on-demand|no]:: +--recurse-submodules[=(yes|on-demand|no)]:: This option controls if and under what conditions new commits of submodules should be fetched too. When recursing through submodules, `git fetch` always attempts to fetch "changed" submodules, that is, a diff --git a/Documentation/git-add.txt b/Documentation/git-add.txt index 3d2e670716..14a371fff3 100644 --- a/Documentation/git-add.txt +++ b/Documentation/git-add.txt @@ -63,7 +63,7 @@ OPTIONS to ignore removed files; use `--no-all` option if you want to add modified or new files but ignore removed ones. + -For more details about the <pathspec> syntax, see the 'pathspec' entry +For more details about the _<pathspec>_ syntax, see the 'pathspec' entry in linkgit:gitglossary[7]. -n:: @@ -119,10 +119,10 @@ apply to the index. See EDITING PATCHES below. -u:: --update:: Update the index just where it already has an entry matching - <pathspec>. This removes as well as modifies index entries to + _<pathspec>_. This removes as well as modifies index entries to match the working tree, but adds no new files. + -If no <pathspec> is given when `-u` option is used, all +If no _<pathspec>_ is given when `-u` option is used, all tracked files in the entire working tree are updated (old versions of Git used to limit the update to the current directory and its subdirectories). @@ -131,11 +131,11 @@ subdirectories). --all:: --no-ignore-removal:: Update the index not only where the working tree has a file - matching <pathspec> but also where the index already has an + matching _<pathspec>_ but also where the index already has an entry. This adds, modifies, and removes index entries to match the working tree. + -If no <pathspec> is given when `-A` option is used, all +If no _<pathspec>_ is given when `-A` option is used, all files in the entire working tree are updated (old versions of Git used to limit the update to the current directory and its subdirectories). @@ -145,11 +145,11 @@ subdirectories). Update the index by adding new files that are unknown to the index and files modified in the working tree, but ignore files that have been removed from the working tree. This - option is a no-op when no <pathspec> is used. + option is a no-op when no _<pathspec>_ is used. + This option is primarily to help users who are used to older -versions of Git, whose "git add <pathspec>..." was a synonym -for "git add --no-all <pathspec>...", i.e. ignored removed files. +versions of Git, whose "git add _<pathspec>_..." was a synonym +for "git add --no-all _<pathspec>_...", i.e. ignored removed files. -N:: --intent-to-add:: @@ -198,8 +198,8 @@ for "git add --no-all <pathspec>...", i.e. ignored removed files. unchanged. --pathspec-from-file=<file>:: - Pathspec is passed in `<file>` instead of commandline args. If - `<file>` is exactly `-` then standard input is used. Pathspec + Pathspec is passed in _<file>_ instead of commandline args. If + _<file>_ is exactly `-` then standard input is used. Pathspec elements are separated by LF or CR/LF. Pathspec elements can be quoted as explained for the configuration variable `core.quotePath` (see linkgit:git-config[1]). See also `--pathspec-file-nul` and diff --git a/Documentation/git-am.txt b/Documentation/git-am.txt index e080458d6c..463a3c6600 100644 --- a/Documentation/git-am.txt +++ b/Documentation/git-am.txt @@ -128,6 +128,9 @@ include::rerere-options.txt[] These flags are passed to the 'git apply' (see linkgit:git-apply[1]) program that applies the patch. ++ +Valid <action> for the `--whitespace` option are: +`nowarn`, `warn`, `fix`, `error`, and `error-all`. --patch-format:: By default the command will try to detect the patch format diff --git a/Documentation/git-bugreport.txt b/Documentation/git-bugreport.txt index ca626f7fc6..112658b3c3 100644 --- a/Documentation/git-bugreport.txt +++ b/Documentation/git-bugreport.txt @@ -8,7 +8,8 @@ git-bugreport - Collect information for user to file a bug report SYNOPSIS -------- [verse] -'git bugreport' [(-o | --output-directory) <path>] [(-s | --suffix) <format>] +'git bugreport' [(-o | --output-directory) <path>] + [(-s | --suffix) <format> | --no-suffix] [--diagnose[=<mode>]] DESCRIPTION @@ -51,9 +52,12 @@ OPTIONS -s <format>:: --suffix <format>:: +--no-suffix:: Specify an alternate suffix for the bugreport name, to create a file named 'git-bugreport-<formatted-suffix>'. This should take the form of a strftime(3) format string; the current local time will be used. + `--no-suffix` disables the suffix and the file is just named + `git-bugreport` without any disambiguation measure. --no-diagnose:: --diagnose[=<mode>]:: diff --git a/Documentation/git-clean.txt b/Documentation/git-clean.txt index 69331e3f05..fd17165416 100644 --- a/Documentation/git-clean.txt +++ b/Documentation/git-clean.txt @@ -37,7 +37,7 @@ OPTIONS --force:: If the Git configuration variable clean.requireForce is not set to false, 'git clean' will refuse to delete files or directories - unless given -f or -i. Git will refuse to modify untracked + unless given -f. Git will refuse to modify untracked nested git repositories (directories with a .git subdirectory) unless a second -f is given. @@ -45,10 +45,14 @@ OPTIONS --interactive:: Show what would be done and clean files interactively. See ``Interactive mode'' for details. + Configuration variable `clean.requireForce` is ignored, as + this mode gives its own safety protection by going interactive. -n:: --dry-run:: Don't actually remove anything, just show what would be done. + Configuration variable `clean.requireForce` is ignored, as + nothing will be deleted anyway. -q:: --quiet:: diff --git a/Documentation/git-clone.txt b/Documentation/git-clone.txt index 6e43eb9c20..f90977a851 100644 --- a/Documentation/git-clone.txt +++ b/Documentation/git-clone.txt @@ -102,9 +102,9 @@ its source repository, you can simply run `git repack -a` to copy all objects from the source repository into a pack in the cloned repository. --reference[-if-able] <repository>:: - If the reference repository is on the local machine, + If the reference _<repository>_ is on the local machine, automatically setup `.git/objects/info/alternates` to - obtain objects from the reference repository. Using + obtain objects from the reference _<repository>_. Using an already existing repository as an alternate will require fewer objects to be copied from the repository being cloned, reducing network and local storage costs. @@ -156,13 +156,13 @@ objects from the source repository into a pack in the cloned repository. --[no-]reject-shallow:: Fail if the source repository is a shallow repository. - The 'clone.rejectShallow' configuration variable can be used to + The `clone.rejectShallow` configuration variable can be used to specify the default. --bare:: Make a 'bare' Git repository. That is, instead of - creating `<directory>` and placing the administrative - files in `<directory>/.git`, make the `<directory>` + creating _<directory>_ and placing the administrative + files in `<directory>/.git`, make the _<directory>_ itself the `$GIT_DIR`. This obviously implies the `--no-checkout` because there is nowhere to check out the working tree. Also the branch heads at the remote are copied directly @@ -180,11 +180,11 @@ objects from the source repository into a pack in the cloned repository. --filter=<filter-spec>:: Use the partial clone feature and request that the server sends a subset of reachable objects according to a given object filter. - When using `--filter`, the supplied `<filter-spec>` is used for + When using `--filter`, the supplied _<filter-spec>_ is used for the partial clone filter. For example, `--filter=blob:none` will filter out all blobs (file contents) until needed by Git. Also, `--filter=blob:limit=<size>` will filter out all blobs of size - at least `<size>`. For more details on filter specifications, see + at least _<size>_. For more details on filter specifications, see the `--filter` option in linkgit:git-rev-list[1]. --also-filter-submodules:: @@ -203,13 +203,13 @@ objects from the source repository into a pack in the cloned repository. -o <name>:: --origin <name>:: Instead of using the remote name `origin` to keep track of the upstream - repository, use `<name>`. Overrides `clone.defaultRemoteName` from the + repository, use _<name>_. Overrides `clone.defaultRemoteName` from the config. -b <name>:: --branch <name>:: Instead of pointing the newly created HEAD to the branch pointed - to by the cloned repository's HEAD, point to `<name>` branch + to by the cloned repository's HEAD, point to _<name>_ branch instead. In a non-bare repository, this is the branch that will be checked out. `--branch` can also take tags and detaches the HEAD at that commit @@ -230,7 +230,7 @@ objects from the source repository into a pack in the cloned repository. Set a configuration variable in the newly-created repository; this takes effect immediately after the repository is initialized, but before the remote history is fetched or any - files checked out. The key is in the same format as expected by + files checked out. The _<key>_ is in the same format as expected by linkgit:git-config[1] (e.g., `core.eol=true`). If multiple values are given for the same key, each value will be written to the config file. This makes it safe, for example, to add @@ -263,7 +263,7 @@ corresponding `--mirror` and `--no-tags` options instead. branch remote's `HEAD` points at. Further fetches into the resulting repository will only update the remote-tracking branch for the branch this option was used for the - initial cloning. If the HEAD at the remote did not point at any + initial cloning. If the `HEAD` at the remote did not point at any branch when `--single-branch` clone was made, no remote-tracking branch is created. @@ -281,7 +281,7 @@ branch of some repository for search indexing. --recurse-submodules[=<pathspec>]:: After the clone is created, initialize and clone submodules - within based on the provided pathspec. If no pathspec is + within based on the provided _<pathspec>_. If no _=<pathspec>_ is provided, all submodules are initialized and cloned. This option can be given multiple times for pathspecs consisting of multiple entries. The resulting clone has `submodule.active` set to @@ -311,7 +311,7 @@ or `--mirror` is given) The result is Git repository can be separated from working tree. ---ref-format=<ref-format:: +--ref-format=<ref-format>:: Specify the given ref storage format for the repository. The valid values are: + @@ -323,20 +323,20 @@ include::ref-storage-format.txt[] Defaults to the `submodule.fetchJobs` option. <repository>:: - The (possibly remote) repository to clone from. See the + The (possibly remote) _<repository>_ to clone from. See the <<URLS,GIT URLS>> section below for more information on specifying repositories. <directory>:: The name of a new directory to clone into. The "humanish" - part of the source repository is used if no directory is + part of the source repository is used if no _<directory>_ is explicitly given (`repo` for `/path/to/repo.git` and `foo` for `host.xz:foo/.git`). Cloning into an existing directory is only allowed if the directory is empty. --bundle-uri=<uri>:: Before fetching from the remote, fetch a bundle from the given - `<uri>` and unbundle the data into the local repository. The refs + _<uri>_ and unbundle the data into the local repository. The refs in the bundle will be stored under the hidden `refs/bundle/*` namespace. This option is incompatible with `--depth`, `--shallow-since`, and `--shallow-exclude`. diff --git a/Documentation/git-commit.txt b/Documentation/git-commit.txt index a6cef5d820..89ecfc63a8 100644 --- a/Documentation/git-commit.txt +++ b/Documentation/git-commit.txt @@ -347,6 +347,8 @@ The possible options are: - 'normal' - Shows untracked files and directories - 'all' - Also shows individual files in untracked directories. +All usual spellings for Boolean value `true` are taken as `normal` +and `false` as `no`. The default can be changed using the status.showUntrackedFiles configuration variable documented in linkgit:git-config[1]. -- diff --git a/Documentation/git-config.txt b/Documentation/git-config.txt index dff39093b5..a6e82b871b 100644 --- a/Documentation/git-config.txt +++ b/Documentation/git-config.txt @@ -275,7 +275,8 @@ Valid `<type>`'s include: -e:: --edit:: Opens an editor to modify the specified config file; either - `--system`, `--global`, or repository (default). + `--system`, `--global`, `--local` (default), `--worktree`, or + `--file <config-file>`. --[no-]includes:: Respect `include.*` directives in config files when looking up @@ -285,7 +286,7 @@ Valid `<type>`'s include: --default <value>:: When using `--get`, and the requested variable is not found, behave as if - <value> were the value assigned to the that variable. + <value> were the value assigned to that variable. CONFIGURATION ------------- diff --git a/Documentation/git-difftool.txt b/Documentation/git-difftool.txt index c05f97aca9..a616f8b2e6 100644 --- a/Documentation/git-difftool.txt +++ b/Documentation/git-difftool.txt @@ -105,7 +105,6 @@ instead. `--no-symlinks` is the default on Windows. `merge.tool` until a tool is found. --[no-]trust-exit-code:: - 'git-difftool' invokes a diff tool individually on each file. Errors reported by the diff tool are ignored by default. Use `--trust-exit-code` to make 'git-difftool' exit when an invoked diff tool returns a non-zero exit code. diff --git a/Documentation/git-fast-export.txt b/Documentation/git-fast-export.txt index 4643ddbe68..752e4b9b01 100644 --- a/Documentation/git-fast-export.txt +++ b/Documentation/git-fast-export.txt @@ -48,7 +48,7 @@ When asking to 'abort' (which is the default), this program will die when encountering such a tag. With 'drop' it will omit such tags from the output. With 'rewrite', if the tagged object is a commit, it will rewrite the tag to tag an ancestor commit (via parent rewriting; see -linkgit:git-rev-list[1]) +linkgit:git-rev-list[1]). -M:: -C:: diff --git a/Documentation/git-for-each-ref.txt b/Documentation/git-for-each-ref.txt index 3a9ad91b7a..c1dd12b93c 100644 --- a/Documentation/git-for-each-ref.txt +++ b/Documentation/git-for-each-ref.txt @@ -10,7 +10,7 @@ SYNOPSIS [verse] 'git for-each-ref' [--count=<count>] [--shell|--perl|--python|--tcl] [(--sort=<key>)...] [--format=<format>] - [ --stdin | <pattern>... ] + [--include-root-refs] [ --stdin | <pattern>... ] [--points-at=<object>] [--merged[=<object>]] [--no-merged[=<object>]] [--contains[=<object>]] [--no-contains[=<object>]] @@ -105,6 +105,9 @@ TAB %(refname)`. any excluded pattern(s) are shown. Matching is done using the same rules as `<pattern>` above. +--include-root-refs:: + List root refs (HEAD and pseudorefs) apart from regular refs. + FIELD NAMES ----------- diff --git a/Documentation/git-init.txt b/Documentation/git-init.txt index e8dc645bb5..2f864e11ed 100644 --- a/Documentation/git-init.txt +++ b/Documentation/git-init.txt @@ -33,10 +33,10 @@ If the object storage directory is specified via the are created underneath; otherwise, the default `$GIT_DIR/objects` directory is used. -Running 'git init' in an existing repository is safe. It will not +Running `git init` in an existing repository is safe. It will not overwrite things that are already there. The primary reason for -rerunning 'git init' is to pick up newly added templates (or to move -the repository to another place if --separate-git-dir is given). +rerunning `git init` is to pick up newly added templates (or to move +the repository to another place if `--separate-git-dir` is given). OPTIONS ------- @@ -53,14 +53,14 @@ current working directory. --object-format=<format>:: -Specify the given object format (hash algorithm) for the repository. The valid -values are 'sha1' and (if enabled) 'sha256'. 'sha1' is the default. +Specify the given object _<format>_ (hash algorithm) for the repository. The valid +values are `sha1` and (if enabled) `sha256`. `sha1` is the default. + include::object-format-disclaimer.txt[] --ref-format=<format>:: -Specify the given ref storage format for the repository. The valid values are: +Specify the given ref storage _<format>_ for the repository. The valid values are: + include::ref-storage-format.txt[] @@ -81,7 +81,7 @@ If this is a reinitialization, the repository will be moved to the specified pat -b <branch-name>:: --initial-branch=<branch-name>:: -Use the specified name for the initial branch in the newly created +Use _<branch-name>_ for the initial branch in the newly created repository. If not specified, fall back to the default name (currently `master`, but this is subject to change in the future; the name can be customized via the `init.defaultBranch` configuration variable). @@ -90,40 +90,44 @@ customized via the `init.defaultBranch` configuration variable). Specify that the Git repository is to be shared amongst several users. This allows users belonging to the same group to push into that -repository. When specified, the config variable "core.sharedRepository" is +repository. When specified, the config variable `core.sharedRepository` is set so that files and directories under `$GIT_DIR` are created with the requested permissions. When not specified, Git will use permissions reported -by umask(2). +by `umask(2)`. + -The option can have the following values, defaulting to 'group' if no value +The option can have the following values, defaulting to `group` if no value is given: + -- -'umask' (or 'false'):: +umask:: +false:: Use permissions reported by umask(2). The default, when `--shared` is not specified. -'group' (or 'true'):: +group:: +true:: Make the repository group-writable, (and g+sx, since the git group may not be the primary group of all users). This is used to loosen the permissions of an otherwise safe umask(2) value. Note that the umask still applies to the other -permission bits (e.g. if umask is '0022', using 'group' will not remove read -privileges from other (non-group) users). See '0xxx' for how to exactly specify +permission bits (e.g. if umask is `0022`, using `group` will not remove read +privileges from other (non-group) users). See `0xxx` for how to exactly specify the repository permissions. -'all' (or 'world' or 'everybody'):: +all:: +world:: +everybody:: -Same as 'group', but make the repository readable by all users. +Same as `group`, but make the repository readable by all users. -'<perm>':: +<perm>:: -'<perm>' is a 3-digit octal number prefixed with `0` and each file -will have mode '<perm>'. '<perm>' will override users' umask(2) -value (and not only loosen permissions as 'group' and 'all' -do). '0640' will create a repository which is group-readable, but -not group-writable or accessible to others. '0660' will create a repo +_<perm>_ is a 3-digit octal number prefixed with `0` and each file +will have mode _<perm>_. _<perm>_ will override users'`umask(2)` +value (and not only loosen permissions as `group` and `all` +do). `0640` will create a repository which is group-readable, but +not group-writable or accessible to others. `0660` will create a repo that is readable and writable to the current user and group, but inaccessible to others (directories and executable files get their `x` bit from the `r` bit for corresponding classes of users). @@ -133,7 +137,7 @@ By default, the configuration flag `receive.denyNonFastForwards` is enabled in shared repositories, so that you cannot force a non fast-forwarding push into it. -If you provide a 'directory', the command is run inside it. If this directory +If you provide a _<directory>_, the command is run inside it. If this directory does not exist, it will be created. TEMPLATE DIRECTORY @@ -172,7 +176,7 @@ $ git add . <2> $ git commit <3> ---------------- + -<1> Create a /path/to/my/codebase/.git directory. +<1> Create a `/path/to/my/codebase/.git` directory. <2> Add all existing files to the index. <3> Record the pristine state as the first commit in the history. @@ -181,6 +185,8 @@ CONFIGURATION include::includes/cmd-config-section-all.txt[] +:git-init: + include::config/init.txt[] GIT diff --git a/Documentation/git-interpret-trailers.txt b/Documentation/git-interpret-trailers.txt index 418265f044..d9dfb75fef 100644 --- a/Documentation/git-interpret-trailers.txt +++ b/Documentation/git-interpret-trailers.txt @@ -9,7 +9,7 @@ SYNOPSIS -------- [verse] 'git interpret-trailers' [--in-place] [--trim-empty] - [(--trailer (<key>|<keyAlias>)[(=|:)<value>])...] + [(--trailer (<key>|<key-alias>)[(=|:)<value>])...] [--parse] [<file>...] DESCRIPTION @@ -67,9 +67,9 @@ key: value This means that the trimmed <key> and <value> will be separated by `': '` (one colon followed by one space). -For convenience, a <keyAlias> can be configured to make using `--trailer` +For convenience, a <key-alias> can be configured to make using `--trailer` shorter to type on the command line. This can be configured using the -'trailer.<keyAlias>.key' configuration variable. The <keyAlias> must be a prefix +'trailer.<key-alias>.key' configuration variable. The <keyAlias> must be a prefix of the full <key> string, although case sensitivity does not matter. For example, if you have diff --git a/Documentation/git-merge-tree.txt b/Documentation/git-merge-tree.txt index b50acace3b..dd388fa21d 100644 --- a/Documentation/git-merge-tree.txt +++ b/Documentation/git-merge-tree.txt @@ -64,10 +64,13 @@ OPTIONS share no common history. This flag can be given to override that check and make the merge proceed anyway. ---merge-base=<commit>:: +--merge-base=<tree-ish>:: Instead of finding the merge-bases for <branch1> and <branch2>, specify a merge-base for the merge, and specifying multiple bases is currently not supported. This option is incompatible with `--stdin`. ++ +As the merge-base is provided directly, <branch1> and <branch2> do not need +to specify commits; trees are enough. [[OUTPUT]] OUTPUT diff --git a/Documentation/git-pull.txt b/Documentation/git-pull.txt index 0e14f8b5b2..b2ae496e48 100644 --- a/Documentation/git-pull.txt +++ b/Documentation/git-pull.txt @@ -87,7 +87,7 @@ OPTIONS --verbose:: Pass --verbose to git-fetch and git-merge. ---[no-]recurse-submodules[=yes|on-demand|no]:: +--[no-]recurse-submodules[=(yes|on-demand|no)]:: This option controls if new commits of populated submodules should be fetched, and if the working trees of active submodules should be updated, too (see linkgit:git-fetch[1], linkgit:git-config[1] and @@ -105,7 +105,7 @@ Options related to merging include::merge-options.txt[] -r:: ---rebase[=false|true|merges|interactive]:: +--rebase[=(false|true|merges|interactive)]:: When true, rebase the current branch on top of the upstream branch after fetching. If there is a remote-tracking branch corresponding to the upstream branch and the upstream branch diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt index 06206521fc..03d5e9936a 100644 --- a/Documentation/git-rebase.txt +++ b/Documentation/git-rebase.txt @@ -12,7 +12,7 @@ SYNOPSIS [--onto <newbase> | --keep-base] [<upstream> [<branch>]] 'git rebase' [-i | --interactive] [<options>] [--exec <cmd>] [--onto <newbase>] --root [<branch>] -'git rebase' (--continue | --skip | --abort | --quit | --edit-todo | --show-current-patch) +'git rebase' (--continue|--skip|--abort|--quit|--edit-todo|--show-current-patch) DESCRIPTION ----------- @@ -607,7 +607,7 @@ The recommended way to create commits with squash markers is by using the linkgit:git-commit[1], which take the target commit as an argument and automatically fill in the subject line of the new commit from that. + -Settting configuration variable `rebase.autoSquash` to true enables +Setting configuration variable `rebase.autoSquash` to true enables auto-squashing by default for interactive rebase. The `--no-autosquash` option can be used to override that setting. + diff --git a/Documentation/git-reflog.txt b/Documentation/git-reflog.txt index ec64cbff4c..a929c52982 100644 --- a/Documentation/git-reflog.txt +++ b/Documentation/git-reflog.txt @@ -10,6 +10,7 @@ SYNOPSIS -------- [verse] 'git reflog' [show] [<log-options>] [<ref>] +'git reflog list' 'git reflog expire' [--expire=<time>] [--expire-unreachable=<time>] [--rewrite] [--updateref] [--stale-fix] [--dry-run | -n] [--verbose] [--all [--single-worktree] | <refs>...] @@ -39,6 +40,8 @@ actions, and in addition the `HEAD` reflog records branch switching. `git reflog show` is an alias for `git log -g --abbrev-commit --pretty=oneline`; see linkgit:git-log[1] for more information. +The "list" subcommand lists all refs which have a corresponding reflog. + The "expire" subcommand prunes older reflog entries. Entries older than `expire` time, or entries older than `expire-unreachable` time and not reachable from the current tip, are removed from the reflog. diff --git a/Documentation/git-remote.txt b/Documentation/git-remote.txt index 1dec314834..932a5c3ea4 100644 --- a/Documentation/git-remote.txt +++ b/Documentation/git-remote.txt @@ -35,7 +35,7 @@ OPTIONS -v:: --verbose:: Be a little more verbose and show remote url after name. - For promisor remotes, also show which filter (`blob:none` etc.) + For promisor remotes, also show which filters (`blob:none` etc.) are configured. NOTE: This must be placed between `remote` and subcommand. diff --git a/Documentation/git-rev-parse.txt b/Documentation/git-rev-parse.txt index 546faf9017..f9d5a35fa0 100644 --- a/Documentation/git-rev-parse.txt +++ b/Documentation/git-rev-parse.txt @@ -9,7 +9,7 @@ git-rev-parse - Pick out and massage parameters SYNOPSIS -------- [verse] -'git rev-parse' [<options>] <args>... +'git rev-parse' [<options>] <arg>... DESCRIPTION ----------- @@ -130,7 +130,7 @@ for another option. 'git diff-{asterisk}'). In contrast to the `--sq-quote` option, the command input is still interpreted as usual. ---short[=length]:: +--short[=<length>]:: Same as `--verify` but shortens the object name to a unique prefix with at least `length` characters. The minimum length is 4, the default is the effective value of the `core.abbrev` @@ -159,15 +159,27 @@ 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 ~~~~~~~~~~~~~~~~~~~ --all:: Show all refs found in `refs/`. ---branches[=pattern]:: ---tags[=pattern]:: ---remotes[=pattern]:: +--branches[=<pattern>]:: +--tags[=<pattern>]:: +--remotes[=<pattern>]:: Show all branches, tags, or remote-tracking branches, respectively (i.e., refs found in `refs/heads`, `refs/tags`, or `refs/remotes`, respectively). @@ -176,7 +188,7 @@ If a `pattern` is given, only refs matching the given shell glob are shown. If the pattern does not contain a globbing character (`?`, `*`, or `[`), it is turned into a prefix match by appending `/*`. ---glob=pattern:: +--glob=<pattern>:: Show all refs matching the shell glob pattern `pattern`. If the pattern does not start with `refs/`, this is automatically prepended. If the pattern does not contain a globbing @@ -197,7 +209,7 @@ respectively, and they must begin with `refs/` when applied to `--glob` or `--all`. If a trailing '/{asterisk}' is intended, it must be given explicitly. ---exclude-hidden=[fetch|receive|uploadpack]:: +--exclude-hidden=(fetch|receive|uploadpack):: Do not include refs that would be hidden by `git-fetch`, `git-receive-pack` or `git-upload-pack` by consulting the appropriate `fetch.hideRefs`, `receive.hideRefs` or `uploadpack.hideRefs` @@ -314,17 +326,17 @@ The following options are unaffected by `--path-format`: Other Options ~~~~~~~~~~~~~ ---since=datestring:: ---after=datestring:: +--since=<datestring>:: +--after=<datestring>:: Parse the date string, and output the corresponding --max-age= parameter for 'git rev-list'. ---until=datestring:: ---before=datestring:: +--until=<datestring>:: +--before=<datestring>:: Parse the date string, and output the corresponding --min-age= parameter for 'git rev-list'. -<args>...:: +<arg>...:: Flags and parameters to be parsed. diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt index d1ef6a204e..c5d664f451 100644 --- a/Documentation/git-send-email.txt +++ b/Documentation/git-send-email.txt @@ -9,7 +9,7 @@ git-send-email - Send a collection of patches as emails SYNOPSIS -------- [verse] -'git send-email' [<options>] <file|directory>... +'git send-email' [<options>] (<file>|<directory>)... 'git send-email' [<options>] <format-patch-options> 'git send-email' --dump-aliases @@ -138,7 +138,7 @@ Note that no attempts whatsoever are made to validate the encoding. --compose-encoding=<encoding>:: Specify encoding of compose message. Default is the value of the - 'sendemail.composeencoding'; if that is unspecified, UTF-8 is assumed. + 'sendemail.composeEncoding'; if that is unspecified, UTF-8 is assumed. --transfer-encoding=(7bit|8bit|quoted-printable|base64|auto):: Specify the transfer encoding to be used to send the message over SMTP. @@ -174,7 +174,7 @@ Sending Specify a command to run to send the email. The command should be sendmail-like; specifically, it must support the `-i` option. The command will be executed in the shell if necessary. Default - is the value of `sendemail.sendmailcmd`. If unspecified, and if + is the value of `sendemail.sendmailCmd`. If unspecified, and if --smtp-server is also unspecified, git-send-email will search for `sendmail` in `/usr/sbin`, `/usr/lib` and $PATH. @@ -269,7 +269,7 @@ must be used for each option. certificates concatenated together: see verify(1) -CAfile and -CApath for more information on these). Set it to an empty string to disable certificate verification. Defaults to the value of the - `sendemail.smtpsslcertpath` configuration variable, if set, or the + `sendemail.smtpSSLCertPath` configuration variable, if set, or the backing SSL library's compiled-in default otherwise (which should be the best choice on most platforms). @@ -278,7 +278,7 @@ must be used for each option. if a username is not specified (with `--smtp-user` or `sendemail.smtpUser`), then authentication is not attempted. ---smtp-debug=0|1:: +--smtp-debug=(0|1):: Enable (1) or disable (0) debug output. If enabled, SMTP commands and replies will be printed. Useful to debug TLS connection and authentication problems. @@ -301,7 +301,9 @@ must be used for each option. Automating ~~~~~~~~~~ ---no-[to|cc|bcc]:: +--no-to:: +--no-cc:: +--no-bcc:: Clears any list of "To:", "Cc:", "Bcc:" addresses previously set via config. @@ -313,7 +315,7 @@ Automating Specify a command to execute once per patch file which should generate patch file specific "To:" entries. Output of this command must be single email address per line. - Default is the value of 'sendemail.tocmd' configuration value. + Default is the value of 'sendemail.toCmd' configuration value. --cc-cmd=<command>:: Specify a command to execute once per patch file which @@ -348,19 +350,19 @@ Automating --[no-]signed-off-by-cc:: If this is set, add emails found in the `Signed-off-by` trailer or Cc: lines to the - cc list. Default is the value of `sendemail.signedoffbycc` configuration + cc list. Default is the value of `sendemail.signedOffByCc` configuration value; if that is unspecified, default to --signed-off-by-cc. --[no-]cc-cover:: If this is set, emails found in Cc: headers in the first patch of the series (typically the cover letter) are added to the cc list - for each email set. Default is the value of 'sendemail.cccover' + for each email set. Default is the value of 'sendemail.ccCover' configuration value; if that is unspecified, default to --no-cc-cover. --[no-]to-cover:: If this is set, emails found in To: headers in the first patch of the series (typically the cover letter) are added to the to list - for each email set. Default is the value of 'sendemail.tocover' + for each email set. Default is the value of 'sendemail.toCover' configuration value; if that is unspecified, default to --no-to-cover. --suppress-cc=<category>:: @@ -384,7 +386,7 @@ Automating - 'all' will suppress all auto cc values. -- + -Default is the value of `sendemail.suppresscc` configuration value; if +Default is the value of `sendemail.suppressCc` configuration value; if that is unspecified, default to 'self' if --suppress-from is specified, as well as 'body' if --no-signed-off-cc is specified. @@ -471,7 +473,7 @@ Information Instead of the normal operation, dump the shorthand alias names from the configured alias file(s), one per line in alphabetical order. Note that this only includes the alias name and not its expanded email addresses. - See 'sendemail.aliasesfile' for more information about aliases. + See 'sendemail.aliasesFile' for more information about aliases. CONFIGURATION diff --git a/Documentation/git-status.txt b/Documentation/git-status.txt index 4dbb88373b..9a376886a5 100644 --- a/Documentation/git-status.txt +++ b/Documentation/git-status.txt @@ -79,6 +79,8 @@ Consider enabling untracked cache and split index if supported (see `git update-index --untracked-cache` and `git update-index --split-index`), Otherwise you can use `no` to have `git status` return more quickly without showing untracked files. +All usual spellings for Boolean value `true` are taken as `normal` +and `false` as `no`. The default can be changed using the status.showUntrackedFiles configuration variable documented in linkgit:git-config[1]. @@ -472,7 +474,7 @@ again, because your configuration may already be caching `git status` results, so it could be faster on subsequent runs. * The `--untracked-files=no` flag or the - `status.showUntrackedfiles=false` config (see above for both): + `status.showUntrackedFiles=no` config (see above for both): indicate that `git status` should not report untracked files. This is the fastest option. `git status` will not list the untracked files, so you need to be careful to remember if diff --git a/Documentation/git.txt b/Documentation/git.txt index 0d25224c96..7a1b112a3e 100644 --- a/Documentation/git.txt +++ b/Documentation/git.txt @@ -174,8 +174,17 @@ If you just want to run git as if it was started in `<path>` then use directory. --no-replace-objects:: - Do not use replacement refs to replace Git objects. See - linkgit:git-replace[1] for more information. + Do not use replacement refs to replace Git objects. + This is equivalent to exporting the `GIT_NO_REPLACE_OBJECTS` + environment variable with any value. + See linkgit:git-replace[1] for more information. + +--no-lazy-fetch:: + Do not fetch missing objects from the promisor remote on + demand. Useful together with `git cat-file -e <object>` to + see if the object is locally available. + This is equivalent to setting the `GIT_NO_LAZY_FETCH` + environment variable to `1`. --literal-pathspecs:: Treat pathspecs literally (i.e. no globbing, no pathspec magic). @@ -872,6 +881,10 @@ for full details. header and packfile URIs. Set this Boolean environment variable to false to prevent this redaction. +`GIT_NO_REPLACE_OBJECTS`:: + Setting and exporting this environment variable tells Git to + ignore replacement refs and do not replace Git objects. + `GIT_LITERAL_PATHSPECS`:: Setting this Boolean environment variable to true will cause Git to treat all pathspecs literally, rather than as glob patterns. For example, @@ -893,6 +906,11 @@ for full details. Setting this Boolean environment variable to true will cause Git to treat all pathspecs as case-insensitive. +`GIT_NO_LAZY_FETCH`:: + Setting this Boolean environment variable to true tells Git + not to lazily fetch missing objects from the promisor remote + on demand. + `GIT_REFLOG_ACTION`:: When a ref is updated, reflog entries are created to keep track of the reason why the ref was updated (which is @@ -942,7 +960,7 @@ will never be returned from the commit-graph at the cost of performance. `GIT_PROTOCOL`:: For internal use only. Used in handshaking the wire protocol. Contains a colon ':' separated list of keys with optional values - 'key[=value]'. Presence of unknown keys and values must be + '<key>[=<value>]'. Presence of unknown keys and values must be ignored. + Note that servers may need to be configured to allow this variable to diff --git a/Documentation/gitcli.txt b/Documentation/gitcli.txt index e5fac94322..7c709324ba 100644 --- a/Documentation/gitcli.txt +++ b/Documentation/gitcli.txt @@ -81,9 +81,6 @@ you will. Here are the rules regarding the "flags" that you should follow when you are scripting Git: - * It's preferred to use the non-dashed form of Git commands, which means that - you should prefer `git foo` to `git-foo`. - * Splitting short options to separate words (prefer `git foo -a -b` to `git foo -ab`, the latter may not even work). diff --git a/Documentation/gitprotocol-v2.txt b/Documentation/gitprotocol-v2.txt index 0b800abd56..414bc625d5 100644 --- a/Documentation/gitprotocol-v2.txt +++ b/Documentation/gitprotocol-v2.txt @@ -346,7 +346,8 @@ the 'wanted-refs' section in the server's response as explained below. want-ref <ref> Indicates to the server that the client wants to retrieve a particular ref, where <ref> is the full name of a ref on the - server. + server. It is a protocol error to send want-ref for the + same ref more than once. If the 'sideband-all' feature is advertised, the following argument can be included in the client's request: @@ -361,7 +362,8 @@ included in the client's request: If the 'packfile-uris' feature is advertised, the following argument can be included in the client's request as well as the potential addition of the 'packfile-uris' section in the server's response as -explained below. +explained below. Note that at most one `packfile-uris` line can be sent +to the server. packfile-uris <comma-separated-list-of-protocols> Indicates to the server that the client is willing to receive diff --git a/Documentation/gitremote-helpers.txt b/Documentation/gitremote-helpers.txt index ed8da428c9..07c8439a6f 100644 --- a/Documentation/gitremote-helpers.txt +++ b/Documentation/gitremote-helpers.txt @@ -526,7 +526,7 @@ set by Git if the remote helper has the 'option' capability. 'option pushcert' {'true'|'false'}:: GPG sign pushes. -'option push-option <string>:: +'option push-option' <string>:: Transmit <string> as a push option. As the push option must not contain LF or NUL characters, the string is not encoded. diff --git a/Documentation/howto/update-hook-example.txt b/Documentation/howto/update-hook-example.txt index 151ee84ceb..4e727deedd 100644 --- a/Documentation/howto/update-hook-example.txt +++ b/Documentation/howto/update-hook-example.txt @@ -100,7 +100,7 @@ info "The user is: '$username'" if test -f "$allowed_users_file" then - rc=$(cat $allowed_users_file | grep -v '^#' | grep -v '^$' | + rc=$(grep -Ev '^(#|$)' $allowed_users_file | while read heads user_patterns do # does this rule apply to us? @@ -138,7 +138,7 @@ info "'$groups'" if test -f "$allowed_groups_file" then - rc=$(cat $allowed_groups_file | grep -v '^#' | grep -v '^$' | + rc=$(grep -Ev '^(#|$)' $allowed_groups_file | while read heads group_patterns do # does this rule apply to us? diff --git a/Documentation/mergetools/vimdiff.txt b/Documentation/mergetools/vimdiff.txt index d1a4c468e6..befa86d692 100644 --- a/Documentation/mergetools/vimdiff.txt +++ b/Documentation/mergetools/vimdiff.txt @@ -177,7 +177,8 @@ Instead of `--tool=vimdiff`, you can also use one of these other variants: When using these variants, in order to specify a custom layout you will have to set configuration variables `mergetool.gvimdiff.layout` and -`mergetool.nvimdiff.layout` instead of `mergetool.vimdiff.layout` +`mergetool.nvimdiff.layout` instead of `mergetool.vimdiff.layout` (though the +latter will be used as fallback if the variant-specific one is not set). In addition, for backwards compatibility with previous Git versions, you can also append `1`, `2` or `3` to either `vimdiff` or any of the variants (ex: diff --git a/Documentation/pretty-formats.txt b/Documentation/pretty-formats.txt index d38b4ab566..8ee940b6a4 100644 --- a/Documentation/pretty-formats.txt +++ b/Documentation/pretty-formats.txt @@ -316,9 +316,8 @@ multiple times, the last occurrence wins. `Reviewed-by`. ** 'only[=<bool>]': select whether non-trailer lines from the trailer block should be included. -** 'separator=<sep>': specify a separator inserted between trailer - lines. When this option is not given each trailer line is - terminated with a line feed character. The string <sep> may contain +** 'separator=<sep>': specify the separator inserted between trailer + lines. Defaults to a line feed character. The string <sep> may contain the literal formatting codes described above. To use comma as separator one must use `%x2C` as it would otherwise be parsed as next option. E.g., `%(trailers:key=Ticket,separator=%x2C )` @@ -329,10 +328,9 @@ multiple times, the last occurrence wins. `%(trailers:only,unfold=true)` unfolds and shows all trailer lines. ** 'keyonly[=<bool>]': only show the key part of the trailer. ** 'valueonly[=<bool>]': only show the value part of the trailer. -** 'key_value_separator=<sep>': specify a separator inserted between - trailer lines. When this option is not given each trailer key-value - pair is separated by ": ". Otherwise it shares the same semantics - as 'separator=<sep>' above. +** 'key_value_separator=<sep>': specify the separator inserted between + the key and value of each trailer. Defaults to ": ". Otherwise it + shares the same semantics as 'separator=<sep>' above. NOTE: Some placeholders may depend on other options given to the revision traversal engine. For example, the `%g*` reflog options will diff --git a/Documentation/ref-storage-format.txt b/Documentation/ref-storage-format.txt index 1a65cac468..14fff8a9c6 100644 --- a/Documentation/ref-storage-format.txt +++ b/Documentation/ref-storage-format.txt @@ -1 +1,3 @@ * `files` for loose files with packed-refs. This is the default. +* `reftable` for the reftable format. This format is experimental and its + internals are subject to change. diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt index a583b52c61..00ccf68744 100644 --- a/Documentation/rev-list-options.txt +++ b/Documentation/rev-list-options.txt @@ -316,12 +316,12 @@ list. With `--pretty` format other than `oneline` and `reference` (for obvious reasons), this causes the output to have two extra lines of information taken from the reflog. The reflog designator in the output may be shown -as `ref@{Nth}` (where `Nth` is the reverse-chronological index in the -reflog) or as `ref@{timestamp}` (with the timestamp for that entry), +as `ref@{<Nth>}` (where _<Nth>_ is the reverse-chronological index in the +reflog) or as `ref@{<timestamp>}` (with the _<timestamp>_ for that entry), depending on a few rules: + -- -1. If the starting point is specified as `ref@{Nth}`, show the index +1. If the starting point is specified as `ref@{<Nth>}`, show the index format. + 2. If the starting point was specified as `ref@{now}`, show the @@ -341,8 +341,11 @@ See also linkgit:git-reflog[1]. Under `--pretty=reference`, this information will not be shown at all. --merge:: - After a failed merge, show refs that touch files having a - conflict and don't exist on all heads to merge. + Show commits touching conflicted paths in the range `HEAD...<other>`, + where `<other>` is the first existing pseudoref in `MERGE_HEAD`, + `CHERRY_PICK_HEAD`, `REVERT_HEAD` or `REBASE_HEAD`. Only works + when the index has unmerged entries. This option can be used to show + relevant commits when resolving conflicts from a 3-way merge. --boundary:: Output excluded boundary commits. Boundary commits are @@ -1019,6 +1022,10 @@ Unexpected missing objects will raise an error. + The form '--missing=print' is like 'allow-any', but will also print a list of the missing objects. Object IDs are prefixed with a ``?'' character. ++ +If some tips passed to the traversal are missing, they will be +considered as missing too, and the traversal will ignore them. In case +we cannot get their Object ID though, an error will be raised. --exclude-promisor-objects:: (For internal use only.) Prefilter object traversal at diff --git a/Documentation/technical/repository-version.txt b/Documentation/technical/repository-version.txt index 27be3741e6..47281420fc 100644 --- a/Documentation/technical/repository-version.txt +++ b/Documentation/technical/repository-version.txt @@ -103,5 +103,6 @@ GIT_COMMON_DIR/worktrees/<id>/config.worktree) ==== `refStorage` -Specifies the file format for the ref database. The only valid value -is `files` (loose references with a packed-refs file). +Specifies the file format for the ref database. The valid values are +`files` (loose references with a packed-refs file) and `reftable` (see +Documentation/technical/reftable.txt). diff --git a/Documentation/urls.txt b/Documentation/urls.txt index ce671f812d..0b9e0c4302 100644 --- a/Documentation/urls.txt +++ b/Documentation/urls.txt @@ -44,26 +44,26 @@ syntaxes may be used: ifndef::git-clone[] These two syntaxes are mostly equivalent, except when cloning, when -the former implies --local option. See linkgit:git-clone[1] for +the former implies `--local` option. See linkgit:git-clone[1] for details. endif::git-clone[] ifdef::git-clone[] These two syntaxes are mostly equivalent, except the former implies ---local option. +`--local` option. endif::git-clone[] -'git clone', 'git fetch' and 'git pull', but not 'git push', will also +`git clone`, `git fetch` and `git pull`, but not `git push`, will also accept a suitable bundle file. See linkgit:git-bundle[1]. When Git doesn't know how to handle a certain transport protocol, it -attempts to use the 'remote-<transport>' remote helper, if one +attempts to use the `remote-<transport>` remote helper, if one exists. To explicitly request a remote helper, the following syntax may be used: -- <transport>::<address> +- _<transport>_::_<address>_ -where <address> may be a path, a server and path, or an arbitrary +where _<address>_ may be a path, a server and path, or an arbitrary URL-like string recognized by the specific remote helper being invoked. See linkgit:gitremote-helpers[7] for details. diff --git a/Documentation/user-manual.txt b/Documentation/user-manual.txt index 6433903491..90a4189358 100644 --- a/Documentation/user-manual.txt +++ b/Documentation/user-manual.txt @@ -4093,7 +4093,38 @@ that not only specifies their type, but also provides size information about the data in the object. It's worth noting that the SHA-1 hash that is used to name the object is the hash of the original data plus this header, so `sha1sum` 'file' does not match the object name -for 'file'. +for 'file' (the earliest versions of Git hashed slightly differently +but the conclusion is still the same). + +The following is a short example that demonstrates how these hashes +can be generated manually: + +Let's assume a small text file with some simple content: + +------------------------------------------------- +$ echo "Hello world" >hello.txt +------------------------------------------------- + +We can now manually generate the hash Git would use for this file: + +- The object we want the hash for is of type "blob" and its size is + 12 bytes. + +- Prepend the object header to the file content and feed this to + `sha1sum`: + +------------------------------------------------- +$ { printf "blob 12\0"; cat hello.txt; } | sha1sum +802992c4220de19a90767f3000a79a31b98d0df7 - +------------------------------------------------- + +This manually constructed hash can be verified using `git hash-object` +which of course hides the addition of the header: + +------------------------------------------------- +$ git hash-object hello.txt +802992c4220de19a90767f3000a79a31b98d0df7 +------------------------------------------------- As a result, the general consistency of an object can always be tested independently of the contents or the type of the object: all objects can @@ -4123,7 +4154,8 @@ $ git switch --detach e83c5163 ---------------------------------------------------- The initial revision lays the foundation for almost everything Git has -today, but is small enough to read in one sitting. +today (even though details may differ in a few places), but is small +enough to read in one sitting. Note that terminology has changed since that revision. For example, the README in that revision uses the word "changeset" to describe what we diff --git a/GIT-VERSION-GEN b/GIT-VERSION-GEN index c9d1d29082..df788c764b 100755 --- a/GIT-VERSION-GEN +++ b/GIT-VERSION-GEN @@ -1,7 +1,7 @@ #!/bin/sh GVF=GIT-VERSION-FILE -DEF_VER=v2.44.0 +DEF_VER=v2.44.GIT LF=' ' @@ -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 @@ -1080,6 +1083,7 @@ 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 @@ -1126,6 +1130,7 @@ LIB_OBJS += reflog.o LIB_OBJS += refs.o LIB_OBJS += refs/debug.o LIB_OBJS += refs/files-backend.o +LIB_OBJS += refs/reftable-backend.o LIB_OBJS += refs/iterator.o LIB_OBJS += refs/packed-backend.o LIB_OBJS += refs/ref-cache.o @@ -1 +1 @@ -Documentation/RelNotes/2.44.0.txt
\ No newline at end of file +Documentation/RelNotes/2.45.0.txt
\ No newline at end of file diff --git a/add-patch.c b/add-patch.c index 79eda168eb..68f525b35c 100644 --- a/add-patch.c +++ b/add-patch.c @@ -1729,14 +1729,6 @@ int run_add_p(struct repository *r, enum add_p_mode mode, if (mode == ADD_P_STASH) s.mode = &patch_mode_stash; else if (mode == ADD_P_RESET) { - /* - * NEEDSWORK: Instead of comparing to the literal "HEAD", - * compare the commit objects instead so that other ways of - * saying the same thing (such as "@") are also handled - * appropriately. - * - * This applies to the cases below too. - */ if (!revision || !strcmp(revision, "HEAD")) s.mode = &patch_mode_reset_head; else @@ -68,6 +68,7 @@ static struct { [ADVICE_PUSH_UNQUALIFIED_REF_NAME] = { "pushUnqualifiedRefName" }, [ADVICE_PUSH_UPDATE_REJECTED] = { "pushUpdateRejected" }, [ADVICE_PUSH_UPDATE_REJECTED_ALIAS] = { "pushNonFastForward" }, /* backwards compatibility */ + [ADVICE_REF_SYNTAX] = { "refSyntax" }, [ADVICE_RESET_NO_REFRESH_WARNING] = { "resetNoRefresh" }, [ADVICE_RESOLVE_CONFLICT] = { "resolveConflict" }, [ADVICE_RM_HINTS] = { "rmHints" }, @@ -79,6 +80,7 @@ static struct { [ADVICE_STATUS_U_OPTION] = { "statusUoption" }, [ADVICE_SUBMODULES_NOT_UPDATED] = { "submodulesNotUpdated" }, [ADVICE_SUBMODULE_ALTERNATE_ERROR_STRATEGY_DIE] = { "submoduleAlternateErrorStrategyDie" }, + [ADVICE_SUBMODULE_MERGE_CONFLICT] = { "submoduleMergeConflict" }, [ADVICE_SUGGEST_DETACHING_HEAD] = { "suggestDetachingHead" }, [ADVICE_UPDATE_SPARSE_PATH] = { "updateSparsePath" }, [ADVICE_WAITING_FOR_EDITOR] = { "waitingForEditor" }, @@ -36,6 +36,7 @@ enum advice_type { ADVICE_PUSH_UNQUALIFIED_REF_NAME, ADVICE_PUSH_UPDATE_REJECTED, ADVICE_PUSH_UPDATE_REJECTED_ALIAS, + ADVICE_REF_SYNTAX, ADVICE_RESET_NO_REFRESH_WARNING, ADVICE_RESOLVE_CONFLICT, ADVICE_RM_HINTS, @@ -47,6 +48,7 @@ enum advice_type { ADVICE_STATUS_U_OPTION, ADVICE_SUBMODULES_NOT_UPDATED, ADVICE_SUBMODULE_ALTERNATE_ERROR_STRATEGY_DIE, + ADVICE_SUBMODULE_MERGE_CONFLICT, ADVICE_SUGGEST_DETACHING_HEAD, ADVICE_UPDATE_SPARSE_PATH, ADVICE_WAITING_FOR_EDITOR, @@ -77,7 +77,8 @@ static int parse_whitespace_option(struct apply_state *state, const char *option return 0; } /* - * Please update $__git_whitespacelist in git-completion.bash + * Please update $__git_whitespacelist in git-completion.bash, + * Documentation/git-apply.txt, and Documentation/git-am.txt * when you add new options. */ return error(_("unrecognized whitespace option '%s'"), option); @@ -2219,7 +2220,8 @@ static void reverse_patches(struct patch *p) struct fragment *frag = p->fragments; SWAP(p->new_name, p->old_name); - SWAP(p->new_mode, p->old_mode); + if (p->new_mode) + SWAP(p->new_mode, p->old_mode); SWAP(p->is_new, p->is_delete); SWAP(p->lines_added, p->lines_deleted); SWAP(p->old_oid_prefix, p->new_oid_prefix); @@ -3777,8 +3779,17 @@ static int check_preimage(struct apply_state *state, return error_errno("%s", old_name); } - if (!state->cached && !previous) - st_mode = ce_mode_from_stat(*ce, st->st_mode); + if (!state->cached && !previous) { + if (*ce && !(*ce)->ce_mode) + BUG("ce_mode == 0 for path '%s'", old_name); + + if (trust_executable_bit) + st_mode = ce_mode_from_stat(*ce, st->st_mode); + else if (*ce) + st_mode = (*ce)->ce_mode; + else + st_mode = patch->old_mode; + } if (patch->is_new < 0) patch->is_new = 0; diff --git a/archive-tar.c b/archive-tar.c index f2a0ed7752..8ae30125f8 100644 --- a/archive-tar.c +++ b/archive-tar.c @@ -365,7 +365,7 @@ static struct archiver *find_tar_filter(const char *name, size_t len) int i; for (i = 0; i < nr_tar_filters; i++) { struct archiver *ar = tar_filters[i]; - if (!strncmp(ar->name, name, len) && !ar->name[len]) + if (!xstrncmpz(ar->name, name, len)) return ar; } return NULL; @@ -339,7 +339,8 @@ int write_archive_entries(struct archiver_args *args, opts.src_index = args->repo->index; opts.dst_index = args->repo->index; opts.fn = oneway_merge; - init_tree_desc(&t, args->tree->buffer, args->tree->size); + init_tree_desc(&t, &args->tree->object.oid, + args->tree->buffer, args->tree->size); if (unpack_trees(1, &t, &opts)) return -1; git_attr_set_direction(GIT_ATTR_INDEX); @@ -836,10 +836,11 @@ static void handle_skipped_merge_base(const struct object_id *mb) static enum bisect_error check_merge_bases(int rev_nr, struct commit **rev, int no_checkout) { enum bisect_error res = BISECT_OK; - struct commit_list *result; + struct commit_list *result = NULL; - result = repo_get_merge_bases_many(the_repository, rev[0], rev_nr - 1, - rev + 1); + if (repo_get_merge_bases_many(the_repository, rev[0], rev_nr - 1, + rev + 1, &result) < 0) + exit(128); for (; result; result = result->next) { const struct object_id *mb = &result->item->object.oid; @@ -370,8 +370,12 @@ int read_branch_desc(struct strbuf *buf, const char *branch_name) */ int validate_branchname(const char *name, struct strbuf *ref) { - if (strbuf_check_branch_ref(ref, name)) - die(_("'%s' is not a valid branch name"), name); + if (strbuf_check_branch_ref(ref, name)) { + int code = die_message(_("'%s' is not a valid branch name"), name); + advise_if_enabled(ADVICE_REF_SYNTAX, + _("See `man git check-ref-format`")); + exit(code); + } return ref_exists(ref->buf); } diff --git a/builtin/add.c b/builtin/add.c index ada7719561..393c10cbcf 100644 --- a/builtin/add.c +++ b/builtin/add.c @@ -115,7 +115,7 @@ static int refresh(int verbose, const struct pathspec *pathspec) int i, ret = 0; char *skip_worktree_seen = NULL; struct string_list only_match_skip_worktree = STRING_LIST_INIT_NODUP; - int flags = REFRESH_IGNORE_SKIP_WORKTREE | + unsigned int flags = REFRESH_IGNORE_SKIP_WORKTREE | (verbose ? REFRESH_IN_PORCELAIN : REFRESH_QUIET); seen = xcalloc(pathspec->nr, 1); diff --git a/builtin/am.c b/builtin/am.c index d1990d7edc..e8fb27a8ef 100644 --- a/builtin/am.c +++ b/builtin/am.c @@ -1994,8 +1994,8 @@ 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 +2029,7 @@ static int merge_tree(struct tree *tree) opts.dst_index = &the_index; opts.merge = 1; opts.fn = oneway_merge; - init_tree_desc(&t[0], tree->buffer, tree->size); + init_tree_desc(&t[0], &tree->object.oid, tree->buffer, tree->size); if (unpack_trees(1, t, &opts)) { rollback_lock_file(&lock_file); diff --git a/builtin/branch.c b/builtin/branch.c index cfb63cce5f..8c2305ad2c 100644 --- a/builtin/branch.c +++ b/builtin/branch.c @@ -158,6 +158,8 @@ static int branch_merged(int kind, const char *name, merged = reference_rev ? repo_in_merge_bases(the_repository, rev, reference_rev) : 0; + if (merged < 0) + exit(128); /* * After the safety valve is fully redefined to "check with @@ -166,9 +168,13 @@ static int branch_merged(int kind, const char *name, * any of the following code, but during the transition period, * a gentle reminder is in order. */ - if ((head_rev != reference_rev) && - (head_rev ? repo_in_merge_bases(the_repository, rev, head_rev) : 0) != merged) { - if (merged) + if (head_rev != reference_rev) { + int expect = head_rev ? repo_in_merge_bases(the_repository, rev, head_rev) : 0; + if (expect < 0) + exit(128); + if (expect == merged) + ; /* okay */ + else if (merged) warning(_("deleting branch '%s' that has been merged to\n" " '%s', but not yet merged to HEAD"), name, reference_name); @@ -576,8 +582,12 @@ static void copy_or_rename_branch(const char *oldname, const char *newname, int */ if (ref_exists(oldref.buf)) recovery = 1; - else - die(_("invalid branch name: '%s'"), oldname); + else { + int code = die_message(_("invalid branch name: '%s'"), oldname); + advise_if_enabled(ADVICE_REF_SYNTAX, + _("See `man git check-ref-format`")); + exit(code); + } } for (int i = 0; worktrees[i]; i++) { diff --git a/builtin/bugreport.c b/builtin/bugreport.c index 3106e56a13..25f860a0d9 100644 --- a/builtin/bugreport.c +++ b/builtin/bugreport.c @@ -64,7 +64,8 @@ static void get_populated_hooks(struct strbuf *hook_info, int nongit) } static const char * const bugreport_usage[] = { - N_("git bugreport [(-o | --output-directory) <path>] [(-s | --suffix) <format>]\n" + N_("git bugreport [(-o | --output-directory) <path>]\n" + " [(-s | --suffix) <format> | --no-suffix]\n" " [--diagnose[=<mode>]]"), NULL }; @@ -138,8 +139,11 @@ int cmd_bugreport(int argc, const char **argv, const char *prefix) strbuf_complete(&report_path, '/'); output_path_len = report_path.len; - strbuf_addstr(&report_path, "git-bugreport-"); - strbuf_addftime(&report_path, option_suffix, localtime_r(&now, &tm), 0, 0); + strbuf_addstr(&report_path, "git-bugreport"); + if (option_suffix) { + strbuf_addch(&report_path, '-'); + strbuf_addftime(&report_path, option_suffix, localtime_r(&now, &tm), 0, 0); + } strbuf_addstr(&report_path, ".txt"); switch (safe_create_leading_directories(report_path.buf)) { diff --git a/builtin/cat-file.c b/builtin/cat-file.c index bbf851138e..3f5ce7d34c 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 @@ -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 a6e30931b5..2e8b0d18f4 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -704,8 +704,9 @@ static int reset_tree(struct tree *tree, const struct checkout_opts *o, init_checkout_metadata(&opts.meta, info->refname, info->commit ? &info->commit->object.oid : null_oid(), NULL); - parse_tree(tree); - init_tree_desc(&tree_desc, tree->buffer, tree->size); + if (parse_tree(tree) < 0) + return 128; + init_tree_desc(&tree_desc, &tree->object.oid, tree->buffer, tree->size); switch (unpack_trees(1, &tree_desc, &opts)) { case -2: *writeout_error = 1; @@ -783,9 +784,15 @@ static int merge_working_tree(const struct checkout_opts *opts, if (new_branch_info->commit) BUG("'switch --orphan' should never accept a commit as starting point"); new_tree = parse_tree_indirect(the_hash_algo->empty_tree); - } else + if (!new_tree) + BUG("unable to read empty tree"); + } else { new_tree = repo_get_commit_tree(the_repository, new_branch_info->commit); + if (!new_tree) + return error(_("unable to read tree (%s)"), + oid_to_hex(&new_branch_info->commit->object.oid)); + } if (opts->discard_changes) { ret = reset_tree(new_tree, opts, 1, writeout_error, new_branch_info); if (ret) @@ -819,10 +826,13 @@ static int merge_working_tree(const struct checkout_opts *opts, die(_("unable to parse commit %s"), oid_to_hex(old_commit_oid)); - init_tree_desc(&trees[0], tree->buffer, tree->size); - parse_tree(new_tree); + init_tree_desc(&trees[0], &tree->object.oid, + tree->buffer, tree->size); + if (parse_tree(new_tree) < 0) + exit(128); tree = new_tree; - init_tree_desc(&trees[1], tree->buffer, tree->size); + init_tree_desc(&trees[1], &tree->object.oid, + tree->buffer, tree->size); ret = unpack_trees(2, trees, &topts); clear_unpack_trees_porcelain(&topts); @@ -1224,7 +1234,9 @@ static void setup_new_branch_info_and_source_tree( struct tree **source_tree = &opts->source_tree; struct object_id branch_rev; - new_branch_info->name = xstrdup(arg); + /* treat '@' as a shortcut for 'HEAD' */ + new_branch_info->name = !strcmp(arg, "@") ? xstrdup("HEAD") : + xstrdup(arg); setup_branch_path(new_branch_info); if (!check_refname_format(new_branch_info->path, 0) && @@ -1238,10 +1250,15 @@ static void setup_new_branch_info_and_source_tree( if (!new_branch_info->commit) { /* not a commit */ *source_tree = parse_tree_indirect(rev); + if (!*source_tree) + die(_("unable to read tree (%s)"), oid_to_hex(rev)); } else { parse_commit_or_die(new_branch_info->commit); *source_tree = repo_get_commit_tree(the_repository, new_branch_info->commit); + if (!*source_tree) + die(_("unable to read tree (%s)"), + oid_to_hex(&new_branch_info->commit->object.oid)); } } @@ -1687,10 +1704,11 @@ static char cb_option = 'b'; static int checkout_main(int argc, const char **argv, const char *prefix, struct checkout_opts *opts, struct option *options, - const char * const usagestr[], - struct branch_info *new_branch_info) + const char * const usagestr[]) { int parseopt_flags = 0; + struct branch_info new_branch_info = { 0 }; + int ret; opts->overwrite_ignore = 1; opts->prefix = prefix; @@ -1806,7 +1824,7 @@ static int checkout_main(int argc, const char **argv, const char *prefix, opts->track == BRANCH_TRACK_UNSPECIFIED && !opts->new_branch; int n = parse_branchname_arg(argc, argv, dwim_ok, - new_branch_info, opts, &rev); + &new_branch_info, opts, &rev); argv += n; argc -= n; } else if (!opts->accept_ref && opts->from_treeish) { @@ -1815,7 +1833,7 @@ static int checkout_main(int argc, const char **argv, const char *prefix, if (repo_get_oid_mb(the_repository, opts->from_treeish, &rev)) die(_("could not resolve %s"), opts->from_treeish); - setup_new_branch_info_and_source_tree(new_branch_info, + setup_new_branch_info_and_source_tree(&new_branch_info, opts, &rev, opts->from_treeish); @@ -1835,7 +1853,7 @@ static int checkout_main(int argc, const char **argv, const char *prefix, * Try to give more helpful suggestion. * new_branch && argc > 1 will be caught later. */ - if (opts->new_branch && argc == 1 && !new_branch_info->commit) + if (opts->new_branch && argc == 1 && !new_branch_info.commit) die(_("'%s' is not a commit and a branch '%s' cannot be created from it"), argv[0], opts->new_branch); @@ -1885,9 +1903,16 @@ static int checkout_main(int argc, const char **argv, const char *prefix, } if (opts->patch_mode || opts->pathspec.nr) - return checkout_paths(opts, new_branch_info); + ret = checkout_paths(opts, &new_branch_info); else - return checkout_branch(opts, new_branch_info); + ret = checkout_branch(opts, &new_branch_info); + + branch_info_release(&new_branch_info); + clear_pathspec(&opts->pathspec); + free(opts->pathspec_from_file); + free(options); + + return ret; } int cmd_checkout(int argc, const char **argv, const char *prefix) @@ -1905,8 +1930,6 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) OPT_BOOL(0, "overlay", &opts.overlay_mode, N_("use overlay mode (default)")), OPT_END() }; - int ret; - struct branch_info new_branch_info = { 0 }; memset(&opts, 0, sizeof(opts)); opts.dwim_new_local_branch = 1; @@ -1936,13 +1959,8 @@ int cmd_checkout(int argc, const char **argv, const char *prefix) options = add_common_switch_branch_options(&opts, options); options = add_checkout_path_options(&opts, options); - ret = checkout_main(argc, argv, prefix, &opts, - options, checkout_usage, &new_branch_info); - branch_info_release(&new_branch_info); - clear_pathspec(&opts.pathspec); - free(opts.pathspec_from_file); - FREE_AND_NULL(options); - return ret; + return checkout_main(argc, argv, prefix, &opts, options, + checkout_usage); } int cmd_switch(int argc, const char **argv, const char *prefix) @@ -1960,8 +1978,6 @@ int cmd_switch(int argc, const char **argv, const char *prefix) N_("throw away local modifications")), OPT_END() }; - int ret; - struct branch_info new_branch_info = { 0 }; memset(&opts, 0, sizeof(opts)); opts.dwim_new_local_branch = 1; @@ -1980,11 +1996,8 @@ int cmd_switch(int argc, const char **argv, const char *prefix) cb_option = 'c'; - ret = checkout_main(argc, argv, prefix, &opts, - options, switch_branch_usage, &new_branch_info); - branch_info_release(&new_branch_info); - FREE_AND_NULL(options); - return ret; + return checkout_main(argc, argv, prefix, &opts, options, + switch_branch_usage); } int cmd_restore(int argc, const char **argv, const char *prefix) @@ -2003,8 +2016,6 @@ int cmd_restore(int argc, const char **argv, const char *prefix) OPT_BOOL(0, "overlay", &opts.overlay_mode, N_("use overlay mode")), OPT_END() }; - int ret; - struct branch_info new_branch_info = { 0 }; memset(&opts, 0, sizeof(opts)); opts.accept_ref = 0; @@ -2019,9 +2030,6 @@ int cmd_restore(int argc, const char **argv, const char *prefix) options = add_common_options(&opts, options); options = add_checkout_path_options(&opts, options); - ret = checkout_main(argc, argv, prefix, &opts, - options, restore_usage, &new_branch_info); - branch_info_release(&new_branch_info); - FREE_AND_NULL(options); - return ret; + return checkout_main(argc, argv, prefix, &opts, options, + restore_usage); } diff --git a/builtin/clean.c b/builtin/clean.c index d90766cad3..29efe84153 100644 --- a/builtin/clean.c +++ b/builtin/clean.c @@ -25,7 +25,7 @@ #include "help.h" #include "prompt.h" -static int force = -1; /* unset */ +static int require_force = -1; /* unset */ static int interactive; static struct string_list del_list = STRING_LIST_INIT_DUP; static unsigned int colopts; @@ -128,7 +128,7 @@ static int git_clean_config(const char *var, const char *value, } if (!strcmp(var, "clean.requireforce")) { - force = !git_config_bool(var, value); + require_force = git_config_bool(var, value); return 0; } @@ -920,7 +920,7 @@ int cmd_clean(int argc, const char **argv, const char *prefix) { int i, res; int dry_run = 0, remove_directories = 0, quiet = 0, ignored = 0; - int ignored_only = 0, config_set = 0, errors = 0, gone = 1; + int ignored_only = 0, force = 0, errors = 0, gone = 1; int rm_flags = REMOVE_DIR_KEEP_NESTED_GIT; struct strbuf abs_path = STRBUF_INIT; struct dir_struct dir = DIR_INIT; @@ -946,22 +946,12 @@ int cmd_clean(int argc, const char **argv, const char *prefix) }; git_config(git_clean_config, NULL); - if (force < 0) - force = 0; - else - config_set = 1; argc = parse_options(argc, argv, prefix, options, builtin_clean_usage, 0); - if (!interactive && !dry_run && !force) { - if (config_set) - die(_("clean.requireForce set to true and neither -i, -n, nor -f given; " - "refusing to clean")); - else - die(_("clean.requireForce defaults to true and neither -i, -n, nor -f given;" - " refusing to clean")); - } + if (require_force != 0 && !force && !interactive && !dry_run) + die(_("clean.requireForce is true and -f not given: refusing to clean")); if (force > 1) rm_flags = 0; diff --git a/builtin/clone.c b/builtin/clone.c index bad1b70ce8..74ec14542e 100644 --- a/builtin/clone.c +++ b/builtin/clone.c @@ -116,7 +116,7 @@ static struct option builtin_clone_options[] = { OPT_HIDDEN_BOOL(0, "naked", &option_bare, N_("create a bare repository")), OPT_BOOL(0, "mirror", &option_mirror, - N_("create a mirror repository (implies bare)")), + N_("create a mirror repository (implies --bare)")), OPT_BOOL('l', "local", &option_local, N_("to clone from a local repository")), OPT_BOOL(0, "no-hardlinks", &option_no_hardlinks, @@ -738,8 +738,9 @@ static int checkout(int submodule_progress, int filter_submodules) tree = parse_tree_indirect(&oid); if (!tree) die(_("unable to parse commit %s"), oid_to_hex(&oid)); - parse_tree(tree); - init_tree_desc(&t, tree->buffer, tree->size); + if (parse_tree(tree) < 0) + exit(128); + init_tree_desc(&t, &tree->object.oid, tree->buffer, tree->size); if (unpack_trees(1, &t, &opts) < 0) die(_("unable to checkout working tree")); @@ -926,6 +927,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) struct ref *mapped_refs = NULL; const struct ref *ref; struct strbuf key = STRBUF_INIT; + struct strbuf buf = STRBUF_INIT; struct strbuf branch_top = STRBUF_INIT, reflog_msg = STRBUF_INIT; struct transport *transport = NULL; const char *src_ref_prefix = "refs/heads/"; @@ -1126,6 +1128,50 @@ int cmd_clone(int argc, const char **argv, const char *prefix) } /* + * We have a chicken-and-egg situation between initializing the refdb + * and spawning transport helpers: + * + * - Initializing the refdb requires us to know about the object + * format. We thus have to spawn the transport helper to learn + * about it. + * + * - The transport helper may want to access the Git repository. But + * because the refdb has not been initialized, we don't have "HEAD" + * or "refs/". Thus, the helper cannot find the Git repository. + * + * Ideally, we would have structured the helper protocol such that it's + * mandatory for the helper to first announce its capabilities without + * yet assuming a fully initialized repository. Like that, we could + * have added a "lazy-refdb-init" capability that announces whether the + * helper is ready to handle not-yet-initialized refdbs. If any helper + * didn't support them, we would have fully initialized the refdb with + * the SHA1 object format, but later on bailed out if we found out that + * the remote repository used a different object format. + * + * But we didn't, and thus we use the following workaround to partially + * initialize the repository's refdb such that it can be discovered by + * Git commands. To do so, we: + * + * - Create an invalid HEAD ref pointing at "refs/heads/.invalid". + * + * - Create the "refs/" directory. + * + * - Set up the ref storage format and repository version as + * required. + * + * This is sufficient for Git commands to discover the Git directory. + */ + initialize_repository_version(GIT_HASH_UNKNOWN, + the_repository->ref_storage_format, 1); + + strbuf_addf(&buf, "%s/HEAD", git_dir); + write_file(buf.buf, "ref: refs/heads/.invalid"); + + strbuf_reset(&buf); + strbuf_addf(&buf, "%s/refs", git_dir); + safe_create_dir(buf.buf, 1); + + /* * additional config can be injected with -c, make sure it's included * after init_db, which clears the entire config environment. */ @@ -1453,6 +1499,7 @@ int cmd_clone(int argc, const char **argv, const char *prefix) free(remote_name); strbuf_release(&reflog_msg); strbuf_release(&branch_top); + strbuf_release(&buf); strbuf_release(&key); free_refs(mapped_refs); free_refs(remote_head_points_at); diff --git a/builtin/column.c b/builtin/column.c index e80218f81f..10ff7e0166 100644 --- a/builtin/column.c +++ b/builtin/column.c @@ -45,6 +45,8 @@ int cmd_column(int argc, const char **argv, const char *prefix) memset(&copts, 0, sizeof(copts)); copts.padding = 1; argc = parse_options(argc, argv, prefix, options, builtin_column_usage, 0); + if (copts.padding < 0) + die(_("%s must be non-negative"), "--padding"); if (argc) usage_with_options(builtin_column_usage, options); if (real_command || command) { diff --git a/builtin/commit.c b/builtin/commit.c index 6d1fa71676..b27b56c8be 100644 --- a/builtin/commit.c +++ b/builtin/commit.c @@ -331,8 +331,9 @@ static void create_base_index(const struct commit *current_head) tree = parse_tree_indirect(¤t_head->object.oid); if (!tree) die(_("failed to unpack HEAD tree object")); - parse_tree(tree); - init_tree_desc(&t, tree->buffer, tree->size); + if (parse_tree(tree) < 0) + exit(128); + init_tree_desc(&t, &tree->object.oid, tree->buffer, tree->size); if (unpack_trees(1, &t, &opts)) exit(128); /* We've already reported the error, finish dying */ } @@ -737,7 +738,6 @@ static int prepare_to_commit(const char *index_file, const char *prefix, const char *hook_arg2 = NULL; int clean_message_contents = (cleanup_mode != COMMIT_MSG_CLEANUP_NONE); int old_display_comment_prefix; - int merge_contains_scissors = 0; int invoked_hook; /* This checks and barfs if author is badly specified */ @@ -841,7 +841,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix, wt_status_locate_end(sb.buf + merge_msg_start, sb.len - merge_msg_start) < sb.len - merge_msg_start) - merge_contains_scissors = 1; + s->added_cut_line = 1; } else if (!stat(git_path_squash_msg(the_repository), &statbuf)) { if (strbuf_read_file(&sb, git_path_squash_msg(the_repository), 0) < 0) die_errno(_("could not read SQUASH_MSG")); @@ -924,9 +924,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix, " yourself if you want to.\n" "An empty message aborts the commit.\n"); if (whence != FROM_COMMIT) { - if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS && - !merge_contains_scissors) - wt_status_add_cut_line(s->fp); + if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) + wt_status_add_cut_line(s); status_printf_ln( s, GIT_COLOR_NORMAL, whence == FROM_MERGE ? @@ -946,8 +945,8 @@ static int prepare_to_commit(const char *index_file, const char *prefix, if (cleanup_mode == COMMIT_MSG_CLEANUP_ALL) status_printf(s, GIT_COLOR_NORMAL, hint_cleanup_all, comment_line_char); else if (cleanup_mode == COMMIT_MSG_CLEANUP_SCISSORS) { - if (whence == FROM_COMMIT && !merge_contains_scissors) - wt_status_add_cut_line(s->fp); + if (whence == FROM_COMMIT) + wt_status_add_cut_line(s); } else /* COMMIT_MSG_CLEANUP_SPACE, that is. */ status_printf(s, GIT_COLOR_NORMAL, hint_cleanup_space, comment_line_char); @@ -1158,22 +1157,45 @@ static void handle_ignored_arg(struct wt_status *s) die(_("Invalid ignored mode '%s'"), ignored_arg); } -static void handle_untracked_files_arg(struct wt_status *s) +static enum untracked_status_type parse_untracked_setting_name(const char *u) { - if (!untracked_files_arg) - ; /* default already initialized */ - else if (!strcmp(untracked_files_arg, "no")) - s->show_untracked_files = SHOW_NO_UNTRACKED_FILES; - else if (!strcmp(untracked_files_arg, "normal")) - s->show_untracked_files = SHOW_NORMAL_UNTRACKED_FILES; - else if (!strcmp(untracked_files_arg, "all")) - s->show_untracked_files = SHOW_ALL_UNTRACKED_FILES; /* * Please update $__git_untracked_file_modes in * git-completion.bash when you add new options */ + switch (git_parse_maybe_bool(u)) { + case 0: + u = "no"; + break; + case 1: + u = "normal"; + break; + default: + break; + } + + if (!strcmp(u, "no")) + return SHOW_NO_UNTRACKED_FILES; + else if (!strcmp(u, "normal")) + return SHOW_NORMAL_UNTRACKED_FILES; + else if (!strcmp(u, "all")) + return SHOW_ALL_UNTRACKED_FILES; else - die(_("Invalid untracked files mode '%s'"), untracked_files_arg); + return SHOW_UNTRACKED_FILES_ERROR; +} + +static void handle_untracked_files_arg(struct wt_status *s) +{ + enum untracked_status_type u; + + if (!untracked_files_arg) + return; /* default already initialized */ + + u = parse_untracked_setting_name(untracked_files_arg); + if (u == SHOW_UNTRACKED_FILES_ERROR) + die(_("Invalid untracked files mode '%s'"), + untracked_files_arg); + s->show_untracked_files = u; } static const char *read_commit_message(const char *name) @@ -1456,16 +1478,12 @@ 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/fast-export.c b/builtin/fast-export.c index f18f0809f9..4693d18cc9 100644 --- a/builtin/fast-export.c +++ b/builtin/fast-export.c @@ -136,8 +136,7 @@ static int anonymized_entry_cmp(const void *cmp_data UNUSED, a = container_of(eptr, const struct anonymized_entry, hash); if (keydata) { const struct anonymized_entry_key *key = keydata; - int equal = !strncmp(a->orig, key->orig, key->orig_len) && - !a->orig[key->orig_len]; + int equal = !xstrncmpz(a->orig, key->orig, key->orig_len); return !equal; } diff --git a/builtin/fast-import.c b/builtin/fast-import.c index 92eda20683..782bda007c 100644 --- a/builtin/fast-import.c +++ b/builtin/fast-import.c @@ -1236,20 +1236,6 @@ static void *gfi_unpack_entry( return unpack_entry(the_repository, p, oe->idx.offset, &type, sizep); } -static const char *get_mode(const char *str, uint16_t *modep) -{ - unsigned char c; - uint16_t mode = 0; - - while ((c = *str++) != ' ') { - if (c < '0' || c > '7') - return NULL; - mode = (mode << 3) + (c - '0'); - } - *modep = mode; - return str; -} - static void load_tree(struct tree_entry *root) { struct object_id *oid = &root->versions[1].oid; @@ -1287,7 +1273,7 @@ static void load_tree(struct tree_entry *root) t->entries[t->entry_count++] = e; e->tree = NULL; - c = get_mode(c, &e->versions[1].mode); + c = parse_mode(c, &e->versions[1].mode); if (!c) die("Corrupt mode in %s", oid_to_hex(oid)); e->versions[0].mode = e->versions[1].mode; @@ -1625,6 +1611,7 @@ static int update_branch(struct branch *b) oidclr(&old_oid); if (!force_update && !is_null_oid(&old_oid)) { struct commit *old_cmit, *new_cmit; + int ret; old_cmit = lookup_commit_reference_gently(the_repository, &old_oid, 0); @@ -1633,7 +1620,10 @@ static int update_branch(struct branch *b) if (!old_cmit || !new_cmit) return error("Branch %s is missing commits.", b->name); - if (!repo_in_merge_bases(the_repository, old_cmit, new_cmit)) { + ret = repo_in_merge_bases(the_repository, old_cmit, new_cmit); + if (ret < 0) + exit(128); + if (!ret) { warning("Not updating %s" " (new tip %s does not contain %s)", b->name, oid_to_hex(&b->oid), @@ -2276,7 +2266,7 @@ static void file_change_m(const char *p, struct branch *b) struct object_id oid; uint16_t mode, inline_data = 0; - p = get_mode(p, &mode); + p = parse_mode(p, &mode); if (!p) die("Corrupt mode: %s", command_buf.buf); switch (mode) { diff --git a/builtin/fetch.c b/builtin/fetch.c index 3aedfd1bb6..46a793411a 100644 --- a/builtin/fetch.c +++ b/builtin/fetch.c @@ -448,9 +448,8 @@ static void filter_prefetch_refspec(struct refspec *rs) continue; if (!rs->items[i].dst || (rs->items[i].src && - !strncmp(rs->items[i].src, - ref_namespace[NAMESPACE_TAGS].ref, - strlen(ref_namespace[NAMESPACE_TAGS].ref)))) { + starts_with(rs->items[i].src, + ref_namespace[NAMESPACE_TAGS].ref))) { int j; free(rs->items[i].src); @@ -982,6 +981,8 @@ static int update_local_ref(struct ref *ref, uint64_t t_before = getnanotime(); fast_forward = repo_in_merge_bases(the_repository, current, updated); + if (fast_forward < 0) + exit(128); forced_updates_ms += (getnanotime() - t_before) / 1000000; } else { fast_forward = 1; diff --git a/builtin/for-each-ref.c b/builtin/for-each-ref.c index 3885a9c28e..919282e12a 100644 --- a/builtin/for-each-ref.c +++ b/builtin/for-each-ref.c @@ -20,10 +20,10 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix) { struct ref_sorting *sorting; struct string_list sorting_options = STRING_LIST_INIT_DUP; - int icase = 0; + int icase = 0, include_root_refs = 0, from_stdin = 0; struct ref_filter filter = REF_FILTER_INIT; struct ref_format format = REF_FORMAT_INIT; - int from_stdin = 0; + unsigned int flags = FILTER_REFS_REGULAR; struct strvec vec = STRVEC_INIT; struct option opts[] = { @@ -53,6 +53,7 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix) OPT_NO_CONTAINS(&filter.no_commit, N_("print only refs which don't contain the commit")), OPT_BOOL(0, "ignore-case", &icase, N_("sorting and filtering are case insensitive")), OPT_BOOL(0, "stdin", &from_stdin, N_("read reference patterns from stdin")), + OPT_BOOL(0, "include-root-refs", &include_root_refs, N_("also include HEAD ref and pseudorefs")), OPT_END(), }; @@ -96,8 +97,11 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix) filter.name_patterns = argv; } + if (include_root_refs) + flags |= FILTER_REFS_ROOT_REFS; + filter.match_as_path = 1; - filter_and_format_refs(&filter, FILTER_REFS_ALL, sorting, &format); + filter_and_format_refs(&filter, flags, sorting, &format); ref_filter_clear(&filter); ref_sorting_release(sorting); diff --git a/builtin/fsck.c b/builtin/fsck.c index a7cf94f67e..f892487c9b 100644 --- a/builtin/fsck.c +++ b/builtin/fsck.c @@ -509,9 +509,7 @@ static int fsck_handle_reflog_ent(struct object_id *ooid, struct object_id *noid return 0; } -static int fsck_handle_reflog(const char *logname, - const struct object_id *oid UNUSED, - int flag UNUSED, void *cb_data) +static int fsck_handle_reflog(const char *logname, void *cb_data) { struct strbuf refname = STRBUF_INIT; diff --git a/builtin/grep.c b/builtin/grep.c index 982bcfc4b1..5777ba82a9 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -527,7 +527,7 @@ static int grep_submodule(struct grep_opt *opt, strbuf_addstr(&base, filename); strbuf_addch(&base, '/'); - init_tree_desc(&tree, data, size); + init_tree_desc(&tree, oid, data, size); hit = grep_tree(&subopt, pathspec, &tree, &base, base.len, object_type == OBJ_COMMIT); strbuf_release(&base); @@ -573,7 +573,7 @@ static int grep_cache(struct grep_opt *opt, &type, &size); if (!data) die(_("unable to read tree %s"), oid_to_hex(&ce->oid)); - init_tree_desc(&tree, data, size); + init_tree_desc(&tree, &ce->oid, data, size); hit |= grep_tree(opt, pathspec, &tree, &name, 0, 0); strbuf_setlen(&name, name_base_len); @@ -669,7 +669,7 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, oid_to_hex(&entry.oid)); strbuf_addch(base, '/'); - init_tree_desc(&sub, data, size); + init_tree_desc(&sub, &entry.oid, data, size); hit |= grep_tree(opt, pathspec, &sub, base, tn_len, check_attr); free(data); @@ -713,7 +713,7 @@ static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, strbuf_add(&base, name, len); strbuf_addch(&base, ':'); } - init_tree_desc(&tree, data, size); + init_tree_desc(&tree, &obj->oid, data, size); hit = grep_tree(opt, pathspec, &tree, &base, base.len, obj->type == OBJ_COMMIT); strbuf_release(&base); diff --git a/builtin/index-pack.c b/builtin/index-pack.c index a3a37bd215..856428fef9 100644 --- a/builtin/index-pack.c +++ b/builtin/index-pack.c @@ -1524,14 +1524,12 @@ static void final(const char *final_pack_name, const char *curr_pack_name, struct strbuf pack_name = STRBUF_INIT; struct strbuf index_name = STRBUF_INIT; struct strbuf rev_index_name = STRBUF_INIT; - int err; if (!from_stdin) { close(input_fd); } else { fsync_component_or_die(FSYNC_COMPONENT_PACK, output_fd, curr_pack_name); - err = close(output_fd); - if (err) + if (close(output_fd)) die_errno(_("error while closing pack file")); } @@ -1566,17 +1564,8 @@ static void final(const char *final_pack_name, const char *curr_pack_name, write_or_die(1, buf.buf, buf.len); strbuf_release(&buf); - /* - * Let's just mimic git-unpack-objects here and write - * the last part of the input buffer to stdout. - */ - while (input_len) { - err = xwrite(1, input_buffer + input_offset, input_len); - if (err <= 0) - break; - input_len -= err; - input_offset += err; - } + /* Write the last part of the buffer to stdout */ + write_in_full(1, input_buffer + input_offset, input_len); } strbuf_release(&rev_index_name); diff --git a/builtin/interpret-trailers.c b/builtin/interpret-trailers.c index 033bd1556c..8768bfea3c 100644 --- a/builtin/interpret-trailers.c +++ b/builtin/interpret-trailers.c @@ -9,12 +9,13 @@ #include "gettext.h" #include "parse-options.h" #include "string-list.h" +#include "tempfile.h" #include "trailer.h" #include "config.h" static const char * const git_interpret_trailers_usage[] = { N_("git interpret-trailers [--in-place] [--trim-empty]\n" - " [(--trailer (<key>|<keyAlias>)[(=|:)<value>])...]\n" + " [(--trailer (<key>|<key-alias>)[(=|:)<value>])...]\n" " [--parse] [<file>...]"), NULL }; @@ -91,6 +92,102 @@ static int parse_opt_parse(const struct option *opt, const char *arg, return 0; } +static struct tempfile *trailers_tempfile; + +static FILE *create_in_place_tempfile(const char *file) +{ + struct stat st; + struct strbuf filename_template = STRBUF_INIT; + const char *tail; + FILE *outfile; + + if (stat(file, &st)) + die_errno(_("could not stat %s"), file); + if (!S_ISREG(st.st_mode)) + die(_("file %s is not a regular file"), file); + if (!(st.st_mode & S_IWUSR)) + die(_("file %s is not writable by user"), file); + + /* Create temporary file in the same directory as the original */ + tail = strrchr(file, '/'); + if (tail) + strbuf_add(&filename_template, file, tail - file + 1); + strbuf_addstr(&filename_template, "git-interpret-trailers-XXXXXX"); + + trailers_tempfile = xmks_tempfile_m(filename_template.buf, st.st_mode); + strbuf_release(&filename_template); + outfile = fdopen_tempfile(trailers_tempfile, "w"); + if (!outfile) + die_errno(_("could not open temporary file")); + + return outfile; +} + +static void read_input_file(struct strbuf *sb, const char *file) +{ + if (file) { + if (strbuf_read_file(sb, file, 0) < 0) + die_errno(_("could not read input file '%s'"), file); + } else { + if (strbuf_read(sb, fileno(stdin), 0) < 0) + die_errno(_("could not read from stdin")); + } +} + +static void interpret_trailers(const struct process_trailer_options *opts, + struct list_head *new_trailer_head, + const char *file) +{ + LIST_HEAD(head); + struct strbuf sb = STRBUF_INIT; + struct strbuf trailer_block = STRBUF_INIT; + struct trailer_info info; + FILE *outfile = stdout; + + trailer_config_init(); + + read_input_file(&sb, file); + + if (opts->in_place) + outfile = create_in_place_tempfile(file); + + parse_trailers(opts, &info, sb.buf, &head); + + /* Print the lines before the trailers */ + if (!opts->only_trailers) + fwrite(sb.buf, 1, info.trailer_block_start, outfile); + + if (!opts->only_trailers && !info.blank_line_before_trailer) + fprintf(outfile, "\n"); + + + if (!opts->only_input) { + LIST_HEAD(config_head); + LIST_HEAD(arg_head); + parse_trailers_from_config(&config_head); + parse_trailers_from_command_line_args(&arg_head, new_trailer_head); + list_splice(&config_head, &arg_head); + process_trailers_lists(&head, &arg_head); + } + + /* Print trailer block. */ + format_trailers(opts, &head, &trailer_block); + free_trailers(&head); + fwrite(trailer_block.buf, 1, trailer_block.len, outfile); + strbuf_release(&trailer_block); + + /* Print the lines after the trailers as is */ + if (!opts->only_trailers) + fwrite(sb.buf + info.trailer_block_end, 1, sb.len - info.trailer_block_end, outfile); + trailer_info_release(&info); + + if (opts->in_place) + if (rename_tempfile(&trailers_tempfile, file)) + die_errno(_("could not rename temporary file to %s"), file); + + strbuf_release(&sb); +} + int cmd_interpret_trailers(int argc, const char **argv, const char *prefix) { struct process_trailer_options opts = PROCESS_TRAILER_OPTIONS_INIT; @@ -132,11 +229,11 @@ int cmd_interpret_trailers(int argc, const char **argv, const char *prefix) if (argc) { int i; for (i = 0; i < argc; i++) - process_trailers(argv[i], &opts, &trailers); + interpret_trailers(&opts, &trailers, argv[i]); } else { if (opts.in_place) die(_("no input file given for in-place editing")); - process_trailers(NULL, &opts, &trailers); + interpret_trailers(&opts, &trailers, NULL); } new_trailers_clear(&trailers); diff --git a/builtin/log.c b/builtin/log.c index db1808d7c1..e5da0d1043 100644 --- a/builtin/log.c +++ b/builtin/log.c @@ -1625,7 +1625,7 @@ static struct commit *get_base_commit(const char *base_commit, { struct commit *base = NULL; struct commit **rev; - int i = 0, rev_nr = 0, auto_select, die_on_failure; + int i = 0, rev_nr = 0, auto_select, die_on_failure, ret; switch (auto_base) { case AUTO_BASE_NEVER: @@ -1658,7 +1658,7 @@ static struct commit *get_base_commit(const char *base_commit, struct branch *curr_branch = branch_get(NULL); const char *upstream = branch_get_upstream(curr_branch, NULL); if (upstream) { - struct commit_list *base_list; + struct commit_list *base_list = NULL; struct commit *commit; struct object_id oid; @@ -1669,11 +1669,12 @@ static struct commit *get_base_commit(const char *base_commit, return NULL; } commit = lookup_commit_or_die(&oid, "upstream base"); - base_list = repo_get_merge_bases_many(the_repository, - commit, total, - list); - /* There should be one and only one merge base. */ - if (!base_list || base_list->next) { + if (repo_get_merge_bases_many(the_repository, + commit, total, + list, + &base_list) < 0 || + /* There should be one and only one merge base. */ + !base_list || base_list->next) { if (die_on_failure) { die(_("could not find exact merge base")); } else { @@ -1704,11 +1705,11 @@ static struct commit *get_base_commit(const char *base_commit, */ while (rev_nr > 1) { for (i = 0; i < rev_nr / 2; i++) { - struct commit_list *merge_base; - merge_base = repo_get_merge_bases(the_repository, - rev[2 * i], - rev[2 * i + 1]); - if (!merge_base || merge_base->next) { + struct commit_list *merge_base = NULL; + if (repo_get_merge_bases(the_repository, + rev[2 * i], + rev[2 * i + 1], &merge_base) < 0 || + !merge_base || merge_base->next) { if (die_on_failure) { die(_("failed to find exact merge base")); } else { @@ -1725,7 +1726,10 @@ static struct commit *get_base_commit(const char *base_commit, rev_nr = DIV_ROUND_UP(rev_nr, 2); } - if (!repo_in_merge_bases(the_repository, base, rev[0])) { + ret = repo_in_merge_bases(the_repository, base, rev[0]); + if (ret < 0) + exit(128); + if (!ret) { if (die_on_failure) { die(_("base commit should be the ancestor of revision list")); } else { diff --git a/builtin/ls-tree.c b/builtin/ls-tree.c index e4a891337c..61a2965c8a 100644 --- a/builtin/ls-tree.c +++ b/builtin/ls-tree.c @@ -375,6 +375,7 @@ 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 +407,9 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix) ls_tree_usage, ls_tree_options); if (argc < 1) usage_with_options(ls_tree_usage, ls_tree_options); - if (repo_get_oid(the_repository, argv[0], &oid)) + if (get_oid_with_context(the_repository, argv[0], + GET_OID_HASH_ANY, &oid, + &obj_context)) die("Not a valid object name %s", argv[0]); /* diff --git a/builtin/merge-base.c b/builtin/merge-base.c index d26e8fbf6f..5a8e729502 100644 --- a/builtin/merge-base.c +++ b/builtin/merge-base.c @@ -10,10 +10,13 @@ static int show_merge_base(struct commit **rev, int rev_nr, int show_all) { - struct commit_list *result, *r; + struct commit_list *result = NULL, *r; - result = repo_get_merge_bases_many_dirty(the_repository, rev[0], - rev_nr - 1, rev + 1); + if (repo_get_merge_bases_many_dirty(the_repository, rev[0], + rev_nr - 1, rev + 1, &result) < 0) { + free_commit_list(result); + return -1; + } if (!result) return 1; @@ -74,13 +77,17 @@ static int handle_independent(int count, const char **args) static int handle_octopus(int count, const char **args, int show_all) { struct commit_list *revs = NULL; - struct commit_list *result, *rev; + struct commit_list *result = NULL, *rev; int i; for (i = count - 1; i >= 0; i--) commit_list_insert(get_commit_reference(args[i]), &revs); - result = get_octopus_merge_bases(revs); + if (get_octopus_merge_bases(revs, &result) < 0) { + free_commit_list(revs); + free_commit_list(result); + return 128; + } free_commit_list(revs); reduce_heads_replace(&result); @@ -100,12 +107,16 @@ static int handle_octopus(int count, const char **args, int show_all) static int handle_is_ancestor(int argc, const char **argv) { struct commit *one, *two; + int ret; if (argc != 2) die("--is-ancestor takes exactly two commits"); one = get_commit_reference(argv[0]); two = get_commit_reference(argv[1]); - if (repo_in_merge_bases(the_repository, one, two)) + ret = repo_in_merge_bases(the_repository, one, two); + if (ret < 0) + exit(128); + if (ret) return 0; else return 1; diff --git a/builtin/merge-tree.c b/builtin/merge-tree.c index 3bdec53fbe..05d0cad554 100644 --- a/builtin/merge-tree.c +++ b/builtin/merge-tree.c @@ -429,41 +429,56 @@ static int real_merge(struct merge_tree_options *o, struct merge_options opt; copy_merge_options(&opt, &o->merge_options); - parent1 = get_merge_parent(branch1); - if (!parent1) - help_unknown_ref(branch1, "merge-tree", - _("not something we can merge")); - - parent2 = get_merge_parent(branch2); - if (!parent2) - help_unknown_ref(branch2, "merge-tree", - _("not something we can merge")); - opt.show_rename_progress = 0; opt.branch1 = branch1; opt.branch2 = branch2; if (merge_base) { - struct commit *base_commit; struct tree *base_tree, *parent1_tree, *parent2_tree; - base_commit = lookup_commit_reference_by_name(merge_base); - if (!base_commit) - die(_("could not lookup commit '%s'"), merge_base); + /* + * We actually only need the trees because we already + * have a merge base. + */ + struct object_id base_oid, head_oid, merge_oid; + + if (repo_get_oid_treeish(the_repository, merge_base, &base_oid)) + die(_("could not parse as tree '%s'"), merge_base); + base_tree = parse_tree_indirect(&base_oid); + if (!base_tree) + die(_("unable to read tree (%s)"), oid_to_hex(&base_oid)); + if (repo_get_oid_treeish(the_repository, branch1, &head_oid)) + die(_("could not parse as tree '%s'"), branch1); + parent1_tree = parse_tree_indirect(&head_oid); + if (!parent1_tree) + die(_("unable to read tree (%s)"), oid_to_hex(&head_oid)); + if (repo_get_oid_treeish(the_repository, branch2, &merge_oid)) + die(_("could not parse as tree '%s'"), branch2); + parent2_tree = parse_tree_indirect(&merge_oid); + if (!parent2_tree) + die(_("unable to read tree (%s)"), oid_to_hex(&merge_oid)); opt.ancestor = merge_base; - base_tree = repo_get_commit_tree(the_repository, base_commit); - parent1_tree = repo_get_commit_tree(the_repository, parent1); - parent2_tree = repo_get_commit_tree(the_repository, parent2); merge_incore_nonrecursive(&opt, base_tree, parent1_tree, parent2_tree, &result); } else { + parent1 = get_merge_parent(branch1); + if (!parent1) + help_unknown_ref(branch1, "merge-tree", + _("not something we can merge")); + + parent2 = get_merge_parent(branch2); + if (!parent2) + help_unknown_ref(branch2, "merge-tree", + _("not something we can merge")); + /* * Get the merge bases, in reverse order; see comment above * merge_incore_recursive in merge-ort.h */ - merge_bases = repo_get_merge_bases(the_repository, parent1, - parent2); + if (repo_get_merge_bases(the_repository, parent1, + parent2, &merge_bases) < 0) + exit(128); if (!merge_bases && !o->allow_unrelated_histories) die(_("refusing to merge unrelated histories")); merge_bases = reverse_commit_list(merge_bases); diff --git a/builtin/merge.c b/builtin/merge.c index 8f819781cc..1cbd6a899c 100644 --- a/builtin/merge.c +++ b/builtin/merge.c @@ -192,8 +192,7 @@ static struct strategy *get_strategy(const char *name) int j, found = 0; struct cmdname *ent = main_cmds.names[i]; for (j = 0; !found && j < ARRAY_SIZE(all_strategy); j++) - if (!strncmp(ent->name, all_strategy[j].name, ent->len) - && !all_strategy[j].name[ent->len]) + if (!xstrncmpz(all_strategy[j].name, ent->name, ent->len)) found = 1; if (!found) add_cmdname(¬_strategies, ent->name, ent->len); @@ -678,7 +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; @@ -1514,13 +1514,20 @@ int cmd_merge(int argc, const char **argv, const char *prefix) if (!remoteheads) ; /* already up-to-date */ - else if (!remoteheads->next) - common = repo_get_merge_bases(the_repository, head_commit, - remoteheads->item); - else { + else if (!remoteheads->next) { + if (repo_get_merge_bases(the_repository, head_commit, + remoteheads->item, &common) < 0) { + ret = 2; + goto done; + } + } else { struct commit_list *list = remoteheads; commit_list_insert(head_commit, &list); - common = get_octopus_merge_bases(list); + if (get_octopus_merge_bases(list, &common) < 0) { + free(list); + ret = 2; + goto done; + } free(list); } @@ -1627,7 +1634,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) struct commit_list *j; for (j = remoteheads; j; j = j->next) { - struct commit_list *common_one; + struct commit_list *common_one = NULL; struct commit *common_item; /* @@ -1635,9 +1642,10 @@ int cmd_merge(int argc, const char **argv, const char *prefix) * merge_bases again, otherwise "git merge HEAD^ * HEAD^^" would be missed. */ - common_one = repo_get_merge_bases(the_repository, - head_commit, - j->item); + if (repo_get_merge_bases(the_repository, head_commit, + j->item, &common_one) < 0) + exit(128); + common_item = common_one->item; free_commit_list(common_one); if (!oideq(&common_item->object.oid, &j->item->object.oid)) { diff --git a/builtin/name-rev.c b/builtin/name-rev.c index 2dd1807c4e..ad9930c831 100644 --- a/builtin/name-rev.c +++ b/builtin/name-rev.c @@ -15,6 +15,7 @@ #include "commit-slab.h" #include "commit-graph.h" #include "wildmatch.h" +#include "mem-pool.h" /* * One day. See the 'name a rev shortly after epoch' test in t6120 when @@ -155,30 +156,25 @@ static struct rev_name *create_or_update_name(struct commit *commit, return name; } -static char *get_parent_name(const struct rev_name *name, int parent_number) +static char *get_parent_name(const struct rev_name *name, int parent_number, + struct mem_pool *string_pool) { - struct strbuf sb = STRBUF_INIT; size_t len; strip_suffix(name->tip_name, "^0", &len); if (name->generation > 0) { - strbuf_grow(&sb, len + - 1 + decimal_width(name->generation) + - 1 + decimal_width(parent_number)); - strbuf_addf(&sb, "%.*s~%d^%d", (int)len, name->tip_name, - name->generation, parent_number); + return mem_pool_strfmt(string_pool, "%.*s~%d^%d", + (int)len, name->tip_name, + name->generation, parent_number); } else { - strbuf_grow(&sb, len + - 1 + decimal_width(parent_number)); - strbuf_addf(&sb, "%.*s^%d", (int)len, name->tip_name, - parent_number); + return mem_pool_strfmt(string_pool, "%.*s^%d", + (int)len, name->tip_name, parent_number); } - return strbuf_detach(&sb, NULL); } static void name_rev(struct commit *start_commit, const char *tip_name, timestamp_t taggerdate, - int from_tag, int deref) + int from_tag, int deref, struct mem_pool *string_pool) { struct prio_queue queue; struct commit *commit; @@ -195,9 +191,10 @@ static void name_rev(struct commit *start_commit, if (!start_name) return; if (deref) - start_name->tip_name = xstrfmt("%s^0", tip_name); + start_name->tip_name = mem_pool_strfmt(string_pool, "%s^0", + tip_name); else - start_name->tip_name = xstrdup(tip_name); + start_name->tip_name = mem_pool_strdup(string_pool, tip_name); memset(&queue, 0, sizeof(queue)); /* Use the prio_queue as LIFO */ prio_queue_put(&queue, start_commit); @@ -235,7 +232,8 @@ static void name_rev(struct commit *start_commit, if (parent_number > 1) parent_name->tip_name = get_parent_name(name, - parent_number); + parent_number, + string_pool); else parent_name->tip_name = name->tip_name; ALLOC_GROW(parents_to_queue, @@ -415,7 +413,7 @@ static int name_ref(const char *path, const struct object_id *oid, return 0; } -static void name_tips(void) +static void name_tips(struct mem_pool *string_pool) { int i; @@ -428,7 +426,7 @@ static void name_tips(void) struct tip_table_entry *e = &tip_table.table[i]; if (e->commit) { name_rev(e->commit, e->refname, e->taggerdate, - e->from_tag, e->deref); + e->from_tag, e->deref, string_pool); } } } @@ -561,6 +559,7 @@ static void name_rev_line(char *p, struct name_ref_data *data) int cmd_name_rev(int argc, const char **argv, const char *prefix) { + struct mem_pool string_pool; struct object_array revs = OBJECT_ARRAY_INIT; int all = 0, annotate_stdin = 0, transform_stdin = 0, allow_undefined = 1, always = 0, peel_tag = 0; struct name_ref_data data = { 0, 0, STRING_LIST_INIT_NODUP, STRING_LIST_INIT_NODUP }; @@ -587,6 +586,7 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix) OPT_END(), }; + mem_pool_init(&string_pool, 0); init_commit_rev_name(&rev_names); git_config(git_default_config, NULL); argc = parse_options(argc, argv, prefix, opts, name_rev_usage, 0); @@ -648,7 +648,7 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix) adjust_cutoff_timestamp_for_slop(); for_each_ref(name_ref, &data); - name_tips(); + name_tips(&string_pool); if (annotate_stdin) { struct strbuf sb = STRBUF_INIT; @@ -676,6 +676,7 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix) always, allow_undefined, data.name_only); } + UNLEAK(string_pool); UNLEAK(revs); return 0; } 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/pull.c b/builtin/pull.c index 73a68b75b0..72cbb76d52 100644 --- a/builtin/pull.c +++ b/builtin/pull.c @@ -815,7 +815,7 @@ static int get_octopus_merge_base(struct object_id *merge_base, const struct object_id *merge_head, const struct object_id *fork_point) { - struct commit_list *revs = NULL, *result; + struct commit_list *revs = NULL, *result = NULL; commit_list_insert(lookup_commit_reference(the_repository, curr_head), &revs); @@ -825,7 +825,8 @@ static int get_octopus_merge_base(struct object_id *merge_base, commit_list_insert(lookup_commit_reference(the_repository, fork_point), &revs); - result = get_octopus_merge_bases(revs); + if (get_octopus_merge_bases(revs, &result) < 0) + exit(128); free_commit_list(revs); reduce_heads_replace(&result); @@ -926,6 +927,8 @@ static int get_can_ff(struct object_id *orig_head, merge_head = lookup_commit_reference(the_repository, orig_merge_head); ret = repo_is_descendant_of(the_repository, merge_head, list); free_commit_list(list); + if (ret < 0) + exit(128); return ret; } @@ -950,6 +953,8 @@ static int already_up_to_date(struct object_id *orig_head, commit_list_insert(theirs, &list); ok = repo_is_descendant_of(the_repository, ours, list); free_commit_list(list); + if (ok < 0) + exit(128); if (!ok) return 0; } diff --git a/builtin/read-tree.c b/builtin/read-tree.c index 20e7db1973..6f89cec0fb 100644 --- a/builtin/read-tree.c +++ b/builtin/read-tree.c @@ -261,8 +261,9 @@ int cmd_read_tree(int argc, const char **argv, const char *cmd_prefix) cache_tree_free(&the_index.cache_tree); for (i = 0; i < nr_trees; i++) { struct tree *tree = trees[i]; - parse_tree(tree); - init_tree_desc(t+i, tree->buffer, tree->size); + if (parse_tree(tree) < 0) + return 128; + init_tree_desc(t+i, &tree->object.oid, tree->buffer, tree->size); } if (unpack_trees(nr_trees, t, &opts)) return 128; diff --git a/builtin/rebase.c b/builtin/rebase.c index 5b086f651a..e444ab102d 100644 --- a/builtin/rebase.c +++ b/builtin/rebase.c @@ -567,13 +567,6 @@ static int move_to_original_branch(struct rebase_options *opts) return ret; } -static const char *resolvemsg = -N_("Resolve all conflicts manually, mark them as resolved with\n" -"\"git add/rm <conflicted_files>\", then run \"git rebase --continue\".\n" -"You can instead skip this commit: run \"git rebase --skip\".\n" -"To abort and get back to the state before \"git rebase\", run " -"\"git rebase --abort\"."); - static int run_am(struct rebase_options *opts) { struct child_process am = CHILD_PROCESS_INIT; @@ -587,7 +580,7 @@ static int run_am(struct rebase_options *opts) opts->reflog_action); if (opts->action == ACTION_CONTINUE) { strvec_push(&am.args, "--resolved"); - strvec_pushf(&am.args, "--resolvemsg=%s", resolvemsg); + strvec_pushf(&am.args, "--resolvemsg=%s", rebase_resolvemsg); if (opts->gpg_sign_opt) strvec_push(&am.args, opts->gpg_sign_opt); status = run_command(&am); @@ -598,7 +591,7 @@ static int run_am(struct rebase_options *opts) } if (opts->action == ACTION_SKIP) { strvec_push(&am.args, "--skip"); - strvec_pushf(&am.args, "--resolvemsg=%s", resolvemsg); + strvec_pushf(&am.args, "--resolvemsg=%s", rebase_resolvemsg); status = run_command(&am); if (status) return status; @@ -672,7 +665,7 @@ static int run_am(struct rebase_options *opts) strvec_pushv(&am.args, opts->git_am_opts.v); strvec_push(&am.args, "--rebasing"); - strvec_pushf(&am.args, "--resolvemsg=%s", resolvemsg); + strvec_pushf(&am.args, "--resolvemsg=%s", rebase_resolvemsg); strvec_push(&am.args, "--patch-format=mboxrd"); if (opts->allow_rerere_autoupdate == RERERE_AUTOUPDATE) strvec_push(&am.args, "--rerere-autoupdate"); @@ -700,7 +693,6 @@ static int run_specific_rebase(struct rebase_options *opts) if (opts->type == REBASE_MERGE) { /* Run sequencer-based rebase */ - setenv("GIT_CHERRY_PICK_HELP", resolvemsg, 1); if (!(opts->flags & REBASE_INTERACTIVE_EXPLICIT)) setenv("GIT_SEQUENCE_EDITOR", ":", 1); if (opts->gpg_sign_opt) { @@ -867,7 +859,8 @@ static int can_fast_forward(struct commit *onto, struct commit *upstream, if (!upstream) goto done; - merge_bases = repo_get_merge_bases(the_repository, upstream, head); + if (repo_get_merge_bases(the_repository, upstream, head, &merge_bases) < 0) + exit(128); if (!merge_bases || merge_bases->next) goto done; @@ -886,8 +879,9 @@ static void fill_branch_base(struct rebase_options *options, { struct commit_list *merge_bases = NULL; - merge_bases = repo_get_merge_bases(the_repository, options->onto, - options->orig_head); + if (repo_get_merge_bases(the_repository, options->onto, + options->orig_head, &merge_bases) < 0) + exit(128); if (!merge_bases || merge_bases->next) oidcpy(branch_base, null_oid()); else @@ -1254,7 +1248,7 @@ int cmd_rebase(int argc, const char **argv, const char *prefix) die(_("options '%s' and '%s' cannot be used together"), "--root", "--fork-point"); if (options.action != ACTION_NONE && !in_progress) - die(_("No rebase in progress?")); + die(_("no rebase in progress")); if (options.action == ACTION_EDIT_TODO && !is_merge(&options)) die(_("The --edit-todo action can only be used during " diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c index db65607485..56d8a77ed7 100644 --- a/builtin/receive-pack.c +++ b/builtin/receive-pack.c @@ -1526,6 +1526,7 @@ static const char *update(struct command *cmd, struct shallow_info *si) starts_with(name, "refs/heads/")) { struct object *old_object, *new_object; struct commit *old_commit, *new_commit; + int ret2; old_object = parse_object(the_repository, old_oid); new_object = parse_object(the_repository, new_oid); @@ -1539,7 +1540,10 @@ static const char *update(struct command *cmd, struct shallow_info *si) } old_commit = (struct commit *)old_object; new_commit = (struct commit *)new_object; - if (!repo_in_merge_bases(the_repository, old_commit, new_commit)) { + ret2 = repo_in_merge_bases(the_repository, old_commit, new_commit); + if (ret2 < 0) + exit(128); + if (!ret2) { rp_error("denying non-fast-forward %s" " (you should pull first)", name); ret = "non-fast-forward"; diff --git a/builtin/reflog.c b/builtin/reflog.c index a5a4099f61..060eb3377e 100644 --- a/builtin/reflog.c +++ b/builtin/reflog.c @@ -7,11 +7,15 @@ #include "wildmatch.h" #include "worktree.h" #include "reflog.h" +#include "refs.h" #include "parse-options.h" #define BUILTIN_REFLOG_SHOW_USAGE \ N_("git reflog [show] [<log-options>] [<ref>]") +#define BUILTIN_REFLOG_LIST_USAGE \ + N_("git reflog list") + #define BUILTIN_REFLOG_EXPIRE_USAGE \ N_("git reflog expire [--expire=<time>] [--expire-unreachable=<time>]\n" \ " [--rewrite] [--updateref] [--stale-fix]\n" \ @@ -29,6 +33,11 @@ static const char *const reflog_show_usage[] = { NULL, }; +static const char *const reflog_list_usage[] = { + BUILTIN_REFLOG_LIST_USAGE, + NULL, +}; + static const char *const reflog_expire_usage[] = { BUILTIN_REFLOG_EXPIRE_USAGE, NULL @@ -46,6 +55,7 @@ static const char *const reflog_exists_usage[] = { static const char *const reflog_usage[] = { BUILTIN_REFLOG_SHOW_USAGE, + BUILTIN_REFLOG_LIST_USAGE, BUILTIN_REFLOG_EXPIRE_USAGE, BUILTIN_REFLOG_DELETE_USAGE, BUILTIN_REFLOG_EXISTS_USAGE, @@ -60,8 +70,7 @@ struct worktree_reflogs { struct string_list reflogs; }; -static int collect_reflog(const char *ref, const struct object_id *oid UNUSED, - int flags UNUSED, void *cb_data) +static int collect_reflog(const char *ref, void *cb_data) { struct worktree_reflogs *cb = cb_data; struct worktree *worktree = cb->worktree; @@ -96,8 +105,7 @@ static struct reflog_expire_cfg *find_cfg_ent(const char *pattern, size_t len) reflog_expire_cfg_tail = &reflog_expire_cfg; for (ent = reflog_expire_cfg; ent; ent = ent->next) - if (!strncmp(ent->pattern, pattern, len) && - ent->pattern[len] == '\0') + if (!xstrncmpz(ent->pattern, pattern, len)) return ent; FLEX_ALLOC_MEM(ent, pattern, pattern, len); @@ -239,6 +247,29 @@ static int cmd_reflog_show(int argc, const char **argv, const char *prefix) return cmd_log_reflog(argc, argv, prefix); } +static int show_reflog(const char *refname, void *cb_data UNUSED) +{ + printf("%s\n", refname); + return 0; +} + +static int cmd_reflog_list(int argc, const char **argv, const char *prefix) +{ + struct option options[] = { + OPT_END() + }; + struct ref_store *ref_store; + + argc = parse_options(argc, argv, prefix, options, reflog_list_usage, 0); + if (argc) + return error(_("%s does not accept arguments: '%s'"), + "list", argv[0]); + + ref_store = get_main_ref_store(the_repository); + + return refs_for_each_reflog(ref_store, show_reflog, NULL); +} + static int cmd_reflog_expire(int argc, const char **argv, const char *prefix) { struct cmd_reflog_expire_cb cmd = { 0 }; @@ -418,6 +449,7 @@ int cmd_reflog(int argc, const char **argv, const char *prefix) parse_opt_subcommand_fn *fn = NULL; struct option options[] = { OPT_SUBCOMMAND("show", &fn, cmd_reflog_show), + OPT_SUBCOMMAND("list", &fn, cmd_reflog_list), OPT_SUBCOMMAND("expire", &fn, cmd_reflog_expire), OPT_SUBCOMMAND("delete", &fn, cmd_reflog_delete), OPT_SUBCOMMAND("exists", &fn, cmd_reflog_exists), diff --git a/builtin/remote.c b/builtin/remote.c index d91bbe728d..8412d12fa5 100644 --- a/builtin/remote.c +++ b/builtin/remote.c @@ -150,7 +150,7 @@ static int parse_mirror_opt(const struct option *opt, const char *arg, int not) else if (!strcmp(arg, "push")) *mirror = MIRROR_PUSH; else - return error(_("unknown mirror argument: %s"), arg); + return error(_("unknown --mirror argument: %s"), arg); return 0; } diff --git a/builtin/repack.c b/builtin/repack.c index ede36328a3..15e4cccc45 100644 --- a/builtin/repack.c +++ b/builtin/repack.c @@ -314,8 +314,9 @@ static int write_oid(const struct object_id *oid, die(_("could not start pack-objects to repack promisor objects")); } - xwrite(cmd->in, oid_to_hex(oid), the_hash_algo->hexsz); - xwrite(cmd->in, "\n", 1); + if (write_in_full(cmd->in, oid_to_hex(oid), the_hash_algo->hexsz) < 0 || + write_in_full(cmd->in, "\n", 1) < 0) + die(_("failed to feed promisor objects to pack-objects")); return 0; } diff --git a/builtin/reset.c b/builtin/reset.c index 8390bfe4c4..1d62ff6332 100644 --- a/builtin/reset.c +++ b/builtin/reset.c @@ -116,6 +116,10 @@ static int reset_index(const char *ref, const struct object_id *oid, int reset_t if (reset_type == MIXED || reset_type == HARD) { tree = parse_tree_indirect(oid); + if (!tree) { + error(_("unable to read tree (%s)"), oid_to_hex(oid)); + goto out; + } prime_cache_tree(the_repository, the_repository->index, tree); } @@ -281,7 +285,9 @@ static void parse_args(struct pathspec *pathspec, verify_filename(prefix, argv[0], 1); } } - *rev_ret = rev; + + /* treat '@' as a shortcut for 'HEAD' */ + *rev_ret = !strcmp("@", rev) ? "HEAD" : rev; parse_pathspec(pathspec, 0, PATHSPEC_PREFER_FULL | diff --git a/builtin/rev-list.c b/builtin/rev-list.c index b3f4783858..ec455aa972 100644 --- a/builtin/rev-list.c +++ b/builtin/rev-list.c @@ -545,6 +545,18 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) * * Let "--missing" to conditionally set fetch_if_missing. */ + /* + * NEEDSWORK: These loops that attempt to find presence of + * options without understanding that the options they are + * skipping are broken (e.g., it would not know "--grep + * --exclude-promisor-objects" is not triggering + * "--exclude-promisor-objects" option). We really need + * setup_revisions() to have a mechanism to allow and disallow + * some sets of options for different commands (like rev-list, + * replay, etc). Such a mechanism should do an early parsing + * of options and be able to manage the `--missing=...` and + * `--exclude-promisor-objects` options below. + */ for (i = 1; i < argc; i++) { const char *arg = argv[i]; if (!strcmp(arg, "--exclude-promisor-objects")) { @@ -753,8 +765,12 @@ int cmd_rev_list(int argc, const char **argv, const char *prefix) if (arg_print_omitted) oidset_init(&omitted_objects, DEFAULT_OIDSET_SIZE); - if (arg_missing_action == MA_PRINT) + if (arg_missing_action == MA_PRINT) { oidset_init(&missing_objects, DEFAULT_OIDSET_SIZE); + /* Add missing tips */ + oidset_insert_from_set(&missing_objects, &revs.missing_commits); + oidset_clear(&revs.missing_commits); + } traverse_commit_list_filtered( &revs, show_commit, show_object, &info, diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index d08987646a..624182e507 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -25,6 +25,7 @@ #include "submodule.h" #include "commit-reach.h" #include "shallow.h" +#include "object-file-convert.h" #define DO_REVS 1 #define DO_NOREV 2 @@ -297,7 +298,7 @@ static int try_difference(const char *arg) show_rev(NORMAL, &end_oid, end); show_rev(symmetric ? NORMAL : REVERSED, &start_oid, start); if (symmetric) { - struct commit_list *exclude; + struct commit_list *exclude = NULL; struct commit *a, *b; a = lookup_commit_reference(the_repository, &start_oid); b = lookup_commit_reference(the_repository, &end_oid); @@ -305,7 +306,8 @@ static int try_difference(const char *arg) *dotdot = '.'; return 0; } - exclude = repo_get_merge_bases(the_repository, a, b); + if (repo_get_merge_bases(the_repository, a, b, &exclude) < 0) + exit(128); while (exclude) { struct commit *commit = pop_commit(&exclude); show_rev(REVERSED, &commit->object.oid, NULL); @@ -675,6 +677,8 @@ static void print_path(const char *path, const char *prefix, enum format_type fo int cmd_rev_parse(int argc, const char **argv, const char *prefix) { int i, as_is = 0, verify = 0, quiet = 0, revs_count = 0, type = 0; + const struct git_hash_algo *output_algo = NULL; + const struct git_hash_algo *compat = NULL; int did_repo_setup = 0; int has_dashdash = 0; int output_prefix = 0; @@ -746,6 +750,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) prepare_repo_settings(the_repository); the_repository->settings.command_requires_full_index = 0; + compat = the_repository->compat_hash_algo; } if (!strcmp(arg, "--")) { @@ -833,6 +838,22 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) flags |= GET_OID_QUIETLY; continue; } + if (opt_with_value(arg, "--output-object-format", &arg)) { + if (!arg) + die(_("no object format specified")); + if (!strcmp(arg, the_hash_algo->name) || + !strcmp(arg, "storage")) { + flags |= GET_OID_HASH_ANY; + output_algo = the_hash_algo; + continue; + } + else if (compat && !strcmp(arg, compat->name)) { + flags |= GET_OID_HASH_ANY; + output_algo = compat; + continue; + } + else die(_("unsupported object format: %s"), arg); + } if (opt_with_value(arg, "--short", &arg)) { filter &= ~(DO_FLAGS|DO_NOREV); verify = 1; @@ -882,7 +903,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) continue; } if (skip_prefix(arg, "--disambiguate=", &arg)) { - repo_for_each_abbrev(the_repository, arg, + repo_for_each_abbrev(the_repository, arg, the_hash_algo, show_abbrev, NULL); continue; } @@ -1090,6 +1111,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) } if (!get_oid_with_context(the_repository, name, flags, &oid, &unused)) { + if (output_algo) + repo_oid_to_algop(the_repository, &oid, + output_algo, &oid); if (verify) revs_count++; else diff --git a/builtin/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/tag.c b/builtin/tag.c index 37473ac21f..e2ff749832 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" @@ -151,9 +152,43 @@ 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[] = @@ -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; } @@ -530,7 +567,8 @@ int cmd_tag(int argc, const char **argv, const char *prefix) struct column_options copts; memset(&copts, 0, sizeof(copts)); copts.padding = 2; - run_column_filter(colopts, &copts); + if (run_column_filter(colopts, &copts)) + die(_("could not start 'git column'")); } filter.name_patterns = argv; ret = list_tags(&filter, sorting, &format); diff --git a/builtin/unpack-objects.c b/builtin/unpack-objects.c index e0a701f2b3..f1c85a00ae 100644 --- a/builtin/unpack-objects.c +++ b/builtin/unpack-objects.c @@ -679,13 +679,7 @@ int cmd_unpack_objects(int argc, const char **argv, const char *prefix UNUSED) use(the_hash_algo->rawsz); /* Write the last part of the buffer to stdout */ - while (len) { - int ret = xwrite(1, buffer + offset, len); - if (ret <= 0) - break; - len -= ret; - offset += ret; - } + write_in_full(1, buffer + offset, len); /* All done */ return has_errors; diff --git a/builtin/upload-pack.c b/builtin/upload-pack.c index 9b021ef026..15afb97260 100644 --- a/builtin/upload-pack.c +++ b/builtin/upload-pack.c @@ -8,6 +8,7 @@ #include "replace-object.h" #include "upload-pack.h" #include "serve.h" +#include "commit.h" static const char * const upload_pack_usage[] = { N_("git-upload-pack [--[no-]strict] [--timeout=<n>] [--stateless-rpc]\n" @@ -37,6 +38,7 @@ int cmd_upload_pack(int argc, const char **argv, const char *prefix) packet_trace_identity("upload-pack"); disable_replace_refs(); + save_commit_buffer = 0; argc = parse_options(argc, argv, prefix, options, upload_pack_usage, 0); diff --git a/cache-tree.c b/cache-tree.c index 64678fe199..387c0a3e5b 100644 --- a/cache-tree.c +++ b/cache-tree.c @@ -447,7 +447,7 @@ static int update_one(struct cache_tree *it, hash_object_file(the_hash_algo, buffer.buf, buffer.len, OBJ_TREE, &it->oid); } else if (write_object_file_flags(buffer.buf, buffer.len, OBJ_TREE, - &it->oid, flags & WRITE_TREE_SILENT + &it->oid, NULL, flags & WRITE_TREE_SILENT ? HASH_SILENT : 0)) { strbuf_release(&buffer); return -1; @@ -769,7 +769,7 @@ static void prime_cache_tree_rec(struct repository *r, oidcpy(&it->oid, &tree->object.oid); - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); cnt = 0; while (tree_entry(&desc, &entry)) { if (!S_ISDIR(entry.mode)) @@ -778,8 +778,8 @@ static void prime_cache_tree_rec(struct repository *r, struct cache_tree_sub *sub; struct tree *subtree = lookup_tree(r, &entry.oid); - if (!subtree->object.parsed) - parse_tree(subtree); + if (parse_tree(subtree) < 0) + exit(128); sub = cache_tree_sub(it, entry.path); sub->cache_tree = cache_tree(); @@ -367,7 +367,7 @@ linux-musl) MAKEFLAGS="$MAKEFLAGS NO_REGEX=Yes ICONV_OMITS_BOM=Yes" MAKEFLAGS="$MAKEFLAGS GIT_TEST_UTF8_LOCALE=C.UTF-8" ;; -linux-leaks) +linux-leaks|linux-reftable-leaks) export SANITIZE=leak export GIT_TEST_PASSING_SANITIZE_LEAK=true export GIT_TEST_SANITIZE_LEAK_LOG=true diff --git a/ci/run-build-and-minimal-fuzzers.sh b/ci/run-build-and-minimal-fuzzers.sh index 8ba486f659..a51076d18d 100755 --- a/ci/run-build-and-minimal-fuzzers.sh +++ b/ci/run-build-and-minimal-fuzzers.sh @@ -12,7 +12,7 @@ group "Build fuzzers" make \ LIB_FUZZING_ENGINE="-fsanitize=fuzzer,address" \ fuzz-all -for fuzzer in commit-graph date pack-headers pack-idx ; do +for fuzzer in commit-graph config date pack-headers pack-idx ; do begin_group "fuzz-$fuzzer" ./oss-fuzz/fuzz-$fuzzer -verbosity=0 -runs=1 || exit 1 end_group "fuzz-$fuzzer" diff --git a/ci/run-build-and-tests.sh b/ci/run-build-and-tests.sh index 7a1466b868..c192bd613c 100755 --- a/ci/run-build-and-tests.sh +++ b/ci/run-build-and-tests.sh @@ -37,6 +37,9 @@ linux-clang) linux-sha256) export GIT_TEST_DEFAULT_HASH=sha256 ;; +linux-reftable|linux-reftable-leaks|osx-reftable) + export GIT_TEST_DEFAULT_REF_FORMAT=reftable + ;; pedantic) # Don't run the tests; we only care about whether Git can be # built. @@ -182,6 +182,8 @@ void print_columns(const struct string_list *list, unsigned int colopts, { struct column_options nopts; + if (opts && (0 > opts->padding)) + BUG("padding must be non-negative"); if (!list->nr) return; assert((colopts & COL_ENABLE_MASK) != COL_AUTO); @@ -361,6 +363,8 @@ int run_column_filter(int colopts, const struct column_options *opts) { struct strvec *argv; + if (opts && (0 > opts->padding)) + BUG("padding must be non-negative"); if (fd_out != -1) return -1; diff --git a/commit-reach.c b/commit-reach.c index ecc913fc99..8f9b008f87 100644 --- a/commit-reach.c +++ b/commit-reach.c @@ -49,13 +49,14 @@ static int queue_has_nonstale(struct prio_queue *queue) } /* all input commits in one and twos[] must have been parsed! */ -static struct commit_list *paint_down_to_common(struct repository *r, - struct commit *one, int n, - struct commit **twos, - timestamp_t min_generation) +static int paint_down_to_common(struct repository *r, + struct commit *one, int n, + struct commit **twos, + timestamp_t min_generation, + int ignore_missing_commits, + struct commit_list **result) { struct prio_queue queue = { compare_commits_by_gen_then_commit_date }; - struct commit_list *result = NULL; int i; timestamp_t last_gen = GENERATION_NUMBER_INFINITY; @@ -64,8 +65,8 @@ static struct commit_list *paint_down_to_common(struct repository *r, one->object.flags |= PARENT1; if (!n) { - commit_list_append(one, &result); - return result; + commit_list_append(one, result); + return 0; } prio_queue_put(&queue, one); @@ -93,7 +94,7 @@ static struct commit_list *paint_down_to_common(struct repository *r, if (flags == (PARENT1 | PARENT2)) { if (!(commit->object.flags & RESULT)) { commit->object.flags |= RESULT; - commit_list_insert_by_date(commit, &result); + commit_list_insert_by_date(commit, result); } /* Mark parents of a found merge stale */ flags |= STALE; @@ -104,67 +105,97 @@ static struct commit_list *paint_down_to_common(struct repository *r, parents = parents->next; if ((p->object.flags & flags) == flags) continue; - if (repo_parse_commit(r, p)) - return NULL; + if (repo_parse_commit(r, p)) { + clear_prio_queue(&queue); + free_commit_list(*result); + *result = NULL; + /* + * At this stage, we know that the commit is + * missing: `repo_parse_commit()` uses + * `OBJECT_INFO_DIE_IF_CORRUPT` and therefore + * corrupt commits would already have been + * dispatched with a `die()`. + */ + if (ignore_missing_commits) + return 0; + return error(_("could not parse commit %s"), + oid_to_hex(&p->object.oid)); + } p->object.flags |= flags; prio_queue_put(&queue, p); } } clear_prio_queue(&queue); - return result; + return 0; } -static struct commit_list *merge_bases_many(struct repository *r, - struct commit *one, int n, - struct commit **twos) +static int merge_bases_many(struct repository *r, + struct commit *one, int n, + struct commit **twos, + struct commit_list **result) { struct commit_list *list = NULL; - struct commit_list *result = NULL; int i; for (i = 0; i < n; i++) { - if (one == twos[i]) + if (one == twos[i]) { /* * We do not mark this even with RESULT so we do not * have to clean it up. */ - return commit_list_insert(one, &result); + *result = commit_list_insert(one, result); + return 0; + } } + if (!one) + return 0; if (repo_parse_commit(r, one)) - return NULL; + return error(_("could not parse commit %s"), + oid_to_hex(&one->object.oid)); for (i = 0; i < n; i++) { + if (!twos[i]) + return 0; if (repo_parse_commit(r, twos[i])) - return NULL; + return error(_("could not parse commit %s"), + oid_to_hex(&twos[i]->object.oid)); } - list = paint_down_to_common(r, one, n, twos, 0); + if (paint_down_to_common(r, one, n, twos, 0, 0, &list)) { + free_commit_list(list); + return -1; + } while (list) { struct commit *commit = pop_commit(&list); if (!(commit->object.flags & STALE)) - commit_list_insert_by_date(commit, &result); + commit_list_insert_by_date(commit, result); } - return result; + return 0; } -struct commit_list *get_octopus_merge_bases(struct commit_list *in) +int get_octopus_merge_bases(struct commit_list *in, struct commit_list **result) { - struct commit_list *i, *j, *k, *ret = NULL; + struct commit_list *i, *j, *k; if (!in) - return ret; + return 0; - commit_list_insert(in->item, &ret); + commit_list_insert(in->item, result); for (i = in->next; i; i = i->next) { struct commit_list *new_commits = NULL, *end = NULL; - for (j = ret; j; j = j->next) { - struct commit_list *bases; - bases = repo_get_merge_bases(the_repository, i->item, - j->item); + for (j = *result; j; j = j->next) { + struct commit_list *bases = NULL; + if (repo_get_merge_bases(the_repository, i->item, + j->item, &bases) < 0) { + free_commit_list(bases); + free_commit_list(*result); + *result = NULL; + return -1; + } if (!new_commits) new_commits = bases; else @@ -172,10 +203,10 @@ struct commit_list *get_octopus_merge_bases(struct commit_list *in) for (k = bases; k; k = k->next) end = k; } - free_commit_list(ret); - ret = new_commits; + free_commit_list(*result); + *result = new_commits; } - return ret; + return 0; } static int remove_redundant_no_gen(struct repository *r, @@ -193,7 +224,7 @@ static int remove_redundant_no_gen(struct repository *r, for (i = 0; i < cnt; i++) repo_parse_commit(r, array[i]); for (i = 0; i < cnt; i++) { - struct commit_list *common; + struct commit_list *common = NULL; timestamp_t min_generation = commit_graph_generation(array[i]); if (redundant[i]) @@ -209,8 +240,16 @@ static int remove_redundant_no_gen(struct repository *r, if (curr_generation < min_generation) min_generation = curr_generation; } - common = paint_down_to_common(r, array[i], filled, - work, min_generation); + if (paint_down_to_common(r, array[i], filled, + work, min_generation, 0, &common)) { + clear_commit_marks(array[i], all_flags); + clear_commit_marks_many(filled, work, all_flags); + free_commit_list(common); + free(work); + free(redundant); + free(filled_index); + return -1; + } if (array[i]->object.flags & PARENT2) redundant[i] = 1; for (j = 0; j < filled; j++) @@ -375,69 +414,77 @@ static int remove_redundant(struct repository *r, struct commit **array, int cnt return remove_redundant_no_gen(r, array, cnt); } -static struct commit_list *get_merge_bases_many_0(struct repository *r, - struct commit *one, - int n, - struct commit **twos, - int cleanup) +static int get_merge_bases_many_0(struct repository *r, + struct commit *one, + int n, + struct commit **twos, + int cleanup, + struct commit_list **result) { struct commit_list *list; struct commit **rslt; - struct commit_list *result; int cnt, i; - result = merge_bases_many(r, one, n, twos); + if (merge_bases_many(r, one, n, twos, result) < 0) + return -1; for (i = 0; i < n; i++) { if (one == twos[i]) - return result; + return 0; } - if (!result || !result->next) { + if (!*result || !(*result)->next) { if (cleanup) { clear_commit_marks(one, all_flags); clear_commit_marks_many(n, twos, all_flags); } - return result; + return 0; } /* There are more than one */ - cnt = commit_list_count(result); + cnt = commit_list_count(*result); CALLOC_ARRAY(rslt, cnt); - for (list = result, i = 0; list; list = list->next) + for (list = *result, i = 0; list; list = list->next) rslt[i++] = list->item; - free_commit_list(result); + free_commit_list(*result); + *result = NULL; clear_commit_marks(one, all_flags); clear_commit_marks_many(n, twos, all_flags); cnt = remove_redundant(r, rslt, cnt); - result = NULL; + if (cnt < 0) { + free(rslt); + return -1; + } for (i = 0; i < cnt; i++) - commit_list_insert_by_date(rslt[i], &result); + commit_list_insert_by_date(rslt[i], result); free(rslt); - return result; + return 0; } -struct commit_list *repo_get_merge_bases_many(struct repository *r, - struct commit *one, - int n, - struct commit **twos) +int repo_get_merge_bases_many(struct repository *r, + struct commit *one, + int n, + struct commit **twos, + struct commit_list **result) { - return get_merge_bases_many_0(r, one, n, twos, 1); + return get_merge_bases_many_0(r, one, n, twos, 1, result); } -struct commit_list *repo_get_merge_bases_many_dirty(struct repository *r, - struct commit *one, - int n, - struct commit **twos) +int repo_get_merge_bases_many_dirty(struct repository *r, + struct commit *one, + int n, + struct commit **twos, + struct commit_list **result) { - return get_merge_bases_many_0(r, one, n, twos, 0); + return get_merge_bases_many_0(r, one, n, twos, 0, result); } -struct commit_list *repo_get_merge_bases(struct repository *r, - struct commit *one, - struct commit *two) +int repo_get_merge_bases(struct repository *r, + struct commit *one, + struct commit *two, + struct commit_list **result) { - return get_merge_bases_many_0(r, one, 1, &two, 1); + return get_merge_bases_many_0(r, one, 1, &two, 1, result); } /* @@ -460,11 +507,13 @@ int repo_is_descendant_of(struct repository *r, } else { while (with_commit) { struct commit *other; + int ret; other = with_commit->item; with_commit = with_commit->next; - if (repo_in_merge_bases_many(r, other, 1, &commit)) - return 1; + ret = repo_in_merge_bases_many(r, other, 1, &commit, 0); + if (ret) + return ret; } return 0; } @@ -474,17 +523,18 @@ int repo_is_descendant_of(struct repository *r, * Is "commit" an ancestor of one of the "references"? */ int repo_in_merge_bases_many(struct repository *r, struct commit *commit, - int nr_reference, struct commit **reference) + int nr_reference, struct commit **reference, + int ignore_missing_commits) { - struct commit_list *bases; + struct commit_list *bases = NULL; int ret = 0, i; timestamp_t generation, max_generation = GENERATION_NUMBER_ZERO; if (repo_parse_commit(r, commit)) - return ret; + return ignore_missing_commits ? 0 : -1; for (i = 0; i < nr_reference; i++) { if (repo_parse_commit(r, reference[i])) - return ret; + return ignore_missing_commits ? 0 : -1; generation = commit_graph_generation(reference[i]); if (generation > max_generation) @@ -495,10 +545,11 @@ int repo_in_merge_bases_many(struct repository *r, struct commit *commit, if (generation > max_generation) return ret; - bases = paint_down_to_common(r, commit, - nr_reference, reference, - generation); - if (commit->object.flags & PARENT2) + if (paint_down_to_common(r, commit, + nr_reference, reference, + generation, ignore_missing_commits, &bases)) + ret = -1; + else if (commit->object.flags & PARENT2) ret = 1; clear_commit_marks(commit, all_flags); clear_commit_marks_many(nr_reference, reference, all_flags); @@ -551,6 +602,10 @@ struct commit_list *reduce_heads(struct commit_list *heads) } } num_head = remove_redundant(the_repository, array, num_head); + if (num_head < 0) { + free(array); + return NULL; + } for (i = 0; i < num_head; i++) tail = &commit_list_insert(array[i], tail)->next; free(array); @@ -593,6 +648,8 @@ int ref_newer(const struct object_id *new_oid, const struct object_id *old_oid) commit_list_insert(old_commit, &old_commit_list); ret = repo_is_descendant_of(the_repository, new_commit, old_commit_list); + if (ret < 0) + exit(128); free_commit_list(old_commit_list); return ret; } diff --git a/commit-reach.h b/commit-reach.h index 35c4da4948..bf63cc468f 100644 --- a/commit-reach.h +++ b/commit-reach.h @@ -9,18 +9,21 @@ struct ref_filter; struct object_id; struct object_array; -struct commit_list *repo_get_merge_bases(struct repository *r, - struct commit *rev1, - struct commit *rev2); -struct commit_list *repo_get_merge_bases_many(struct repository *r, - struct commit *one, int n, - struct commit **twos); +int repo_get_merge_bases(struct repository *r, + struct commit *rev1, + struct commit *rev2, + struct commit_list **result); +int repo_get_merge_bases_many(struct repository *r, + struct commit *one, int n, + struct commit **twos, + struct commit_list **result); /* To be used only when object flags after this call no longer matter */ -struct commit_list *repo_get_merge_bases_many_dirty(struct repository *r, - struct commit *one, int n, - struct commit **twos); +int repo_get_merge_bases_many_dirty(struct repository *r, + struct commit *one, int n, + struct commit **twos, + struct commit_list **result); -struct commit_list *get_octopus_merge_bases(struct commit_list *in); +int get_octopus_merge_bases(struct commit_list *in, struct commit_list **result); int repo_is_descendant_of(struct repository *r, struct commit *commit, @@ -30,7 +33,8 @@ int repo_in_merge_bases(struct repository *r, struct commit *reference); int repo_in_merge_bases_many(struct repository *r, struct commit *commit, - int nr_reference, struct commit **reference); + int nr_reference, struct commit **reference, + int ignore_missing_commits); /* * Takes a list of commits and returns a new list where those @@ -27,6 +27,7 @@ #include "tree.h" #include "hook.h" #include "parse.h" +#include "object-file-convert.h" static struct commit_extra_header *read_commit_extra_header_lines(const char *buf, size_t len, const char **); @@ -1052,7 +1053,7 @@ struct commit *get_fork_point(const char *refname, struct commit *commit) { struct object_id oid; struct rev_collect revs; - struct commit_list *bases; + struct commit_list *bases = NULL; int i; struct commit *ret = NULL; char *full_refname; @@ -1077,8 +1078,9 @@ struct commit *get_fork_point(const char *refname, struct commit *commit) for (i = 0; i < revs.nr; i++) revs.commit[i]->object.flags &= ~TMP_MARK; - bases = repo_get_merge_bases_many(the_repository, commit, revs.nr, - revs.commit); + if (repo_get_merge_bases_many(the_repository, commit, revs.nr, + revs.commit, &bases) < 0) + exit(128); /* * There should be one and only one merge base, when we found @@ -1112,12 +1114,11 @@ static const char *gpg_sig_headers[] = { "gpgsig-sha256", }; -int sign_with_header(struct strbuf *buf, const char *keyid) +int add_header_signature(struct strbuf *buf, struct strbuf *sig, const struct git_hash_algo *algo) { - struct strbuf sig = STRBUF_INIT; int inspos, copypos; const char *eoh; - const char *gpg_sig_header = gpg_sig_headers[hash_algo_by_ptr(the_hash_algo)]; + const char *gpg_sig_header = gpg_sig_headers[hash_algo_by_ptr(algo)]; int gpg_sig_header_len = strlen(gpg_sig_header); /* find the end of the header */ @@ -1127,15 +1128,8 @@ int sign_with_header(struct strbuf *buf, const char *keyid) else inspos = eoh - buf->buf + 1; - if (!keyid || !*keyid) - keyid = get_signing_key(); - if (sign_buffer(buf, &sig, keyid)) { - strbuf_release(&sig); - return -1; - } - - for (copypos = 0; sig.buf[copypos]; ) { - const char *bol = sig.buf + copypos; + for (copypos = 0; sig->buf[copypos]; ) { + const char *bol = sig->buf + copypos; const char *eol = strchrnul(bol, '\n'); int len = (eol - bol) + !!*eol; @@ -1148,11 +1142,17 @@ int sign_with_header(struct strbuf *buf, const char *keyid) inspos += len; copypos += len; } - strbuf_release(&sig); return 0; } - +static int sign_commit_to_strbuf(struct strbuf *sig, struct strbuf *buf, const char *keyid) +{ + if (!keyid || !*keyid) + keyid = get_signing_key(); + if (sign_buffer(buf, sig, keyid)) + return -1; + return 0; +} int parse_signed_commit(const struct commit *commit, struct strbuf *payload, struct strbuf *signature, @@ -1368,6 +1368,39 @@ void append_merge_tag_headers(struct commit_list *parents, } } +static int convert_commit_extra_headers(struct commit_extra_header *orig, + struct commit_extra_header **result) +{ + const struct git_hash_algo *compat = the_repository->compat_hash_algo; + const struct git_hash_algo *algo = the_repository->hash_algo; + struct commit_extra_header *extra = NULL, **tail = &extra; + struct strbuf out = STRBUF_INIT; + while (orig) { + struct commit_extra_header *new; + CALLOC_ARRAY(new, 1); + if (!strcmp(orig->key, "mergetag")) { + if (convert_object_file(&out, algo, compat, + orig->value, orig->len, + OBJ_TAG, 1)) { + free(new); + free_commit_extra_headers(extra); + return -1; + } + new->key = xstrdup("mergetag"); + new->value = strbuf_detach(&out, &new->len); + } else { + new->key = xstrdup(orig->key); + new->len = orig->len; + new->value = xmemdupz(orig->value, orig->len); + } + *tail = new; + tail = &new->next; + orig = orig->next; + } + *result = extra; + return 0; +} + static void add_extra_header(struct strbuf *buffer, struct commit_extra_header *extra) { @@ -1611,70 +1644,169 @@ N_("Warning: commit message did not conform to UTF-8.\n" "You may want to amend it after fixing the message, or set the config\n" "variable i18n.commitEncoding to the encoding your project uses.\n"); -int commit_tree_extended(const char *msg, size_t msg_len, - const struct object_id *tree, - struct commit_list *parents, struct object_id *ret, - const char *author, const char *committer, - const char *sign_commit, - struct commit_extra_header *extra) +static void write_commit_tree(struct strbuf *buffer, const char *msg, size_t msg_len, + const struct object_id *tree, + const struct object_id *parents, size_t parents_len, + const char *author, const char *committer, + struct commit_extra_header *extra) { - int result; int encoding_is_utf8; - struct strbuf buffer; - - assert_oid_type(tree, OBJ_TREE); - - if (memchr(msg, '\0', msg_len)) - return error("a NUL byte in commit log message not allowed."); + size_t i; /* Not having i18n.commitencoding is the same as having utf-8 */ encoding_is_utf8 = is_encoding_utf8(git_commit_encoding); - strbuf_init(&buffer, 8192); /* should avoid reallocs for the headers */ - strbuf_addf(&buffer, "tree %s\n", oid_to_hex(tree)); + strbuf_grow(buffer, 8192); /* should avoid reallocs for the headers */ + strbuf_addf(buffer, "tree %s\n", oid_to_hex(tree)); /* * NOTE! This ordering means that the same exact tree merged with a * different order of parents will be a _different_ changeset even * if everything else stays the same. */ - while (parents) { - struct commit *parent = pop_commit(&parents); - strbuf_addf(&buffer, "parent %s\n", - oid_to_hex(&parent->object.oid)); - } + for (i = 0; i < parents_len; i++) + strbuf_addf(buffer, "parent %s\n", oid_to_hex(&parents[i])); /* Person/date information */ if (!author) author = git_author_info(IDENT_STRICT); - strbuf_addf(&buffer, "author %s\n", author); + strbuf_addf(buffer, "author %s\n", author); if (!committer) committer = git_committer_info(IDENT_STRICT); - strbuf_addf(&buffer, "committer %s\n", committer); + strbuf_addf(buffer, "committer %s\n", committer); if (!encoding_is_utf8) - strbuf_addf(&buffer, "encoding %s\n", git_commit_encoding); + strbuf_addf(buffer, "encoding %s\n", git_commit_encoding); while (extra) { - add_extra_header(&buffer, extra); + add_extra_header(buffer, extra); extra = extra->next; } - strbuf_addch(&buffer, '\n'); + strbuf_addch(buffer, '\n'); /* And add the comment */ - strbuf_add(&buffer, msg, msg_len); + strbuf_add(buffer, msg, msg_len); +} - /* And check the encoding */ - if (encoding_is_utf8 && !verify_utf8(&buffer)) - fprintf(stderr, _(commit_utf8_warn)); +int commit_tree_extended(const char *msg, size_t msg_len, + const struct object_id *tree, + struct commit_list *parents, struct object_id *ret, + const char *author, const char *committer, + const char *sign_commit, + struct commit_extra_header *extra) +{ + struct repository *r = the_repository; + int result = 0; + int encoding_is_utf8; + struct strbuf buffer = STRBUF_INIT, compat_buffer = STRBUF_INIT; + struct strbuf sig = STRBUF_INIT, compat_sig = STRBUF_INIT; + struct object_id *parent_buf = NULL, *compat_oid = NULL; + struct object_id compat_oid_buf; + size_t i, nparents; + + /* Not having i18n.commitencoding is the same as having utf-8 */ + encoding_is_utf8 = is_encoding_utf8(git_commit_encoding); + + assert_oid_type(tree, OBJ_TREE); - if (sign_commit && sign_with_header(&buffer, sign_commit)) { + if (memchr(msg, '\0', msg_len)) + return error("a NUL byte in commit log message not allowed."); + + nparents = commit_list_count(parents); + CALLOC_ARRAY(parent_buf, nparents); + i = 0; + while (parents) { + struct commit *parent = pop_commit(&parents); + oidcpy(&parent_buf[i++], &parent->object.oid); + } + + write_commit_tree(&buffer, msg, msg_len, tree, parent_buf, nparents, author, committer, extra); + if (sign_commit && sign_commit_to_strbuf(&sig, &buffer, sign_commit)) { result = -1; goto out; } + if (r->compat_hash_algo) { + struct commit_extra_header *compat_extra = NULL; + struct object_id mapped_tree; + struct object_id *mapped_parents; + + CALLOC_ARRAY(mapped_parents, nparents); - result = write_object_file(buffer.buf, buffer.len, OBJ_COMMIT, ret); + if (repo_oid_to_algop(r, tree, r->compat_hash_algo, &mapped_tree)) { + result = -1; + free(mapped_parents); + goto out; + } + for (i = 0; i < nparents; i++) + if (repo_oid_to_algop(r, &parent_buf[i], r->compat_hash_algo, &mapped_parents[i])) { + result = -1; + free(mapped_parents); + goto out; + } + if (convert_commit_extra_headers(extra, &compat_extra)) { + result = -1; + free(mapped_parents); + goto out; + } + write_commit_tree(&compat_buffer, msg, msg_len, &mapped_tree, + mapped_parents, nparents, author, committer, compat_extra); + free_commit_extra_headers(compat_extra); + free(mapped_parents); + + if (sign_commit && sign_commit_to_strbuf(&compat_sig, &compat_buffer, sign_commit)) { + result = -1; + goto out; + } + } + + if (sign_commit) { + struct sig_pairs { + struct strbuf *sig; + const struct git_hash_algo *algo; + } bufs [2] = { + { &compat_sig, r->compat_hash_algo }, + { &sig, r->hash_algo }, + }; + int i; + + /* + * We write algorithms in the order they were implemented in + * Git to produce a stable hash when multiple algorithms are + * used. + */ + if (r->compat_hash_algo && hash_algo_by_ptr(bufs[0].algo) > hash_algo_by_ptr(bufs[1].algo)) + SWAP(bufs[0], bufs[1]); + + /* + * We traverse each algorithm in order, and apply the signature + * to each buffer. + */ + for (i = 0; i < ARRAY_SIZE(bufs); i++) { + if (!bufs[i].algo) + continue; + add_header_signature(&buffer, bufs[i].sig, bufs[i].algo); + if (r->compat_hash_algo) + add_header_signature(&compat_buffer, bufs[i].sig, bufs[i].algo); + } + } + + /* And check the encoding. */ + if (encoding_is_utf8 && (!verify_utf8(&buffer) || !verify_utf8(&compat_buffer))) + fprintf(stderr, _(commit_utf8_warn)); + + if (r->compat_hash_algo) { + hash_object_file(r->compat_hash_algo, compat_buffer.buf, compat_buffer.len, + OBJ_COMMIT, &compat_oid_buf); + compat_oid = &compat_oid_buf; + } + + result = write_object_file_flags(buffer.buf, buffer.len, OBJ_COMMIT, + ret, compat_oid, 0); out: + free(parent_buf); strbuf_release(&buffer); + strbuf_release(&compat_buffer); + strbuf_release(&sig); + strbuf_release(&compat_sig); return result; } @@ -370,5 +370,6 @@ int parse_buffer_signed_by_header(const char *buffer, struct strbuf *payload, struct strbuf *signature, const struct git_hash_algo *algop); +int add_header_signature(struct strbuf *buf, struct strbuf *sig, const struct git_hash_algo *algo); #endif /* COMMIT_H */ diff --git a/compat/compiler.h b/compat/compiler.h index 10dbb65937..e9ad9db84f 100644 --- a/compat/compiler.h +++ b/compat/compiler.h @@ -1,7 +1,6 @@ #ifndef COMPILER_H #define COMPILER_H -#include "git-compat-util.h" #include "strbuf.h" #ifdef __GLIBC__ diff --git a/compat/disk.h b/compat/disk.h index 6c979c27d8..23bc1bef86 100644 --- a/compat/disk.h +++ b/compat/disk.h @@ -1,7 +1,6 @@ #ifndef COMPAT_DISK_H #define COMPAT_DISK_H -#include "git-compat-util.h" #include "abspath.h" #include "gettext.h" diff --git a/config.mak.uname b/config.mak.uname index dacc95172d..d0dcca2ec5 100644 --- a/config.mak.uname +++ b/config.mak.uname @@ -638,6 +638,18 @@ ifeq ($(uname_S),NONSTOP_KERNEL) SANE_TOOL_PATH = /usr/coreutils/bin:/usr/local/bin SHELL_PATH = /usr/coreutils/bin/bash endif +ifeq ($(uname_S),OS/390) + NO_SYS_POLL_H = YesPlease + NO_STRCASESTR = YesPlease + NO_REGEX = YesPlease + NO_MMAP = YesPlease + NO_NSEC = YesPlease + NO_STRLCPY = YesPlease + NO_MEMMEM = YesPlease + NO_GECOS_IN_PWENT = YesPlease + HAVE_STRINGS_H = YesPlease + NEEDS_MODE_TRANSLATION = YesPlease +endif ifeq ($(uname_S),MINGW) ifeq ($(shell expr "$(uname_R)" : '1\.'),2) $(error "Building with MSys is no longer supported") diff --git a/contrib/coccinelle/xstrncmpz.cocci b/contrib/coccinelle/xstrncmpz.cocci new file mode 100644 index 0000000000..ccb39e2bc0 --- /dev/null +++ b/contrib/coccinelle/xstrncmpz.cocci @@ -0,0 +1,28 @@ +@@ +expression S, T, L; +@@ +( +- strncmp(S, T, L) || S[L] ++ !!xstrncmpz(S, T, L) +| +- strncmp(S, T, L) || S[L] != '\0' ++ !!xstrncmpz(S, T, L) +| +- strncmp(S, T, L) || T[L] ++ !!xstrncmpz(T, S, L) +| +- strncmp(S, T, L) || T[L] != '\0' ++ !!xstrncmpz(T, S, L) +| +- !strncmp(S, T, L) && !S[L] ++ !xstrncmpz(S, T, L) +| +- !strncmp(S, T, L) && S[L] == '\0' ++ !xstrncmpz(S, T, L) +| +- !strncmp(S, T, L) && !T[L] ++ !xstrncmpz(T, S, L) +| +- !strncmp(S, T, L) && T[L] == '\0' ++ !xstrncmpz(T, S, L) +) diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash index 444b3efa63..75193ded4b 100644 --- a/contrib/completion/git-completion.bash +++ b/contrib/completion/git-completion.bash @@ -454,16 +454,18 @@ fi # This function is equivalent to # -# __gitcomp "$(git xxx --git-completion-helper) ..." +# ___git_resolved_builtins=$(git xxx --git-completion-helper) # -# except that the output is cached. Accept 1-3 arguments: +# except that the result of the execution is cached. +# +# Accept 1-3 arguments: # 1: the git command to execute, this is also the cache key +# (use "_" when the command contains spaces, e.g. "remote add" +# becomes "remote_add") # 2: extra options to be added on top (e.g. negative forms) # 3: options to be excluded -__gitcomp_builtin () +__git_resolve_builtins () { - # spaces must be replaced with underscore for multi-word - # commands, e.g. "git remote add" becomes remote_add. local cmd="$1" local incl="${2-}" local excl="${3-}" @@ -489,7 +491,24 @@ __gitcomp_builtin () eval "$var=\"$options\"" fi - __gitcomp "$options" + ___git_resolved_builtins="$options" +} + +# This function is equivalent to +# +# __gitcomp "$(git xxx --git-completion-helper) ..." +# +# except that the output is cached. Accept 1-3 arguments: +# 1: the git command to execute, this is also the cache key +# (use "_" when the command contains spaces, e.g. "remote add" +# becomes "remote_add") +# 2: extra options to be added on top (e.g. negative forms) +# 3: options to be excluded +__gitcomp_builtin () +{ + __git_resolve_builtins "$1" "$2" "$3" + + __gitcomp "$___git_resolved_builtins" } # Variation of __gitcomp_nl () that appends to the existing list of @@ -556,6 +575,26 @@ __gitcomp_file () true } +# Find the current subcommand for commands that follow the syntax: +# +# git <command> <subcommand> +# +# 1: List of possible subcommands. +# 2: Optional subcommand to return when none is found. +__git_find_subcommand () +{ + local subcommand subcommands="$1" default_subcommand="$2" + + for subcommand in $subcommands; do + if [ "$subcommand" = "${words[__git_cmd_idx+1]}" ]; then + echo $subcommand + return + fi + done + + echo $default_subcommand +} + # Execute 'git ls-files', unless the --committable option is specified, in # which case it runs 'git diff-index' to find out the files that can be # committed. It return paths relative to the directory specified in the first @@ -2471,13 +2510,30 @@ _git_rebase () _git_reflog () { - local subcommands="show delete expire" - local subcommand="$(__git_find_on_cmdline "$subcommands")" + local subcommands subcommand - if [ -z "$subcommand" ]; then - __gitcomp "$subcommands" - else - __git_complete_refs + __git_resolve_builtins "reflog" + + subcommands="$___git_resolved_builtins" + subcommand="$(__git_find_subcommand "$subcommands" "show")" + + case "$subcommand,$cur" in + show,--*) + __gitcomp " + $__git_log_common_options + " + return + ;; + $subcommand,--*) + __gitcomp_builtin "reflog_$subcommand" + return + ;; + esac + + __git_complete_refs + + if [ $((cword - __git_cmd_idx)) -eq 1 ]; then + __gitcompappend "$subcommands" "" "$cur" " " fi } @@ -2673,7 +2729,8 @@ __git_compute_first_level_config_vars_for_section () __git_compute_config_vars local this_section="__git_first_level_config_vars_for_section_${section}" test -n "${!this_section}" || - printf -v "__git_first_level_config_vars_for_section_${section}" %s "$(echo "$__git_config_vars" | grep -E "^${section}\.[a-z]" | awk -F. '{print $2}')" + printf -v "__git_first_level_config_vars_for_section_${section}" %s \ + "$(echo "$__git_config_vars" | awk -F. "/^${section}\.[a-z]/ { print \$2 }")" } __git_compute_second_level_config_vars_for_section () @@ -2682,7 +2739,8 @@ __git_compute_second_level_config_vars_for_section () __git_compute_config_vars_all local this_section="__git_second_level_config_vars_for_section_${section}" test -n "${!this_section}" || - printf -v "__git_second_level_config_vars_for_section_${section}" %s "$(echo "$__git_config_vars_all" | grep -E "^${section}\.<" | awk -F. '{print $3}')" + printf -v "__git_second_level_config_vars_for_section_${section}" %s \ + "$(echo "$__git_config_vars_all" | awk -F. "/^${section}\.</ { print \$3 }")" } __git_config_sections= @@ -3571,7 +3629,7 @@ __git_complete_worktree_paths () # Generate completion reply from worktree list skipping the first # entry: it's the path of the main worktree, which can't be moved, # removed, locked, etc. - __gitcomp_nl "$(git worktree list --porcelain | + __gitcomp_nl "$(__git worktree list --porcelain | sed -n -e '2,$ s/^worktree //p')" } diff --git a/contrib/coverage-diff.sh b/contrib/coverage-diff.sh index 4ec419f900..6ce9603568 100755 --- a/contrib/coverage-diff.sh +++ b/contrib/coverage-diff.sh @@ -74,8 +74,7 @@ do sort >uncovered_lines.txt comm -12 uncovered_lines.txt new_lines.txt | - sed -e 's/$/\)/' | - sed -e 's/^/ /' >uncovered_new_lines.txt + sed -e 's/$/\)/' -e 's/^/ /' >uncovered_new_lines.txt grep -q '[^[:space:]]' <uncovered_new_lines.txt && echo $file >>coverage-data.txt && @@ -91,11 +90,7 @@ cat coverage-data.txt echo "Commits introducing uncovered code:" -commit_list=$(cat coverage-data.txt | - grep -E '^[0-9a-f]{7,} ' | - awk '{print $1;}' | - sort | - uniq) +commit_list=$(awk '/^[0-9a-f]{7,}/ { print $1 }' coverage-data.txt | sort -u) ( for commit in $commit_list diff --git a/contrib/credential/libsecret/git-credential-libsecret.c b/contrib/credential/libsecret/git-credential-libsecret.c index 215a81d8ba..90034d0cf1 100644 --- a/contrib/credential/libsecret/git-credential-libsecret.c +++ b/contrib/credential/libsecret/git-credential-libsecret.c @@ -164,6 +164,9 @@ static int keyring_get(struct credential *c) if (g_strv_length(parts) >= 1) { g_free(c->password); c->password = g_strdup(parts[0]); + } else { + g_free(c->password); + c->password = g_strdup(""); } for (int i = 1; i < g_strv_length(parts); i++) { if (g_str_has_prefix(parts[i], "password_expiry_utc=")) { diff --git a/contrib/subtree/t/t7900-subtree.sh b/contrib/subtree/t/t7900-subtree.sh index ca4df5be83..c3bd2a58b9 100755 --- a/contrib/subtree/t/t7900-subtree.sh +++ b/contrib/subtree/t/t7900-subtree.sh @@ -63,7 +63,7 @@ test_create_pre2_32_repo () { git -C "$1" log -1 --format=%B HEAD^2 >msg && test_commit -C "$1-sub" --annotate sub2 && git clone --no-local "$1" "$1-clone" && - new_commit=$(cat msg | sed -e "s/$commit/$tag/" | git -C "$1-clone" commit-tree HEAD^2^{tree}) && + new_commit=$(sed -e "s/$commit/$tag/" msg | git -C "$1-clone" commit-tree HEAD^2^{tree}) && git -C "$1-clone" replace HEAD^2 $new_commit } diff --git a/contrib/workdir/git-new-workdir b/contrib/workdir/git-new-workdir index 888c34a521..989197aace 100755 --- a/contrib/workdir/git-new-workdir +++ b/contrib/workdir/git-new-workdir @@ -79,7 +79,7 @@ trap cleanup $siglist # create the links to the original repo. explicitly exclude index, HEAD and # logs/HEAD from the list since they are purely related to the current working # directory, and should not be shared. -for x in config refs logs/refs objects info hooks packed-refs remotes rr-cache svn +for x in config refs logs/refs objects info hooks packed-refs remotes rr-cache svn reftable do # create a containing directory if needed case $x in @@ -1028,7 +1028,7 @@ static int read_convert_config(const char *var, const char *value, if (parse_config_key(var, "filter", &name, &namelen, &key) < 0 || !name) return 0; for (drv = user_convert; drv; drv = drv->next) - if (!strncmp(drv->name, name, namelen) && !drv->name[namelen]) + if (!xstrncmpz(drv->name, name, namelen)) break; if (!drv) { CALLOC_ARRAY(drv, 1); @@ -342,14 +342,18 @@ const char *show_date(timestamp_t time, int tz, const struct date_mode *mode) tm->tm_hour, tm->tm_min, tm->tm_sec, tz); else if (mode->type == DATE_ISO8601_STRICT) { - char sign = (tz >= 0) ? '+' : '-'; - tz = abs(tz); - strbuf_addf(&timebuf, "%04d-%02d-%02dT%02d:%02d:%02d%c%02d:%02d", + strbuf_addf(&timebuf, "%04d-%02d-%02dT%02d:%02d:%02d", tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, - tm->tm_hour, tm->tm_min, tm->tm_sec, - sign, tz / 100, tz % 100); + tm->tm_hour, tm->tm_min, tm->tm_sec); + if (tz == 0) { + strbuf_addch(&timebuf, 'Z'); + } else { + strbuf_addch(&timebuf, tz >= 0 ? '+' : '-'); + tz = abs(tz); + strbuf_addf(&timebuf, "%02d:%02d", tz / 100, tz % 100); + } } else if (mode->type == DATE_RFC2822) strbuf_addf(&timebuf, "%.3s, %d %.3s %d %02d:%02d:%02d %+05d", weekday_names[tm->tm_wday], tm->tm_mday, diff --git a/delta-islands.c b/delta-islands.c index ee2318d45a..f7e079425f 100644 --- a/delta-islands.c +++ b/delta-islands.c @@ -284,7 +284,7 @@ void resolve_tree_islands(struct repository *r, if (!tree || parse_tree(tree) < 0) die(_("bad tree object %s"), oid_to_hex(&ent->idx.oid)); - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) { struct object *obj; diff --git a/diff-lib.c b/diff-lib.c index 6c8df04273..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); } @@ -570,7 +570,7 @@ void diff_get_merge_base(const struct rev_info *revs, struct object_id *mb) { int i; struct commit *mb_child[2] = {0}; - struct commit_list *merge_bases; + struct commit_list *merge_bases = NULL; for (i = 0; i < revs->pending.nr; i++) { struct object *obj = revs->pending.objects[i].item; @@ -597,7 +597,8 @@ void diff_get_merge_base(const struct rev_info *revs, struct object_id *mb) mb_child[1] = lookup_commit_reference(the_repository, &oid); } - merge_bases = repo_get_merge_bases(the_repository, mb_child[0], mb_child[1]); + if (repo_get_merge_bases(the_repository, mb_child[0], mb_child[1], &merge_bases) < 0) + exit(128); if (!merge_bases) die(_("no merge base found")); if (merge_bases->next) @@ -62,6 +62,8 @@ static const char *diff_order_file_cfg; int diff_auto_refresh_index = 1; static int diff_mnemonic_prefix; static int diff_no_prefix; +static const char *diff_src_prefix = "a/"; +static const char *diff_dst_prefix = "b/"; static int diff_relative; static int diff_stat_name_width; static int diff_stat_graph_width; @@ -408,6 +410,12 @@ int git_diff_ui_config(const char *var, const char *value, diff_no_prefix = git_config_bool(var, value); return 0; } + if (!strcmp(var, "diff.srcprefix")) { + return git_config_string(&diff_src_prefix, var, value); + } + if (!strcmp(var, "diff.dstprefix")) { + return git_config_string(&diff_dst_prefix, var, value); + } if (!strcmp(var, "diff.relative")) { diff_relative = git_config_bool(var, value); return 0; @@ -3425,8 +3433,8 @@ void diff_set_noprefix(struct diff_options *options) void diff_set_default_prefix(struct diff_options *options) { - options->a_prefix = "a/"; - options->b_prefix = "b/"; + options->a_prefix = diff_src_prefix; + options->b_prefix = diff_dst_prefix; } struct userdiff_driver *get_textconv(struct repository *r, @@ -5362,6 +5370,8 @@ static int diff_opt_default_prefix(const struct option *opt, BUG_ON_OPT_NEG(unset); BUG_ON_OPT_ARG(optarg); + diff_src_prefix = "a/"; + diff_dst_prefix = "b/"; diff_set_default_prefix(options); return 0; } diff --git a/dir-iterator.c b/dir-iterator.c index 278b04243a..de619846f2 100644 --- a/dir-iterator.c +++ b/dir-iterator.c @@ -2,11 +2,20 @@ #include "dir.h" #include "iterator.h" #include "dir-iterator.h" +#include "string-list.h" struct dir_iterator_level { DIR *dir; /* + * The directory entries of the current level. This list will only be + * populated when the iterator is ordered. In that case, `dir` will be + * set to `NULL`. + */ + struct string_list entries; + size_t entries_idx; + + /* * The length of the directory part of path at this level * (including a trailing '/'): */ @@ -43,6 +52,31 @@ struct dir_iterator_int { unsigned int flags; }; +static int next_directory_entry(DIR *dir, const char *path, + struct dirent **out) +{ + struct dirent *de; + +repeat: + errno = 0; + de = readdir(dir); + if (!de) { + if (errno) { + warning_errno("error reading directory '%s'", + path); + return -1; + } + + return 1; + } + + if (is_dot_or_dotdot(de->d_name)) + goto repeat; + + *out = de; + return 0; +} + /* * Push a level in the iter stack and initialize it with information from * the directory pointed by iter->base->path. It is assumed that this @@ -72,6 +106,35 @@ static int push_level(struct dir_iterator_int *iter) return -1; } + string_list_init_dup(&level->entries); + level->entries_idx = 0; + + /* + * When the iterator is sorted we read and sort all directory entries + * directly. + */ + if (iter->flags & DIR_ITERATOR_SORTED) { + struct dirent *de; + + while (1) { + int ret = next_directory_entry(level->dir, iter->base.path.buf, &de); + if (ret < 0) { + if (errno != ENOENT && + iter->flags & DIR_ITERATOR_PEDANTIC) + return -1; + continue; + } else if (ret > 0) { + break; + } + + string_list_append(&level->entries, de->d_name); + } + string_list_sort(&level->entries); + + closedir(level->dir); + level->dir = NULL; + } + return 0; } @@ -88,21 +151,22 @@ static int pop_level(struct dir_iterator_int *iter) warning_errno("error closing directory '%s'", iter->base.path.buf); level->dir = NULL; + string_list_clear(&level->entries, 0); return --iter->levels_nr; } /* * Populate iter->base with the necessary information on the next iteration - * entry, represented by the given dirent de. Return 0 on success and -1 + * entry, represented by the given name. Return 0 on success and -1 * otherwise, setting errno accordingly. */ static int prepare_next_entry_data(struct dir_iterator_int *iter, - struct dirent *de) + const char *name) { int err, saved_errno; - strbuf_addstr(&iter->base.path, de->d_name); + strbuf_addstr(&iter->base.path, name); /* * We have to reset these because the path strbuf might have * been realloc()ed at the previous strbuf_addstr(). @@ -139,27 +203,34 @@ int dir_iterator_advance(struct dir_iterator *dir_iterator) struct dirent *de; struct dir_iterator_level *level = &iter->levels[iter->levels_nr - 1]; + const char *name; strbuf_setlen(&iter->base.path, level->prefix_len); - errno = 0; - de = readdir(level->dir); - if (!de) { - if (errno) { - warning_errno("error reading directory '%s'", - iter->base.path.buf); + if (level->dir) { + int ret = next_directory_entry(level->dir, iter->base.path.buf, &de); + if (ret < 0) { if (iter->flags & DIR_ITERATOR_PEDANTIC) goto error_out; - } else if (pop_level(iter) == 0) { - return dir_iterator_abort(dir_iterator); + continue; + } else if (ret > 0) { + if (pop_level(iter) == 0) + return dir_iterator_abort(dir_iterator); + continue; } - continue; - } - if (is_dot_or_dotdot(de->d_name)) - continue; + name = de->d_name; + } else { + if (level->entries_idx >= level->entries.nr) { + if (pop_level(iter) == 0) + return dir_iterator_abort(dir_iterator); + continue; + } - if (prepare_next_entry_data(iter, de)) { + name = level->entries.items[level->entries_idx++].string; + } + + if (prepare_next_entry_data(iter, name)) { if (errno != ENOENT && iter->flags & DIR_ITERATOR_PEDANTIC) goto error_out; continue; @@ -188,6 +259,8 @@ int dir_iterator_abort(struct dir_iterator *dir_iterator) warning_errno("error closing directory '%s'", iter->base.path.buf); } + + string_list_clear(&level->entries, 0); } free(iter->levels); diff --git a/dir-iterator.h b/dir-iterator.h index 479e1ec784..6d438809b6 100644 --- a/dir-iterator.h +++ b/dir-iterator.h @@ -54,8 +54,11 @@ * and ITER_ERROR is returned immediately. In both cases, a meaningful * warning is emitted. Note: ENOENT errors are always ignored so that * the API users may remove files during iteration. + * + * - DIR_ITERATOR_SORTED: sort directory entries alphabetically. */ #define DIR_ITERATOR_PEDANTIC (1 << 0) +#define DIR_ITERATOR_SORTED (1 << 1) struct dir_iterator { /* The current path: */ @@ -3918,6 +3918,26 @@ void untracked_cache_invalidate_path(struct index_state *istate, path, strlen(path)); } +void untracked_cache_invalidate_trimmed_path(struct index_state *istate, + const char *path, + int safe_path) +{ + size_t len = strlen(path); + + if (!len) + BUG("untracked_cache_invalidate_trimmed_path given zero length path"); + + if (path[len - 1] != '/') { + untracked_cache_invalidate_path(istate, path, safe_path); + } else { + struct strbuf tmp = STRBUF_INIT; + + strbuf_add(&tmp, path, len - 1); + untracked_cache_invalidate_path(istate, tmp.buf, safe_path); + strbuf_release(&tmp); + } +} + void untracked_cache_remove_from_index(struct index_state *istate, const char *path) { @@ -576,6 +576,13 @@ int cmp_dir_entry(const void *p1, const void *p2); int check_dir_entry_contains(const struct dir_entry *out, const struct dir_entry *in); void untracked_cache_invalidate_path(struct index_state *, const char *, int safe_path); +/* + * Invalidate the untracked-cache for this path, but first strip + * off a trailing slash, if present. + */ +void untracked_cache_invalidate_trimmed_path(struct index_state *, + const char *path, + int safe_path); void untracked_cache_remove_from_index(struct index_state *, const char *); void untracked_cache_add_to_index(struct index_state *, const char *); diff --git a/environment.c b/environment.c index 90632a39bc..60706ea398 100644 --- a/environment.c +++ b/environment.c @@ -207,6 +207,9 @@ void setup_git_env(const char *git_dir) shallow_file = getenv(GIT_SHALLOW_FILE_ENVIRONMENT); if (shallow_file) set_alternate_shallow_file(the_repository, shallow_file, 0); + + if (git_env_bool(NO_LAZY_FETCH_ENVIRONMENT, 0)) + fetch_if_missing = 0; } int is_bare_repository(void) diff --git a/environment.h b/environment.h index e5351c9dd9..5cec19cecc 100644 --- a/environment.h +++ b/environment.h @@ -36,6 +36,7 @@ const char *getenv_safe(struct strvec *argv, const char *name); #define CEILING_DIRECTORIES_ENVIRONMENT "GIT_CEILING_DIRECTORIES" #define NO_REPLACE_OBJECTS_ENVIRONMENT "GIT_NO_REPLACE_OBJECTS" #define GIT_REPLACE_REF_BASE_ENVIRONMENT "GIT_REPLACE_REF_BASE" +#define NO_LAZY_FETCH_ENVIRONMENT "GIT_NO_LAZY_FETCH" #define GITATTRIBUTES_FILE ".gitattributes" #define INFOATTRIBUTES_FILE "info/attributes" #define ATTRIBUTE_MACRO_PREFIX "[attr]" @@ -327,7 +327,8 @@ static int fsck_walk_tree(struct tree *tree, void *data, struct fsck_options *op return -1; name = fsck_get_object_name(options, &tree->object.oid); - if (init_tree_desc_gently(&desc, tree->buffer, tree->size, 0)) + if (init_tree_desc_gently(&desc, &tree->object.oid, + tree->buffer, tree->size, 0)) return -1; while (tree_entry_gently(&desc, &entry)) { struct object *obj; @@ -598,7 +599,8 @@ static int fsck_tree(const struct object_id *tree_oid, const char *o_name; struct name_stack df_dup_candidates = { NULL }; - if (init_tree_desc_gently(&desc, buffer, size, TREE_DESC_RAW_MODES)) { + if (init_tree_desc_gently(&desc, tree_oid, buffer, size, + TREE_DESC_RAW_MODES)) { retval += report(options, tree_oid, OBJ_TREE, FSCK_MSG_BAD_TREE, "cannot be parsed as a tree"); diff --git a/fsmonitor.c b/fsmonitor.c index f670c50937..2b17d60bbb 100644 --- a/fsmonitor.c +++ b/fsmonitor.c @@ -5,6 +5,7 @@ #include "ewah/ewok.h" #include "fsmonitor.h" #include "fsmonitor-ipc.h" +#include "name-hash.h" #include "run-command.h" #include "strbuf.h" #include "trace2.h" @@ -183,79 +184,282 @@ static int query_fsmonitor_hook(struct repository *r, return result; } -static void fsmonitor_refresh_callback(struct index_state *istate, char *name) +/* + * Invalidate the FSM bit on this CE. This is like mark_fsmonitor_invalid() + * but we've already handled the untracked-cache, so let's not repeat that + * work. This also lets us have a different trace message so that we can + * see everything that was done as part of the refresh-callback. + */ +static void invalidate_ce_fsm(struct cache_entry *ce) { - int i, len = strlen(name); - int pos = index_name_pos(istate, name, len); + if (ce->ce_flags & CE_FSMONITOR_VALID) { + trace_printf_key(&trace_fsmonitor, + "fsmonitor_refresh_callback INV: '%s'", + ce->name); + ce->ce_flags &= ~CE_FSMONITOR_VALID; + } +} + +static size_t handle_path_with_trailing_slash( + struct index_state *istate, const char *name, int pos); + +/* + * Use the name-hash to do a case-insensitive cache-entry lookup with + * the pathname and invalidate the cache-entry. + * + * Returns the number of cache-entries that we invalidated. + */ +static size_t handle_using_name_hash_icase( + struct index_state *istate, const char *name) +{ + struct cache_entry *ce = NULL; + + ce = index_file_exists(istate, name, strlen(name), 1); + if (!ce) + return 0; + /* + * A case-insensitive search in the name-hash using the + * observed pathname found a cache-entry, so the observed path + * is case-incorrect. Invalidate the cache-entry and use the + * correct spelling from the cache-entry to invalidate the + * untracked-cache. Since we now have sparse-directories in + * the index, the observed pathname may represent a regular + * file or a sparse-index directory. + * + * Note that we should not have seen FSEvents for a + * sparse-index directory, but we handle it just in case. + * + * Either way, we know that there are not any cache-entries for + * children inside the cone of the directory, so we don't need to + * do the usual scan. + */ trace_printf_key(&trace_fsmonitor, - "fsmonitor_refresh_callback '%s' (pos %d)", - name, pos); + "fsmonitor_refresh_callback MAP: '%s' '%s'", + name, ce->name); - if (name[len - 1] == '/') { - /* - * The daemon can decorate directory events, such as - * moves or renames, with a trailing slash if the OS - * FS Event contains sufficient information, such as - * MacOS. - * - * Use this to invalidate the entire cone under that - * directory. - * - * We do not expect an exact match because the index - * does not normally contain directory entries, so we - * start at the insertion point and scan. - */ - if (pos < 0) - pos = -pos - 1; + /* + * NEEDSWORK: We used the name-hash to find the correct + * case-spelling of the pathname in the cache-entry[], so + * technically this is a tracked file or a sparse-directory. + * It should not have any entries in the untracked-cache, so + * we should not need to use the case-corrected spelling to + * invalidate the the untracked-cache. So we may not need to + * do this. For now, I'm going to be conservative and always + * do it; we can revisit this later. + */ + untracked_cache_invalidate_trimmed_path(istate, ce->name, 0); - /* Mark all entries for the folder invalid */ - for (i = pos; i < istate->cache_nr; i++) { - if (!starts_with(istate->cache[i]->name, name)) - break; - istate->cache[i]->ce_flags &= ~CE_FSMONITOR_VALID; - } + invalidate_ce_fsm(ce); + return 1; +} + +/* + * Use the dir-name-hash to find the correct-case spelling of the + * directory. Use the canonical spelling to invalidate all of the + * cache-entries within the matching cone. + * + * Returns the number of cache-entries that we invalidated. + */ +static size_t handle_using_dir_name_hash_icase( + struct index_state *istate, const char *name) +{ + struct strbuf canonical_path = STRBUF_INIT; + int pos; + size_t len = strlen(name); + size_t nr_in_cone; + + if (name[len - 1] == '/') + len--; + + if (!index_dir_find(istate, name, len, &canonical_path)) + return 0; /* name is untracked */ + if (!memcmp(name, canonical_path.buf, canonical_path.len)) { + strbuf_release(&canonical_path); /* - * We need to remove the traling "/" from the path - * for the untracked cache. + * NEEDSWORK: Our caller already tried an exact match + * and failed to find one. They called us to do an + * ICASE match, so we should never get an exact match, + * so we could promote this to a BUG() here if we + * wanted to. It doesn't hurt anything to just return + * 0 and go on because we should never get here. Or we + * could just get rid of the memcmp() and this "if" + * clause completely. */ - name[len - 1] = '\0'; - } else if (pos >= 0) { + BUG("handle_using_dir_name_hash_icase(%s) did not exact match", + name); + } + + trace_printf_key(&trace_fsmonitor, + "fsmonitor_refresh_callback MAP: '%s' '%s'", + name, canonical_path.buf); + + /* + * The dir-name-hash only tells us the corrected spelling of + * the prefix. We have to use this canonical path to do a + * lookup in the cache-entry array so that we repeat the + * original search using the case-corrected spelling. + */ + strbuf_addch(&canonical_path, '/'); + pos = index_name_pos(istate, canonical_path.buf, + canonical_path.len); + nr_in_cone = handle_path_with_trailing_slash( + istate, canonical_path.buf, pos); + strbuf_release(&canonical_path); + return nr_in_cone; +} + +/* + * The daemon sent an observed pathname without a trailing slash. + * (This is the normal case.) We do not know if it is a tracked or + * untracked file, a sparse-directory, or a populated directory (on a + * platform such as Windows where FSEvents are not qualified). + * + * The pathname contains the observed case reported by the FS. We + * do not know it is case-correct or -incorrect. + * + * Assume it is case-correct and try an exact match. + * + * Return the number of cache-entries that we invalidated. + */ +static size_t handle_path_without_trailing_slash( + struct index_state *istate, const char *name, int pos) +{ + /* + * Mark the untracked cache dirty for this path (regardless of + * whether or not we find an exact match for it in the index). + * Since the path is unqualified (no trailing slash hint in the + * FSEvent), it may refer to a file or directory. So we should + * not assume one or the other and should always let the untracked + * cache decide what needs to invalidated. + */ + untracked_cache_invalidate_trimmed_path(istate, name, 0); + + if (pos >= 0) { /* - * We have an exact match for this path and can just - * invalidate it. + * An exact match on a tracked file. We assume that we + * do not need to scan forward for a sparse-directory + * cache-entry with the same pathname, nor for a cone + * at that directory. (That is, assume no D/F conflicts.) */ - istate->cache[pos]->ce_flags &= ~CE_FSMONITOR_VALID; + invalidate_ce_fsm(istate->cache[pos]); + return 1; } else { + size_t nr_in_cone; + struct strbuf work_path = STRBUF_INIT; + /* - * The path is not a tracked file -or- it is a - * directory event on a platform that cannot - * distinguish between file and directory events in - * the event handler, such as Windows. - * - * Scan as if it is a directory and invalidate the - * cone under it. (But remember to ignore items - * between "name" and "name/", such as "name-" and - * "name.". + * The negative "pos" gives us the suggested insertion + * point for the pathname (without the trailing slash). + * We need to see if there is a directory with that + * prefix, but there can be lots of pathnames between + * "foo" and "foo/" like "foo-" or "foo-bar", so we + * don't want to do our own scan. */ + strbuf_add(&work_path, name, strlen(name)); + strbuf_addch(&work_path, '/'); + pos = index_name_pos(istate, work_path.buf, work_path.len); + nr_in_cone = handle_path_with_trailing_slash( + istate, work_path.buf, pos); + strbuf_release(&work_path); + return nr_in_cone; + } +} + +/* + * The daemon can decorate directory events, such as a move or rename, + * by adding a trailing slash to the observed name. Use this to + * explicitly invalidate the entire cone under that directory. + * + * The daemon can only reliably do that if the OS FSEvent contains + * sufficient information in the event. + * + * macOS FSEvents have enough information. + * + * Other platforms may or may not be able to do it (and it might + * depend on the type of event (for example, a daemon could lstat() an + * observed pathname after a rename, but not after a delete)). + * + * If we find an exact match in the index for a path with a trailing + * slash, it means that we matched a sparse-index directory in a + * cone-mode sparse-checkout (since that's the only time we have + * directories in the index). We should never see this in practice + * (because sparse directories should not be present and therefore + * not generating FS events). Either way, we can treat them in the + * same way and just invalidate the cache-entry and the untracked + * cache (and in this case, the forward cache-entry scan won't find + * anything and it doesn't hurt to let it run). + * + * Return the number of cache-entries that we invalidated. We will + * use this later to determine if we need to attempt a second + * case-insensitive search on case-insensitive file systems. That is, + * if the search using the observed-case in the FSEvent yields any + * results, we assume the prefix is case-correct. If there are no + * matches, we still don't know if the observed path is simply + * untracked or case-incorrect. + */ +static size_t handle_path_with_trailing_slash( + struct index_state *istate, const char *name, int pos) +{ + int i; + size_t nr_in_cone = 0; + + /* + * Mark the untracked cache dirty for this directory path + * (regardless of whether or not we find an exact match for it + * in the index or find it to be proper prefix of one or more + * files in the index), since the FSEvent is hinting that + * there may be changes on or within the directory. + */ + untracked_cache_invalidate_trimmed_path(istate, name, 0); + + if (pos < 0) pos = -pos - 1; - for (i = pos; i < istate->cache_nr; i++) { - if (!starts_with(istate->cache[i]->name, name)) - break; - if ((unsigned char)istate->cache[i]->name[len] > '/') - break; - if (istate->cache[i]->name[len] == '/') - istate->cache[i]->ce_flags &= ~CE_FSMONITOR_VALID; - } + /* Mark all entries for the folder invalid */ + for (i = pos; i < istate->cache_nr; i++) { + if (!starts_with(istate->cache[i]->name, name)) + break; + invalidate_ce_fsm(istate->cache[i]); + nr_in_cone++; } + return nr_in_cone; +} + +static void fsmonitor_refresh_callback(struct index_state *istate, char *name) +{ + int len = strlen(name); + int pos = index_name_pos(istate, name, len); + size_t nr_in_cone; + + trace_printf_key(&trace_fsmonitor, + "fsmonitor_refresh_callback '%s' (pos %d)", + name, pos); + + if (name[len - 1] == '/') + nr_in_cone = handle_path_with_trailing_slash(istate, name, pos); + else + nr_in_cone = handle_path_without_trailing_slash(istate, name, pos); + /* - * Mark the untracked cache dirty even if it wasn't found in the index - * as it could be a new untracked file. + * If we did not find an exact match for this pathname or any + * cache-entries with this directory prefix and we're on a + * case-insensitive file system, try again using the name-hash + * and dir-name-hash. */ - untracked_cache_invalidate_path(istate, name, 0); + if (!nr_in_cone && ignore_case) { + nr_in_cone = handle_using_name_hash_icase(istate, name); + if (!nr_in_cone) + nr_in_cone = handle_using_dir_name_hash_icase( + istate, name); + } + + if (nr_in_cone) + trace_printf_key(&trace_fsmonitor, + "fsmonitor_refresh_callback CNT: %d", + (int)nr_in_cone); } /* diff --git a/git-difftool--helper.sh b/git-difftool--helper.sh index e4e820e680..dd0c9a5b7f 100755 --- a/git-difftool--helper.sh +++ b/git-difftool--helper.sh @@ -91,6 +91,19 @@ then # ignore the error from the above --- run_merge_tool # will diagnose unusable tool by itself run_merge_tool "$merge_tool" false + + status=$? + if test $status -ge 126 + then + # Command not found (127), not executable (126) or + # exited via a signal (>= 128). + exit $status + fi + + if test "$GIT_DIFFTOOL_TRUST_EXIT_CODE" = true + then + exit $status + fi else # Launch the merge tool on each path provided by 'git diff' while test $# -gt 6 diff --git a/git-quiltimport.sh b/git-quiltimport.sh index e3d3909743..eb34cda409 100755 --- a/git-quiltimport.sh +++ b/git-quiltimport.sh @@ -148,7 +148,7 @@ do if [ -z "$dry_run" ] ; then git apply --index -C1 ${level:+"$level"} "$tmp_patch" && tree=$(git write-tree) && - commit=$( (echo "$SUBJECT"; echo; cat "$tmp_msg") | git commit-tree $tree -p $commit) && + commit=$( { echo "$SUBJECT"; echo; cat "$tmp_msg"; } | git commit-tree $tree -p $commit) && git update-ref -m "quiltimport: $patch_name" HEAD $commit || exit 4 fi done 3<"$QUILT_SERIES" @@ -4,6 +4,7 @@ #include "exec-cmd.h" #include "gettext.h" #include "help.h" +#include "object-file.h" #include "pager.h" #include "read-cache-ll.h" #include "run-command.h" @@ -186,6 +187,11 @@ static int handle_options(const char ***argv, int *argc, int *envchanged) use_pager = 0; if (envchanged) *envchanged = 1; + } else if (!strcmp(cmd, "--no-lazy-fetch")) { + fetch_if_missing = 0; + setenv(NO_LAZY_FETCH_ENVIRONMENT, "1", 1); + if (envchanged) + *envchanged = 1; } else if (!strcmp(cmd, "--no-replace-objects")) { disable_replace_refs(); setenv(NO_REPLACE_OBJECTS_ENVIRONMENT, "1", 1); @@ -373,8 +379,6 @@ static int handle_alias(int *argcp, const char ***argv) strvec_pushv(&child.args, (*argv) + 1); trace2_cmd_alias(alias_command, child.args.v); - trace2_cmd_list_config(); - trace2_cmd_list_env_vars(); trace2_cmd_name("_run_shell_alias_"); ret = run_command(&child); @@ -411,8 +415,6 @@ static int handle_alias(int *argcp, const char ***argv) COPY_ARRAY(new_argv + count, *argv + 1, *argcp); trace2_cmd_alias(alias_command, new_argv); - trace2_cmd_list_config(); - trace2_cmd_list_env_vars(); *argv = new_argv; *argcp += count - 1; @@ -462,8 +464,6 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv) trace_argv_printf(argv, "trace: built-in: git"); trace2_cmd_name(p->cmd); - trace2_cmd_list_config(); - trace2_cmd_list_env_vars(); validate_cache_entries(the_repository->index); status = p->fn(argc, argv, prefix); @@ -145,6 +145,7 @@ struct object_id { #define GET_OID_RECORD_PATH 0200 #define GET_OID_ONLY_TO_DIE 04000 #define GET_OID_REQUIRE_PATH 010000 +#define GET_OID_HASH_ANY 020000 #define GET_OID_DISAMBIGUATORS \ (GET_OID_COMMIT | GET_OID_COMMITTISH | \ @@ -73,10 +73,15 @@ static inline void oidclr(struct object_id *oid) oid->algo = hash_algo_by_ptr(the_hash_algo); } +static inline void oidread_algop(struct object_id *oid, const unsigned char *hash, const struct git_hash_algo *algop) +{ + memcpy(oid->hash, hash, algop->rawsz); + oid->algo = hash_algo_by_ptr(algop); +} + static inline void oidread(struct object_id *oid, const unsigned char *hash) { - memcpy(oid->hash, hash, the_hash_algo->rawsz); - oid->algo = hash_algo_by_ptr(the_hash_algo); + oidread_algop(oid, hash, the_hash_algo); } static inline int is_empty_blob_sha1(const unsigned char *sha1) diff --git a/http-push.c b/http-push.c index 12d1113741..1fe51226fd 100644 --- a/http-push.c +++ b/http-push.c @@ -1307,7 +1307,7 @@ static struct object_list **process_tree(struct tree *tree, obj->flags |= SEEN; p = add_one_object(obj, p); - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) switch (object_type(entry.mode)) { @@ -1575,8 +1575,11 @@ static int verify_merge_base(struct object_id *head_oid, struct ref *remote) struct commit *head = lookup_commit_or_die(head_oid, "HEAD"); struct commit *branch = lookup_commit_or_die(&remote->old_oid, remote->name); + int ret = repo_in_merge_bases(the_repository, branch, head); - return repo_in_merge_bases(the_repository, branch, head); + if (ret < 0) + exit(128); + return ret; } static int delete_remote_branch(const char *pattern, int force) diff --git a/list-objects-filter.c b/list-objects-filter.c index da287cc8e0..4346f8da45 100644 --- a/list-objects-filter.c +++ b/list-objects-filter.c @@ -711,15 +711,6 @@ static void filter_combine__free(void *filter_data) free(d); } -static void add_all(struct oidset *dest, struct oidset *src) { - struct oidset_iter iter; - struct object_id *src_oid; - - oidset_iter_init(src, &iter); - while ((src_oid = oidset_iter_next(&iter)) != NULL) - oidset_insert(dest, src_oid); -} - static void filter_combine__finalize_omits( struct oidset *omits, void *filter_data) @@ -728,7 +719,7 @@ static void filter_combine__finalize_omits( size_t sub; for (sub = 0; sub < d->nr; sub++) { - add_all(omits, &d->sub[sub].omits); + oidset_insert_from_set(omits, &d->sub[sub].omits); oidset_clear(&d->sub[sub].omits); } } diff --git a/list-objects.c b/list-objects.c index f39b68faf5..11ad8be411 100644 --- a/list-objects.c +++ b/list-objects.c @@ -102,7 +102,7 @@ static void process_tree_contents(struct traversal_context *ctx, enum interesting match = ctx->revs->diffopt.pathspec.nr == 0 ? all_entries_interesting : entry_not_interesting; - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) { if (match != all_entries_interesting) { diff --git a/lockfile.h b/lockfile.h index 90af4e66b2..1bb9926497 100644 --- a/lockfile.h +++ b/lockfile.h @@ -321,11 +321,11 @@ static inline int commit_lock_file_to(struct lock_file *lk, const char *path) * Roll back `lk`: close the file descriptor and/or file pointer and * remove the lockfile. It is a NOOP to call `rollback_lock_file()` * for a `lock_file` object that has already been committed or rolled - * back. + * back. No error will be returned in this case. */ -static inline void rollback_lock_file(struct lock_file *lk) +static inline int rollback_lock_file(struct lock_file *lk) { - delete_tempfile(&lk->tempfile); + return delete_tempfile(&lk->tempfile); } #endif /* LOCKFILE_H */ diff --git a/log-tree.c b/log-tree.c index 337b9334cd..e5438b029d 100644 --- a/log-tree.c +++ b/log-tree.c @@ -1011,7 +1011,7 @@ static int do_remerge_diff(struct rev_info *opt, struct object_id *oid) { struct merge_options o; - struct commit_list *bases; + struct commit_list *bases = NULL; struct merge_result res = {0}; struct pretty_print_context ctx = {0}; struct commit *parent1 = parents->item; @@ -1036,7 +1036,8 @@ static int do_remerge_diff(struct rev_info *opt, /* Parse the relevant commits and get the merge bases */ parse_commit_or_die(parent1); parse_commit_or_die(parent2); - bases = repo_get_merge_bases(the_repository, parent1, parent2); + if (repo_get_merge_bases(the_repository, parent1, parent2, &bases) < 0) + exit(128); /* Re-merge the parents */ merge_incore_recursive(&o, bases, parent1, parent2, &res); diff --git a/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 c7d6256020..2078c22b09 100644 --- a/mem-pool.c +++ b/mem-pool.c @@ -107,6 +107,45 @@ void *mem_pool_alloc(struct mem_pool *pool, size_t len) return r; } +static char *mem_pool_strvfmt(struct mem_pool *pool, const char *fmt, + va_list ap) +{ + struct mp_block *block = pool->mp_block; + char *next_free = block ? block->next_free : NULL; + size_t available = block ? block->end - block->next_free : 0; + va_list cp; + int len, len2; + char *ret; + + va_copy(cp, ap); + len = vsnprintf(next_free, available, fmt, cp); + va_end(cp); + if (len < 0) + BUG("your vsnprintf is broken (returned %d)", len); + + ret = mem_pool_alloc(pool, len + 1); /* 1 for NUL */ + + /* Shortcut; relies on mem_pool_alloc() not touching buffer contents. */ + if (ret == next_free) + return ret; + + len2 = vsnprintf(ret, len + 1, fmt, ap); + if (len2 != len) + BUG("your vsnprintf is broken (returns inconsistent lengths)"); + return ret; +} + +char *mem_pool_strfmt(struct mem_pool *pool, const char *fmt, ...) +{ + va_list ap; + char *ret; + + va_start(ap, fmt); + ret = mem_pool_strvfmt(pool, fmt, ap); + va_end(ap); + return ret; +} + void *mem_pool_calloc(struct mem_pool *pool, size_t count, size_t size) { size_t len = st_mult(count, size); diff --git a/mem-pool.h b/mem-pool.h index fe7507f022..d1c66413ec 100644 --- a/mem-pool.h +++ b/mem-pool.h @@ -48,6 +48,11 @@ char *mem_pool_strdup(struct mem_pool *pool, const char *str); char *mem_pool_strndup(struct mem_pool *pool, const char *str, size_t len); /* + * Allocate memory from the memory pool and format a string into it. + */ +char *mem_pool_strfmt(struct mem_pool *pool, const char *fmt, ...); + +/* * Move the memory associated with the 'src' pool to the 'dst' pool. The 'src' * pool will be empty and not contain any memory. It still needs to be free'd * with a call to `mem_pool_discard`. diff --git a/merge-ll.c b/merge-ll.c index 5ffb045efb..61e0ae5398 100644 --- a/merge-ll.c +++ b/merge-ll.c @@ -292,7 +292,7 @@ static int read_merge_config(const char *var, const char *value, * after seeing merge.<name>.var1. */ for (fn = ll_user_merge; fn; fn = fn->next) - if (!strncmp(fn->name, name, namelen) && !fn->name[namelen]) + if (!xstrncmpz(fn->name, name, namelen)) break; if (!fn) { CALLOC_ARRAY(fn, 1); diff --git a/merge-ort.c b/merge-ort.c index 8617babee4..ac225cc33c 100644 --- a/merge-ort.c +++ b/merge-ort.c @@ -18,6 +18,7 @@ #include "merge-ort.h" #include "alloc.h" +#include "advice.h" #include "attr.h" #include "cache-tree.h" #include "commit.h" @@ -542,6 +543,7 @@ enum conflict_and_info_types { CONFLICT_SUBMODULE_HISTORY_NOT_AVAILABLE, CONFLICT_SUBMODULE_MAY_HAVE_REWINDS, CONFLICT_SUBMODULE_NULL_MERGE_BASE, + CONFLICT_SUBMODULE_CORRUPT, /* Keep this entry _last_ in the list */ NB_CONFLICT_TYPES, @@ -594,7 +596,9 @@ static const char *type_short_descriptions[] = { [CONFLICT_SUBMODULE_MAY_HAVE_REWINDS] = "CONFLICT (submodule may have rewinds)", [CONFLICT_SUBMODULE_NULL_MERGE_BASE] = - "CONFLICT (submodule lacks merge base)" + "CONFLICT (submodule lacks merge base)", + [CONFLICT_SUBMODULE_CORRUPT] = + "CONFLICT (submodule corrupt)" }; struct logical_conflict_info { @@ -1657,12 +1661,14 @@ static int collect_merge_info(struct merge_options *opt, info.data = opt; info.show_all_errors = 1; - parse_tree(merge_base); - parse_tree(side1); - parse_tree(side2); - init_tree_desc(t + 0, merge_base->buffer, merge_base->size); - init_tree_desc(t + 1, side1->buffer, side1->size); - init_tree_desc(t + 2, side2->buffer, side2->size); + if (parse_tree(merge_base) < 0 || + parse_tree(side1) < 0 || + parse_tree(side2) < 0) + return -1; + init_tree_desc(t + 0, &merge_base->object.oid, + merge_base->buffer, merge_base->size); + init_tree_desc(t + 1, &side1->object.oid, side1->buffer, side1->size); + init_tree_desc(t + 2, &side2->object.oid, side2->buffer, side2->size); trace2_region_enter("merge", "traverse_trees", opt->repo); ret = traverse_trees(NULL, 3, t, &info); @@ -1708,7 +1714,14 @@ static int find_first_merges(struct repository *repo, die("revision walk setup failed"); while ((commit = get_revision(&revs)) != NULL) { struct object *o = &(commit->object); - if (repo_in_merge_bases(repo, b, commit)) + int ret = repo_in_merge_bases(repo, b, commit); + + if (ret < 0) { + object_array_clear(&merges); + release_revisions(&revs); + return ret; + } + if (ret > 0) add_object_array(o, NULL, &merges); } reset_revision_walk(); @@ -1723,9 +1736,17 @@ static int find_first_merges(struct repository *repo, contains_another = 0; for (j = 0; j < merges.nr; j++) { struct commit *m2 = (struct commit *) merges.objects[j].item; - if (i != j && repo_in_merge_bases(repo, m2, m1)) { - contains_another = 1; - break; + if (i != j) { + int ret = repo_in_merge_bases(repo, m2, m1); + if (ret < 0) { + object_array_clear(&merges); + release_revisions(&revs); + return ret; + } + if (ret > 0) { + contains_another = 1; + break; + } } } @@ -1747,7 +1768,7 @@ static int merge_submodule(struct merge_options *opt, { struct repository subrepo; struct strbuf sb = STRBUF_INIT; - int ret = 0; + int ret = 0, ret2; struct commit *commit_o, *commit_a, *commit_b; int parent_count; struct object_array merges; @@ -1794,8 +1815,28 @@ static int merge_submodule(struct merge_options *opt, } /* check whether both changes are forward */ - if (!repo_in_merge_bases(&subrepo, commit_o, commit_a) || - !repo_in_merge_bases(&subrepo, commit_o, commit_b)) { + ret2 = repo_in_merge_bases(&subrepo, commit_o, commit_a); + if (ret2 < 0) { + path_msg(opt, CONFLICT_SUBMODULE_CORRUPT, 0, + path, NULL, NULL, NULL, + _("Failed to merge submodule %s " + "(repository corrupt)"), + path); + ret = -1; + goto cleanup; + } + if (ret2 > 0) + ret2 = repo_in_merge_bases(&subrepo, commit_o, commit_b); + if (ret2 < 0) { + path_msg(opt, CONFLICT_SUBMODULE_CORRUPT, 0, + path, NULL, NULL, NULL, + _("Failed to merge submodule %s " + "(repository corrupt)"), + path); + ret = -1; + goto cleanup; + } + if (!ret2) { path_msg(opt, CONFLICT_SUBMODULE_MAY_HAVE_REWINDS, 0, path, NULL, NULL, NULL, _("Failed to merge submodule %s " @@ -1805,7 +1846,17 @@ static int merge_submodule(struct merge_options *opt, } /* Case #1: a is contained in b or vice versa */ - if (repo_in_merge_bases(&subrepo, commit_a, commit_b)) { + ret2 = repo_in_merge_bases(&subrepo, commit_a, commit_b); + if (ret2 < 0) { + path_msg(opt, CONFLICT_SUBMODULE_CORRUPT, 0, + path, NULL, NULL, NULL, + _("Failed to merge submodule %s " + "(repository corrupt)"), + path); + ret = -1; + goto cleanup; + } + if (ret2 > 0) { oidcpy(result, b); path_msg(opt, INFO_SUBMODULE_FAST_FORWARDING, 1, path, NULL, NULL, NULL, @@ -1814,7 +1865,17 @@ static int merge_submodule(struct merge_options *opt, ret = 1; goto cleanup; } - if (repo_in_merge_bases(&subrepo, commit_b, commit_a)) { + ret2 = repo_in_merge_bases(&subrepo, commit_b, commit_a); + if (ret2 < 0) { + path_msg(opt, CONFLICT_SUBMODULE_CORRUPT, 0, + path, NULL, NULL, NULL, + _("Failed to merge submodule %s " + "(repository corrupt)"), + path); + ret = -1; + goto cleanup; + } + if (ret2 > 0) { oidcpy(result, a); path_msg(opt, INFO_SUBMODULE_FAST_FORWARDING, 1, path, NULL, NULL, NULL, @@ -1839,6 +1900,14 @@ static int merge_submodule(struct merge_options *opt, parent_count = find_first_merges(&subrepo, path, commit_a, commit_b, &merges); switch (parent_count) { + case -1: + path_msg(opt, CONFLICT_SUBMODULE_CORRUPT, 0, + path, NULL, NULL, NULL, + _("Failed to merge submodule %s " + "(repository corrupt)"), + path); + ret = -1; + break; case 0: path_msg(opt, CONFLICT_SUBMODULE_FAILED_TO_MERGE, 0, path, NULL, NULL, NULL, @@ -4376,10 +4445,12 @@ static int checkout(struct merge_options *opt, unpack_opts.verbose_update = (opt->verbosity > 2); unpack_opts.fn = twoway_merge; unpack_opts.preserve_ignored = 0; /* FIXME: !opts->overwrite_ignore */ - parse_tree(prev); - init_tree_desc(&trees[0], prev->buffer, prev->size); - parse_tree(next); - init_tree_desc(&trees[1], next->buffer, next->size); + if (parse_tree(prev) < 0) + return -1; + init_tree_desc(&trees[0], &prev->object.oid, prev->buffer, prev->size); + if (parse_tree(next) < 0) + return -1; + init_tree_desc(&trees[1], &next->object.oid, next->buffer, next->size); ret = unpack_trees(2, trees, &unpack_opts); clear_unpack_trees_porcelain(&unpack_opts); @@ -4556,7 +4627,7 @@ static void print_submodule_conflict_suggestion(struct string_list *csub) { " - commit the resulting index in the superproject\n"), tmp.buf, subs.buf); - printf("%s", msg.buf); + advise_if_enabled(ADVICE_SUBMODULE_MERGE_CONFLICT, "%s", msg.buf); strbuf_release(&subs); strbuf_release(&tmp); @@ -4982,6 +5053,9 @@ redo: if (result->clean >= 0) { result->tree = parse_tree_indirect(&working_tree_oid); + if (!result->tree) + die(_("unable to read tree (%s)"), + oid_to_hex(&working_tree_oid)); /* existence of conflicted entries implies unclean */ result->clean &= strmap_empty(&opt->priv->conflicted); } @@ -5007,7 +5081,11 @@ static void merge_ort_internal(struct merge_options *opt, struct strbuf merge_base_abbrev = STRBUF_INIT; if (!merge_bases) { - merge_bases = repo_get_merge_bases(the_repository, h1, h2); + if (repo_get_merge_bases(the_repository, h1, h2, + &merge_bases) < 0) { + result->clean = -1; + return; + } /* See merge-ort.h:merge_incore_recursive() declaration NOTE */ merge_bases = reverse_commit_list(merge_bases); } diff --git a/merge-recursive.c b/merge-recursive.c index a0c3e7a2d9..69d67bef5a 100644 --- a/merge-recursive.c +++ b/merge-recursive.c @@ -405,8 +405,9 @@ static inline int merge_detect_rename(struct merge_options *opt) static void init_tree_desc_from_tree(struct tree_desc *desc, struct tree *tree) { - parse_tree(tree); - init_tree_desc(desc, tree->buffer, tree->size); + if (parse_tree(tree) < 0) + exit(128); + init_tree_desc(desc, &tree->object.oid, tree->buffer, tree->size); } static int unpack_trees_start(struct merge_options *opt, @@ -1139,7 +1140,13 @@ static int find_first_merges(struct repository *repo, die("revision walk setup failed"); while ((commit = get_revision(&revs)) != NULL) { struct object *o = &(commit->object); - if (repo_in_merge_bases(repo, b, commit)) + int ret = repo_in_merge_bases(repo, b, commit); + if (ret < 0) { + object_array_clear(&merges); + release_revisions(&revs); + return ret; + } + if (ret) add_object_array(o, NULL, &merges); } reset_revision_walk(); @@ -1154,9 +1161,17 @@ static int find_first_merges(struct repository *repo, contains_another = 0; for (j = 0; j < merges.nr; j++) { struct commit *m2 = (struct commit *) merges.objects[j].item; - if (i != j && repo_in_merge_bases(repo, m2, m1)) { - contains_another = 1; - break; + if (i != j) { + int ret = repo_in_merge_bases(repo, m2, m1); + if (ret < 0) { + object_array_clear(&merges); + release_revisions(&revs); + return ret; + } + if (ret > 0) { + contains_another = 1; + break; + } } } @@ -1192,7 +1207,7 @@ static int merge_submodule(struct merge_options *opt, const struct object_id *b) { struct repository subrepo; - int ret = 0; + int ret = 0, ret2; struct commit *commit_base, *commit_a, *commit_b; int parent_count; struct object_array merges; @@ -1229,14 +1244,32 @@ static int merge_submodule(struct merge_options *opt, } /* check whether both changes are forward */ - if (!repo_in_merge_bases(&subrepo, commit_base, commit_a) || - !repo_in_merge_bases(&subrepo, commit_base, commit_b)) { + ret2 = repo_in_merge_bases(&subrepo, commit_base, commit_a); + if (ret2 < 0) { + output(opt, 1, _("Failed to merge submodule %s (repository corrupt)"), path); + ret = -1; + goto cleanup; + } + if (ret2 > 0) + ret2 = repo_in_merge_bases(&subrepo, commit_base, commit_b); + if (ret2 < 0) { + output(opt, 1, _("Failed to merge submodule %s (repository corrupt)"), path); + ret = -1; + goto cleanup; + } + if (!ret2) { output(opt, 1, _("Failed to merge submodule %s (commits don't follow merge-base)"), path); goto cleanup; } /* Case #1: a is contained in b or vice versa */ - if (repo_in_merge_bases(&subrepo, commit_a, commit_b)) { + ret2 = repo_in_merge_bases(&subrepo, commit_a, commit_b); + if (ret2 < 0) { + output(opt, 1, _("Failed to merge submodule %s (repository corrupt)"), path); + ret = -1; + goto cleanup; + } + if (ret2) { oidcpy(result, b); if (show(opt, 3)) { output(opt, 3, _("Fast-forwarding submodule %s to the following commit:"), path); @@ -1249,7 +1282,13 @@ static int merge_submodule(struct merge_options *opt, ret = 1; goto cleanup; } - if (repo_in_merge_bases(&subrepo, commit_b, commit_a)) { + ret2 = repo_in_merge_bases(&subrepo, commit_b, commit_a); + if (ret2 < 0) { + output(opt, 1, _("Failed to merge submodule %s (repository corrupt)"), path); + ret = -1; + goto cleanup; + } + if (ret2) { oidcpy(result, a); if (show(opt, 3)) { output(opt, 3, _("Fast-forwarding submodule %s to the following commit:"), path); @@ -1278,6 +1317,10 @@ static int merge_submodule(struct merge_options *opt, parent_count = find_first_merges(&subrepo, &merges, path, commit_a, commit_b); switch (parent_count) { + case -1: + output(opt, 1,_("Failed to merge submodule %s (repository corrupt)"), path); + ret = -1; + break; case 0: output(opt, 1, _("Failed to merge submodule %s (merge following commits not found)"), path); break; @@ -1392,11 +1435,14 @@ static int merge_mode_and_contents(struct merge_options *opt, /* FIXME: bug, what if modes didn't match? */ result->clean = (merge_status == 0); } else if (S_ISGITLINK(a->mode)) { - result->clean = merge_submodule(opt, &result->blob.oid, - o->path, - &o->oid, - &a->oid, - &b->oid); + int clean = merge_submodule(opt, &result->blob.oid, + o->path, + &o->oid, + &a->oid, + &b->oid); + if (clean < 0) + return -1; + result->clean = clean; } else if (S_ISLNK(a->mode)) { switch (opt->recursive_variant) { case MERGE_VARIANT_NORMAL: @@ -3597,7 +3643,9 @@ static int merge_recursive_internal(struct merge_options *opt, } if (!merge_bases) { - merge_bases = repo_get_merge_bases(the_repository, h1, h2); + if (repo_get_merge_bases(the_repository, h1, h2, + &merge_bases) < 0) + return -1; merge_bases = reverse_commit_list(merge_bases); } @@ -77,8 +77,12 @@ int checkout_fast_forward(struct repository *r, return -1; } for (i = 0; i < nr_trees; i++) { - parse_tree(trees[i]); - init_tree_desc(t+i, trees[i]->buffer, trees[i]->size); + if (parse_tree(trees[i]) < 0) { + rollback_lock_file(&lock_file); + return -1; + } + init_tree_desc(t+i, &trees[i]->object.oid, + trees[i]->buffer, trees[i]->size); } memset(&opts, 0, sizeof(opts)); diff --git a/mergetools/vimdiff b/mergetools/vimdiff index 06937acbf5..97e376329b 100644 --- a/mergetools/vimdiff +++ b/mergetools/vimdiff @@ -371,9 +371,17 @@ diff_cmd_help () { merge_cmd () { - layout=$(git config mergetool.vimdiff.layout) + TOOL=$1 - case "$1" in + layout=$(git config "mergetool.$TOOL.layout") + + # backward compatibility: + if test -z "$layout" + then + layout=$(git config mergetool.vimdiff.layout) + fi + + case "$TOOL" in *vimdiff) if test -z "$layout" then diff --git a/name-hash.c b/name-hash.c index 251f036eef..3a58ce03d9 100644 --- a/name-hash.c +++ b/name-hash.c @@ -685,13 +685,20 @@ static int same_name(const struct cache_entry *ce, const char *name, int namelen return slow_same_name(name, namelen, ce->name, len); } -int index_dir_exists(struct index_state *istate, const char *name, int namelen) +int index_dir_find(struct index_state *istate, const char *name, int namelen, + struct strbuf *canonical_path) { struct dir_entry *dir; lazy_init_name_hash(istate); expand_to_path(istate, name, namelen, 0); dir = find_dir_entry(istate, name, namelen); + + if (canonical_path && dir && dir->nr) { + strbuf_reset(canonical_path); + strbuf_add(canonical_path, dir->name, dir->namelen); + } + return dir && dir->nr; } diff --git a/name-hash.h b/name-hash.h index b1b4b0fb33..0cbfc42863 100644 --- a/name-hash.h +++ b/name-hash.h @@ -4,7 +4,12 @@ struct cache_entry; struct index_state; -int index_dir_exists(struct index_state *istate, const char *name, int namelen); + +int index_dir_find(struct index_state *istate, const char *name, int namelen, + struct strbuf *canonical_path); + +#define index_dir_exists(i, n, l) index_dir_find((i), (n), (l), NULL) + void adjust_dirname_case(struct index_state *istate, char *name); struct cache_entry *index_file_exists(struct index_state *istate, const char *name, int namelen, int igncase); diff --git a/notes-merge.c b/notes-merge.c index 8799b522a5..51282934ae 100644 --- a/notes-merge.c +++ b/notes-merge.c @@ -607,7 +607,8 @@ int notes_merge(struct notes_merge_options *o, assert(local && remote); /* Find merge bases */ - bases = repo_get_merge_bases(the_repository, local, remote); + if (repo_get_merge_bases(the_repository, local, remote, &bases) < 0) + exit(128); if (!bases) { base_oid = null_oid(); base_tree_oid = the_hash_algo->empty_tree; diff --git a/object-file-convert.c b/object-file-convert.c new file mode 100644 index 0000000000..4f6189095b --- /dev/null +++ b/object-file-convert.c @@ -0,0 +1,277 @@ +#include "git-compat-util.h" +#include "gettext.h" +#include "strbuf.h" +#include "hex.h" +#include "repository.h" +#include "hash-ll.h" +#include "hash.h" +#include "object.h" +#include "loose.h" +#include "commit.h" +#include "gpg-interface.h" +#include "object-file-convert.h" + +int repo_oid_to_algop(struct repository *repo, const struct object_id *src, + const struct git_hash_algo *to, struct object_id *dest) +{ + /* + * If the source algorithm is not set, then we're using the + * default hash algorithm for that object. + */ + const struct git_hash_algo *from = + src->algo ? &hash_algos[src->algo] : repo->hash_algo; + + if (from == to) { + if (src != dest) + oidcpy(dest, src); + return 0; + } + if (repo_loose_object_map_oid(repo, src, to, dest)) { + /* + * We may have loaded the object map at repo initialization but + * another process (perhaps upstream of a pipe from us) may have + * written a new object into the map. If the object is missing, + * let's reload the map to see if the object has appeared. + */ + repo_read_loose_object_map(repo); + if (repo_loose_object_map_oid(repo, src, to, dest)) + return -1; + } + return 0; +} + +static int decode_tree_entry_raw(struct object_id *oid, const char **path, + size_t *len, const struct git_hash_algo *algo, + const char *buf, unsigned long size) +{ + uint16_t mode; + const unsigned hashsz = algo->rawsz; + + if (size < hashsz + 3 || buf[size - (hashsz + 1)]) { + return -1; + } + + *path = parse_mode(buf, &mode); + if (!*path || !**path) + return -1; + *len = strlen(*path) + 1; + + oidread_algop(oid, (const unsigned char *)*path + *len, algo); + return 0; +} + +static int convert_tree_object(struct strbuf *out, + const struct git_hash_algo *from, + const struct git_hash_algo *to, + const char *buffer, size_t size) +{ + const char *p = buffer, *end = buffer + size; + + while (p < end) { + struct object_id entry_oid, mapped_oid; + const char *path = NULL; + size_t pathlen; + + if (decode_tree_entry_raw(&entry_oid, &path, &pathlen, from, p, + end - p)) + return error(_("failed to decode tree entry")); + if (repo_oid_to_algop(the_repository, &entry_oid, to, &mapped_oid)) + return error(_("failed to map tree entry for %s"), oid_to_hex(&entry_oid)); + strbuf_add(out, p, path - p); + strbuf_add(out, path, pathlen); + strbuf_add(out, mapped_oid.hash, to->rawsz); + p = path + pathlen + from->rawsz; + } + return 0; +} + +static int convert_tag_object(struct strbuf *out, + const struct git_hash_algo *from, + const struct git_hash_algo *to, + const char *buffer, size_t size) +{ + struct strbuf payload = STRBUF_INIT, oursig = STRBUF_INIT, othersig = STRBUF_INIT; + const int entry_len = from->hexsz + 7; + size_t payload_size; + struct object_id oid, mapped_oid; + const char *p; + + /* Consume the object line */ + if ((entry_len >= size) || + memcmp(buffer, "object ", 7) || buffer[entry_len] != '\n') + return error("bogus tag object"); + if (parse_oid_hex_algop(buffer + 7, &oid, &p, from) < 0) + return error("bad tag object ID"); + if (repo_oid_to_algop(the_repository, &oid, to, &mapped_oid)) + return error("unable to map tree %s in tag object", + oid_to_hex(&oid)); + size -= ((p + 1) - buffer); + buffer = p + 1; + + /* Is there a signature for our algorithm? */ + payload_size = parse_signed_buffer(buffer, size); + if (payload_size != size) { + /* Yes, there is. */ + strbuf_add(&oursig, buffer + payload_size, size - payload_size); + } + + /* Now, is there a signature for the other algorithm? */ + parse_buffer_signed_by_header(buffer, payload_size, &payload, &othersig, to); + /* + * Our payload is now in payload and we may have up to two signatrures + * in oursig and othersig. + */ + + /* Add some slop for longer signature header in the new algorithm. */ + strbuf_grow(out, (7 + to->hexsz + 1) + size + 7); + strbuf_addf(out, "object %s\n", oid_to_hex(&mapped_oid)); + strbuf_addbuf(out, &payload); + if (oursig.len) + add_header_signature(out, &oursig, from); + strbuf_addbuf(out, &othersig); + + strbuf_release(&payload); + strbuf_release(&othersig); + strbuf_release(&oursig); + return 0; +} + +static int convert_commit_object(struct strbuf *out, + const struct git_hash_algo *from, + const struct git_hash_algo *to, + const char *buffer, size_t size) +{ + const char *tail = buffer; + const char *bufptr = buffer; + const int tree_entry_len = from->hexsz + 5; + const int parent_entry_len = from->hexsz + 7; + struct object_id oid, mapped_oid; + const char *p, *eol; + + tail += size; + + while ((bufptr < tail) && (*bufptr != '\n')) { + eol = memchr(bufptr, '\n', tail - bufptr); + if (!eol) + return error(_("bad %s in commit"), "line"); + + if (((bufptr + 5) < eol) && !memcmp(bufptr, "tree ", 5)) + { + if (((bufptr + tree_entry_len) != eol) || + parse_oid_hex_algop(bufptr + 5, &oid, &p, from) || + (p != eol)) + return error(_("bad %s in commit"), "tree"); + + if (repo_oid_to_algop(the_repository, &oid, to, &mapped_oid)) + return error(_("unable to map %s %s in commit object"), + "tree", oid_to_hex(&oid)); + strbuf_addf(out, "tree %s\n", oid_to_hex(&mapped_oid)); + } + else if (((bufptr + 7) < eol) && !memcmp(bufptr, "parent ", 7)) + { + if (((bufptr + parent_entry_len) != eol) || + parse_oid_hex_algop(bufptr + 7, &oid, &p, from) || + (p != eol)) + return error(_("bad %s in commit"), "parent"); + + if (repo_oid_to_algop(the_repository, &oid, to, &mapped_oid)) + return error(_("unable to map %s %s in commit object"), + "parent", oid_to_hex(&oid)); + + strbuf_addf(out, "parent %s\n", oid_to_hex(&mapped_oid)); + } + else if (((bufptr + 9) < eol) && !memcmp(bufptr, "mergetag ", 9)) + { + struct strbuf tag = STRBUF_INIT, new_tag = STRBUF_INIT; + + /* Recover the tag object from the mergetag */ + strbuf_add(&tag, bufptr + 9, (eol - (bufptr + 9)) + 1); + + bufptr = eol + 1; + while ((bufptr < tail) && (*bufptr == ' ')) { + eol = memchr(bufptr, '\n', tail - bufptr); + if (!eol) { + strbuf_release(&tag); + return error(_("bad %s in commit"), "mergetag continuation"); + } + strbuf_add(&tag, bufptr + 1, (eol - (bufptr + 1)) + 1); + bufptr = eol + 1; + } + + /* Compute the new tag object */ + if (convert_tag_object(&new_tag, from, to, tag.buf, tag.len)) { + strbuf_release(&tag); + strbuf_release(&new_tag); + return -1; + } + + /* Write the new mergetag */ + strbuf_addstr(out, "mergetag"); + strbuf_add_lines(out, " ", new_tag.buf, new_tag.len); + strbuf_release(&tag); + strbuf_release(&new_tag); + } + else if (((bufptr + 7) < tail) && !memcmp(bufptr, "author ", 7)) + strbuf_add(out, bufptr, (eol - bufptr) + 1); + else if (((bufptr + 10) < tail) && !memcmp(bufptr, "committer ", 10)) + strbuf_add(out, bufptr, (eol - bufptr) + 1); + else if (((bufptr + 9) < tail) && !memcmp(bufptr, "encoding ", 9)) + strbuf_add(out, bufptr, (eol - bufptr) + 1); + else if (((bufptr + 6) < tail) && !memcmp(bufptr, "gpgsig", 6)) + strbuf_add(out, bufptr, (eol - bufptr) + 1); + else { + /* Unknown line fail it might embed an oid */ + return -1; + } + /* Consume any trailing continuation lines */ + bufptr = eol + 1; + while ((bufptr < tail) && (*bufptr == ' ')) { + eol = memchr(bufptr, '\n', tail - bufptr); + if (!eol) + return error(_("bad %s in commit"), "continuation"); + strbuf_add(out, bufptr, (eol - bufptr) + 1); + bufptr = eol + 1; + } + } + if (bufptr < tail) + strbuf_add(out, bufptr, tail - bufptr); + return 0; +} + +int convert_object_file(struct strbuf *outbuf, + const struct git_hash_algo *from, + const struct git_hash_algo *to, + const void *buf, size_t len, + enum object_type type, + int gentle) +{ + int ret; + + /* Don't call this function when no conversion is necessary */ + if ((from == to) || (type == OBJ_BLOB)) + BUG("Refusing noop object file conversion"); + + switch (type) { + case OBJ_COMMIT: + ret = convert_commit_object(outbuf, from, to, buf, len); + break; + case OBJ_TREE: + ret = convert_tree_object(outbuf, from, to, buf, len); + break; + case OBJ_TAG: + ret = convert_tag_object(outbuf, from, to, buf, len); + break; + default: + /* Not implemented yet, so fail. */ + ret = -1; + break; + } + if (!ret) + return 0; + if (gentle) { + strbuf_release(outbuf); + return ret; + } + die(_("Failed to convert object from %s to %s"), + from->name, to->name); +} diff --git a/object-file-convert.h b/object-file-convert.h new file mode 100644 index 0000000000..a4f802aa8e --- /dev/null +++ b/object-file-convert.h @@ -0,0 +1,24 @@ +#ifndef OBJECT_CONVERT_H +#define OBJECT_CONVERT_H + +struct repository; +struct object_id; +struct git_hash_algo; +struct strbuf; +#include "object.h" + +int repo_oid_to_algop(struct repository *repo, const struct object_id *src, + const struct git_hash_algo *to, struct object_id *dest); + +/* + * Convert an object file from one hash algorithm to another algorithm. + * Return -1 on failure, 0 on success. + */ +int convert_object_file(struct strbuf *outbuf, + const struct git_hash_algo *from, + const struct git_hash_algo *to, + const void *buf, size_t len, + enum object_type type, + int gentle); + +#endif /* OBJECT_CONVERT_H */ diff --git a/object-file.c b/object-file.c index 619f039ebc..610b1f465c 100644 --- a/object-file.c +++ b/object-file.c @@ -35,6 +35,8 @@ #include "setup.h" #include "submodule.h" #include "fsck.h" +#include "loose.h" +#include "object-file-convert.h" /* The maximum size for an object header. */ #define MAX_HEADER_LEN 32 @@ -1084,9 +1086,11 @@ int check_object_signature(struct repository *r, const struct object_id *oid, void *buf, unsigned long size, enum object_type type) { + const struct git_hash_algo *algo = + oid->algo ? &hash_algos[oid->algo] : r->hash_algo; struct object_id real_oid; - hash_object_file(r->hash_algo, buf, size, type, &real_oid); + hash_object_file(algo, buf, size, type, &real_oid); return !oideq(oid, &real_oid) ? -1 : 0; } @@ -1652,10 +1656,101 @@ static int do_oid_object_info_extended(struct repository *r, return 0; } +static int oid_object_info_convert(struct repository *r, + const struct object_id *input_oid, + struct object_info *input_oi, unsigned flags) +{ + const struct git_hash_algo *input_algo = &hash_algos[input_oid->algo]; + int do_die = flags & OBJECT_INFO_DIE_IF_CORRUPT; + struct strbuf type_name = STRBUF_INIT; + struct object_id oid, delta_base_oid; + struct object_info new_oi, *oi; + unsigned long size; + void *content; + int ret; + + if (repo_oid_to_algop(r, input_oid, the_hash_algo, &oid)) { + if (do_die) + die(_("missing mapping of %s to %s"), + oid_to_hex(input_oid), the_hash_algo->name); + return -1; + } + + /* Is new_oi needed? */ + oi = input_oi; + if (input_oi && (input_oi->delta_base_oid || input_oi->sizep || + input_oi->contentp)) { + new_oi = *input_oi; + /* Does delta_base_oid need to be converted? */ + if (input_oi->delta_base_oid) + new_oi.delta_base_oid = &delta_base_oid; + /* Will the attributes differ when converted? */ + if (input_oi->sizep || input_oi->contentp) { + new_oi.contentp = &content; + new_oi.sizep = &size; + new_oi.type_name = &type_name; + } + oi = &new_oi; + } + + ret = oid_object_info_extended(r, &oid, oi, flags); + if (ret) + return -1; + if (oi == input_oi) + return ret; + + if (new_oi.contentp) { + struct strbuf outbuf = STRBUF_INIT; + enum object_type type; + + type = type_from_string_gently(type_name.buf, type_name.len, + !do_die); + if (type == -1) + return -1; + if (type != OBJ_BLOB) { + ret = convert_object_file(&outbuf, + the_hash_algo, input_algo, + content, size, type, !do_die); + if (ret == -1) + return -1; + free(content); + size = outbuf.len; + content = strbuf_detach(&outbuf, NULL); + } + if (input_oi->sizep) + *input_oi->sizep = size; + if (input_oi->contentp) + *input_oi->contentp = content; + else + free(content); + if (input_oi->type_name) + *input_oi->type_name = type_name; + else + strbuf_release(&type_name); + } + if (new_oi.delta_base_oid == &delta_base_oid) { + if (repo_oid_to_algop(r, &delta_base_oid, input_algo, + input_oi->delta_base_oid)) { + if (do_die) + die(_("missing mapping of %s to %s"), + oid_to_hex(&delta_base_oid), + input_algo->name); + return -1; + } + } + input_oi->whence = new_oi.whence; + input_oi->u = new_oi.u; + return ret; +} + int oid_object_info_extended(struct repository *r, const struct object_id *oid, struct object_info *oi, unsigned flags) { int ret; + + if (oid->algo && (hash_algo_by_ptr(r->hash_algo) != oid->algo)) + return oid_object_info_convert(r, oid, oi, flags); + obj_read_lock(); ret = do_oid_object_info_extended(r, oid, oi, flags); obj_read_unlock(); @@ -1944,9 +2039,12 @@ static int start_loose_object_common(struct strbuf *tmp_file, const char *filename, unsigned flags, git_zstream *stream, unsigned char *buf, size_t buflen, - git_hash_ctx *c, + git_hash_ctx *c, git_hash_ctx *compat_c, char *hdr, int hdrlen) { + struct repository *repo = the_repository; + const struct git_hash_algo *algo = repo->hash_algo; + const struct git_hash_algo *compat = repo->compat_hash_algo; int fd; fd = create_tmpfile(tmp_file, filename); @@ -1966,14 +2064,18 @@ static int start_loose_object_common(struct strbuf *tmp_file, git_deflate_init(stream, zlib_compression_level); stream->next_out = buf; stream->avail_out = buflen; - the_hash_algo->init_fn(c); + algo->init_fn(c); + if (compat && compat_c) + compat->init_fn(compat_c); /* Start to feed header to zlib stream */ stream->next_in = (unsigned char *)hdr; stream->avail_in = hdrlen; while (git_deflate(stream, 0) == Z_OK) ; /* nothing */ - the_hash_algo->update_fn(c, hdr, hdrlen); + algo->update_fn(c, hdr, hdrlen); + if (compat && compat_c) + compat->update_fn(compat_c, hdr, hdrlen); return fd; } @@ -1982,16 +2084,21 @@ static int start_loose_object_common(struct strbuf *tmp_file, * Common steps for the inner git_deflate() loop for writing loose * objects. Returns what git_deflate() returns. */ -static int write_loose_object_common(git_hash_ctx *c, +static int write_loose_object_common(git_hash_ctx *c, git_hash_ctx *compat_c, git_zstream *stream, const int flush, unsigned char *in0, const int fd, unsigned char *compressed, const size_t compressed_len) { + struct repository *repo = the_repository; + const struct git_hash_algo *algo = repo->hash_algo; + const struct git_hash_algo *compat = repo->compat_hash_algo; int ret; ret = git_deflate(stream, flush ? Z_FINISH : 0); - the_hash_algo->update_fn(c, in0, stream->next_in - in0); + algo->update_fn(c, in0, stream->next_in - in0); + if (compat && compat_c) + compat->update_fn(compat_c, in0, stream->next_in - in0); if (write_in_full(fd, compressed, stream->next_out - compressed) < 0) die_errno(_("unable to write loose object file")); stream->next_out = compressed; @@ -2006,15 +2113,21 @@ static int write_loose_object_common(git_hash_ctx *c, * - End the compression of zlib stream. * - Get the calculated oid to "oid". */ -static int end_loose_object_common(git_hash_ctx *c, git_zstream *stream, - struct object_id *oid) +static int end_loose_object_common(git_hash_ctx *c, git_hash_ctx *compat_c, + git_zstream *stream, struct object_id *oid, + struct object_id *compat_oid) { + struct repository *repo = the_repository; + const struct git_hash_algo *algo = repo->hash_algo; + const struct git_hash_algo *compat = repo->compat_hash_algo; int ret; ret = git_deflate_end_gently(stream); if (ret != Z_OK) return ret; - the_hash_algo->final_oid_fn(oid, c); + algo->final_oid_fn(oid, c); + if (compat && compat_c) + compat->final_oid_fn(compat_oid, compat_c); return Z_OK; } @@ -2038,7 +2151,7 @@ static int write_loose_object(const struct object_id *oid, char *hdr, fd = start_loose_object_common(&tmp_file, filename.buf, flags, &stream, compressed, sizeof(compressed), - &c, hdr, hdrlen); + &c, NULL, hdr, hdrlen); if (fd < 0) return -1; @@ -2048,14 +2161,14 @@ static int write_loose_object(const struct object_id *oid, char *hdr, do { unsigned char *in0 = stream.next_in; - ret = write_loose_object_common(&c, &stream, 1, in0, fd, + ret = write_loose_object_common(&c, NULL, &stream, 1, in0, fd, compressed, sizeof(compressed)); } while (ret == Z_OK); if (ret != Z_STREAM_END) die(_("unable to deflate new object %s (%d)"), oid_to_hex(oid), ret); - ret = end_loose_object_common(&c, &stream, ¶no_oid); + ret = end_loose_object_common(&c, NULL, &stream, ¶no_oid, NULL); if (ret != Z_OK) die(_("deflateEnd on object %s failed (%d)"), oid_to_hex(oid), ret); @@ -2100,10 +2213,12 @@ static int freshen_packed_object(const struct object_id *oid) int stream_loose_object(struct input_stream *in_stream, size_t len, struct object_id *oid) { + const struct git_hash_algo *compat = the_repository->compat_hash_algo; + struct object_id compat_oid; int fd, ret, err = 0, flush = 0; unsigned char compressed[4096]; git_zstream stream; - git_hash_ctx c; + git_hash_ctx c, compat_c; struct strbuf tmp_file = STRBUF_INIT; struct strbuf filename = STRBUF_INIT; int dirlen; @@ -2127,7 +2242,7 @@ int stream_loose_object(struct input_stream *in_stream, size_t len, */ fd = start_loose_object_common(&tmp_file, filename.buf, 0, &stream, compressed, sizeof(compressed), - &c, hdr, hdrlen); + &c, &compat_c, hdr, hdrlen); if (fd < 0) { err = -1; goto cleanup; @@ -2145,7 +2260,7 @@ int stream_loose_object(struct input_stream *in_stream, size_t len, if (in_stream->is_finished) flush = 1; } - ret = write_loose_object_common(&c, &stream, flush, in0, fd, + ret = write_loose_object_common(&c, &compat_c, &stream, flush, in0, fd, compressed, sizeof(compressed)); /* * Unlike write_loose_object(), we do not have the entire @@ -2168,7 +2283,7 @@ int stream_loose_object(struct input_stream *in_stream, size_t len, */ if (ret != Z_STREAM_END) die(_("unable to stream deflate new object (%d)"), ret); - ret = end_loose_object_common(&c, &stream, oid); + ret = end_loose_object_common(&c, &compat_c, &stream, oid, &compat_oid); if (ret != Z_OK) die(_("deflateEnd on stream object failed (%d)"), ret); close_loose_object(fd, tmp_file.buf); @@ -2195,6 +2310,8 @@ int stream_loose_object(struct input_stream *in_stream, size_t len, } err = finalize_object_file(tmp_file.buf, filename.buf); + if (!err && compat) + err = repo_add_loose_object_map(the_repository, oid, &compat_oid); cleanup: strbuf_release(&tmp_file); strbuf_release(&filename); @@ -2203,19 +2320,42 @@ cleanup: int write_object_file_flags(const void *buf, unsigned long len, enum object_type type, struct object_id *oid, - unsigned flags) + struct object_id *compat_oid_in, unsigned flags) { + struct repository *repo = the_repository; + const struct git_hash_algo *algo = repo->hash_algo; + const struct git_hash_algo *compat = repo->compat_hash_algo; + struct object_id compat_oid; char hdr[MAX_HEADER_LEN]; int hdrlen = sizeof(hdr); + /* Generate compat_oid */ + if (compat) { + if (compat_oid_in) + oidcpy(&compat_oid, compat_oid_in); + else if (type == OBJ_BLOB) + hash_object_file(compat, buf, len, type, &compat_oid); + else { + struct strbuf converted = STRBUF_INIT; + convert_object_file(&converted, algo, compat, + buf, len, type, 0); + hash_object_file(compat, converted.buf, converted.len, + type, &compat_oid); + strbuf_release(&converted); + } + } + /* Normally if we have it in the pack then we do not bother writing * it out into .git/objects/??/?{38} file. */ - write_object_file_prepare(the_hash_algo, buf, len, type, oid, hdr, - &hdrlen); + write_object_file_prepare(algo, buf, len, type, oid, hdr, &hdrlen); if (freshen_packed_object(oid) || freshen_loose_object(oid)) return 0; - return write_loose_object(oid, hdr, hdrlen, buf, len, 0, flags); + if (write_loose_object(oid, hdr, hdrlen, buf, len, 0, flags)) + return -1; + if (compat) + return repo_add_loose_object_map(repo, oid, &compat_oid); + return 0; } int write_object_file_literally(const void *buf, unsigned long len, @@ -2223,7 +2363,27 @@ int write_object_file_literally(const void *buf, unsigned long len, unsigned flags) { char *header; + struct repository *repo = the_repository; + const struct git_hash_algo *algo = repo->hash_algo; + const struct git_hash_algo *compat = repo->compat_hash_algo; + struct object_id compat_oid; int hdrlen, status = 0; + int compat_type = -1; + + if (compat) { + compat_type = type_from_string_gently(type, -1, 1); + if (compat_type == OBJ_BLOB) + hash_object_file(compat, buf, len, compat_type, + &compat_oid); + else if (compat_type != -1) { + struct strbuf converted = STRBUF_INIT; + convert_object_file(&converted, algo, compat, + buf, len, compat_type, 0); + hash_object_file(compat, converted.buf, converted.len, + compat_type, &compat_oid); + strbuf_release(&converted); + } + } /* type string, SP, %lu of the length plus NUL must fit this */ hdrlen = strlen(type) + MAX_HEADER_LEN; @@ -2236,6 +2396,8 @@ int write_object_file_literally(const void *buf, unsigned long len, if (freshen_packed_object(oid) || freshen_loose_object(oid)) goto cleanup; status = write_loose_object(oid, header, hdrlen, buf, len, 0, 0); + if (compat_type != -1) + return repo_add_loose_object_map(repo, oid, &compat_oid); cleanup: free(header); @@ -2244,9 +2406,12 @@ cleanup: int force_object_loose(const struct object_id *oid, time_t mtime) { + struct repository *repo = the_repository; + const struct git_hash_algo *compat = repo->compat_hash_algo; void *buf; unsigned long len; struct object_info oi = OBJECT_INFO_INIT; + struct object_id compat_oid; enum object_type type; char hdr[MAX_HEADER_LEN]; int hdrlen; @@ -2259,8 +2424,15 @@ int force_object_loose(const struct object_id *oid, time_t mtime) oi.contentp = &buf; if (oid_object_info_extended(the_repository, oid, &oi, 0)) return error(_("cannot read object for %s"), oid_to_hex(oid)); + if (compat) { + if (repo_oid_to_algop(repo, oid, compat, &compat_oid)) + return error(_("cannot map object %s to %s"), + oid_to_hex(oid), compat->name); + } hdrlen = format_object_header(hdr, sizeof(hdr), type, len); ret = write_loose_object(oid, hdr, hdrlen, buf, len, mtime, 0); + if (!ret && compat) + ret = repo_add_loose_object_map(the_repository, oid, &compat_oid); free(buf); return ret; diff --git a/object-name.c b/object-name.c index 3a2ef5d680..523af6f64f 100644 --- a/object-name.c +++ b/object-name.c @@ -23,6 +23,7 @@ #include "midx.h" #include "commit-reach.h" #include "date.h" +#include "object-file-convert.h" static int get_oid_oneline(struct repository *r, const char *, struct object_id *, struct commit_list *); @@ -47,6 +48,7 @@ struct disambiguate_state { static void update_candidates(struct disambiguate_state *ds, const struct object_id *current) { + /* The hash algorithm of current has already been filtered */ if (ds->always_call_fn) { ds->ambiguous = ds->fn(ds->repo, current, ds->cb_data) ? 1 : 0; return; @@ -132,6 +134,8 @@ static void unique_in_midx(struct multi_pack_index *m, { uint32_t num, i, first = 0; const struct object_id *current = NULL; + int len = ds->len > ds->repo->hash_algo->hexsz ? + ds->repo->hash_algo->hexsz : ds->len; num = m->num_objects; if (!num) @@ -147,7 +151,7 @@ static void unique_in_midx(struct multi_pack_index *m, for (i = first; i < num && !ds->ambiguous; i++) { struct object_id oid; current = nth_midxed_object_oid(&oid, m, i); - if (!match_hash(ds->len, ds->bin_pfx.hash, current->hash)) + if (!match_hash(len, ds->bin_pfx.hash, current->hash)) break; update_candidates(ds, current); } @@ -157,6 +161,8 @@ static void unique_in_pack(struct packed_git *p, struct disambiguate_state *ds) { uint32_t num, i, first = 0; + int len = ds->len > ds->repo->hash_algo->hexsz ? + ds->repo->hash_algo->hexsz : ds->len; if (p->multi_pack_index) return; @@ -175,7 +181,7 @@ static void unique_in_pack(struct packed_git *p, for (i = first; i < num && !ds->ambiguous; i++) { struct object_id oid; nth_packed_object_id(&oid, p, i); - if (!match_hash(ds->len, ds->bin_pfx.hash, oid.hash)) + if (!match_hash(len, ds->bin_pfx.hash, oid.hash)) break; update_candidates(ds, &oid); } @@ -186,6 +192,10 @@ static void find_short_packed_object(struct disambiguate_state *ds) struct multi_pack_index *m; struct packed_git *p; + /* Skip, unless oids from the storage hash algorithm are wanted */ + if (ds->bin_pfx.algo && (&hash_algos[ds->bin_pfx.algo] != ds->repo->hash_algo)) + return; + for (m = get_multi_pack_index(ds->repo); m && !ds->ambiguous; m = m->next) unique_in_midx(m, ds); @@ -324,11 +334,12 @@ int set_disambiguate_hint_config(const char *var, const char *value) static int init_object_disambiguation(struct repository *r, const char *name, int len, + const struct git_hash_algo *algo, struct disambiguate_state *ds) { int i; - if (len < MINIMUM_ABBREV || len > the_hash_algo->hexsz) + if (len < MINIMUM_ABBREV || len > GIT_MAX_HEXSZ) return -1; memset(ds, 0, sizeof(*ds)); @@ -355,6 +366,7 @@ static int init_object_disambiguation(struct repository *r, ds->len = len; ds->hex_pfx[len] = '\0'; ds->repo = r; + ds->bin_pfx.algo = algo ? hash_algo_by_ptr(algo) : GIT_HASH_UNKNOWN; prepare_alt_odb(r); return 0; } @@ -489,9 +501,10 @@ static int repo_collect_ambiguous(struct repository *r UNUSED, return collect_ambiguous(oid, data); } -static int sort_ambiguous(const void *a, const void *b, void *ctx) +static int sort_ambiguous(const void *va, const void *vb, void *ctx) { struct repository *sort_ambiguous_repo = ctx; + const struct object_id *a = va, *b = vb; int a_type = oid_object_info(sort_ambiguous_repo, a, NULL); int b_type = oid_object_info(sort_ambiguous_repo, b, NULL); int a_type_sort; @@ -501,8 +514,12 @@ static int sort_ambiguous(const void *a, const void *b, void *ctx) * Sorts by hash within the same object type, just as * oid_array_for_each_unique() would do. */ - if (a_type == b_type) - return oidcmp(a, b); + if (a_type == b_type) { + if (a->algo == b->algo) + return oidcmp(a, b); + else + return a->algo > b->algo ? 1 : -1; + } /* * Between object types show tags, then commits, and finally @@ -531,8 +548,12 @@ static enum get_oid_result get_short_oid(struct repository *r, int status; struct disambiguate_state ds; int quietly = !!(flags & GET_OID_QUIETLY); + const struct git_hash_algo *algo = r->hash_algo; - if (init_object_disambiguation(r, name, len, &ds) < 0) + if (flags & GET_OID_HASH_ANY) + algo = NULL; + + if (init_object_disambiguation(r, name, len, algo, &ds) < 0) return -1; if (HAS_MULTI_BITS(flags & GET_OID_DISAMBIGUATORS)) @@ -586,7 +607,7 @@ static enum get_oid_result get_short_oid(struct repository *r, if (!ds.ambiguous) ds.fn = NULL; - repo_for_each_abbrev(r, ds.hex_pfx, collect_ambiguous, &collect); + repo_for_each_abbrev(r, ds.hex_pfx, algo, collect_ambiguous, &collect); sort_ambiguous_oid_array(r, &collect); if (oid_array_for_each(&collect, show_ambiguous_object, &out)) @@ -608,13 +629,14 @@ static enum get_oid_result get_short_oid(struct repository *r, } int repo_for_each_abbrev(struct repository *r, const char *prefix, + const struct git_hash_algo *algo, each_abbrev_fn fn, void *cb_data) { struct oid_array collect = OID_ARRAY_INIT; struct disambiguate_state ds; int ret; - if (init_object_disambiguation(r, prefix, strlen(prefix), &ds) < 0) + if (init_object_disambiguation(r, prefix, strlen(prefix), algo, &ds) < 0) return -1; ds.always_call_fn = 1; @@ -785,10 +807,12 @@ void strbuf_add_unique_abbrev(struct strbuf *sb, const struct object_id *oid, int repo_find_unique_abbrev_r(struct repository *r, char *hex, const struct object_id *oid, int len) { + const struct git_hash_algo *algo = + oid->algo ? &hash_algos[oid->algo] : r->hash_algo; struct disambiguate_state ds; struct min_abbrev_data mad; struct object_id oid_ret; - const unsigned hexsz = r->hash_algo->hexsz; + const unsigned hexsz = algo->hexsz; if (len < 0) { unsigned long count = repo_approximate_object_count(r); @@ -824,7 +848,7 @@ int repo_find_unique_abbrev_r(struct repository *r, char *hex, find_abbrev_len_packed(&mad); - if (init_object_disambiguation(r, hex, mad.cur_len, &ds) < 0) + if (init_object_disambiguation(r, hex, mad.cur_len, algo, &ds) < 0) return -1; ds.fn = repo_extend_abbrev_len; @@ -1034,6 +1058,15 @@ static int get_oid_basic(struct repository *r, const char *str, int len, len, str, show_date(co_time, co_tz, DATE_MODE(RFC2822))); } + } else if (nth == co_cnt && !is_null_oid(oid)) { + /* + * We were asked for the Nth reflog (counting + * from 0), but there were only N entries. + * read_ref_at() will have returned "1" to tell + * us it did not find an entry, but it did + * still fill in the oid with the "old" value, + * which we can use. + */ } else { if (flags & GET_OID_QUIETLY) { exit(128); @@ -1479,7 +1512,7 @@ int repo_get_oid_mb(struct repository *r, struct object_id *oid) { struct commit *one, *two; - struct commit_list *mbs; + struct commit_list *mbs = NULL; struct object_id oid_tmp; const char *dots; int st; @@ -1507,7 +1540,10 @@ int repo_get_oid_mb(struct repository *r, two = lookup_commit_reference_gently(r, &oid_tmp, 0); if (!two) return -1; - mbs = repo_get_merge_bases(r, one, two); + if (repo_get_merge_bases(r, one, two, &mbs) < 0) { + free_commit_list(mbs); + return -1; + } if (!mbs || mbs->next) st = -1; else { diff --git a/object-name.h b/object-name.h index 9ae5223071..064ddc97d1 100644 --- a/object-name.h +++ b/object-name.h @@ -67,7 +67,8 @@ enum get_oid_result get_oid_with_context(struct repository *repo, const char *st typedef int each_abbrev_fn(const struct object_id *oid, void *); -int repo_for_each_abbrev(struct repository *r, const char *prefix, each_abbrev_fn, void *); +int repo_for_each_abbrev(struct repository *r, const char *prefix, + const struct git_hash_algo *algo, each_abbrev_fn, void *); int set_disambiguate_hint_config(const char *var, const char *value); diff --git a/object-store-ll.h b/object-store-ll.h index 26a3895c82..c5f2bb2fc2 100644 --- a/object-store-ll.h +++ b/object-store-ll.h @@ -26,6 +26,9 @@ struct object_directory { uint32_t loose_objects_subdir_seen[8]; /* 256 bits */ struct oidtree *loose_objects_cache; + /* Map between object IDs for loose objects. */ + struct loose_object_map *loose_map; + /* * This is a temporary object store created by the tmp_objdir * facility. Disable ref updates since the objects in the store @@ -252,11 +255,11 @@ void hash_object_file(const struct git_hash_algo *algo, const void *buf, int write_object_file_flags(const void *buf, unsigned long len, enum object_type type, struct object_id *oid, - unsigned flags); + struct object_id *comapt_oid_in, unsigned flags); static inline int write_object_file(const void *buf, unsigned long len, enum object_type type, struct object_id *oid) { - return write_object_file_flags(buf, len, type, oid, 0); + return write_object_file_flags(buf, len, type, oid, NULL, 0); } int write_object_file_literally(const void *buf, unsigned long len, @@ -13,6 +13,7 @@ #include "alloc.h" #include "packfile.h" #include "commit-graph.h" +#include "loose.h" unsigned int get_max_object_index(void) { @@ -47,8 +48,7 @@ int type_from_string_gently(const char *str, ssize_t len, int gentle) len = strlen(str); for (i = 1; i < ARRAY_SIZE(object_type_strings); i++) - if (!strncmp(str, object_type_strings[i], len) && - object_type_strings[i][len] == '\0') + if (!xstrncmpz(object_type_strings[i], str, len)) return i; if (gentle) @@ -272,6 +272,7 @@ struct object *parse_object_with_flags(struct repository *r, enum parse_object_flags flags) { int skip_hash = !!(flags & PARSE_OBJECT_SKIP_HASH_CHECK); + int discard_tree = !!(flags & PARSE_OBJECT_DISCARD_TREE); unsigned long size; enum object_type type; int eaten; @@ -299,6 +300,17 @@ struct object *parse_object_with_flags(struct repository *r, return lookup_object(r, oid); } + /* + * If the caller does not care about the tree buffer and does not + * care about checking the hash, we can simply verify that we + * have the on-disk object with the correct type. + */ + if (skip_hash && discard_tree && + (!obj || obj->type == OBJ_TREE) && + oid_object_info(r, oid, NULL) == OBJ_TREE) { + return &lookup_tree(r, oid)->object; + } + buffer = repo_read_object_file(r, oid, &type, &size); if (buffer) { if (!skip_hash && @@ -312,6 +324,8 @@ struct object *parse_object_with_flags(struct repository *r, buffer, &eaten); if (!eaten) free(buffer); + if (discard_tree && type == OBJ_TREE) + free_tree_buffer((struct tree *)obj); return obj; } return NULL; @@ -540,6 +554,7 @@ void free_object_directory(struct object_directory *odb) { free(odb->path); odb_clear_loose_cache(odb); + loose_object_map_clear(&odb->loose_map); free(odb); } @@ -190,6 +190,24 @@ void *create_object(struct repository *r, const struct object_id *oid, void *obj void *object_as_type(struct object *obj, enum object_type type, int quiet); + +static inline const char *parse_mode(const char *str, uint16_t *modep) +{ + unsigned char c; + unsigned int mode = 0; + + if (*str == ' ') + return NULL; + + while ((c = *str++) != ' ') { + if (c < '0' || c > '7') + return NULL; + mode = (mode << 3) + (c - '0'); + } + *modep = mode; + return str; +} + /* * Returns the object, having parsed it to find out what it is. * @@ -197,6 +215,7 @@ void *object_as_type(struct object *obj, enum object_type type, int quiet); */ enum parse_object_flags { PARSE_OBJECT_SKIP_HASH_CHECK = 1 << 0, + PARSE_OBJECT_DISCARD_TREE = 1 << 1, }; struct object *parse_object(struct repository *r, const struct object_id *oid); struct object *parse_object_with_flags(struct repository *r, diff --git a/oid-array.c b/oid-array.c index 8e4717746c..1f36651754 100644 --- a/oid-array.c +++ b/oid-array.c @@ -6,12 +6,20 @@ void oid_array_append(struct oid_array *array, const struct object_id *oid) { ALLOC_GROW(array->oid, array->nr + 1, array->alloc); oidcpy(&array->oid[array->nr++], oid); + if (!oid->algo) + oid_set_algo(&array->oid[array->nr - 1], the_hash_algo); array->sorted = 0; } -static int void_hashcmp(const void *a, const void *b) +static int void_hashcmp(const void *va, const void *vb) { - return oidcmp(a, b); + const struct object_id *a = va, *b = vb; + int ret; + if (a->algo == b->algo) + ret = oidcmp(a, b); + else + ret = a->algo > b->algo ? 1 : -1; + return ret; } void oid_array_sort(struct oid_array *array) @@ -23,6 +23,16 @@ int oidset_insert(struct oidset *set, const struct object_id *oid) return !added; } +void oidset_insert_from_set(struct oidset *dest, struct oidset *src) +{ + struct oidset_iter iter; + struct object_id *src_oid; + + oidset_iter_init(src, &iter); + while ((src_oid = oidset_iter_next(&iter))) + oidset_insert(dest, src_oid); +} + int oidset_remove(struct oidset *set, const struct object_id *oid) { khiter_t pos = kh_get_oid_set(&set->set, *oid); @@ -48,6 +48,12 @@ int oidset_contains(const struct oidset *set, const struct object_id *oid); int oidset_insert(struct oidset *set, const struct object_id *oid); /** + * Insert all the oids that are in set 'src' into set 'dest'; a copy + * is made of each oid inserted into set 'dest'. + */ +void oidset_insert_from_set(struct oidset *dest, struct oidset *src); + +/** * Remove the oid from the set. * * Returns 1 if the oid was present in the set, 0 otherwise. diff --git a/oss-fuzz/.gitignore b/oss-fuzz/.gitignore index 5b95408825..a877c11f42 100644 --- a/oss-fuzz/.gitignore +++ b/oss-fuzz/.gitignore @@ -1,4 +1,5 @@ fuzz-commit-graph +fuzz-config fuzz-date fuzz-pack-headers fuzz-pack-idx diff --git a/oss-fuzz/fuzz-config.c b/oss-fuzz/fuzz-config.c new file mode 100644 index 0000000000..94027f5b97 --- /dev/null +++ b/oss-fuzz/fuzz-config.c @@ -0,0 +1,33 @@ +#include "git-compat-util.h" +#include "config.h" + +int LLVMFuzzerTestOneInput(const uint8_t *, size_t); +static int config_parser_callback(const char *, const char *, + const struct config_context *, void *); + +static int config_parser_callback(const char *key, const char *value, + const struct config_context *ctx UNUSED, + void *data UNUSED) +{ + /* + * Visit every byte of memory we are given to make sure the parser + * gave it to us appropriately. We need to unconditionally return 0, + * but we also want to prevent the strlen from being optimized away. + */ + size_t c = strlen(key); + + if (value) + c += strlen(value); + return c == SIZE_MAX; +} + +int LLVMFuzzerTestOneInput(const uint8_t *data, const size_t size) +{ + struct config_options config_opts = { 0 }; + + config_opts.error_action = CONFIG_ERROR_SILENT; + git_config_from_mem(config_parser_callback, CONFIG_ORIGIN_BLOB, + "fuzztest-config", (const char *)data, size, NULL, + CONFIG_SCOPE_UNKNOWN, &config_opts); + return 0; +} diff --git a/pack-bitmap-write.c b/pack-bitmap-write.c index 990a9498d7..c6c8f94cc5 100644 --- a/pack-bitmap-write.c +++ b/pack-bitmap-write.c @@ -370,7 +370,7 @@ static int fill_bitmap_tree(struct bitmap *bitmap, if (parse_tree(tree) < 0) die("unable to load tree object %s", oid_to_hex(&tree->object.oid)); - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) { switch (object_type(entry.mode)) { diff --git a/packfile.c b/packfile.c index 84a005674d..d4df7fdeea 100644 --- a/packfile.c +++ b/packfile.c @@ -2249,7 +2249,8 @@ static int add_promisor_object(const struct object_id *oid, struct tree *tree = (struct tree *)obj; struct tree_desc desc; struct name_entry entry; - if (init_tree_desc_gently(&desc, tree->buffer, tree->size, 0)) + if (init_tree_desc_gently(&desc, &tree->object.oid, + tree->buffer, tree->size, 0)) /* * Error messages are given when packs are * verified, so do not print any here. diff --git a/parse-options.c b/parse-options.c index 63a99dea6e..30b9e68f8a 100644 --- a/parse-options.c +++ b/parse-options.c @@ -350,98 +350,107 @@ static int is_alias(struct parse_opt_ctx_t *ctx, return 0; } +struct parsed_option { + const struct option *option; + enum opt_parsed flags; +}; + +static void register_abbrev(struct parse_opt_ctx_t *p, + const struct option *option, enum opt_parsed flags, + struct parsed_option *abbrev, + struct parsed_option *ambiguous) +{ + if (p->flags & PARSE_OPT_KEEP_UNKNOWN_OPT) + return; + if (abbrev->option && + !(abbrev->flags == flags && is_alias(p, abbrev->option, option))) { + /* + * If this is abbreviated, it is + * ambiguous. So when there is no + * exact match later, we need to + * error out. + */ + ambiguous->option = abbrev->option; + ambiguous->flags = abbrev->flags; + } + abbrev->option = option; + abbrev->flags = flags; +} + static enum parse_opt_result parse_long_opt( struct parse_opt_ctx_t *p, const char *arg, const struct option *options) { const char *arg_end = strchrnul(arg, '='); - const struct option *abbrev_option = NULL, *ambiguous_option = NULL; - enum opt_parsed abbrev_flags = OPT_LONG, ambiguous_flags = OPT_LONG; - int allow_abbrev = !(p->flags & PARSE_OPT_KEEP_UNKNOWN_OPT); + const char *arg_start = arg; + enum opt_parsed flags = OPT_LONG; + int arg_starts_with_no_no = 0; + struct parsed_option abbrev = { .option = NULL, .flags = OPT_LONG }; + struct parsed_option ambiguous = { .option = NULL, .flags = OPT_LONG }; + + if (skip_prefix(arg_start, "no-", &arg_start)) { + if (skip_prefix(arg_start, "no-", &arg_start)) + arg_starts_with_no_no = 1; + else + flags |= OPT_UNSET; + } for (; options->type != OPTION_END; options++) { const char *rest, *long_name = options->long_name; - enum opt_parsed flags = OPT_LONG, opt_flags = OPT_LONG; + enum opt_parsed opt_flags = OPT_LONG; + int allow_unset = !(options->flags & PARSE_OPT_NONEG); if (options->type == OPTION_SUBCOMMAND) continue; if (!long_name) continue; - if (!starts_with(arg, "no-") && - !(options->flags & PARSE_OPT_NONEG) && - skip_prefix(long_name, "no-", &long_name)) + if (skip_prefix(long_name, "no-", &long_name)) opt_flags |= OPT_UNSET; + else if (arg_starts_with_no_no) + continue; - if (!skip_prefix(arg, long_name, &rest)) - rest = NULL; - if (!rest) { - /* abbreviated? */ - if (allow_abbrev && - !strncmp(long_name, arg, arg_end - arg)) { -is_abbreviated: - if (abbrev_option && - !is_alias(p, abbrev_option, options)) { - /* - * If this is abbreviated, it is - * ambiguous. So when there is no - * exact match later, we need to - * error out. - */ - ambiguous_option = abbrev_option; - ambiguous_flags = abbrev_flags; - } - if (!(flags & OPT_UNSET) && *arg_end) - p->opt = arg_end + 1; - abbrev_option = options; - abbrev_flags = flags ^ opt_flags; - continue; - } - /* negation allowed? */ - if (options->flags & PARSE_OPT_NONEG) - continue; - /* negated and abbreviated very much? */ - if (allow_abbrev && starts_with("no-", arg)) { - flags |= OPT_UNSET; - goto is_abbreviated; - } - /* negated? */ - if (!starts_with(arg, "no-")) - continue; - flags |= OPT_UNSET; - if (!skip_prefix(arg + 3, long_name, &rest)) { - /* abbreviated and negated? */ - if (allow_abbrev && - starts_with(long_name, arg + 3)) - goto is_abbreviated; - else - continue; - } - } - if (*rest) { - if (*rest != '=') + if (((flags ^ opt_flags) & OPT_UNSET) && !allow_unset) + continue; + + if (skip_prefix(arg_start, long_name, &rest)) { + if (*rest == '=') + p->opt = rest + 1; + else if (*rest) continue; - p->opt = rest + 1; + return get_value(p, options, flags ^ opt_flags); } - return get_value(p, options, flags ^ opt_flags); + + /* abbreviated? */ + if (!strncmp(long_name, arg_start, arg_end - arg_start)) + register_abbrev(p, options, flags ^ opt_flags, + &abbrev, &ambiguous); + + /* negated and abbreviated very much? */ + if (allow_unset && starts_with("no-", arg)) + register_abbrev(p, options, OPT_UNSET ^ opt_flags, + &abbrev, &ambiguous); } - if (disallow_abbreviated_options && (ambiguous_option || abbrev_option)) + if (disallow_abbreviated_options && (ambiguous.option || abbrev.option)) die("disallowed abbreviated or ambiguous option '%.*s'", (int)(arg_end - arg), arg); - if (ambiguous_option) { + if (ambiguous.option) { error(_("ambiguous option: %s " "(could be --%s%s or --%s%s)"), arg, - (ambiguous_flags & OPT_UNSET) ? "no-" : "", - ambiguous_option->long_name, - (abbrev_flags & OPT_UNSET) ? "no-" : "", - abbrev_option->long_name); + (ambiguous.flags & OPT_UNSET) ? "no-" : "", + ambiguous.option->long_name, + (abbrev.flags & OPT_UNSET) ? "no-" : "", + abbrev.option->long_name); return PARSE_OPT_HELP; } - if (abbrev_option) - return get_value(p, abbrev_option, abbrev_flags); + if (abbrev.option) { + if (*arg_end) + p->opt = arg_end + 1; + return get_value(p, abbrev.option, abbrev.flags); + } return PARSE_OPT_UNKNOWN; } @@ -871,7 +871,7 @@ const char *enter_repo(const char *path, int strict) return NULL; } -static int calc_shared_perm(int mode) +int calc_shared_perm(int mode) { int tweak; @@ -181,6 +181,7 @@ const char *git_path_shallow(struct repository *r); int ends_with_path_components(const char *path, const char *components); int validate_headref(const char *ref); +int calc_shared_perm(int mode); int adjust_shared_perm(const char *path); char *interpolate_path(const char *path, int real_home); @@ -1759,7 +1759,7 @@ static size_t format_commit_one(struct strbuf *sb, /* in UTF-8 */ goto trailer_out; } if (*arg == ')') { - format_trailers_from_commit(sb, msg + c->subject_off, &opts); + format_trailers_from_commit(&opts, msg + c->subject_off, sb); ret = arg - placeholder + 1; } trailer_out: diff --git a/ref-filter.c b/ref-filter.c index be14b56e32..03542d0236 100644 --- a/ref-filter.c +++ b/ref-filter.c @@ -1991,7 +1991,7 @@ static void grab_sub_body_contents(struct atom_value *val, int deref, struct exp struct strbuf s = STRBUF_INIT; /* Format the trailer info according to the trailer_opts given */ - format_trailers_from_commit(&s, subpos, &atom->u.contents.trailer_opts); + format_trailers_from_commit(&atom->u.contents.trailer_opts, subpos, &s); v->s = strbuf_detach(&s, NULL); } else if (atom->u.contents.option == C_BARE) @@ -2628,6 +2628,12 @@ static int for_each_fullref_in_pattern(struct ref_filter *filter, each_ref_fn cb, void *cb_data) { + if (filter->kind == FILTER_REFS_KIND_MASK) { + /* In this case, we want to print all refs including root refs. */ + return refs_for_each_include_root_refs(get_main_ref_store(the_repository), + cb, cb_data); + } + if (!filter->match_as_path) { /* * in this case, the patterns are applied after @@ -2750,6 +2756,9 @@ static int ref_kind_from_refname(const char *refname) return ref_kind[i].kind; } + if (is_pseudoref(get_main_ref_store(the_repository), refname)) + return FILTER_REFS_PSEUDOREFS; + return FILTER_REFS_OTHERS; } @@ -2781,7 +2790,16 @@ static struct ref_array_item *apply_ref_filter(const char *refname, const struct /* Obtain the current ref kind from filter_ref_kind() and ignore unwanted refs. */ kind = filter_ref_kind(filter, refname); - if (!(kind & filter->kind)) + + /* + * Generally HEAD refs are printed with special description denoting a rebase, + * detached state and so forth. This is useful when only printing the HEAD ref + * But when it is being printed along with other pseudorefs, it makes sense to + * keep the formatting consistent. So we mask the type to act like a pseudoref. + */ + if (filter->kind == FILTER_REFS_KIND_MASK && kind == FILTER_REFS_DETACHED_HEAD) + kind = FILTER_REFS_PSEUDOREFS; + else if (!(kind & filter->kind)) return NULL; if (!filter_pattern_match(filter, refname)) @@ -3047,9 +3065,15 @@ static int do_filter_refs(struct ref_filter *filter, unsigned int type, each_ref ret = for_each_fullref_in("refs/remotes/", fn, cb_data); else if (filter->kind == FILTER_REFS_TAGS) ret = for_each_fullref_in("refs/tags/", fn, cb_data); - else if (filter->kind & FILTER_REFS_ALL) + else if (filter->kind & FILTER_REFS_REGULAR) ret = for_each_fullref_in_pattern(filter, fn, cb_data); - if (!ret && (filter->kind & FILTER_REFS_DETACHED_HEAD)) + + /* + * When printing all ref types, HEAD is already included, + * so we don't want to print HEAD again. + */ + if (!ret && (filter->kind != FILTER_REFS_KIND_MASK) && + (filter->kind & FILTER_REFS_DETACHED_HEAD)) head_ref(fn, cb_data); } diff --git a/ref-filter.h b/ref-filter.h index 07cd6f6da3..0ca28d2bba 100644 --- a/ref-filter.h +++ b/ref-filter.h @@ -19,10 +19,13 @@ #define FILTER_REFS_BRANCHES 0x0004 #define FILTER_REFS_REMOTES 0x0008 #define FILTER_REFS_OTHERS 0x0010 -#define FILTER_REFS_ALL (FILTER_REFS_TAGS | FILTER_REFS_BRANCHES | \ +#define FILTER_REFS_REGULAR (FILTER_REFS_TAGS | FILTER_REFS_BRANCHES | \ FILTER_REFS_REMOTES | FILTER_REFS_OTHERS) #define FILTER_REFS_DETACHED_HEAD 0x0020 -#define FILTER_REFS_KIND_MASK (FILTER_REFS_ALL | FILTER_REFS_DETACHED_HEAD) +#define FILTER_REFS_PSEUDOREFS 0x0040 +#define FILTER_REFS_ROOT_REFS (FILTER_REFS_DETACHED_HEAD | FILTER_REFS_PSEUDOREFS) +#define FILTER_REFS_KIND_MASK (FILTER_REFS_REGULAR | FILTER_REFS_DETACHED_HEAD | \ + FILTER_REFS_PSEUDOREFS) struct atom_value; struct ref_sorting; @@ -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) || @@ -35,6 +35,7 @@ */ static const struct ref_storage_be *refs_backends[] = { [REF_STORAGE_FORMAT_FILES] = &refs_be_files, + [REF_STORAGE_FORMAT_REFTABLE] = &refs_be_reftable, }; static const struct ref_storage_be *find_ref_storage_backend(unsigned int ref_storage_format) @@ -859,6 +860,47 @@ static int is_pseudoref_syntax(const char *refname) return 1; } +int is_pseudoref(struct ref_store *refs, const char *refname) +{ + static const char *const irregular_pseudorefs[] = { + "AUTO_MERGE", + "BISECT_EXPECTED_REV", + "NOTES_MERGE_PARTIAL", + "NOTES_MERGE_REF", + "MERGE_AUTOSTASH", + }; + struct object_id oid; + size_t i; + + if (!is_pseudoref_syntax(refname)) + return 0; + + if (ends_with(refname, "_HEAD")) { + refs_resolve_ref_unsafe(refs, refname, + RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE, + &oid, NULL); + return !is_null_oid(&oid); + } + + for (i = 0; i < ARRAY_SIZE(irregular_pseudorefs); i++) + if (!strcmp(refname, irregular_pseudorefs[i])) { + refs_resolve_ref_unsafe(refs, refname, + RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE, + &oid, NULL); + return !is_null_oid(&oid); + } + + return 0; +} + +int is_headref(struct ref_store *refs, const char *refname) +{ + if (!strcmp(refname, "HEAD")) + return refs_ref_exists(refs, refname); + + return 0; +} + static int is_current_worktree_ref(const char *ref) { return is_pseudoref_syntax(ref) || is_per_worktree_ref(ref); } @@ -1038,55 +1080,40 @@ static int read_ref_at_ent(struct object_id *ooid, struct object_id *noid, const char *message, void *cb_data) { struct read_ref_at_cb *cb = cb_data; - int reached_count; cb->tz = tz; cb->date = timestamp; - /* - * It is not possible for cb->cnt == 0 on the first iteration because - * that special case is handled in read_ref_at(). - */ - if (cb->cnt > 0) - cb->cnt--; - reached_count = cb->cnt == 0 && !is_null_oid(ooid); - if (timestamp <= cb->at_time || reached_count) { + if (timestamp <= cb->at_time || cb->cnt == 0) { set_read_ref_cutoffs(cb, timestamp, tz, message); /* * we have not yet updated cb->[n|o]oid so they still * hold the values for the previous record. */ - if (!is_null_oid(&cb->ooid) && !oideq(&cb->ooid, noid)) - warning(_("log for ref %s has gap after %s"), + if (!is_null_oid(&cb->ooid)) { + oidcpy(cb->oid, noid); + if (!oideq(&cb->ooid, noid)) + warning(_("log for ref %s has gap after %s"), cb->refname, show_date(cb->date, cb->tz, DATE_MODE(RFC2822))); - if (reached_count) - oidcpy(cb->oid, ooid); - else if (!is_null_oid(&cb->ooid) || cb->date == cb->at_time) + } + else if (cb->date == cb->at_time) oidcpy(cb->oid, noid); else if (!oideq(noid, cb->oid)) warning(_("log for ref %s unexpectedly ended on %s"), cb->refname, show_date(cb->date, cb->tz, DATE_MODE(RFC2822))); + cb->reccnt++; + oidcpy(&cb->ooid, ooid); + oidcpy(&cb->noid, noid); cb->found_it = 1; + return 1; } cb->reccnt++; oidcpy(&cb->ooid, ooid); oidcpy(&cb->noid, noid); - return cb->found_it; -} - -static int read_ref_at_ent_newest(struct object_id *ooid UNUSED, - struct object_id *noid, - const char *email UNUSED, - timestamp_t timestamp, int tz, - const char *message, void *cb_data) -{ - struct read_ref_at_cb *cb = cb_data; - - set_read_ref_cutoffs(cb, timestamp, tz, message); - oidcpy(cb->oid, noid); - /* We just want the first entry */ - return 1; + if (cb->cnt > 0) + cb->cnt--; + return 0; } static int read_ref_at_ent_oldest(struct object_id *ooid, struct object_id *noid, @@ -1098,7 +1125,7 @@ static int read_ref_at_ent_oldest(struct object_id *ooid, struct object_id *noid set_read_ref_cutoffs(cb, timestamp, tz, message); oidcpy(cb->oid, ooid); - if (is_null_oid(cb->oid)) + if (cb->at_time && is_null_oid(cb->oid)) oidcpy(cb->oid, noid); /* We just want the first entry */ return 1; @@ -1121,14 +1148,24 @@ int read_ref_at(struct ref_store *refs, const char *refname, cb.cutoff_cnt = cutoff_cnt; cb.oid = oid; - if (cb.cnt == 0) { - refs_for_each_reflog_ent_reverse(refs, refname, read_ref_at_ent_newest, &cb); - return 0; - } - refs_for_each_reflog_ent_reverse(refs, refname, read_ref_at_ent, &cb); if (!cb.reccnt) { + if (cnt == 0) { + /* + * The caller asked for ref@{0}, and we had no entries. + * It's a bit subtle, but in practice all callers have + * prepped the "oid" field with the current value of + * the ref, which is the most reasonable fallback. + * + * We'll put dummy values into the out-parameters (so + * they're not just uninitialized garbage), and the + * caller can take our return value as a hint that + * we did not find any such reflog. + */ + set_read_ref_cutoffs(&cb, 0, 0, "empty reflog"); + return 1; + } if (flags & GET_OID_QUIETLY) exit(128); else @@ -1593,10 +1630,6 @@ struct ref_iterator *refs_ref_iterator_begin( if (trim) iter = prefix_ref_iterator_begin(iter, "", trim); - /* Sanity check for subclasses: */ - if (!iter->ordered) - BUG("reference iterator is not ordered"); - return iter; } @@ -1723,6 +1756,13 @@ int for_each_rawref(each_ref_fn fn, void *cb_data) return refs_for_each_rawref(get_main_ref_store(the_repository), fn, cb_data); } +int refs_for_each_include_root_refs(struct ref_store *refs, each_ref_fn fn, + void *cb_data) +{ + return do_for_each_ref(refs, "", NULL, fn, 0, + DO_FOR_EACH_INCLUDE_ROOT_REFS, cb_data); +} + static int qsort_strcmp(const void *va, const void *vb) { const char *a = *(const char **)va; @@ -2515,18 +2555,33 @@ cleanup: return ret; } -int refs_for_each_reflog(struct ref_store *refs, each_ref_fn fn, void *cb_data) +struct do_for_each_reflog_help { + each_reflog_fn *fn; + void *cb_data; +}; + +static int do_for_each_reflog_helper(struct repository *r UNUSED, + const char *refname, + const struct object_id *oid UNUSED, + int flags, + void *cb_data) +{ + struct do_for_each_reflog_help *hp = cb_data; + return hp->fn(refname, hp->cb_data); +} + +int refs_for_each_reflog(struct ref_store *refs, each_reflog_fn fn, void *cb_data) { struct ref_iterator *iter; - struct do_for_each_ref_help hp = { fn, cb_data }; + struct do_for_each_reflog_help hp = { fn, cb_data }; iter = refs->be->reflog_iterator_begin(refs); return do_for_each_repo_ref_iterator(the_repository, iter, - do_for_each_ref_helper, &hp); + do_for_each_reflog_helper, &hp); } -int for_each_reflog(each_ref_fn fn, void *cb_data) +int for_each_reflog(each_reflog_fn fn, void *cb_data) { return refs_for_each_reflog(get_main_ref_store(the_repository), fn, cb_data); } @@ -399,6 +399,12 @@ int refs_for_each_rawref(struct ref_store *refs, each_ref_fn fn, void *cb_data); int for_each_rawref(each_ref_fn fn, void *cb_data); /* + * Iterates over all refs including root refs, i.e. pseudorefs and HEAD. + */ +int refs_for_each_include_root_refs(struct ref_store *refs, each_ref_fn fn, + void *cb_data); + +/* * Normalizes partial refs to their fully qualified form. * Will prepend <prefix> to the <pattern> if it doesn't start with 'refs/'. * <prefix> will default to 'refs/' if NULL. @@ -440,7 +446,20 @@ int refs_create_reflog(struct ref_store *refs, const char *refname, struct strbuf *err); int safe_create_reflog(const char *refname, struct strbuf *err); -/** Reads log for the value of ref during at_time. **/ +/** + * Reads log for the value of ref during at_time (in which case "cnt" should be + * negative) or the reflog "cnt" entries from the top (in which case "at_time" + * should be 0). + * + * If we found the reflog entry in question, returns 0 (and details of the + * entry can be found in the out-parameters). + * + * If we ran out of reflog entries, the out-parameters are filled with the + * details of the oldest entry we did find, and the function returns 1. Note + * that there is one important special case here! If the reflog was empty + * and the caller asked for the 0-th cnt, we will return "1" but leave the + * "oid" field untouched. + **/ int read_ref_at(struct ref_store *refs, const char *refname, unsigned int flags, timestamp_t at_time, int cnt, @@ -535,11 +554,18 @@ int for_each_reflog_ent(const char *refname, each_reflog_ent_fn fn, void *cb_dat int for_each_reflog_ent_reverse(const char *refname, each_reflog_ent_fn fn, void *cb_data); /* + * The signature for the callback function for the {refs_,}for_each_reflog() + * functions below. The memory pointed to by the refname argument is only + * guaranteed to be valid for the duration of a single callback invocation. + */ +typedef int each_reflog_fn(const char *refname, void *cb_data); + +/* * Calls the specified function for each reflog file until it returns nonzero, * and returns the value. Reflog file order is unspecified. */ -int refs_for_each_reflog(struct ref_store *refs, each_ref_fn fn, void *cb_data); -int for_each_reflog(each_ref_fn fn, void *cb_data); +int refs_for_each_reflog(struct ref_store *refs, each_reflog_fn fn, void *cb_data); +int for_each_reflog(each_reflog_fn fn, void *cb_data); #define REFNAME_ALLOW_ONELEVEL 1 #define REFNAME_REFSPEC_PATTERN 2 @@ -1023,4 +1049,7 @@ extern struct ref_namespace_info ref_namespace[NAMESPACE__COUNT]; */ void update_ref_namespace(enum ref_namespace namespace, char *ref); +int is_pseudoref(struct ref_store *refs, const char *refname); +int is_headref(struct ref_store *refs, const char *refname); + #endif /* REFS_H */ diff --git a/refs/debug.c b/refs/debug.c index 634681ca44..c7531b17f0 100644 --- a/refs/debug.c +++ b/refs/debug.c @@ -181,7 +181,6 @@ static int debug_ref_iterator_advance(struct ref_iterator *ref_iterator) trace_printf_key(&trace_refs, "iterator_advance: %s (0)\n", diter->iter->refname); - diter->base.ordered = diter->iter->ordered; diter->base.refname = diter->iter->refname; diter->base.oid = diter->iter->oid; diter->base.flags = diter->iter->flags; @@ -222,7 +221,7 @@ debug_ref_iterator_begin(struct ref_store *ref_store, const char *prefix, drefs->refs->be->iterator_begin(drefs->refs, prefix, exclude_patterns, flags); struct debug_ref_iterator *diter = xcalloc(1, sizeof(*diter)); - base_ref_iterator_init(&diter->base, &debug_ref_iterator_vtable, 1); + base_ref_iterator_init(&diter->base, &debug_ref_iterator_vtable); diter->iter = res; trace_printf_key(&trace_refs, "ref_iterator_begin: \"%s\" (0x%x)\n", prefix, flags); diff --git a/refs/files-backend.c b/refs/files-backend.c index 75dcc21ecb..a098d14ea0 100644 --- a/refs/files-backend.c +++ b/refs/files-backend.c @@ -229,6 +229,38 @@ static void add_per_worktree_entries_to_dir(struct ref_dir *dir, const char *dir } } +static void loose_fill_ref_dir_regular_file(struct files_ref_store *refs, + const char *refname, + struct ref_dir *dir) +{ + struct object_id oid; + int flag; + + if (!refs_resolve_ref_unsafe(&refs->base, refname, RESOLVE_REF_READING, + &oid, &flag)) { + oidclr(&oid); + flag |= REF_ISBROKEN; + } else if (is_null_oid(&oid)) { + /* + * It is so astronomically unlikely + * that null_oid is the OID of an + * actual object that we consider its + * appearance in a loose reference + * file to be repo corruption + * (probably due to a software bug). + */ + flag |= REF_ISBROKEN; + } + + if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL)) { + if (!refname_is_safe(refname)) + die("loose refname is dangerous: %s", refname); + oidclr(&oid); + flag |= REF_BAD_NAME | REF_ISBROKEN; + } + add_entry_to_dir(dir, create_ref_entry(refname, &oid, flag)); +} + /* * Read the loose references from the namespace dirname into dir * (without recursing). dirname must end with '/'. dir must be the @@ -257,8 +289,6 @@ static void loose_fill_ref_dir(struct ref_store *ref_store, strbuf_add(&refname, dirname, dirnamelen); while ((de = readdir(d)) != NULL) { - struct object_id oid; - int flag; unsigned char dtype; if (de->d_name[0] == '.') @@ -274,33 +304,7 @@ static void loose_fill_ref_dir(struct ref_store *ref_store, create_dir_entry(dir->cache, refname.buf, refname.len)); } else if (dtype == DT_REG) { - if (!refs_resolve_ref_unsafe(&refs->base, - refname.buf, - RESOLVE_REF_READING, - &oid, &flag)) { - oidclr(&oid); - flag |= REF_ISBROKEN; - } else if (is_null_oid(&oid)) { - /* - * It is so astronomically unlikely - * that null_oid is the OID of an - * actual object that we consider its - * appearance in a loose reference - * file to be repo corruption - * (probably due to a software bug). - */ - flag |= REF_ISBROKEN; - } - - if (check_refname_format(refname.buf, - REFNAME_ALLOW_ONELEVEL)) { - if (!refname_is_safe(refname.buf)) - die("loose refname is dangerous: %s", refname.buf); - oidclr(&oid); - flag |= REF_BAD_NAME | REF_ISBROKEN; - } - add_entry_to_dir(dir, - create_ref_entry(refname.buf, &oid, flag)); + loose_fill_ref_dir_regular_file(refs, refname.buf, dir); } strbuf_setlen(&refname, dirnamelen); } @@ -311,9 +315,59 @@ static void loose_fill_ref_dir(struct ref_store *ref_store, add_per_worktree_entries_to_dir(dir, dirname); } -static struct ref_cache *get_loose_ref_cache(struct files_ref_store *refs) +/* + * Add pseudorefs to the ref dir by parsing the directory for any files + * which follow the pseudoref syntax. + */ +static void add_pseudoref_and_head_entries(struct ref_store *ref_store, + struct ref_dir *dir, + const char *dirname) +{ + struct files_ref_store *refs = + files_downcast(ref_store, REF_STORE_READ, "fill_ref_dir"); + struct strbuf path = STRBUF_INIT, refname = STRBUF_INIT; + struct dirent *de; + size_t dirnamelen; + DIR *d; + + files_ref_path(refs, &path, dirname); + + d = opendir(path.buf); + if (!d) { + strbuf_release(&path); + return; + } + + strbuf_addstr(&refname, dirname); + dirnamelen = refname.len; + + while ((de = readdir(d)) != NULL) { + unsigned char dtype; + + if (de->d_name[0] == '.') + continue; + if (ends_with(de->d_name, ".lock")) + continue; + strbuf_addstr(&refname, de->d_name); + + dtype = get_dtype(de, &path, 1); + if (dtype == DT_REG && (is_pseudoref(ref_store, de->d_name) || + is_headref(ref_store, de->d_name))) + loose_fill_ref_dir_regular_file(refs, refname.buf, dir); + + strbuf_setlen(&refname, dirnamelen); + } + strbuf_release(&refname); + strbuf_release(&path); + closedir(d); +} + +static struct ref_cache *get_loose_ref_cache(struct files_ref_store *refs, + unsigned int flags) { if (!refs->loose) { + struct ref_dir *dir; + /* * Mark the top-level directory complete because we * are about to read the only subdirectory that can @@ -324,12 +378,17 @@ static struct ref_cache *get_loose_ref_cache(struct files_ref_store *refs) /* We're going to fill the top level ourselves: */ refs->loose->root->flag &= ~REF_INCOMPLETE; + dir = get_ref_dir(refs->loose->root); + + if (flags & DO_FOR_EACH_INCLUDE_ROOT_REFS) + add_pseudoref_and_head_entries(dir->cache->ref_store, dir, + refs->loose->root->name); + /* * Add an incomplete entry for "refs/" (to be filled * lazily): */ - add_entry_to_dir(get_ref_dir(refs->loose->root), - create_dir_entry(refs->loose, "refs/", 5)); + add_entry_to_dir(dir, create_dir_entry(refs->loose, "refs/", 5)); } return refs->loose; } @@ -857,7 +916,7 @@ static struct ref_iterator *files_ref_iterator_begin( * disk, and re-reads it if not. */ - loose_iter = cache_ref_iterator_begin(get_loose_ref_cache(refs), + loose_iter = cache_ref_iterator_begin(get_loose_ref_cache(refs, flags), prefix, ref_store->repo, 1); /* @@ -879,8 +938,7 @@ static struct ref_iterator *files_ref_iterator_begin( CALLOC_ARRAY(iter, 1); ref_iterator = &iter->base; - base_ref_iterator_init(ref_iterator, &files_ref_iterator_vtable, - overlay_iter->ordered); + base_ref_iterator_init(ref_iterator, &files_ref_iterator_vtable); iter->iter0 = overlay_iter; iter->repo = ref_store->repo; iter->flags = flags; @@ -1218,7 +1276,7 @@ static int files_pack_refs(struct ref_store *ref_store, packed_refs_lock(refs->packed_ref_store, LOCK_DIE_ON_ERROR, &err); - iter = cache_ref_iterator_begin(get_loose_ref_cache(refs), NULL, + iter = cache_ref_iterator_begin(get_loose_ref_cache(refs, 0), NULL, the_repository, 0); while ((ok = ref_iterator_advance(iter)) == ITER_OK) { /* @@ -2116,10 +2174,8 @@ static int files_for_each_reflog_ent(struct ref_store *ref_store, struct files_reflog_iterator { struct ref_iterator base; - struct ref_store *ref_store; struct dir_iterator *dir_iterator; - struct object_id oid; }; static int files_reflog_iterator_advance(struct ref_iterator *ref_iterator) @@ -2130,25 +2186,13 @@ static int files_reflog_iterator_advance(struct ref_iterator *ref_iterator) int ok; while ((ok = dir_iterator_advance(diter)) == ITER_OK) { - int flags; - if (!S_ISREG(diter->st.st_mode)) continue; - if (diter->basename[0] == '.') + if (check_refname_format(diter->basename, + REFNAME_ALLOW_ONELEVEL)) continue; - if (ends_with(diter->basename, ".lock")) - continue; - - if (!refs_resolve_ref_unsafe(iter->ref_store, - diter->relative_path, 0, - &iter->oid, &flags)) { - error("bad ref for %s", diter->path.buf); - continue; - } iter->base.refname = diter->relative_path; - iter->base.oid = &iter->oid; - iter->base.flags = flags; return ITER_OK; } @@ -2193,7 +2237,7 @@ static struct ref_iterator *reflog_iterator_begin(struct ref_store *ref_store, strbuf_addf(&sb, "%s/logs", gitdir); - diter = dir_iterator_begin(sb.buf, 0); + diter = dir_iterator_begin(sb.buf, DIR_ITERATOR_SORTED); if (!diter) { strbuf_release(&sb); return empty_ref_iterator_begin(); @@ -2202,7 +2246,7 @@ static struct ref_iterator *reflog_iterator_begin(struct ref_store *ref_store, CALLOC_ARRAY(iter, 1); ref_iterator = &iter->base; - base_ref_iterator_init(ref_iterator, &files_reflog_iterator_vtable, 0); + base_ref_iterator_init(ref_iterator, &files_reflog_iterator_vtable); iter->dir_iterator = diter; iter->ref_store = ref_store; strbuf_release(&sb); @@ -2210,32 +2254,6 @@ static struct ref_iterator *reflog_iterator_begin(struct ref_store *ref_store, return ref_iterator; } -static enum iterator_selection reflog_iterator_select( - struct ref_iterator *iter_worktree, - struct ref_iterator *iter_common, - void *cb_data UNUSED) -{ - if (iter_worktree) { - /* - * We're a bit loose here. We probably should ignore - * common refs if they are accidentally added as - * per-worktree refs. - */ - return ITER_SELECT_0; - } else if (iter_common) { - if (parse_worktree_ref(iter_common->refname, NULL, NULL, - NULL) == REF_WORKTREE_SHARED) - return ITER_SELECT_1; - - /* - * The main ref store may contain main worktree's - * per-worktree refs, which should be ignored - */ - return ITER_SKIP_1; - } else - return ITER_DONE; -} - static struct ref_iterator *files_reflog_iterator_begin(struct ref_store *ref_store) { struct files_ref_store *refs = @@ -2246,9 +2264,9 @@ static struct ref_iterator *files_reflog_iterator_begin(struct ref_store *ref_st return reflog_iterator_begin(ref_store, refs->gitcommondir); } else { return merge_ref_iterator_begin( - 0, reflog_iterator_begin(ref_store, refs->base.gitdir), + reflog_iterator_begin(ref_store, refs->base.gitdir), reflog_iterator_begin(ref_store, refs->gitcommondir), - reflog_iterator_select, refs); + ref_iterator_select, refs); } } diff --git a/refs/iterator.c b/refs/iterator.c index 6b680f610e..9db8b056d5 100644 --- a/refs/iterator.c +++ b/refs/iterator.c @@ -25,11 +25,9 @@ int ref_iterator_abort(struct ref_iterator *ref_iterator) } void base_ref_iterator_init(struct ref_iterator *iter, - struct ref_iterator_vtable *vtable, - int ordered) + struct ref_iterator_vtable *vtable) { iter->vtable = vtable; - iter->ordered = !!ordered; iter->refname = NULL; iter->oid = NULL; iter->flags = 0; @@ -74,7 +72,7 @@ struct ref_iterator *empty_ref_iterator_begin(void) struct empty_ref_iterator *iter = xcalloc(1, sizeof(*iter)); struct ref_iterator *ref_iterator = &iter->base; - base_ref_iterator_init(ref_iterator, &empty_ref_iterator_vtable, 1); + base_ref_iterator_init(ref_iterator, &empty_ref_iterator_vtable); return ref_iterator; } @@ -98,6 +96,49 @@ struct merge_ref_iterator { struct ref_iterator **current; }; +enum iterator_selection ref_iterator_select(struct ref_iterator *iter_worktree, + struct ref_iterator *iter_common, + void *cb_data UNUSED) +{ + if (iter_worktree && !iter_common) { + /* + * Return the worktree ref if there are no more common refs. + */ + return ITER_SELECT_0; + } else if (iter_common) { + /* + * In case we have pending worktree and common refs we need to + * yield them based on their lexicographical order. Worktree + * refs that have the same name as common refs shadow the + * latter. + */ + if (iter_worktree) { + int cmp = strcmp(iter_worktree->refname, + iter_common->refname); + if (cmp < 0) + return ITER_SELECT_0; + else if (!cmp) + return ITER_SELECT_0_SKIP_1; + } + + /* + * We now know that the lexicographically-next ref is a common + * ref. When the common ref is a shared one we return it. + */ + if (parse_worktree_ref(iter_common->refname, NULL, NULL, + NULL) == REF_WORKTREE_SHARED) + return ITER_SELECT_1; + + /* + * Otherwise, if the common ref is a per-worktree ref we skip + * it because it would belong to the main worktree, not ours. + */ + return ITER_SKIP_1; + } else { + return ITER_DONE; + } +} + static int merge_ref_iterator_advance(struct ref_iterator *ref_iterator) { struct merge_ref_iterator *iter = @@ -207,7 +248,6 @@ static struct ref_iterator_vtable merge_ref_iterator_vtable = { }; struct ref_iterator *merge_ref_iterator_begin( - int ordered, struct ref_iterator *iter0, struct ref_iterator *iter1, ref_iterator_select_fn *select, void *cb_data) { @@ -222,7 +262,7 @@ struct ref_iterator *merge_ref_iterator_begin( * references through only if they exist in both iterators. */ - base_ref_iterator_init(ref_iterator, &merge_ref_iterator_vtable, ordered); + base_ref_iterator_init(ref_iterator, &merge_ref_iterator_vtable); iter->iter0 = iter0; iter->iter1 = iter1; iter->select = select; @@ -271,12 +311,9 @@ struct ref_iterator *overlay_ref_iterator_begin( } else if (is_empty_ref_iterator(back)) { ref_iterator_abort(back); return front; - } else if (!front->ordered || !back->ordered) { - BUG("overlay_ref_iterator requires ordered inputs"); } - return merge_ref_iterator_begin(1, front, back, - overlay_iterator_select, NULL); + return merge_ref_iterator_begin(front, back, overlay_iterator_select, NULL); } struct prefix_ref_iterator { @@ -315,16 +352,12 @@ static int prefix_ref_iterator_advance(struct ref_iterator *ref_iterator) if (cmp > 0) { /* - * If the source iterator is ordered, then we + * As the source iterator is ordered, we * can stop the iteration as soon as we see a * refname that comes after the prefix: */ - if (iter->iter0->ordered) { - ok = ref_iterator_abort(iter->iter0); - break; - } else { - continue; - } + ok = ref_iterator_abort(iter->iter0); + break; } if (iter->trim) { @@ -396,7 +429,7 @@ struct ref_iterator *prefix_ref_iterator_begin(struct ref_iterator *iter0, CALLOC_ARRAY(iter, 1); ref_iterator = &iter->base; - base_ref_iterator_init(ref_iterator, &prefix_ref_iterator_vtable, iter0->ordered); + base_ref_iterator_init(ref_iterator, &prefix_ref_iterator_vtable); iter->iter0 = iter0; iter->prefix = xstrdup(prefix); diff --git a/refs/packed-backend.c b/refs/packed-backend.c index a499a91c7e..4e826c05ff 100644 --- a/refs/packed-backend.c +++ b/refs/packed-backend.c @@ -1111,7 +1111,7 @@ static struct ref_iterator *packed_ref_iterator_begin( CALLOC_ARRAY(iter, 1); ref_iterator = &iter->base; - base_ref_iterator_init(ref_iterator, &packed_ref_iterator_vtable, 1); + base_ref_iterator_init(ref_iterator, &packed_ref_iterator_vtable); if (exclude_patterns) populate_excluded_jump_list(iter, snapshot, exclude_patterns); diff --git a/refs/ref-cache.c b/refs/ref-cache.c index a372a00941..9f9797209a 100644 --- a/refs/ref-cache.c +++ b/refs/ref-cache.c @@ -486,7 +486,7 @@ struct ref_iterator *cache_ref_iterator_begin(struct ref_cache *cache, CALLOC_ARRAY(iter, 1); ref_iterator = &iter->base; - base_ref_iterator_init(ref_iterator, &cache_ref_iterator_vtable, 1); + base_ref_iterator_init(ref_iterator, &cache_ref_iterator_vtable); ALLOC_GROW(iter->levels, 10, iter->levels_alloc); iter->levels_nr = 1; diff --git a/refs/refs-internal.h b/refs/refs-internal.h index 82219829b0..56641aa57a 100644 --- a/refs/refs-internal.h +++ b/refs/refs-internal.h @@ -260,6 +260,12 @@ enum do_for_each_ref_flags { * INCLUDE_BROKEN, since they are otherwise not included at all. */ DO_FOR_EACH_OMIT_DANGLING_SYMREFS = (1 << 2), + + /* + * Include root refs i.e. HEAD and pseudorefs along with the regular + * refs. + */ + DO_FOR_EACH_INCLUDE_ROOT_REFS = (1 << 3), }; /* @@ -312,13 +318,6 @@ enum do_for_each_ref_flags { */ struct ref_iterator { struct ref_iterator_vtable *vtable; - - /* - * Does this `ref_iterator` iterate over references in order - * by refname? - */ - unsigned int ordered : 1; - const char *refname; const struct object_id *oid; unsigned int flags; @@ -387,14 +386,21 @@ typedef enum iterator_selection ref_iterator_select_fn( void *cb_data); /* + * An implementation of ref_iterator_select_fn that merges worktree and common + * refs. Per-worktree refs from the common iterator are ignored, worktree refs + * override common refs. Refs are selected lexicographically. + */ +enum iterator_selection ref_iterator_select(struct ref_iterator *iter_worktree, + struct ref_iterator *iter_common, + void *cb_data); + +/* * Iterate over the entries from iter0 and iter1, with the values * interleaved as directed by the select function. The iterator takes * ownership of iter0 and iter1 and frees them when the iteration is - * over. A derived class should set `ordered` to 1 or 0 based on - * whether it generates its output in order by reference name. + * over. */ struct ref_iterator *merge_ref_iterator_begin( - int ordered, struct ref_iterator *iter0, struct ref_iterator *iter1, ref_iterator_select_fn *select, void *cb_data); @@ -423,8 +429,6 @@ struct ref_iterator *overlay_ref_iterator_begin( * As an convenience to callers, if prefix is the empty string and * trim is zero, this function returns iter0 directly, without * wrapping it. - * - * The resulting ref_iterator is ordered if iter0 is. */ struct ref_iterator *prefix_ref_iterator_begin(struct ref_iterator *iter0, const char *prefix, @@ -435,14 +439,11 @@ struct ref_iterator *prefix_ref_iterator_begin(struct ref_iterator *iter0, /* * Base class constructor for ref_iterators. Initialize the * ref_iterator part of iter, setting its vtable pointer as specified. - * `ordered` should be set to 1 if the iterator will iterate over - * references in order by refname; otherwise it should be set to 0. * This is meant to be called only by the initializers of derived * classes. */ void base_ref_iterator_init(struct ref_iterator *iter, - struct ref_iterator_vtable *vtable, - int ordered); + struct ref_iterator_vtable *vtable); /* * Base class destructor for ref_iterators. Destroy the ref_iterator @@ -693,6 +694,7 @@ struct ref_storage_be { }; extern struct ref_storage_be refs_be_files; +extern struct ref_storage_be refs_be_reftable; extern struct ref_storage_be refs_be_packed; /* diff --git a/refs/reftable-backend.c b/refs/reftable-backend.c new file mode 100644 index 0000000000..e206d5a073 --- /dev/null +++ b/refs/reftable-backend.c @@ -0,0 +1,2232 @@ +#include "../git-compat-util.h" +#include "../abspath.h" +#include "../chdir-notify.h" +#include "../environment.h" +#include "../gettext.h" +#include "../hash.h" +#include "../hex.h" +#include "../iterator.h" +#include "../ident.h" +#include "../lockfile.h" +#include "../object.h" +#include "../path.h" +#include "../refs.h" +#include "../reftable/reftable-stack.h" +#include "../reftable/reftable-record.h" +#include "../reftable/reftable-error.h" +#include "../reftable/reftable-iterator.h" +#include "../reftable/reftable-merged.h" +#include "../setup.h" +#include "../strmap.h" +#include "refs-internal.h" + +/* + * Used as a flag in ref_update::flags when the ref_update was via an + * update to HEAD. + */ +#define REF_UPDATE_VIA_HEAD (1 << 8) + +struct reftable_ref_store { + struct ref_store base; + + /* + * The main stack refers to the common dir and thus contains common + * refs as well as refs of the main repository. + */ + struct reftable_stack *main_stack; + /* + * The worktree stack refers to the gitdir in case the refdb is opened + * via a worktree. It thus contains the per-worktree refs. + */ + struct reftable_stack *worktree_stack; + /* + * Map of worktree stacks by their respective worktree names. The map + * is populated lazily when we try to resolve `worktrees/$worktree` refs. + */ + struct strmap worktree_stacks; + struct reftable_write_options write_options; + + unsigned int store_flags; + int err; +}; + +/* + * Downcast ref_store to reftable_ref_store. Die if ref_store is not a + * reftable_ref_store. required_flags is compared with ref_store's store_flags + * to ensure the ref_store has all required capabilities. "caller" is used in + * any necessary error messages. + */ +static struct reftable_ref_store *reftable_be_downcast(struct ref_store *ref_store, + unsigned int required_flags, + const char *caller) +{ + struct reftable_ref_store *refs; + + if (ref_store->be != &refs_be_reftable) + BUG("ref_store is type \"%s\" not \"reftables\" in %s", + ref_store->be->name, caller); + + refs = (struct reftable_ref_store *)ref_store; + + if ((refs->store_flags & required_flags) != required_flags) + BUG("operation %s requires abilities 0x%x, but only have 0x%x", + caller, required_flags, refs->store_flags); + + return refs; +} + +/* + * Some refs are global to the repository (refs/heads/{*}), while others are + * local to the worktree (eg. HEAD, refs/bisect/{*}). We solve this by having + * multiple separate databases (ie. multiple reftable/ directories), one for + * the shared refs, one for the current worktree refs, and one for each + * additional worktree. For reading, we merge the view of both the shared and + * the current worktree's refs, when necessary. + * + * This function also optionally assigns the rewritten reference name that is + * local to the stack. This translation is required when using worktree refs + * like `worktrees/$worktree/refs/heads/foo` as worktree stacks will store + * those references in their normalized form. + */ +static struct reftable_stack *stack_for(struct reftable_ref_store *store, + const char *refname, + const char **rewritten_ref) +{ + const char *wtname; + int wtname_len; + + if (!refname) + return store->main_stack; + + switch (parse_worktree_ref(refname, &wtname, &wtname_len, rewritten_ref)) { + case REF_WORKTREE_OTHER: { + static struct strbuf wtname_buf = STRBUF_INIT; + struct strbuf wt_dir = STRBUF_INIT; + struct reftable_stack *stack; + + /* + * We're using a static buffer here so that we don't need to + * allocate the worktree name whenever we look up a reference. + * This could be avoided if the strmap interface knew how to + * handle keys with a length. + */ + strbuf_reset(&wtname_buf); + strbuf_add(&wtname_buf, wtname, wtname_len); + + /* + * There is an edge case here: when the worktree references the + * current worktree, then we set up the stack once via + * `worktree_stacks` and once via `worktree_stack`. This is + * wasteful, but in the reading case it shouldn't matter. And + * in the writing case we would notice that the stack is locked + * already and error out when trying to write a reference via + * both stacks. + */ + stack = strmap_get(&store->worktree_stacks, wtname_buf.buf); + if (!stack) { + strbuf_addf(&wt_dir, "%s/worktrees/%s/reftable", + store->base.repo->commondir, wtname_buf.buf); + + store->err = reftable_new_stack(&stack, wt_dir.buf, + store->write_options); + assert(store->err != REFTABLE_API_ERROR); + strmap_put(&store->worktree_stacks, wtname_buf.buf, stack); + } + + strbuf_release(&wt_dir); + return stack; + } + case REF_WORKTREE_CURRENT: + /* + * If there is no worktree stack then we're currently in the + * main worktree. We thus return the main stack in that case. + */ + if (!store->worktree_stack) + return store->main_stack; + return store->worktree_stack; + case REF_WORKTREE_MAIN: + case REF_WORKTREE_SHARED: + return store->main_stack; + default: + BUG("unhandled worktree reference type"); + } +} + +static int should_write_log(struct ref_store *refs, const char *refname) +{ + if (log_all_ref_updates == LOG_REFS_UNSET) + log_all_ref_updates = is_bare_repository() ? LOG_REFS_NONE : LOG_REFS_NORMAL; + + switch (log_all_ref_updates) { + case LOG_REFS_NONE: + return refs_reflog_exists(refs, refname); + case LOG_REFS_ALWAYS: + return 1; + case LOG_REFS_NORMAL: + if (should_autocreate_reflog(refname)) + return 1; + return refs_reflog_exists(refs, refname); + default: + BUG("unhandled core.logAllRefUpdates value %d", log_all_ref_updates); + } +} + +static void fill_reftable_log_record(struct reftable_log_record *log) +{ + const char *info = git_committer_info(0); + struct ident_split split = {0}; + int sign = 1; + + if (split_ident_line(&split, info, strlen(info))) + BUG("failed splitting committer info"); + + reftable_log_record_release(log); + log->value_type = REFTABLE_LOG_UPDATE; + log->value.update.name = + xstrndup(split.name_begin, split.name_end - split.name_begin); + log->value.update.email = + xstrndup(split.mail_begin, split.mail_end - split.mail_begin); + log->value.update.time = atol(split.date_begin); + if (*split.tz_begin == '-') { + sign = -1; + split.tz_begin++; + } + if (*split.tz_begin == '+') { + sign = 1; + split.tz_begin++; + } + + log->value.update.tz_offset = sign * atoi(split.tz_begin); +} + +static int read_ref_without_reload(struct reftable_stack *stack, + const char *refname, + struct object_id *oid, + struct strbuf *referent, + unsigned int *type) +{ + struct reftable_ref_record ref = {0}; + int ret; + + ret = reftable_stack_read_ref(stack, refname, &ref); + if (ret) + goto done; + + if (ref.value_type == REFTABLE_REF_SYMREF) { + strbuf_reset(referent); + strbuf_addstr(referent, ref.value.symref); + *type |= REF_ISSYMREF; + } else if (reftable_ref_record_val1(&ref)) { + oidread(oid, reftable_ref_record_val1(&ref)); + } else { + /* We got a tombstone, which should not happen. */ + BUG("unhandled reference value type %d", ref.value_type); + } + +done: + assert(ret != REFTABLE_API_ERROR); + reftable_ref_record_release(&ref); + return ret; +} + +static struct ref_store *reftable_be_init(struct repository *repo, + const char *gitdir, + unsigned int store_flags) +{ + struct reftable_ref_store *refs = xcalloc(1, sizeof(*refs)); + struct strbuf path = STRBUF_INIT; + int is_worktree; + mode_t mask; + + mask = umask(0); + umask(mask); + + base_ref_store_init(&refs->base, repo, gitdir, &refs_be_reftable); + strmap_init(&refs->worktree_stacks); + refs->store_flags = store_flags; + refs->write_options.block_size = 4096; + refs->write_options.hash_id = repo->hash_algo->format_id; + refs->write_options.default_permissions = calc_shared_perm(0666 & ~mask); + + /* + * Set up the main reftable stack that is hosted in GIT_COMMON_DIR. + * This stack contains both the shared and the main worktree refs. + * + * Note that we don't try to resolve the path in case we have a + * worktree because `get_common_dir_noenv()` already does it for us. + */ + is_worktree = get_common_dir_noenv(&path, gitdir); + if (!is_worktree) { + strbuf_reset(&path); + strbuf_realpath(&path, gitdir, 0); + } + strbuf_addstr(&path, "/reftable"); + refs->err = reftable_new_stack(&refs->main_stack, path.buf, + refs->write_options); + if (refs->err) + goto done; + + /* + * If we're in a worktree we also need to set up the worktree reftable + * stack that is contained in the per-worktree GIT_DIR. + * + * Ideally, we would also add the stack to our worktree stack map. But + * we have no way to figure out the worktree name here and thus can't + * do it efficiently. + */ + if (is_worktree) { + strbuf_reset(&path); + strbuf_addf(&path, "%s/reftable", gitdir); + + refs->err = reftable_new_stack(&refs->worktree_stack, path.buf, + refs->write_options); + if (refs->err) + goto done; + } + + chdir_notify_reparent("reftables-backend $GIT_DIR", &refs->base.gitdir); + +done: + assert(refs->err != REFTABLE_API_ERROR); + strbuf_release(&path); + return &refs->base; +} + +static int reftable_be_init_db(struct ref_store *ref_store, + int flags UNUSED, + struct strbuf *err UNUSED) +{ + struct reftable_ref_store *refs = + reftable_be_downcast(ref_store, REF_STORE_WRITE, "init_db"); + struct strbuf sb = STRBUF_INIT; + + strbuf_addf(&sb, "%s/reftable", refs->base.gitdir); + safe_create_dir(sb.buf, 1); + strbuf_reset(&sb); + + strbuf_addf(&sb, "%s/HEAD", refs->base.gitdir); + write_file(sb.buf, "ref: refs/heads/.invalid"); + adjust_shared_perm(sb.buf); + strbuf_reset(&sb); + + strbuf_addf(&sb, "%s/refs", refs->base.gitdir); + safe_create_dir(sb.buf, 1); + strbuf_reset(&sb); + + strbuf_addf(&sb, "%s/refs/heads", refs->base.gitdir); + write_file(sb.buf, "this repository uses the reftable format"); + adjust_shared_perm(sb.buf); + + strbuf_release(&sb); + return 0; +} + +struct reftable_ref_iterator { + struct ref_iterator base; + struct reftable_ref_store *refs; + struct reftable_iterator iter; + struct reftable_ref_record ref; + struct object_id oid; + + const char *prefix; + size_t prefix_len; + unsigned int flags; + int err; +}; + +static int reftable_ref_iterator_advance(struct ref_iterator *ref_iterator) +{ + struct reftable_ref_iterator *iter = + (struct reftable_ref_iterator *)ref_iterator; + struct reftable_ref_store *refs = iter->refs; + + while (!iter->err) { + int flags = 0; + + iter->err = reftable_iterator_next_ref(&iter->iter, &iter->ref); + if (iter->err) + break; + + /* + * The files backend only lists references contained in "refs/" unless + * the root refs are to be included. We emulate the same behaviour here. + */ + if (!starts_with(iter->ref.refname, "refs/") && + !(iter->flags & DO_FOR_EACH_INCLUDE_ROOT_REFS && + (is_pseudoref(&iter->refs->base, iter->ref.refname) || + is_headref(&iter->refs->base, iter->ref.refname)))) { + continue; + } + + if (iter->prefix_len && + strncmp(iter->prefix, iter->ref.refname, iter->prefix_len)) { + iter->err = 1; + break; + } + + if (iter->flags & DO_FOR_EACH_PER_WORKTREE_ONLY && + parse_worktree_ref(iter->ref.refname, NULL, NULL, NULL) != + REF_WORKTREE_CURRENT) + continue; + + switch (iter->ref.value_type) { + case REFTABLE_REF_VAL1: + oidread(&iter->oid, iter->ref.value.val1); + break; + case REFTABLE_REF_VAL2: + oidread(&iter->oid, iter->ref.value.val2.value); + break; + case REFTABLE_REF_SYMREF: + if (!refs_resolve_ref_unsafe(&iter->refs->base, iter->ref.refname, + RESOLVE_REF_READING, &iter->oid, &flags)) + oidclr(&iter->oid); + break; + default: + BUG("unhandled reference value type %d", iter->ref.value_type); + } + + if (is_null_oid(&iter->oid)) + flags |= REF_ISBROKEN; + + if (check_refname_format(iter->ref.refname, REFNAME_ALLOW_ONELEVEL)) { + if (!refname_is_safe(iter->ref.refname)) + die(_("refname is dangerous: %s"), iter->ref.refname); + oidclr(&iter->oid); + flags |= REF_BAD_NAME | REF_ISBROKEN; + } + + if (iter->flags & DO_FOR_EACH_OMIT_DANGLING_SYMREFS && + flags & REF_ISSYMREF && + flags & REF_ISBROKEN) + continue; + + if (!(iter->flags & DO_FOR_EACH_INCLUDE_BROKEN) && + !ref_resolves_to_object(iter->ref.refname, refs->base.repo, + &iter->oid, flags)) + continue; + + iter->base.refname = iter->ref.refname; + iter->base.oid = &iter->oid; + iter->base.flags = flags; + + break; + } + + if (iter->err > 0) { + if (ref_iterator_abort(ref_iterator) != ITER_DONE) + return ITER_ERROR; + return ITER_DONE; + } + + if (iter->err < 0) { + ref_iterator_abort(ref_iterator); + return ITER_ERROR; + } + + return ITER_OK; +} + +static int reftable_ref_iterator_peel(struct ref_iterator *ref_iterator, + struct object_id *peeled) +{ + struct reftable_ref_iterator *iter = + (struct reftable_ref_iterator *)ref_iterator; + + if (iter->ref.value_type == REFTABLE_REF_VAL2) { + oidread(peeled, iter->ref.value.val2.target_value); + return 0; + } + + return -1; +} + +static int reftable_ref_iterator_abort(struct ref_iterator *ref_iterator) +{ + struct reftable_ref_iterator *iter = + (struct reftable_ref_iterator *)ref_iterator; + reftable_ref_record_release(&iter->ref); + reftable_iterator_destroy(&iter->iter); + free(iter); + return ITER_DONE; +} + +static struct ref_iterator_vtable reftable_ref_iterator_vtable = { + .advance = reftable_ref_iterator_advance, + .peel = reftable_ref_iterator_peel, + .abort = reftable_ref_iterator_abort +}; + +static struct reftable_ref_iterator *ref_iterator_for_stack(struct reftable_ref_store *refs, + struct reftable_stack *stack, + const char *prefix, + int flags) +{ + struct reftable_merged_table *merged_table; + struct reftable_ref_iterator *iter; + int ret; + + iter = xcalloc(1, sizeof(*iter)); + base_ref_iterator_init(&iter->base, &reftable_ref_iterator_vtable); + iter->prefix = prefix; + iter->prefix_len = prefix ? strlen(prefix) : 0; + iter->base.oid = &iter->oid; + iter->flags = flags; + iter->refs = refs; + + ret = refs->err; + if (ret) + goto done; + + ret = reftable_stack_reload(stack); + if (ret) + goto done; + + merged_table = reftable_stack_merged_table(stack); + + ret = reftable_merged_table_seek_ref(merged_table, &iter->iter, prefix); + if (ret) + goto done; + +done: + iter->err = ret; + return iter; +} + +static struct ref_iterator *reftable_be_iterator_begin(struct ref_store *ref_store, + const char *prefix, + const char **exclude_patterns, + unsigned int flags) +{ + struct reftable_ref_iterator *main_iter, *worktree_iter; + struct reftable_ref_store *refs; + unsigned int required_flags = REF_STORE_READ; + + if (!(flags & DO_FOR_EACH_INCLUDE_BROKEN)) + required_flags |= REF_STORE_ODB; + refs = reftable_be_downcast(ref_store, required_flags, "ref_iterator_begin"); + + main_iter = ref_iterator_for_stack(refs, refs->main_stack, prefix, flags); + + /* + * The worktree stack is only set when we're in an actual worktree + * right now. If we aren't, then we return the common reftable + * iterator, only. + */ + if (!refs->worktree_stack) + return &main_iter->base; + + /* + * Otherwise we merge both the common and the per-worktree refs into a + * single iterator. + */ + worktree_iter = ref_iterator_for_stack(refs, refs->worktree_stack, prefix, flags); + return merge_ref_iterator_begin(&worktree_iter->base, &main_iter->base, + ref_iterator_select, NULL); +} + +static int reftable_be_read_raw_ref(struct ref_store *ref_store, + const char *refname, + struct object_id *oid, + struct strbuf *referent, + unsigned int *type, + int *failure_errno) +{ + struct reftable_ref_store *refs = + reftable_be_downcast(ref_store, REF_STORE_READ, "read_raw_ref"); + struct reftable_stack *stack = stack_for(refs, refname, &refname); + int ret; + + if (refs->err < 0) + return refs->err; + + ret = reftable_stack_reload(stack); + if (ret) + return ret; + + ret = read_ref_without_reload(stack, refname, oid, referent, type); + if (ret < 0) + return ret; + if (ret > 0) { + *failure_errno = ENOENT; + return -1; + } + + return 0; +} + +static int reftable_be_read_symbolic_ref(struct ref_store *ref_store, + const char *refname, + struct strbuf *referent) +{ + struct reftable_ref_store *refs = + reftable_be_downcast(ref_store, REF_STORE_READ, "read_symbolic_ref"); + struct reftable_stack *stack = stack_for(refs, refname, &refname); + struct reftable_ref_record ref = {0}; + int ret; + + ret = reftable_stack_reload(stack); + if (ret) + return ret; + + ret = reftable_stack_read_ref(stack, refname, &ref); + if (ret == 0 && ref.value_type == REFTABLE_REF_SYMREF) + strbuf_addstr(referent, ref.value.symref); + else + ret = -1; + + reftable_ref_record_release(&ref); + return ret; +} + +/* + * Return the refname under which update was originally requested. + */ +static const char *original_update_refname(struct ref_update *update) +{ + while (update->parent_update) + update = update->parent_update; + return update->refname; +} + +struct reftable_transaction_update { + struct ref_update *update; + struct object_id current_oid; +}; + +struct write_transaction_table_arg { + struct reftable_ref_store *refs; + struct reftable_stack *stack; + struct reftable_addition *addition; + struct reftable_transaction_update *updates; + size_t updates_nr; + size_t updates_alloc; + size_t updates_expected; +}; + +struct reftable_transaction_data { + struct write_transaction_table_arg *args; + size_t args_nr, args_alloc; +}; + +static void free_transaction_data(struct reftable_transaction_data *tx_data) +{ + if (!tx_data) + return; + for (size_t i = 0; i < tx_data->args_nr; i++) { + reftable_addition_destroy(tx_data->args[i].addition); + free(tx_data->args[i].updates); + } + free(tx_data->args); + free(tx_data); +} + +/* + * Prepare transaction update for the given reference update. This will cause + * us to lock the corresponding reftable stack for concurrent modification. + */ +static int prepare_transaction_update(struct write_transaction_table_arg **out, + struct reftable_ref_store *refs, + struct reftable_transaction_data *tx_data, + struct ref_update *update, + struct strbuf *err) +{ + struct reftable_stack *stack = stack_for(refs, update->refname, NULL); + struct write_transaction_table_arg *arg = NULL; + size_t i; + int ret; + + /* + * Search for a preexisting stack update. If there is one then we add + * the update to it, otherwise we set up a new stack update. + */ + for (i = 0; !arg && i < tx_data->args_nr; i++) + if (tx_data->args[i].stack == stack) + arg = &tx_data->args[i]; + + if (!arg) { + struct reftable_addition *addition; + + ret = reftable_stack_reload(stack); + if (ret) + return ret; + + ret = reftable_stack_new_addition(&addition, stack); + if (ret) { + if (ret == REFTABLE_LOCK_ERROR) + strbuf_addstr(err, "cannot lock references"); + return ret; + } + + ALLOC_GROW(tx_data->args, tx_data->args_nr + 1, + tx_data->args_alloc); + arg = &tx_data->args[tx_data->args_nr++]; + arg->refs = refs; + arg->stack = stack; + arg->addition = addition; + arg->updates = NULL; + arg->updates_nr = 0; + arg->updates_alloc = 0; + arg->updates_expected = 0; + } + + arg->updates_expected++; + + if (out) + *out = arg; + + return 0; +} + +/* + * Queue a reference update for the correct stack. We potentially need to + * handle multiple stack updates in a single transaction when it spans across + * multiple worktrees. + */ +static int queue_transaction_update(struct reftable_ref_store *refs, + struct reftable_transaction_data *tx_data, + struct ref_update *update, + struct object_id *current_oid, + struct strbuf *err) +{ + struct write_transaction_table_arg *arg = NULL; + int ret; + + if (update->backend_data) + BUG("reference update queued more than once"); + + ret = prepare_transaction_update(&arg, refs, tx_data, update, err); + if (ret < 0) + return ret; + + ALLOC_GROW(arg->updates, arg->updates_nr + 1, + arg->updates_alloc); + arg->updates[arg->updates_nr].update = update; + oidcpy(&arg->updates[arg->updates_nr].current_oid, current_oid); + update->backend_data = &arg->updates[arg->updates_nr++]; + + return 0; +} + +static int reftable_be_transaction_prepare(struct ref_store *ref_store, + struct ref_transaction *transaction, + struct strbuf *err) +{ + struct reftable_ref_store *refs = + reftable_be_downcast(ref_store, REF_STORE_WRITE|REF_STORE_MAIN, "ref_transaction_prepare"); + struct strbuf referent = STRBUF_INIT, head_referent = STRBUF_INIT; + struct string_list affected_refnames = STRING_LIST_INIT_NODUP; + struct reftable_transaction_data *tx_data = NULL; + struct object_id head_oid; + unsigned int head_type = 0; + size_t i; + int ret; + + ret = refs->err; + if (ret < 0) + goto done; + + tx_data = xcalloc(1, sizeof(*tx_data)); + + /* + * Preprocess all updates. For one we check that there are no duplicate + * reference updates in this transaction. Second, we lock all stacks + * that will be modified during the transaction. + */ + for (i = 0; i < transaction->nr; i++) { + ret = prepare_transaction_update(NULL, refs, tx_data, + transaction->updates[i], err); + if (ret) + goto done; + + string_list_append(&affected_refnames, + transaction->updates[i]->refname); + } + + /* + * Now that we have counted updates per stack we can preallocate their + * arrays. This avoids having to reallocate many times. + */ + for (i = 0; i < tx_data->args_nr; i++) { + CALLOC_ARRAY(tx_data->args[i].updates, tx_data->args[i].updates_expected); + tx_data->args[i].updates_alloc = tx_data->args[i].updates_expected; + } + + /* + * Fail if a refname appears more than once in the transaction. + * This code is taken from the files backend and is a good candidate to + * be moved into the generic layer. + */ + string_list_sort(&affected_refnames); + if (ref_update_reject_duplicates(&affected_refnames, err)) { + ret = TRANSACTION_GENERIC_ERROR; + goto done; + } + + ret = read_ref_without_reload(stack_for(refs, "HEAD", NULL), "HEAD", &head_oid, + &head_referent, &head_type); + if (ret < 0) + goto done; + ret = 0; + + for (i = 0; i < transaction->nr; i++) { + struct ref_update *u = transaction->updates[i]; + struct object_id current_oid = {0}; + struct reftable_stack *stack; + const char *rewritten_ref; + + stack = stack_for(refs, u->refname, &rewritten_ref); + + /* Verify that the new object ID is valid. */ + if ((u->flags & REF_HAVE_NEW) && !is_null_oid(&u->new_oid) && + !(u->flags & REF_SKIP_OID_VERIFICATION) && + !(u->flags & REF_LOG_ONLY)) { + struct object *o = parse_object(refs->base.repo, &u->new_oid); + if (!o) { + strbuf_addf(err, + _("trying to write ref '%s' with nonexistent object %s"), + u->refname, oid_to_hex(&u->new_oid)); + ret = -1; + goto done; + } + + if (o->type != OBJ_COMMIT && is_branch(u->refname)) { + strbuf_addf(err, _("trying to write non-commit object %s to branch '%s'"), + oid_to_hex(&u->new_oid), u->refname); + ret = -1; + goto done; + } + } + + /* + * When we update the reference that HEAD points to we enqueue + * a second log-only update for HEAD so that its reflog is + * updated accordingly. + */ + if (head_type == REF_ISSYMREF && + !(u->flags & REF_LOG_ONLY) && + !(u->flags & REF_UPDATE_VIA_HEAD) && + !strcmp(rewritten_ref, head_referent.buf)) { + struct ref_update *new_update; + + /* + * First make sure that HEAD is not already in the + * transaction. This check is O(lg N) in the transaction + * size, but it happens at most once per transaction. + */ + if (string_list_has_string(&affected_refnames, "HEAD")) { + /* An entry already existed */ + strbuf_addf(err, + _("multiple updates for 'HEAD' (including one " + "via its referent '%s') are not allowed"), + u->refname); + ret = TRANSACTION_NAME_CONFLICT; + goto done; + } + + new_update = ref_transaction_add_update( + transaction, "HEAD", + u->flags | REF_LOG_ONLY | REF_NO_DEREF, + &u->new_oid, &u->old_oid, u->msg); + string_list_insert(&affected_refnames, new_update->refname); + } + + ret = read_ref_without_reload(stack, rewritten_ref, + ¤t_oid, &referent, &u->type); + if (ret < 0) + goto done; + if (ret > 0 && (!(u->flags & REF_HAVE_OLD) || is_null_oid(&u->old_oid))) { + /* + * The reference does not exist, and we either have no + * old object ID or expect the reference to not exist. + * We can thus skip below safety checks as well as the + * symref splitting. But we do want to verify that + * there is no conflicting reference here so that we + * can output a proper error message instead of failing + * at a later point. + */ + ret = refs_verify_refname_available(ref_store, u->refname, + &affected_refnames, NULL, err); + if (ret < 0) + goto done; + + /* + * There is no need to write the reference deletion + * when the reference in question doesn't exist. + */ + if (u->flags & REF_HAVE_NEW && !is_null_oid(&u->new_oid)) { + ret = queue_transaction_update(refs, tx_data, u, + ¤t_oid, err); + if (ret) + goto done; + } + + continue; + } + if (ret > 0) { + /* The reference does not exist, but we expected it to. */ + strbuf_addf(err, _("cannot lock ref '%s': " + "unable to resolve reference '%s'"), + original_update_refname(u), u->refname); + ret = -1; + goto done; + } + + if (u->type & REF_ISSYMREF) { + /* + * The reftable stack is locked at this point already, + * so it is safe to call `refs_resolve_ref_unsafe()` + * here without causing races. + */ + const char *resolved = refs_resolve_ref_unsafe(&refs->base, u->refname, 0, + ¤t_oid, NULL); + + if (u->flags & REF_NO_DEREF) { + if (u->flags & REF_HAVE_OLD && !resolved) { + strbuf_addf(err, _("cannot lock ref '%s': " + "error reading reference"), u->refname); + ret = -1; + goto done; + } + } else { + struct ref_update *new_update; + int new_flags; + + new_flags = u->flags; + if (!strcmp(rewritten_ref, "HEAD")) + new_flags |= REF_UPDATE_VIA_HEAD; + + /* + * If we are updating a symref (eg. HEAD), we should also + * update the branch that the symref points to. + * + * This is generic functionality, and would be better + * done in refs.c, but the current implementation is + * intertwined with the locking in files-backend.c. + */ + new_update = ref_transaction_add_update( + transaction, referent.buf, new_flags, + &u->new_oid, &u->old_oid, u->msg); + new_update->parent_update = u; + + /* + * Change the symbolic ref update to log only. Also, it + * doesn't need to check its old OID value, as that will be + * done when new_update is processed. + */ + u->flags |= REF_LOG_ONLY | REF_NO_DEREF; + u->flags &= ~REF_HAVE_OLD; + + if (string_list_has_string(&affected_refnames, new_update->refname)) { + strbuf_addf(err, + _("multiple updates for '%s' (including one " + "via symref '%s') are not allowed"), + referent.buf, u->refname); + ret = TRANSACTION_NAME_CONFLICT; + goto done; + } + string_list_insert(&affected_refnames, new_update->refname); + } + } + + /* + * Verify that the old object matches our expectations. Note + * that the error messages here do not make a lot of sense in + * the context of the reftable backend as we never lock + * individual refs. But the error messages match what the files + * backend returns, which keeps our tests happy. + */ + if (u->flags & REF_HAVE_OLD && !oideq(¤t_oid, &u->old_oid)) { + if (is_null_oid(&u->old_oid)) + strbuf_addf(err, _("cannot lock ref '%s': " + "reference already exists"), + original_update_refname(u)); + else if (is_null_oid(¤t_oid)) + strbuf_addf(err, _("cannot lock ref '%s': " + "reference is missing but expected %s"), + original_update_refname(u), + oid_to_hex(&u->old_oid)); + else + strbuf_addf(err, _("cannot lock ref '%s': " + "is at %s but expected %s"), + original_update_refname(u), + oid_to_hex(¤t_oid), + oid_to_hex(&u->old_oid)); + ret = -1; + goto done; + } + + /* + * If all of the following conditions are true: + * + * - We're not about to write a symref. + * - We're not about to write a log-only entry. + * - Old and new object ID are different. + * + * Then we're essentially doing a no-op update that can be + * skipped. This is not only for the sake of efficiency, but + * also skips writing unneeded reflog entries. + */ + if ((u->type & REF_ISSYMREF) || + (u->flags & REF_LOG_ONLY) || + (u->flags & REF_HAVE_NEW && !oideq(¤t_oid, &u->new_oid))) { + ret = queue_transaction_update(refs, tx_data, u, + ¤t_oid, err); + if (ret) + goto done; + } + } + + transaction->backend_data = tx_data; + transaction->state = REF_TRANSACTION_PREPARED; + +done: + assert(ret != REFTABLE_API_ERROR); + if (ret < 0) { + free_transaction_data(tx_data); + transaction->state = REF_TRANSACTION_CLOSED; + if (!err->len) + strbuf_addf(err, _("reftable: transaction prepare: %s"), + reftable_error_str(ret)); + } + string_list_clear(&affected_refnames, 0); + strbuf_release(&referent); + strbuf_release(&head_referent); + + return ret; +} + +static int reftable_be_transaction_abort(struct ref_store *ref_store, + struct ref_transaction *transaction, + struct strbuf *err) +{ + struct reftable_transaction_data *tx_data = transaction->backend_data; + free_transaction_data(tx_data); + transaction->state = REF_TRANSACTION_CLOSED; + return 0; +} + +static int transaction_update_cmp(const void *a, const void *b) +{ + return strcmp(((struct reftable_transaction_update *)a)->update->refname, + ((struct reftable_transaction_update *)b)->update->refname); +} + +static int write_transaction_table(struct reftable_writer *writer, void *cb_data) +{ + struct write_transaction_table_arg *arg = cb_data; + struct reftable_merged_table *mt = + reftable_stack_merged_table(arg->stack); + uint64_t ts = reftable_stack_next_update_index(arg->stack); + struct reftable_log_record *logs = NULL; + size_t logs_nr = 0, logs_alloc = 0, i; + int ret = 0; + + QSORT(arg->updates, arg->updates_nr, transaction_update_cmp); + + reftable_writer_set_limits(writer, ts, ts); + + for (i = 0; i < arg->updates_nr; i++) { + struct reftable_transaction_update *tx_update = &arg->updates[i]; + struct ref_update *u = tx_update->update; + + /* + * Write a reflog entry when updating a ref to point to + * something new in either of the following cases: + * + * - The reference is about to be deleted. We always want to + * delete the reflog in that case. + * - REF_FORCE_CREATE_REFLOG is set, asking us to always create + * the reflog entry. + * - `core.logAllRefUpdates` tells us to create the reflog for + * the given ref. + */ + if (u->flags & REF_HAVE_NEW && !(u->type & REF_ISSYMREF) && is_null_oid(&u->new_oid)) { + struct reftable_log_record log = {0}; + struct reftable_iterator it = {0}; + + /* + * When deleting refs we also delete all reflog entries + * with them. While it is not strictly required to + * delete reflogs together with their refs, this + * matches the behaviour of the files backend. + * + * Unfortunately, we have no better way than to delete + * all reflog entries one by one. + */ + ret = reftable_merged_table_seek_log(mt, &it, u->refname); + while (ret == 0) { + struct reftable_log_record *tombstone; + + ret = reftable_iterator_next_log(&it, &log); + if (ret < 0) + break; + if (ret > 0 || strcmp(log.refname, u->refname)) { + ret = 0; + break; + } + + ALLOC_GROW(logs, logs_nr + 1, logs_alloc); + tombstone = &logs[logs_nr++]; + tombstone->refname = xstrdup(u->refname); + tombstone->value_type = REFTABLE_LOG_DELETION; + tombstone->update_index = log.update_index; + } + + reftable_log_record_release(&log); + reftable_iterator_destroy(&it); + + if (ret) + goto done; + } else if (u->flags & REF_HAVE_NEW && + (u->flags & REF_FORCE_CREATE_REFLOG || + should_write_log(&arg->refs->base, u->refname))) { + struct reftable_log_record *log; + + ALLOC_GROW(logs, logs_nr + 1, logs_alloc); + log = &logs[logs_nr++]; + memset(log, 0, sizeof(*log)); + + fill_reftable_log_record(log); + log->update_index = ts; + log->refname = xstrdup(u->refname); + memcpy(log->value.update.new_hash, u->new_oid.hash, GIT_MAX_RAWSZ); + memcpy(log->value.update.old_hash, tx_update->current_oid.hash, GIT_MAX_RAWSZ); + log->value.update.message = + xstrndup(u->msg, arg->refs->write_options.block_size / 2); + } + + if (u->flags & REF_LOG_ONLY) + continue; + + if (u->flags & REF_HAVE_NEW && is_null_oid(&u->new_oid)) { + struct reftable_ref_record ref = { + .refname = (char *)u->refname, + .update_index = ts, + .value_type = REFTABLE_REF_DELETION, + }; + + ret = reftable_writer_add_ref(writer, &ref); + if (ret < 0) + goto done; + } else if (u->flags & REF_HAVE_NEW) { + struct reftable_ref_record ref = {0}; + struct object_id peeled; + int peel_error; + + ref.refname = (char *)u->refname; + ref.update_index = ts; + + peel_error = peel_object(&u->new_oid, &peeled); + if (!peel_error) { + ref.value_type = REFTABLE_REF_VAL2; + memcpy(ref.value.val2.target_value, peeled.hash, GIT_MAX_RAWSZ); + memcpy(ref.value.val2.value, u->new_oid.hash, GIT_MAX_RAWSZ); + } else if (!is_null_oid(&u->new_oid)) { + ref.value_type = REFTABLE_REF_VAL1; + memcpy(ref.value.val1, u->new_oid.hash, GIT_MAX_RAWSZ); + } + + ret = reftable_writer_add_ref(writer, &ref); + if (ret < 0) + goto done; + } + } + + /* + * Logs are written at the end so that we do not have intermixed ref + * and log blocks. + */ + if (logs) { + ret = reftable_writer_add_logs(writer, logs, logs_nr); + if (ret < 0) + goto done; + } + +done: + assert(ret != REFTABLE_API_ERROR); + for (i = 0; i < logs_nr; i++) + reftable_log_record_release(&logs[i]); + free(logs); + return ret; +} + +static int reftable_be_transaction_finish(struct ref_store *ref_store, + struct ref_transaction *transaction, + struct strbuf *err) +{ + struct reftable_transaction_data *tx_data = transaction->backend_data; + int ret = 0; + + for (size_t i = 0; i < tx_data->args_nr; i++) { + ret = reftable_addition_add(tx_data->args[i].addition, + write_transaction_table, &tx_data->args[i]); + if (ret < 0) + goto done; + + ret = reftable_addition_commit(tx_data->args[i].addition); + if (ret < 0) + goto done; + } + +done: + assert(ret != REFTABLE_API_ERROR); + free_transaction_data(tx_data); + transaction->state = REF_TRANSACTION_CLOSED; + + if (ret) { + strbuf_addf(err, _("reftable: transaction failure: %s"), + reftable_error_str(ret)); + return -1; + } + return ret; +} + +static int reftable_be_initial_transaction_commit(struct ref_store *ref_store UNUSED, + struct ref_transaction *transaction, + struct strbuf *err) +{ + return ref_transaction_commit(transaction, err); +} + +static int reftable_be_pack_refs(struct ref_store *ref_store, + struct pack_refs_opts *opts) +{ + struct reftable_ref_store *refs = + reftable_be_downcast(ref_store, REF_STORE_WRITE | REF_STORE_ODB, "pack_refs"); + struct reftable_stack *stack; + int ret; + + if (refs->err) + return refs->err; + + stack = refs->worktree_stack; + if (!stack) + stack = refs->main_stack; + + ret = reftable_stack_compact_all(stack, NULL); + if (ret) + goto out; + ret = reftable_stack_clean(stack); + if (ret) + goto out; + +out: + return ret; +} + +struct write_create_symref_arg { + struct reftable_ref_store *refs; + struct reftable_stack *stack; + const char *refname; + const char *target; + const char *logmsg; +}; + +static int write_create_symref_table(struct reftable_writer *writer, void *cb_data) +{ + struct write_create_symref_arg *create = cb_data; + uint64_t ts = reftable_stack_next_update_index(create->stack); + struct reftable_ref_record ref = { + .refname = (char *)create->refname, + .value_type = REFTABLE_REF_SYMREF, + .value.symref = (char *)create->target, + .update_index = ts, + }; + struct reftable_log_record log = {0}; + struct object_id new_oid; + struct object_id old_oid; + int ret; + + reftable_writer_set_limits(writer, ts, ts); + + ret = reftable_writer_add_ref(writer, &ref); + if (ret) + return ret; + + /* + * Note that it is important to try and resolve the reference before we + * write the log entry. This is because `should_write_log()` will munge + * `core.logAllRefUpdates`, which is undesirable when we create a new + * repository because it would be written into the config. As HEAD will + * not resolve for new repositories this ordering will ensure that this + * never happens. + */ + if (!create->logmsg || + !refs_resolve_ref_unsafe(&create->refs->base, create->target, + RESOLVE_REF_READING, &new_oid, NULL) || + !should_write_log(&create->refs->base, create->refname)) + return 0; + + fill_reftable_log_record(&log); + log.refname = xstrdup(create->refname); + log.update_index = ts; + log.value.update.message = xstrndup(create->logmsg, + create->refs->write_options.block_size / 2); + memcpy(log.value.update.new_hash, new_oid.hash, GIT_MAX_RAWSZ); + if (refs_resolve_ref_unsafe(&create->refs->base, create->refname, + RESOLVE_REF_READING, &old_oid, NULL)) + memcpy(log.value.update.old_hash, old_oid.hash, GIT_MAX_RAWSZ); + + ret = reftable_writer_add_log(writer, &log); + reftable_log_record_release(&log); + return ret; +} + +static int reftable_be_create_symref(struct ref_store *ref_store, + const char *refname, + const char *target, + const char *logmsg) +{ + struct reftable_ref_store *refs = + reftable_be_downcast(ref_store, REF_STORE_WRITE, "create_symref"); + struct reftable_stack *stack = stack_for(refs, refname, &refname); + struct write_create_symref_arg arg = { + .refs = refs, + .stack = stack, + .refname = refname, + .target = target, + .logmsg = logmsg, + }; + int ret; + + ret = refs->err; + if (ret < 0) + goto done; + + ret = reftable_stack_reload(stack); + if (ret) + goto done; + + ret = reftable_stack_add(stack, &write_create_symref_table, &arg); + +done: + assert(ret != REFTABLE_API_ERROR); + if (ret) + error("unable to write symref for %s: %s", refname, + reftable_error_str(ret)); + return ret; +} + +struct write_copy_arg { + struct reftable_ref_store *refs; + struct reftable_stack *stack; + const char *oldname; + const char *newname; + const char *logmsg; + int delete_old; +}; + +static int write_copy_table(struct reftable_writer *writer, void *cb_data) +{ + struct write_copy_arg *arg = cb_data; + uint64_t deletion_ts, creation_ts; + struct reftable_merged_table *mt = reftable_stack_merged_table(arg->stack); + struct reftable_ref_record old_ref = {0}, refs[2] = {0}; + struct reftable_log_record old_log = {0}, *logs = NULL; + struct reftable_iterator it = {0}; + struct string_list skip = STRING_LIST_INIT_NODUP; + struct strbuf errbuf = STRBUF_INIT; + size_t logs_nr = 0, logs_alloc = 0, i; + int ret; + + if (reftable_stack_read_ref(arg->stack, arg->oldname, &old_ref)) { + ret = error(_("refname %s not found"), arg->oldname); + goto done; + } + if (old_ref.value_type == REFTABLE_REF_SYMREF) { + ret = error(_("refname %s is a symbolic ref, copying it is not supported"), + arg->oldname); + goto done; + } + + /* + * There's nothing to do in case the old and new name are the same, so + * we exit early in that case. + */ + if (!strcmp(arg->oldname, arg->newname)) { + ret = 0; + goto done; + } + + /* + * Verify that the new refname is available. + */ + string_list_insert(&skip, arg->oldname); + ret = refs_verify_refname_available(&arg->refs->base, arg->newname, + NULL, &skip, &errbuf); + if (ret < 0) { + error("%s", errbuf.buf); + goto done; + } + + /* + * When deleting the old reference we have to use two update indices: + * once to delete the old ref and its reflog, and once to create the + * new ref and its reflog. They need to be staged with two separate + * indices because the new reflog needs to encode both the deletion of + * the old branch and the creation of the new branch, and we cannot do + * two changes to a reflog in a single update. + */ + deletion_ts = creation_ts = reftable_stack_next_update_index(arg->stack); + if (arg->delete_old) + creation_ts++; + reftable_writer_set_limits(writer, deletion_ts, creation_ts); + + /* + * Add the new reference. If this is a rename then we also delete the + * old reference. + */ + refs[0] = old_ref; + refs[0].refname = (char *)arg->newname; + refs[0].update_index = creation_ts; + if (arg->delete_old) { + refs[1].refname = (char *)arg->oldname; + refs[1].value_type = REFTABLE_REF_DELETION; + refs[1].update_index = deletion_ts; + } + ret = reftable_writer_add_refs(writer, refs, arg->delete_old ? 2 : 1); + if (ret < 0) + goto done; + + /* + * When deleting the old branch we need to create a reflog entry on the + * new branch name that indicates that the old branch has been deleted + * and then recreated. This is a tad weird, but matches what the files + * backend does. + */ + if (arg->delete_old) { + struct strbuf head_referent = STRBUF_INIT; + struct object_id head_oid; + int append_head_reflog; + unsigned head_type = 0; + + ALLOC_GROW(logs, logs_nr + 1, logs_alloc); + memset(&logs[logs_nr], 0, sizeof(logs[logs_nr])); + fill_reftable_log_record(&logs[logs_nr]); + logs[logs_nr].refname = (char *)arg->newname; + logs[logs_nr].update_index = deletion_ts; + logs[logs_nr].value.update.message = + xstrndup(arg->logmsg, arg->refs->write_options.block_size / 2); + memcpy(logs[logs_nr].value.update.old_hash, old_ref.value.val1, GIT_MAX_RAWSZ); + logs_nr++; + + ret = read_ref_without_reload(arg->stack, "HEAD", &head_oid, &head_referent, &head_type); + if (ret < 0) + goto done; + append_head_reflog = (head_type & REF_ISSYMREF) && !strcmp(head_referent.buf, arg->oldname); + strbuf_release(&head_referent); + + /* + * The files backend uses `refs_delete_ref()` to delete the old + * branch name, which will append a reflog entry for HEAD in + * case it points to the old branch. + */ + if (append_head_reflog) { + ALLOC_GROW(logs, logs_nr + 1, logs_alloc); + logs[logs_nr] = logs[logs_nr - 1]; + logs[logs_nr].refname = "HEAD"; + logs_nr++; + } + } + + /* + * Create the reflog entry for the newly created branch. + */ + ALLOC_GROW(logs, logs_nr + 1, logs_alloc); + memset(&logs[logs_nr], 0, sizeof(logs[logs_nr])); + fill_reftable_log_record(&logs[logs_nr]); + logs[logs_nr].refname = (char *)arg->newname; + logs[logs_nr].update_index = creation_ts; + logs[logs_nr].value.update.message = + xstrndup(arg->logmsg, arg->refs->write_options.block_size / 2); + memcpy(logs[logs_nr].value.update.new_hash, old_ref.value.val1, GIT_MAX_RAWSZ); + logs_nr++; + + /* + * In addition to writing the reflog entry for the new branch, we also + * copy over all log entries from the old reflog. Last but not least, + * when renaming we also have to delete all the old reflog entries. + */ + ret = reftable_merged_table_seek_log(mt, &it, arg->oldname); + if (ret < 0) + goto done; + + while (1) { + ret = reftable_iterator_next_log(&it, &old_log); + if (ret < 0) + goto done; + if (ret > 0 || strcmp(old_log.refname, arg->oldname)) { + ret = 0; + break; + } + + free(old_log.refname); + + /* + * Copy over the old reflog entry with the new refname. + */ + ALLOC_GROW(logs, logs_nr + 1, logs_alloc); + logs[logs_nr] = old_log; + logs[logs_nr].refname = (char *)arg->newname; + logs_nr++; + + /* + * Delete the old reflog entry in case we are renaming. + */ + if (arg->delete_old) { + ALLOC_GROW(logs, logs_nr + 1, logs_alloc); + memset(&logs[logs_nr], 0, sizeof(logs[logs_nr])); + logs[logs_nr].refname = (char *)arg->oldname; + logs[logs_nr].value_type = REFTABLE_LOG_DELETION; + logs[logs_nr].update_index = old_log.update_index; + logs_nr++; + } + + /* + * Transfer ownership of the log record we're iterating over to + * the array of log records. Otherwise, the pointers would get + * free'd or reallocated by the iterator. + */ + memset(&old_log, 0, sizeof(old_log)); + } + + ret = reftable_writer_add_logs(writer, logs, logs_nr); + if (ret < 0) + goto done; + +done: + assert(ret != REFTABLE_API_ERROR); + reftable_iterator_destroy(&it); + string_list_clear(&skip, 0); + strbuf_release(&errbuf); + for (i = 0; i < logs_nr; i++) { + if (!strcmp(logs[i].refname, "HEAD")) + continue; + logs[i].refname = NULL; + reftable_log_record_release(&logs[i]); + } + free(logs); + reftable_ref_record_release(&old_ref); + reftable_log_record_release(&old_log); + return ret; +} + +static int reftable_be_rename_ref(struct ref_store *ref_store, + const char *oldrefname, + const char *newrefname, + const char *logmsg) +{ + struct reftable_ref_store *refs = + reftable_be_downcast(ref_store, REF_STORE_WRITE, "rename_ref"); + struct reftable_stack *stack = stack_for(refs, newrefname, &newrefname); + struct write_copy_arg arg = { + .refs = refs, + .stack = stack, + .oldname = oldrefname, + .newname = newrefname, + .logmsg = logmsg, + .delete_old = 1, + }; + int ret; + + ret = refs->err; + if (ret < 0) + goto done; + + ret = reftable_stack_reload(stack); + if (ret) + goto done; + ret = reftable_stack_add(stack, &write_copy_table, &arg); + +done: + assert(ret != REFTABLE_API_ERROR); + return ret; +} + +static int reftable_be_copy_ref(struct ref_store *ref_store, + const char *oldrefname, + const char *newrefname, + const char *logmsg) +{ + struct reftable_ref_store *refs = + reftable_be_downcast(ref_store, REF_STORE_WRITE, "copy_ref"); + struct reftable_stack *stack = stack_for(refs, newrefname, &newrefname); + struct write_copy_arg arg = { + .refs = refs, + .stack = stack, + .oldname = oldrefname, + .newname = newrefname, + .logmsg = logmsg, + }; + int ret; + + ret = refs->err; + if (ret < 0) + goto done; + + ret = reftable_stack_reload(stack); + if (ret) + goto done; + ret = reftable_stack_add(stack, &write_copy_table, &arg); + +done: + assert(ret != REFTABLE_API_ERROR); + return ret; +} + +struct reftable_reflog_iterator { + struct ref_iterator base; + struct reftable_ref_store *refs; + struct reftable_iterator iter; + struct reftable_log_record log; + struct strbuf last_name; + int err; +}; + +static int reftable_reflog_iterator_advance(struct ref_iterator *ref_iterator) +{ + struct reftable_reflog_iterator *iter = + (struct reftable_reflog_iterator *)ref_iterator; + + while (!iter->err) { + iter->err = reftable_iterator_next_log(&iter->iter, &iter->log); + if (iter->err) + break; + + /* + * We want the refnames that we have reflogs for, so we skip if + * we've already produced this name. This could be faster by + * seeking directly to reflog@update_index==0. + */ + if (!strcmp(iter->log.refname, iter->last_name.buf)) + continue; + + if (check_refname_format(iter->log.refname, + REFNAME_ALLOW_ONELEVEL)) + continue; + + strbuf_reset(&iter->last_name); + strbuf_addstr(&iter->last_name, iter->log.refname); + iter->base.refname = iter->log.refname; + + break; + } + + if (iter->err > 0) { + if (ref_iterator_abort(ref_iterator) != ITER_DONE) + return ITER_ERROR; + return ITER_DONE; + } + + if (iter->err < 0) { + ref_iterator_abort(ref_iterator); + return ITER_ERROR; + } + + return ITER_OK; +} + +static int reftable_reflog_iterator_peel(struct ref_iterator *ref_iterator, + struct object_id *peeled) +{ + BUG("reftable reflog iterator cannot be peeled"); + return -1; +} + +static int reftable_reflog_iterator_abort(struct ref_iterator *ref_iterator) +{ + struct reftable_reflog_iterator *iter = + (struct reftable_reflog_iterator *)ref_iterator; + reftable_log_record_release(&iter->log); + reftable_iterator_destroy(&iter->iter); + strbuf_release(&iter->last_name); + free(iter); + return ITER_DONE; +} + +static struct ref_iterator_vtable reftable_reflog_iterator_vtable = { + .advance = reftable_reflog_iterator_advance, + .peel = reftable_reflog_iterator_peel, + .abort = reftable_reflog_iterator_abort +}; + +static struct reftable_reflog_iterator *reflog_iterator_for_stack(struct reftable_ref_store *refs, + struct reftable_stack *stack) +{ + struct reftable_merged_table *merged_table; + struct reftable_reflog_iterator *iter; + int ret; + + iter = xcalloc(1, sizeof(*iter)); + base_ref_iterator_init(&iter->base, &reftable_reflog_iterator_vtable); + strbuf_init(&iter->last_name, 0); + iter->refs = refs; + + ret = refs->err; + if (ret) + goto done; + + ret = reftable_stack_reload(stack); + if (ret < 0) + goto done; + + merged_table = reftable_stack_merged_table(stack); + + ret = reftable_merged_table_seek_log(merged_table, &iter->iter, ""); + if (ret < 0) + goto done; + +done: + iter->err = ret; + return iter; +} + +static struct ref_iterator *reftable_be_reflog_iterator_begin(struct ref_store *ref_store) +{ + struct reftable_ref_store *refs = + reftable_be_downcast(ref_store, REF_STORE_READ, "reflog_iterator_begin"); + struct reftable_reflog_iterator *main_iter, *worktree_iter; + + main_iter = reflog_iterator_for_stack(refs, refs->main_stack); + if (!refs->worktree_stack) + return &main_iter->base; + + worktree_iter = reflog_iterator_for_stack(refs, refs->worktree_stack); + + return merge_ref_iterator_begin(&worktree_iter->base, &main_iter->base, + ref_iterator_select, NULL); +} + +static int yield_log_record(struct reftable_log_record *log, + each_reflog_ent_fn fn, + void *cb_data) +{ + struct object_id old_oid, new_oid; + const char *full_committer; + + oidread(&old_oid, log->value.update.old_hash); + oidread(&new_oid, log->value.update.new_hash); + + /* + * When both the old object ID and the new object ID are null + * then this is the reflog existence marker. The caller must + * not be aware of it. + */ + if (is_null_oid(&old_oid) && is_null_oid(&new_oid)) + return 0; + + full_committer = fmt_ident(log->value.update.name, log->value.update.email, + WANT_COMMITTER_IDENT, NULL, IDENT_NO_DATE); + return fn(&old_oid, &new_oid, full_committer, + log->value.update.time, log->value.update.tz_offset, + log->value.update.message, cb_data); +} + +static int reftable_be_for_each_reflog_ent_reverse(struct ref_store *ref_store, + const char *refname, + each_reflog_ent_fn fn, + void *cb_data) +{ + struct reftable_ref_store *refs = + reftable_be_downcast(ref_store, REF_STORE_READ, "for_each_reflog_ent_reverse"); + struct reftable_stack *stack = stack_for(refs, refname, &refname); + struct reftable_merged_table *mt = NULL; + struct reftable_log_record log = {0}; + struct reftable_iterator it = {0}; + int ret; + + if (refs->err < 0) + return refs->err; + + mt = reftable_stack_merged_table(stack); + ret = reftable_merged_table_seek_log(mt, &it, refname); + while (!ret) { + ret = reftable_iterator_next_log(&it, &log); + if (ret < 0) + break; + if (ret > 0 || strcmp(log.refname, refname)) { + ret = 0; + break; + } + + ret = yield_log_record(&log, fn, cb_data); + if (ret) + break; + } + + reftable_log_record_release(&log); + reftable_iterator_destroy(&it); + return ret; +} + +static int reftable_be_for_each_reflog_ent(struct ref_store *ref_store, + const char *refname, + each_reflog_ent_fn fn, + void *cb_data) +{ + struct reftable_ref_store *refs = + reftable_be_downcast(ref_store, REF_STORE_READ, "for_each_reflog_ent"); + struct reftable_stack *stack = stack_for(refs, refname, &refname); + struct reftable_merged_table *mt = NULL; + struct reftable_log_record *logs = NULL; + struct reftable_iterator it = {0}; + size_t logs_alloc = 0, logs_nr = 0, i; + int ret; + + if (refs->err < 0) + return refs->err; + + mt = reftable_stack_merged_table(stack); + ret = reftable_merged_table_seek_log(mt, &it, refname); + while (!ret) { + struct reftable_log_record log = {0}; + + ret = reftable_iterator_next_log(&it, &log); + if (ret < 0) + goto done; + if (ret > 0 || strcmp(log.refname, refname)) { + reftable_log_record_release(&log); + ret = 0; + break; + } + + ALLOC_GROW(logs, logs_nr + 1, logs_alloc); + logs[logs_nr++] = log; + } + + for (i = logs_nr; i--;) { + ret = yield_log_record(&logs[i], fn, cb_data); + if (ret) + goto done; + } + +done: + reftable_iterator_destroy(&it); + for (i = 0; i < logs_nr; i++) + reftable_log_record_release(&logs[i]); + free(logs); + return ret; +} + +static int reftable_be_reflog_exists(struct ref_store *ref_store, + const char *refname) +{ + struct reftable_ref_store *refs = + reftable_be_downcast(ref_store, REF_STORE_READ, "reflog_exists"); + struct reftable_stack *stack = stack_for(refs, refname, &refname); + struct reftable_merged_table *mt = reftable_stack_merged_table(stack); + struct reftable_log_record log = {0}; + struct reftable_iterator it = {0}; + int ret; + + ret = refs->err; + if (ret < 0) + goto done; + + ret = reftable_stack_reload(stack); + if (ret < 0) + goto done; + + ret = reftable_merged_table_seek_log(mt, &it, refname); + if (ret < 0) + goto done; + + /* + * Check whether we get at least one log record for the given ref name. + * If so, the reflog exists, otherwise it doesn't. + */ + ret = reftable_iterator_next_log(&it, &log); + if (ret < 0) + goto done; + if (ret > 0) { + ret = 0; + goto done; + } + + ret = strcmp(log.refname, refname) == 0; + +done: + reftable_iterator_destroy(&it); + reftable_log_record_release(&log); + if (ret < 0) + ret = 0; + return ret; +} + +struct write_reflog_existence_arg { + struct reftable_ref_store *refs; + const char *refname; + struct reftable_stack *stack; +}; + +static int write_reflog_existence_table(struct reftable_writer *writer, + void *cb_data) +{ + struct write_reflog_existence_arg *arg = cb_data; + uint64_t ts = reftable_stack_next_update_index(arg->stack); + struct reftable_log_record log = {0}; + int ret; + + ret = reftable_stack_read_log(arg->stack, arg->refname, &log); + if (ret <= 0) + goto done; + + reftable_writer_set_limits(writer, ts, ts); + + /* + * The existence entry has both old and new object ID set to the the + * null object ID. Our iterators are aware of this and will not present + * them to their callers. + */ + log.refname = xstrdup(arg->refname); + log.update_index = ts; + log.value_type = REFTABLE_LOG_UPDATE; + ret = reftable_writer_add_log(writer, &log); + +done: + assert(ret != REFTABLE_API_ERROR); + reftable_log_record_release(&log); + return ret; +} + +static int reftable_be_create_reflog(struct ref_store *ref_store, + const char *refname, + struct strbuf *errmsg) +{ + struct reftable_ref_store *refs = + reftable_be_downcast(ref_store, REF_STORE_WRITE, "create_reflog"); + struct reftable_stack *stack = stack_for(refs, refname, &refname); + struct write_reflog_existence_arg arg = { + .refs = refs, + .stack = stack, + .refname = refname, + }; + int ret; + + ret = refs->err; + if (ret < 0) + goto done; + + ret = reftable_stack_reload(stack); + if (ret) + goto done; + + ret = reftable_stack_add(stack, &write_reflog_existence_table, &arg); + +done: + return ret; +} + +struct write_reflog_delete_arg { + struct reftable_stack *stack; + const char *refname; +}; + +static int write_reflog_delete_table(struct reftable_writer *writer, void *cb_data) +{ + struct write_reflog_delete_arg *arg = cb_data; + struct reftable_merged_table *mt = + reftable_stack_merged_table(arg->stack); + struct reftable_log_record log = {0}, tombstone = {0}; + struct reftable_iterator it = {0}; + uint64_t ts = reftable_stack_next_update_index(arg->stack); + int ret; + + reftable_writer_set_limits(writer, ts, ts); + + /* + * In order to delete a table we need to delete all reflog entries one + * by one. This is inefficient, but the reftable format does not have a + * better marker right now. + */ + ret = reftable_merged_table_seek_log(mt, &it, arg->refname); + while (ret == 0) { + ret = reftable_iterator_next_log(&it, &log); + if (ret < 0) + break; + if (ret > 0 || strcmp(log.refname, arg->refname)) { + ret = 0; + break; + } + + tombstone.refname = (char *)arg->refname; + tombstone.value_type = REFTABLE_LOG_DELETION; + tombstone.update_index = log.update_index; + + ret = reftable_writer_add_log(writer, &tombstone); + } + + reftable_log_record_release(&log); + reftable_iterator_destroy(&it); + return ret; +} + +static int reftable_be_delete_reflog(struct ref_store *ref_store, + const char *refname) +{ + struct reftable_ref_store *refs = + reftable_be_downcast(ref_store, REF_STORE_WRITE, "delete_reflog"); + struct reftable_stack *stack = stack_for(refs, refname, &refname); + struct write_reflog_delete_arg arg = { + .stack = stack, + .refname = refname, + }; + int ret; + + ret = reftable_stack_reload(stack); + if (ret) + return ret; + ret = reftable_stack_add(stack, &write_reflog_delete_table, &arg); + + assert(ret != REFTABLE_API_ERROR); + return ret; +} + +struct reflog_expiry_arg { + struct reftable_stack *stack; + struct reftable_log_record *records; + struct object_id update_oid; + const char *refname; + size_t len; +}; + +static int write_reflog_expiry_table(struct reftable_writer *writer, void *cb_data) +{ + struct reflog_expiry_arg *arg = cb_data; + uint64_t ts = reftable_stack_next_update_index(arg->stack); + uint64_t live_records = 0; + size_t i; + int ret; + + for (i = 0; i < arg->len; i++) + if (arg->records[i].value_type == REFTABLE_LOG_UPDATE) + live_records++; + + reftable_writer_set_limits(writer, ts, ts); + + if (!is_null_oid(&arg->update_oid)) { + struct reftable_ref_record ref = {0}; + struct object_id peeled; + + ref.refname = (char *)arg->refname; + ref.update_index = ts; + + if (!peel_object(&arg->update_oid, &peeled)) { + ref.value_type = REFTABLE_REF_VAL2; + memcpy(ref.value.val2.target_value, peeled.hash, GIT_MAX_RAWSZ); + memcpy(ref.value.val2.value, arg->update_oid.hash, GIT_MAX_RAWSZ); + } else { + ref.value_type = REFTABLE_REF_VAL1; + memcpy(ref.value.val1, arg->update_oid.hash, GIT_MAX_RAWSZ); + } + + ret = reftable_writer_add_ref(writer, &ref); + if (ret < 0) + return ret; + } + + /* + * When there are no more entries left in the reflog we empty it + * completely, but write a placeholder reflog entry that indicates that + * the reflog still exists. + */ + if (!live_records) { + struct reftable_log_record log = { + .refname = (char *)arg->refname, + .value_type = REFTABLE_LOG_UPDATE, + .update_index = ts, + }; + + ret = reftable_writer_add_log(writer, &log); + if (ret) + return ret; + } + + for (i = 0; i < arg->len; i++) { + ret = reftable_writer_add_log(writer, &arg->records[i]); + if (ret) + return ret; + } + + return 0; +} + +static int reftable_be_reflog_expire(struct ref_store *ref_store, + const char *refname, + unsigned int flags, + reflog_expiry_prepare_fn prepare_fn, + reflog_expiry_should_prune_fn should_prune_fn, + reflog_expiry_cleanup_fn cleanup_fn, + void *policy_cb_data) +{ + /* + * For log expiry, we write tombstones for every single reflog entry + * that is to be expired. This means that the entries are still + * retrievable by delving into the stack, and expiring entries + * paradoxically takes extra memory. This memory is only reclaimed when + * compacting the reftable stack. + * + * It would be better if the refs backend supported an API that sets a + * criterion for all refs, passing the criterion to pack_refs(). + * + * On the plus side, because we do the expiration per ref, we can easily + * insert the reflog existence dummies. + */ + struct reftable_ref_store *refs = + reftable_be_downcast(ref_store, REF_STORE_WRITE, "reflog_expire"); + struct reftable_stack *stack = stack_for(refs, refname, &refname); + struct reftable_merged_table *mt = reftable_stack_merged_table(stack); + struct reftable_log_record *logs = NULL; + struct reftable_log_record *rewritten = NULL; + struct reftable_ref_record ref_record = {0}; + struct reftable_iterator it = {0}; + struct reftable_addition *add = NULL; + struct reflog_expiry_arg arg = {0}; + struct object_id oid = {0}; + uint8_t *last_hash = NULL; + size_t logs_nr = 0, logs_alloc = 0, i; + int ret; + + if (refs->err < 0) + return refs->err; + + ret = reftable_stack_reload(stack); + if (ret < 0) + goto done; + + ret = reftable_merged_table_seek_log(mt, &it, refname); + if (ret < 0) + goto done; + + ret = reftable_stack_new_addition(&add, stack); + if (ret < 0) + goto done; + + ret = reftable_stack_read_ref(stack, refname, &ref_record); + if (ret < 0) + goto done; + if (reftable_ref_record_val1(&ref_record)) + oidread(&oid, reftable_ref_record_val1(&ref_record)); + prepare_fn(refname, &oid, policy_cb_data); + + while (1) { + struct reftable_log_record log = {0}; + struct object_id old_oid, new_oid; + + ret = reftable_iterator_next_log(&it, &log); + if (ret < 0) + goto done; + if (ret > 0 || strcmp(log.refname, refname)) { + reftable_log_record_release(&log); + break; + } + + oidread(&old_oid, log.value.update.old_hash); + oidread(&new_oid, log.value.update.new_hash); + + /* + * Skip over the reflog existence marker. We will add it back + * in when there are no live reflog records. + */ + if (is_null_oid(&old_oid) && is_null_oid(&new_oid)) { + reftable_log_record_release(&log); + continue; + } + + ALLOC_GROW(logs, logs_nr + 1, logs_alloc); + logs[logs_nr++] = log; + } + + /* + * We need to rewrite all reflog entries according to the pruning + * callback function: + * + * - If a reflog entry shall be pruned we mark the record for + * deletion. + * + * - Otherwise we may have to rewrite the chain of reflog entries so + * that gaps created by just-deleted records get backfilled. + */ + CALLOC_ARRAY(rewritten, logs_nr); + for (i = logs_nr; i--;) { + struct reftable_log_record *dest = &rewritten[i]; + struct object_id old_oid, new_oid; + + *dest = logs[i]; + oidread(&old_oid, logs[i].value.update.old_hash); + oidread(&new_oid, logs[i].value.update.new_hash); + + if (should_prune_fn(&old_oid, &new_oid, logs[i].value.update.email, + (timestamp_t)logs[i].value.update.time, + logs[i].value.update.tz_offset, + logs[i].value.update.message, + policy_cb_data)) { + dest->value_type = REFTABLE_LOG_DELETION; + } else { + if ((flags & EXPIRE_REFLOGS_REWRITE) && last_hash) + memcpy(dest->value.update.old_hash, last_hash, GIT_MAX_RAWSZ); + last_hash = logs[i].value.update.new_hash; + } + } + + if (flags & EXPIRE_REFLOGS_UPDATE_REF && last_hash && + reftable_ref_record_val1(&ref_record)) + oidread(&arg.update_oid, last_hash); + + arg.records = rewritten; + arg.len = logs_nr; + arg.stack = stack, + arg.refname = refname, + + ret = reftable_addition_add(add, &write_reflog_expiry_table, &arg); + if (ret < 0) + goto done; + + /* + * Future improvement: we could skip writing records that were + * not changed. + */ + if (!(flags & EXPIRE_REFLOGS_DRY_RUN)) + ret = reftable_addition_commit(add); + +done: + if (add) + cleanup_fn(policy_cb_data); + assert(ret != REFTABLE_API_ERROR); + + reftable_ref_record_release(&ref_record); + reftable_iterator_destroy(&it); + reftable_addition_destroy(add); + for (i = 0; i < logs_nr; i++) + reftable_log_record_release(&logs[i]); + free(logs); + free(rewritten); + return ret; +} + +struct ref_storage_be refs_be_reftable = { + .name = "reftable", + .init = reftable_be_init, + .init_db = reftable_be_init_db, + .transaction_prepare = reftable_be_transaction_prepare, + .transaction_finish = reftable_be_transaction_finish, + .transaction_abort = reftable_be_transaction_abort, + .initial_transaction_commit = reftable_be_initial_transaction_commit, + + .pack_refs = reftable_be_pack_refs, + .create_symref = reftable_be_create_symref, + .rename_ref = reftable_be_rename_ref, + .copy_ref = reftable_be_copy_ref, + + .iterator_begin = reftable_be_iterator_begin, + .read_raw_ref = reftable_be_read_raw_ref, + .read_symbolic_ref = reftable_be_read_symbolic_ref, + + .reflog_iterator_begin = reftable_be_reflog_iterator_begin, + .for_each_reflog_ent = reftable_be_for_each_reflog_ent, + .for_each_reflog_ent_reverse = reftable_be_for_each_reflog_ent_reverse, + .reflog_exists = reftable_be_reflog_exists, + .create_reflog = reftable_be_create_reflog, + .delete_reflog = reftable_be_delete_reflog, + .reflog_expire = reftable_be_reflog_expire, +}; diff --git a/reftable/block.c b/reftable/block.c index ce8a7d24f3..e2a2cee58d 100644 --- a/reftable/block.c +++ b/reftable/block.c @@ -291,9 +291,8 @@ static int restart_key_less(size_t idx, void *args) /* the restart key is verbatim in the block, so this could avoid the alloc for decoding the key */ struct strbuf rkey = STRBUF_INIT; - struct strbuf last_key = STRBUF_INIT; uint8_t unused_extra; - int n = reftable_decode_key(&rkey, &unused_extra, last_key, in); + int n = reftable_decode_key(&rkey, &unused_extra, in); int result; if (n < 0) { a->error = 1; @@ -302,7 +301,7 @@ static int restart_key_less(size_t idx, void *args) result = strbuf_cmp(&a->key, &rkey); strbuf_release(&rkey); - return result; + return result < 0; } void block_iter_copy_from(struct block_iter *dest, struct block_iter *src) @@ -326,36 +325,35 @@ int block_iter_next(struct block_iter *it, struct reftable_record *rec) if (it->next_off >= it->br->block_len) return 1; - n = reftable_decode_key(&it->key, &extra, it->last_key, in); + n = reftable_decode_key(&it->last_key, &extra, in); if (n < 0) return -1; - - if (!it->key.len) + if (!it->last_key.len) return REFTABLE_FORMAT_ERROR; string_view_consume(&in, n); - n = reftable_record_decode(rec, it->key, extra, in, it->br->hash_size); + n = reftable_record_decode(rec, it->last_key, extra, in, it->br->hash_size, + &it->scratch); if (n < 0) return -1; string_view_consume(&in, n); - strbuf_reset(&it->last_key); - strbuf_addbuf(&it->last_key, &it->key); it->next_off += start.len - in.len; return 0; } int block_reader_first_key(struct block_reader *br, struct strbuf *key) { - struct strbuf empty = STRBUF_INIT; - int off = br->header_off + 4; + int off = br->header_off + 4, n; struct string_view in = { .buf = br->block.data + off, .len = br->block_len - off, }; - uint8_t extra = 0; - int n = reftable_decode_key(key, &extra, empty, in); + + strbuf_reset(key); + + n = reftable_decode_key(key, &extra, in); if (n < 0) return n; if (!key->len) @@ -372,7 +370,7 @@ int block_iter_seek(struct block_iter *it, struct strbuf *want) void block_iter_close(struct block_iter *it) { strbuf_release(&it->last_key); - strbuf_release(&it->key); + strbuf_release(&it->scratch); } int block_reader_seek(struct block_reader *br, struct block_iter *it, @@ -409,8 +407,8 @@ int block_reader_seek(struct block_reader *br, struct block_iter *it, if (err < 0) goto done; - reftable_record_key(&rec, &it->key); - if (err > 0 || strbuf_cmp(&it->key, want) >= 0) { + reftable_record_key(&rec, &it->last_key); + if (err > 0 || strbuf_cmp(&it->last_key, want) >= 0) { err = 0; goto done; } diff --git a/reftable/block.h b/reftable/block.h index 17481e6331..47acc62c0a 100644 --- a/reftable/block.h +++ b/reftable/block.h @@ -84,12 +84,12 @@ struct block_iter { /* key for last entry we read. */ struct strbuf last_key; - struct strbuf key; + struct strbuf scratch; }; #define BLOCK_ITER_INIT { \ .last_key = STRBUF_INIT, \ - .key = STRBUF_INIT, \ + .scratch = STRBUF_INIT, \ } /* initializes a block reader. */ diff --git a/reftable/iter.c b/reftable/iter.c index 8b5ebf6183..7aa30c4a51 100644 --- a/reftable/iter.c +++ b/reftable/iter.c @@ -16,11 +16,6 @@ https://developers.google.com/open-source/licenses/bsd #include "reader.h" #include "reftable-error.h" -int iterator_is_null(struct reftable_iterator *it) -{ - return !it->ops; -} - static void filtering_ref_iterator_close(void *iter_arg) { struct filtering_ref_iterator *fri = iter_arg; diff --git a/reftable/iter.h b/reftable/iter.h index 47d67d84df..537431baba 100644 --- a/reftable/iter.h +++ b/reftable/iter.h @@ -16,10 +16,6 @@ https://developers.google.com/open-source/licenses/bsd #include "reftable-iterator.h" #include "reftable-generic.h" -/* Returns true for a zeroed out iterator, such as the one returned from - * iterator_destroy. */ -int iterator_is_null(struct reftable_iterator *it); - /* iterator that produces only ref records that point to `oid` */ struct filtering_ref_iterator { int double_check; diff --git a/reftable/merged.c b/reftable/merged.c index a0f222e07b..f85a24c678 100644 --- a/reftable/merged.c +++ b/reftable/merged.c @@ -17,23 +17,37 @@ https://developers.google.com/open-source/licenses/bsd #include "reftable-error.h" #include "system.h" +struct merged_subiter { + struct reftable_iterator iter; + struct reftable_record rec; +}; + +struct merged_iter { + struct merged_subiter *subiters; + struct merged_iter_pqueue pq; + uint32_t hash_id; + size_t stack_len; + uint8_t typ; + int suppress_deletions; + ssize_t advance_index; +}; + static int merged_iter_init(struct merged_iter *mi) { for (size_t i = 0; i < mi->stack_len; i++) { struct pq_entry e = { .index = i, + .rec = &mi->subiters[i].rec, }; int err; - reftable_record_init(&e.rec, mi->typ); - err = iterator_next(&mi->stack[i], &e.rec); + reftable_record_init(&mi->subiters[i].rec, mi->typ); + err = iterator_next(&mi->subiters[i].iter, + &mi->subiters[i].rec); if (err < 0) return err; - if (err > 0) { - reftable_iterator_destroy(&mi->stack[i]); - reftable_record_release(&e.rec); + if (err > 0) continue; - } merged_iter_pqueue_add(&mi->pq, &e); } @@ -46,56 +60,66 @@ static void merged_iter_close(void *p) struct merged_iter *mi = p; merged_iter_pqueue_release(&mi->pq); - for (size_t i = 0; i < mi->stack_len; i++) - reftable_iterator_destroy(&mi->stack[i]); - reftable_free(mi->stack); - strbuf_release(&mi->key); - strbuf_release(&mi->entry_key); + for (size_t i = 0; i < mi->stack_len; i++) { + reftable_iterator_destroy(&mi->subiters[i].iter); + reftable_record_release(&mi->subiters[i].rec); + } + reftable_free(mi->subiters); } -static int merged_iter_advance_nonnull_subiter(struct merged_iter *mi, - size_t idx) +static int merged_iter_advance_subiter(struct merged_iter *mi, size_t idx) { struct pq_entry e = { .index = idx, + .rec = &mi->subiters[idx].rec, }; int err; - reftable_record_init(&e.rec, mi->typ); - err = iterator_next(&mi->stack[idx], &e.rec); - if (err < 0) + err = iterator_next(&mi->subiters[idx].iter, &mi->subiters[idx].rec); + if (err) return err; - if (err > 0) { - reftable_iterator_destroy(&mi->stack[idx]); - reftable_record_release(&e.rec); - return 0; - } - merged_iter_pqueue_add(&mi->pq, &e); return 0; } -static int merged_iter_advance_subiter(struct merged_iter *mi, size_t idx) -{ - if (iterator_is_null(&mi->stack[idx])) - return 0; - return merged_iter_advance_nonnull_subiter(mi, idx); -} - static int merged_iter_next_entry(struct merged_iter *mi, struct reftable_record *rec) { struct pq_entry entry = { 0 }; - int err = 0; + int err = 0, empty; + + empty = merged_iter_pqueue_is_empty(mi->pq); + + if (mi->advance_index >= 0) { + /* + * When there are no pqueue entries then we only have a single + * subiter left. There is no need to use the pqueue in that + * case anymore as we know that the subiter will return entries + * in the correct order already. + * + * While this may sound like a very specific edge case, it may + * happen more frequently than you think. Most repositories + * will end up having a single large base table that contains + * most of the refs. It's thus likely that we exhaust all + * subiters but the one from that base ref. + */ + if (empty) + return iterator_next(&mi->subiters[mi->advance_index].iter, + rec); + + err = merged_iter_advance_subiter(mi, mi->advance_index); + if (err < 0) + return err; + if (!err) + empty = 0; + mi->advance_index = -1; + } - if (merged_iter_pqueue_is_empty(mi->pq)) + if (empty) return 1; entry = merged_iter_pqueue_remove(&mi->pq); - err = merged_iter_advance_subiter(mi, entry.index); - if (err < 0) - return err; /* One can also use reftable as datacenter-local storage, where the ref @@ -105,55 +129,38 @@ static int merged_iter_next_entry(struct merged_iter *mi, such a deployment, the loop below must be changed to collect all entries for the same key, and return new the newest one. */ - reftable_record_key(&entry.rec, &mi->entry_key); while (!merged_iter_pqueue_is_empty(mi->pq)) { struct pq_entry top = merged_iter_pqueue_top(mi->pq); - int cmp = 0; - - reftable_record_key(&top.rec, &mi->key); + int cmp; - cmp = strbuf_cmp(&mi->key, &mi->entry_key); + cmp = reftable_record_cmp(top.rec, entry.rec); if (cmp > 0) break; merged_iter_pqueue_remove(&mi->pq); err = merged_iter_advance_subiter(mi, top.index); if (err < 0) - goto done; - reftable_record_release(&top.rec); + return err; } - reftable_record_release(rec); - *rec = entry.rec; - -done: - if (err) - reftable_record_release(&entry.rec); - return err; + mi->advance_index = entry.index; + SWAP(*rec, *entry.rec); + return 0; } -static int merged_iter_next(struct merged_iter *mi, struct reftable_record *rec) +static int merged_iter_next_void(void *p, struct reftable_record *rec) { + struct merged_iter *mi = p; while (1) { int err = merged_iter_next_entry(mi, rec); - if (err == 0 && mi->suppress_deletions && - reftable_record_is_deletion(rec)) { + if (err) + return err; + if (mi->suppress_deletions && reftable_record_is_deletion(rec)) continue; - } - - return err; + return 0; } } -static int merged_iter_next_void(void *p, struct reftable_record *rec) -{ - struct merged_iter *mi = p; - if (merged_iter_pqueue_is_empty(mi->pq)) - return 1; - - return merged_iter_next(mi, rec); -} - static struct reftable_iterator_vtable merged_iter_vtable = { .next = &merged_iter_next_void, .close = &merged_iter_close, @@ -243,16 +250,15 @@ static int merged_table_seek_record(struct reftable_merged_table *mt, .typ = reftable_record_type(rec), .hash_id = mt->hash_id, .suppress_deletions = mt->suppress_deletions, - .key = STRBUF_INIT, - .entry_key = STRBUF_INIT, + .advance_index = -1, }; struct merged_iter *p; int err; - REFTABLE_CALLOC_ARRAY(merged.stack, mt->stack_len); + REFTABLE_CALLOC_ARRAY(merged.subiters, mt->stack_len); for (size_t i = 0; i < mt->stack_len; i++) { err = reftable_table_seek_record(&mt->stack[i], - &merged.stack[merged.stack_len], rec); + &merged.subiters[merged.stack_len].iter, rec); if (err < 0) goto out; if (!err) diff --git a/reftable/merged.h b/reftable/merged.h index d5b39dfe7f..a2571dbc99 100644 --- a/reftable/merged.h +++ b/reftable/merged.h @@ -9,7 +9,7 @@ https://developers.google.com/open-source/licenses/bsd #ifndef MERGED_H #define MERGED_H -#include "pq.h" +#include "system.h" struct reftable_merged_table { struct reftable_table *stack; @@ -24,17 +24,6 @@ struct reftable_merged_table { uint64_t max; }; -struct merged_iter { - struct reftable_iterator *stack; - uint32_t hash_id; - size_t stack_len; - uint8_t typ; - int suppress_deletions; - struct merged_iter_pqueue pq; - struct strbuf key; - struct strbuf entry_key; -}; - void merged_table_release(struct reftable_merged_table *mt); #endif diff --git a/reftable/merged_test.c b/reftable/merged_test.c index d0f77a3b8f..530fc82d1c 100644 --- a/reftable/merged_test.c +++ b/reftable/merged_test.c @@ -289,16 +289,13 @@ merged_table_from_log_records(struct reftable_log_record **logs, static void test_merged_logs(void) { - uint8_t hash1[GIT_SHA1_RAWSZ] = { 1 }; - uint8_t hash2[GIT_SHA1_RAWSZ] = { 2 }; - uint8_t hash3[GIT_SHA1_RAWSZ] = { 3 }; struct reftable_log_record r1[] = { { .refname = "a", .update_index = 2, .value_type = REFTABLE_LOG_UPDATE, .value.update = { - .old_hash = hash2, + .old_hash = { 2 }, /* deletion */ .name = "jane doe", .email = "jane@invalid", @@ -310,8 +307,8 @@ static void test_merged_logs(void) .update_index = 1, .value_type = REFTABLE_LOG_UPDATE, .value.update = { - .old_hash = hash1, - .new_hash = hash2, + .old_hash = { 1 }, + .new_hash = { 2 }, .name = "jane doe", .email = "jane@invalid", .message = "message1", @@ -324,7 +321,7 @@ static void test_merged_logs(void) .update_index = 3, .value_type = REFTABLE_LOG_UPDATE, .value.update = { - .new_hash = hash3, + .new_hash = { 3 }, .name = "jane doe", .email = "jane@invalid", .message = "message3", diff --git a/reftable/pq.c b/reftable/pq.c index 2461daf5ff..7fb45d8c60 100644 --- a/reftable/pq.c +++ b/reftable/pq.c @@ -14,33 +14,12 @@ https://developers.google.com/open-source/licenses/bsd int pq_less(struct pq_entry *a, struct pq_entry *b) { - struct strbuf ak = STRBUF_INIT; - struct strbuf bk = STRBUF_INIT; - int cmp = 0; - reftable_record_key(&a->rec, &ak); - reftable_record_key(&b->rec, &bk); - - cmp = strbuf_cmp(&ak, &bk); - - strbuf_release(&ak); - strbuf_release(&bk); - + int cmp = reftable_record_cmp(a->rec, b->rec); if (cmp == 0) return a->index > b->index; - return cmp < 0; } -struct pq_entry merged_iter_pqueue_top(struct merged_iter_pqueue pq) -{ - return pq.heap[0]; -} - -int merged_iter_pqueue_is_empty(struct merged_iter_pqueue pq) -{ - return pq.len == 0; -} - struct pq_entry merged_iter_pqueue_remove(struct merged_iter_pqueue *pq) { int i = 0; @@ -93,10 +72,6 @@ void merged_iter_pqueue_add(struct merged_iter_pqueue *pq, const struct pq_entry void merged_iter_pqueue_release(struct merged_iter_pqueue *pq) { - int i = 0; - for (i = 0; i < pq->len; i++) { - reftable_record_release(&pq->heap[i].rec); - } FREE_AND_NULL(pq->heap); - pq->len = pq->cap = 0; + memset(pq, 0, sizeof(*pq)); } diff --git a/reftable/pq.h b/reftable/pq.h index e85bac9b52..f796c23179 100644 --- a/reftable/pq.h +++ b/reftable/pq.h @@ -12,8 +12,8 @@ https://developers.google.com/open-source/licenses/bsd #include "record.h" struct pq_entry { - int index; - struct reftable_record rec; + size_t index; + struct reftable_record *rec; }; struct merged_iter_pqueue { @@ -22,12 +22,20 @@ struct merged_iter_pqueue { size_t cap; }; -struct pq_entry merged_iter_pqueue_top(struct merged_iter_pqueue pq); -int merged_iter_pqueue_is_empty(struct merged_iter_pqueue pq); void merged_iter_pqueue_check(struct merged_iter_pqueue pq); struct pq_entry merged_iter_pqueue_remove(struct merged_iter_pqueue *pq); void merged_iter_pqueue_add(struct merged_iter_pqueue *pq, const struct pq_entry *e); void merged_iter_pqueue_release(struct merged_iter_pqueue *pq); int pq_less(struct pq_entry *a, struct pq_entry *b); +static inline struct pq_entry merged_iter_pqueue_top(struct merged_iter_pqueue pq) +{ + return pq.heap[0]; +} + +static inline int merged_iter_pqueue_is_empty(struct merged_iter_pqueue pq) +{ + return pq.len == 0; +} + #endif diff --git a/reftable/pq_test.c b/reftable/pq_test.c index c202eff848..b7d3c80cc7 100644 --- a/reftable/pq_test.c +++ b/reftable/pq_test.c @@ -27,48 +27,43 @@ void merged_iter_pqueue_check(struct merged_iter_pqueue pq) static void test_pq(void) { - char *names[54] = { NULL }; - int N = ARRAY_SIZE(names) - 1; - struct merged_iter_pqueue pq = { NULL }; + struct reftable_record recs[54]; + int N = ARRAY_SIZE(recs) - 1, i; char *last = NULL; - int i = 0; for (i = 0; i < N; i++) { - char name[100]; - snprintf(name, sizeof(name), "%02d", i); - names[i] = xstrdup(name); + struct strbuf refname = STRBUF_INIT; + strbuf_addf(&refname, "%02d", i); + + reftable_record_init(&recs[i], BLOCK_TYPE_REF); + recs[i].u.ref.refname = strbuf_detach(&refname, NULL); } i = 1; do { - struct pq_entry e = { .rec = { .type = BLOCK_TYPE_REF, - .u.ref = { - .refname = names[i], - } } }; + struct pq_entry e = { + .rec = &recs[i], + }; + merged_iter_pqueue_add(&pq, &e); merged_iter_pqueue_check(pq); + i = (i * 7) % N; } while (i != 1); while (!merged_iter_pqueue_is_empty(pq)) { struct pq_entry e = merged_iter_pqueue_remove(&pq); - struct reftable_record *rec = &e.rec; merged_iter_pqueue_check(pq); - EXPECT(reftable_record_type(rec) == BLOCK_TYPE_REF); - if (last) { - EXPECT(strcmp(last, rec->u.ref.refname) < 0); - } - /* this is names[i], so don't dealloc. */ - last = rec->u.ref.refname; - rec->u.ref.refname = NULL; - reftable_record_release(rec); - } - for (i = 0; i < N; i++) { - reftable_free(names[i]); + EXPECT(reftable_record_type(e.rec) == BLOCK_TYPE_REF); + if (last) + EXPECT(strcmp(last, e.rec->u.ref.refname) < 0); + last = e.rec->u.ref.refname; } + for (i = 0; i < N; i++) + reftable_record_release(&recs[i]); merged_iter_pqueue_release(&pq); } diff --git a/reftable/reader.c b/reftable/reader.c index 2663b03938..b113daab77 100644 --- a/reftable/reader.c +++ b/reftable/reader.c @@ -357,24 +357,32 @@ static int table_iter_next(struct table_iter *ti, struct reftable_record *rec) while (1) { struct table_iter next = TABLE_ITER_INIT; - int err = 0; - if (ti->is_finished) { + int err; + + if (ti->is_finished) return 1; - } + /* + * Check whether the current block still has more records. If + * so, return it. If the iterator returns positive then the + * current block has been exhausted. + */ err = table_iter_next_in_block(ti, rec); - if (err <= 0) { + if (err <= 0) return err; - } + /* + * Otherwise, we need to continue to the next block in the + * table and retry. If there are no more blocks then the + * iterator is drained. + */ err = table_iter_next_block(&next, ti); - if (err != 0) { - ti->is_finished = 1; - } table_iter_block_done(ti); - if (err != 0) { + if (err) { + ti->is_finished = 1; return err; } + table_iter_copy_from(ti, &next); block_iter_close(&next.bi); } diff --git a/reftable/readwrite_test.c b/reftable/readwrite_test.c index 363fe0f998..a6dbd214c5 100644 --- a/reftable/readwrite_test.c +++ b/reftable/readwrite_test.c @@ -77,18 +77,15 @@ static void write_table(char ***names, struct strbuf *buf, int N, } for (i = 0; i < N; i++) { - uint8_t hash[GIT_SHA256_RAWSZ] = { 0 }; char name[100]; int n; - set_test_hash(hash, i); - snprintf(name, sizeof(name), "refs/heads/branch%02d", i); log.refname = name; log.update_index = update_index; log.value_type = REFTABLE_LOG_UPDATE; - log.value.update.new_hash = hash; + set_test_hash(log.value.update.new_hash, i); log.value.update.message = "message"; n = reftable_writer_add_log(w, &log); @@ -137,13 +134,10 @@ static void test_log_buffer_size(void) /* This tests buffer extension for log compression. Must use a random hash, to ensure that the compressed part is larger than the original. */ - uint8_t hash1[GIT_SHA1_RAWSZ], hash2[GIT_SHA1_RAWSZ]; for (i = 0; i < GIT_SHA1_RAWSZ; i++) { - hash1[i] = (uint8_t)(git_rand() % 256); - hash2[i] = (uint8_t)(git_rand() % 256); + log.value.update.old_hash[i] = (uint8_t)(git_rand() % 256); + log.value.update.new_hash[i] = (uint8_t)(git_rand() % 256); } - log.value.update.old_hash = hash1; - log.value.update.new_hash = hash2; reftable_writer_set_limits(w, update_index, update_index); err = reftable_writer_add_log(w, &log); EXPECT_ERR(err); @@ -161,25 +155,26 @@ static void test_log_overflow(void) .block_size = ARRAY_SIZE(msg), }; int err; - struct reftable_log_record - log = { .refname = "refs/heads/master", - .update_index = 0xa, - .value_type = REFTABLE_LOG_UPDATE, - .value = { .update = { - .name = "Han-Wen Nienhuys", - .email = "hanwen@google.com", - .tz_offset = 100, - .time = 0x5e430672, - .message = msg, - } } }; + struct reftable_log_record log = { + .refname = "refs/heads/master", + .update_index = 0xa, + .value_type = REFTABLE_LOG_UPDATE, + .value = { + .update = { + .old_hash = { 1 }, + .new_hash = { 2 }, + .name = "Han-Wen Nienhuys", + .email = "hanwen@google.com", + .tz_offset = 100, + .time = 0x5e430672, + .message = msg, + }, + }, + }; struct reftable_writer *w = reftable_new_writer(&strbuf_add_void, &noop_flush, &buf, &opts); - uint8_t hash1[GIT_SHA1_RAWSZ] = {1}, hash2[GIT_SHA1_RAWSZ] = { 2 }; - memset(msg, 'x', sizeof(msg) - 1); - log.value.update.old_hash = hash1; - log.value.update.new_hash = hash2; reftable_writer_set_limits(w, update_index, update_index); err = reftable_writer_add_log(w, &log); EXPECT(err == REFTABLE_ENTRY_TOO_BIG_ERROR); @@ -219,16 +214,13 @@ static void test_log_write_read(void) EXPECT_ERR(err); } for (i = 0; i < N; i++) { - uint8_t hash1[GIT_SHA1_RAWSZ], hash2[GIT_SHA1_RAWSZ]; struct reftable_log_record log = { NULL }; - set_test_hash(hash1, i); - set_test_hash(hash2, i + 1); log.refname = names[i]; log.update_index = i; log.value_type = REFTABLE_LOG_UPDATE; - log.value.update.old_hash = hash1; - log.value.update.new_hash = hash2; + set_test_hash(log.value.update.old_hash, i); + set_test_hash(log.value.update.new_hash, i + 1); err = reftable_writer_add_log(w, &log); EXPECT_ERR(err); @@ -298,18 +290,15 @@ static void test_log_zlib_corruption(void) struct reftable_writer *w = reftable_new_writer(&strbuf_add_void, &noop_flush, &buf, &opts); const struct reftable_stats *stats = NULL; - uint8_t hash1[GIT_SHA1_RAWSZ] = { 1 }; - uint8_t hash2[GIT_SHA1_RAWSZ] = { 2 }; char message[100] = { 0 }; int err, i, n; - struct reftable_log_record log = { .refname = "refname", .value_type = REFTABLE_LOG_UPDATE, .value = { .update = { - .new_hash = hash1, - .old_hash = hash2, + .new_hash = { 1 }, + .old_hash = { 2 }, .name = "My Name", .email = "myname@invalid", .message = message, @@ -821,13 +810,12 @@ static void test_write_multiple_indices(void) } for (i = 0; i < 100; i++) { - unsigned char hash[GIT_SHA1_RAWSZ] = {i}; struct reftable_log_record log = { .update_index = 1, .value_type = REFTABLE_LOG_UPDATE, .value.update = { - .old_hash = hash, - .new_hash = hash, + .old_hash = { i }, + .new_hash = { i }, }, }; diff --git a/reftable/record.c b/reftable/record.c index 26c5e43f9b..23b497adab 100644 --- a/reftable/record.c +++ b/reftable/record.c @@ -159,20 +159,19 @@ int reftable_encode_key(int *restart, struct string_view dest, return start.len - dest.len; } -int reftable_decode_key(struct strbuf *key, uint8_t *extra, - struct strbuf last_key, struct string_view in) +int reftable_decode_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 = get_var_int(&prefix_len, &in); + int n; + + n = get_var_int(&prefix_len, &in); if (n < 0) return -1; string_view_consume(&in, n); - if (prefix_len > last_key.len) - return -1; - n = get_var_int(&suffix_len, &in); if (n <= 0) return -1; @@ -181,12 +180,12 @@ int reftable_decode_key(struct strbuf *key, uint8_t *extra, *extra = (uint8_t)(suffix_len & 0x7); suffix_len >>= 3; - if (in.len < suffix_len) + if (in.len < suffix_len || + prefix_len > last_key->len) return -1; - strbuf_reset(key); - strbuf_add(key, last_key.buf, prefix_len); - strbuf_add(key, in.buf, suffix_len); + strbuf_setlen(last_key, prefix_len); + strbuf_add(last_key, in.buf, suffix_len); string_view_consume(&in, suffix_len); return start_len - in.len; @@ -205,14 +204,26 @@ static void reftable_ref_record_copy_from(void *rec, const void *src_rec, { struct reftable_ref_record *ref = rec; const struct reftable_ref_record *src = src_rec; + char *refname = NULL; + size_t refname_cap = 0; + assert(hash_size > 0); - /* This is simple and correct, but we could probably reuse the hash - * fields. */ + SWAP(refname, ref->refname); + SWAP(refname_cap, ref->refname_cap); reftable_ref_record_release(ref); + SWAP(ref->refname, refname); + SWAP(ref->refname_cap, refname_cap); + if (src->refname) { - ref->refname = xstrdup(src->refname); + size_t refname_len = strlen(src->refname); + + REFTABLE_ALLOC_GROW(ref->refname, refname_len + 1, + ref->refname_cap); + memcpy(ref->refname, src->refname, refname_len); + ref->refname[refname_len] = 0; } + ref->update_index = src->update_index; ref->value_type = src->value_type; switch (src->value_type) { @@ -363,24 +374,33 @@ static int reftable_ref_record_encode(const void *rec, struct string_view s, static int reftable_ref_record_decode(void *rec, struct strbuf key, uint8_t val_type, struct string_view in, - int hash_size) + int hash_size, struct strbuf *scratch) { struct reftable_ref_record *r = rec; struct string_view start = in; uint64_t update_index = 0; - int n = get_var_int(&update_index, &in); + const char *refname = NULL; + size_t refname_cap = 0; + int n; + + assert(hash_size > 0); + + n = get_var_int(&update_index, &in); if (n < 0) return n; string_view_consume(&in, n); + SWAP(refname, r->refname); + SWAP(refname_cap, r->refname_cap); reftable_ref_record_release(r); + SWAP(r->refname, refname); + SWAP(r->refname_cap, refname_cap); - assert(hash_size > 0); - - r->refname = reftable_realloc(r->refname, key.len + 1); + REFTABLE_ALLOC_GROW(r->refname, key.len + 1, r->refname_cap); memcpy(r->refname, key.buf, key.len); - r->update_index = update_index; r->refname[key.len] = 0; + + r->update_index = update_index; r->value_type = val_type; switch (val_type) { case REFTABLE_REF_VAL1: @@ -405,13 +425,12 @@ static int reftable_ref_record_decode(void *rec, struct strbuf key, break; case REFTABLE_REF_SYMREF: { - struct strbuf dest = STRBUF_INIT; - int n = decode_string(&dest, in); + int n = decode_string(scratch, in); if (n < 0) { return -1; } string_view_consume(&in, n); - r->value.symref = dest.buf; + r->value.symref = strbuf_detach(scratch, NULL); } break; case REFTABLE_REF_DELETION: @@ -430,7 +449,6 @@ static int reftable_ref_record_is_deletion_void(const void *p) (const struct reftable_ref_record *)p); } - static int reftable_ref_record_equal_void(const void *a, const void *b, int hash_size) { @@ -439,6 +457,13 @@ static int reftable_ref_record_equal_void(const void *a, return reftable_ref_record_equal(ra, rb, hash_size); } +static int reftable_ref_record_cmp_void(const void *_a, const void *_b) +{ + const struct reftable_ref_record *a = _a; + const struct reftable_ref_record *b = _b; + return strcmp(a->refname, b->refname); +} + static void reftable_ref_record_print_void(const void *rec, int hash_size) { @@ -455,6 +480,7 @@ static struct reftable_record_vtable reftable_ref_record_vtable = { .release = &reftable_ref_record_release_void, .is_deletion = &reftable_ref_record_is_deletion_void, .equal = &reftable_ref_record_equal_void, + .cmp = &reftable_ref_record_cmp_void, .print = &reftable_ref_record_print_void, }; @@ -552,7 +578,7 @@ static int reftable_obj_record_encode(const void *rec, struct string_view s, static int reftable_obj_record_decode(void *rec, struct strbuf key, uint8_t val_type, struct string_view in, - int hash_size) + int hash_size, struct strbuf *scratch UNUSED) { struct string_view start = in; struct reftable_obj_record *r = rec; @@ -561,6 +587,8 @@ static int reftable_obj_record_decode(void *rec, struct strbuf key, uint64_t last; int j; + reftable_obj_record_release(r); + REFTABLE_ALLOC_ARRAY(r->hash_prefix, key.len); memcpy(r->hash_prefix, key.buf, key.len); r->hash_prefix_len = key.len; @@ -627,6 +655,25 @@ static int reftable_obj_record_equal_void(const void *a, const void *b, int hash return 1; } +static int reftable_obj_record_cmp_void(const void *_a, const void *_b) +{ + const struct reftable_obj_record *a = _a; + const struct reftable_obj_record *b = _b; + int cmp; + + cmp = memcmp(a->hash_prefix, b->hash_prefix, + a->hash_prefix_len > b->hash_prefix_len ? + a->hash_prefix_len : b->hash_prefix_len); + if (cmp) + return cmp; + + /* + * When the prefix is the same then the object record that is longer is + * considered to be bigger. + */ + return a->hash_prefix_len - b->hash_prefix_len; +} + static struct reftable_record_vtable reftable_obj_record_vtable = { .key = &reftable_obj_record_key, .type = BLOCK_TYPE_OBJ, @@ -637,6 +684,7 @@ static struct reftable_record_vtable reftable_obj_record_vtable = { .release = &reftable_obj_record_release, .is_deletion = ¬_a_deletion, .equal = &reftable_obj_record_equal_void, + .cmp = &reftable_obj_record_cmp_void, .print = &reftable_obj_record_print, }; @@ -716,16 +764,10 @@ static void reftable_log_record_copy_from(void *rec, const void *src_rec, xstrdup(dst->value.update.message); } - if (dst->value.update.new_hash) { - REFTABLE_ALLOC_ARRAY(dst->value.update.new_hash, hash_size); - memcpy(dst->value.update.new_hash, - src->value.update.new_hash, hash_size); - } - if (dst->value.update.old_hash) { - REFTABLE_ALLOC_ARRAY(dst->value.update.old_hash, hash_size); - memcpy(dst->value.update.old_hash, - src->value.update.old_hash, hash_size); - } + memcpy(dst->value.update.new_hash, + src->value.update.new_hash, hash_size); + memcpy(dst->value.update.old_hash, + src->value.update.old_hash, hash_size); break; } } @@ -743,8 +785,6 @@ void reftable_log_record_release(struct reftable_log_record *r) case REFTABLE_LOG_DELETION: break; case REFTABLE_LOG_UPDATE: - reftable_free(r->value.update.new_hash); - reftable_free(r->value.update.old_hash); reftable_free(r->value.update.name); reftable_free(r->value.update.email); reftable_free(r->value.update.message); @@ -761,33 +801,20 @@ static uint8_t reftable_log_record_val_type(const void *rec) return reftable_log_record_is_deletion(log) ? 0 : 1; } -static uint8_t zero[GIT_SHA256_RAWSZ] = { 0 }; - static int reftable_log_record_encode(const void *rec, struct string_view s, int hash_size) { const struct reftable_log_record *r = rec; struct string_view start = s; int n = 0; - uint8_t *oldh = NULL; - uint8_t *newh = NULL; if (reftable_log_record_is_deletion(r)) return 0; - oldh = r->value.update.old_hash; - newh = r->value.update.new_hash; - if (!oldh) { - oldh = zero; - } - if (!newh) { - newh = zero; - } - if (s.len < 2 * hash_size) return -1; - memcpy(s.buf, oldh, hash_size); - memcpy(s.buf + hash_size, newh, hash_size); + memcpy(s.buf, r->value.update.old_hash, hash_size); + memcpy(s.buf + hash_size, r->value.update.new_hash, hash_size); string_view_consume(&s, 2 * hash_size); n = encode_string(r->value.update.name ? r->value.update.name : "", s); @@ -823,19 +850,18 @@ static int reftable_log_record_encode(const void *rec, struct string_view s, static int reftable_log_record_decode(void *rec, struct strbuf key, uint8_t val_type, struct string_view in, - int hash_size) + int hash_size, struct strbuf *scratch) { struct string_view start = in; struct reftable_log_record *r = rec; uint64_t max = 0; uint64_t ts = 0; - struct strbuf dest = STRBUF_INIT; int n; if (key.len <= 9 || key.buf[key.len - 9] != 0) return REFTABLE_FORMAT_ERROR; - r->refname = reftable_realloc(r->refname, key.len - 8); + REFTABLE_ALLOC_GROW(r->refname, key.len - 8, r->refname_cap); memcpy(r->refname, key.buf, key.len - 8); ts = get_be64(key.buf + key.len - 8); @@ -844,9 +870,8 @@ static int reftable_log_record_decode(void *rec, struct strbuf key, if (val_type != r->value_type) { switch (r->value_type) { case REFTABLE_LOG_UPDATE: - FREE_AND_NULL(r->value.update.old_hash); - FREE_AND_NULL(r->value.update.new_hash); FREE_AND_NULL(r->value.update.message); + r->value.update.message_cap = 0; FREE_AND_NULL(r->value.update.email); FREE_AND_NULL(r->value.update.name); break; @@ -862,36 +887,43 @@ static int reftable_log_record_decode(void *rec, struct strbuf key, if (in.len < 2 * hash_size) return REFTABLE_FORMAT_ERROR; - r->value.update.old_hash = - reftable_realloc(r->value.update.old_hash, hash_size); - r->value.update.new_hash = - reftable_realloc(r->value.update.new_hash, hash_size); - memcpy(r->value.update.old_hash, in.buf, hash_size); memcpy(r->value.update.new_hash, in.buf + hash_size, hash_size); string_view_consume(&in, 2 * hash_size); - n = decode_string(&dest, in); + n = decode_string(scratch, in); if (n < 0) goto done; string_view_consume(&in, n); - r->value.update.name = - reftable_realloc(r->value.update.name, dest.len + 1); - memcpy(r->value.update.name, dest.buf, dest.len); - r->value.update.name[dest.len] = 0; + /* + * In almost all cases we can expect the reflog name to not change for + * reflog entries as they are tied to the local identity, not to the + * target commits. As an optimization for this common case we can thus + * skip copying over the name in case it's accurate already. + */ + if (!r->value.update.name || + strcmp(r->value.update.name, scratch->buf)) { + r->value.update.name = + reftable_realloc(r->value.update.name, scratch->len + 1); + memcpy(r->value.update.name, scratch->buf, scratch->len); + r->value.update.name[scratch->len] = 0; + } - strbuf_reset(&dest); - n = decode_string(&dest, in); + n = decode_string(scratch, in); if (n < 0) goto done; string_view_consume(&in, n); - r->value.update.email = - reftable_realloc(r->value.update.email, dest.len + 1); - memcpy(r->value.update.email, dest.buf, dest.len); - r->value.update.email[dest.len] = 0; + /* Same as above, but for the reflog email. */ + if (!r->value.update.email || + strcmp(r->value.update.email, scratch->buf)) { + r->value.update.email = + reftable_realloc(r->value.update.email, scratch->len + 1); + memcpy(r->value.update.email, scratch->buf, scratch->len); + r->value.update.email[scratch->len] = 0; + } ts = 0; n = get_var_int(&ts, &in); @@ -905,22 +937,19 @@ static int reftable_log_record_decode(void *rec, struct strbuf key, r->value.update.tz_offset = get_be16(in.buf); string_view_consume(&in, 2); - strbuf_reset(&dest); - n = decode_string(&dest, in); + n = decode_string(scratch, in); if (n < 0) goto done; string_view_consume(&in, n); - r->value.update.message = - reftable_realloc(r->value.update.message, dest.len + 1); - memcpy(r->value.update.message, dest.buf, dest.len); - r->value.update.message[dest.len] = 0; + REFTABLE_ALLOC_GROW(r->value.update.message, scratch->len + 1, + r->value.update.message_cap); + memcpy(r->value.update.message, scratch->buf, scratch->len); + r->value.update.message[scratch->len] = 0; - strbuf_release(&dest); return start.len - in.len; done: - strbuf_release(&dest); return REFTABLE_FORMAT_ERROR; } @@ -936,17 +965,6 @@ static int null_streq(char *a, char *b) return 0 == strcmp(a, b); } -static int zero_hash_eq(uint8_t *a, uint8_t *b, int sz) -{ - if (!a) - a = zero; - - if (!b) - b = zero; - - return !memcmp(a, b, sz); -} - static int reftable_log_record_equal_void(const void *a, const void *b, int hash_size) { @@ -955,6 +973,22 @@ static int reftable_log_record_equal_void(const void *a, hash_size); } +static int reftable_log_record_cmp_void(const void *_a, const void *_b) +{ + const struct reftable_log_record *a = _a; + const struct reftable_log_record *b = _b; + int cmp = strcmp(a->refname, b->refname); + if (cmp) + return cmp; + + /* + * Note that the comparison here is reversed. This is because the + * update index is reversed when comparing keys. For reference, see how + * we handle this in reftable_log_record_key()`. + */ + return b->update_index - a->update_index; +} + int reftable_log_record_equal(const struct reftable_log_record *a, const struct reftable_log_record *b, int hash_size) { @@ -974,10 +1008,10 @@ int reftable_log_record_equal(const struct reftable_log_record *a, b->value.update.email) && null_streq(a->value.update.message, b->value.update.message) && - zero_hash_eq(a->value.update.old_hash, - b->value.update.old_hash, hash_size) && - zero_hash_eq(a->value.update.new_hash, - b->value.update.new_hash, hash_size); + !memcmp(a->value.update.old_hash, + b->value.update.old_hash, hash_size) && + !memcmp(a->value.update.new_hash, + b->value.update.new_hash, hash_size); } abort(); @@ -1004,6 +1038,7 @@ static struct reftable_record_vtable reftable_log_record_vtable = { .release = &reftable_log_record_release_void, .is_deletion = &reftable_log_record_is_deletion_void, .equal = &reftable_log_record_equal_void, + .cmp = &reftable_log_record_cmp_void, .print = &reftable_log_record_print_void, }; @@ -1054,7 +1089,7 @@ static int reftable_index_record_encode(const void *rec, struct string_view out, static int reftable_index_record_decode(void *rec, struct strbuf key, uint8_t val_type, struct string_view in, - int hash_size) + int hash_size, struct strbuf *scratch UNUSED) { struct string_view start = in; struct reftable_index_record *r = rec; @@ -1079,6 +1114,13 @@ static int reftable_index_record_equal(const void *a, const void *b, int hash_si return ia->offset == ib->offset && !strbuf_cmp(&ia->last_key, &ib->last_key); } +static int reftable_index_record_cmp(const void *_a, const void *_b) +{ + const struct reftable_index_record *a = _a; + const struct reftable_index_record *b = _b; + return strbuf_cmp(&a->last_key, &b->last_key); +} + static void reftable_index_record_print(const void *rec, int hash_size) { const struct reftable_index_record *idx = rec; @@ -1096,6 +1138,7 @@ static struct reftable_record_vtable reftable_index_record_vtable = { .release = &reftable_index_record_release, .is_deletion = ¬_a_deletion, .equal = &reftable_index_record_equal, + .cmp = &reftable_index_record_cmp, .print = &reftable_index_record_print, }; @@ -1104,11 +1147,6 @@ void reftable_record_key(struct reftable_record *rec, struct strbuf *dest) reftable_record_vtable(rec)->key(reftable_record_data(rec), dest); } -uint8_t reftable_record_type(struct reftable_record *rec) -{ - return rec->type; -} - int reftable_record_encode(struct reftable_record *rec, struct string_view dest, int hash_size) { @@ -1132,10 +1170,12 @@ uint8_t reftable_record_val_type(struct reftable_record *rec) } int reftable_record_decode(struct reftable_record *rec, struct strbuf key, - uint8_t extra, struct string_view src, int hash_size) + uint8_t extra, struct string_view src, int hash_size, + struct strbuf *scratch) { return reftable_record_vtable(rec)->decode(reftable_record_data(rec), - key, extra, src, hash_size); + key, extra, src, hash_size, + scratch); } void reftable_record_release(struct reftable_record *rec) @@ -1149,6 +1189,14 @@ int reftable_record_is_deletion(struct reftable_record *rec) reftable_record_data(rec)); } +int reftable_record_cmp(struct reftable_record *a, struct reftable_record *b) +{ + if (a->type != b->type) + BUG("cannot compare reftable records of different type"); + return reftable_record_vtable(a)->cmp( + reftable_record_data(a), reftable_record_data(b)); +} + int reftable_record_equal(struct reftable_record *a, struct reftable_record *b, int hash_size) { if (a->type != b->type) @@ -1222,12 +1270,6 @@ int reftable_log_record_is_deletion(const struct reftable_log_record *log) return (log->value_type == REFTABLE_LOG_DELETION); } -void string_view_consume(struct string_view *s, int n) -{ - s->buf += n; - s->len -= n; -} - static void *reftable_record_data(struct reftable_record *rec) { switch (rec->type) { diff --git a/reftable/record.h b/reftable/record.h index e64ed30c80..826ee1c55c 100644 --- a/reftable/record.h +++ b/reftable/record.h @@ -25,7 +25,11 @@ struct string_view { }; /* Advance `s.buf` by `n`, and decrease length. */ -void string_view_consume(struct string_view *s, int n); +static inline void string_view_consume(struct string_view *s, int n) +{ + s->buf += n; + s->len -= n; +} /* utilities for de/encoding varints */ @@ -51,7 +55,8 @@ struct reftable_record_vtable { /* decode data from `src` into the record. */ int (*decode)(void *rec, struct strbuf key, uint8_t extra, - struct string_view src, int hash_size); + struct string_view src, int hash_size, + struct strbuf *scratch); /* deallocate and null the record. */ void (*release)(void *rec); @@ -62,6 +67,12 @@ struct reftable_record_vtable { /* Are two records equal? This assumes they have the same type. Returns 0 for non-equal. */ int (*equal)(const void *a, const void *b, int hash_size); + /* + * Compare keys of two records with each other. The records must have + * the same type. + */ + int (*cmp)(const void *a, const void *b); + /* Print on stdout, for debugging. */ void (*print)(const void *rec, int hash_size); }; @@ -75,9 +86,12 @@ int reftable_encode_key(int *is_restart, struct string_view dest, struct strbuf prev_key, struct strbuf key, uint8_t extra); -/* Decode into `key` and `extra` from `in` */ -int reftable_decode_key(struct strbuf *key, uint8_t *extra, - struct strbuf last_key, struct string_view in); +/* + * Decode into `last_key` and `extra` from `in`. `last_key` is expected to + * contain the decoded key of the preceding record, if any. + */ +int reftable_decode_key(struct strbuf *last_key, uint8_t *extra, + struct string_view in); /* reftable_index_record are used internally to speed up lookups. */ struct reftable_index_record { @@ -114,10 +128,10 @@ struct reftable_record { void reftable_record_init(struct reftable_record *rec, uint8_t typ); /* see struct record_vtable */ +int reftable_record_cmp(struct reftable_record *a, struct reftable_record *b); int reftable_record_equal(struct reftable_record *a, struct reftable_record *b, int hash_size); void reftable_record_print(struct reftable_record *rec, int hash_size); void reftable_record_key(struct reftable_record *rec, struct strbuf *dest); -uint8_t reftable_record_type(struct reftable_record *rec); void reftable_record_copy_from(struct reftable_record *rec, struct reftable_record *src, int hash_size); uint8_t reftable_record_val_type(struct reftable_record *rec); @@ -125,9 +139,14 @@ int reftable_record_encode(struct reftable_record *rec, struct string_view dest, int hash_size); int reftable_record_decode(struct reftable_record *rec, struct strbuf key, uint8_t extra, struct string_view src, - int hash_size); + int hash_size, struct strbuf *scratch); int reftable_record_is_deletion(struct reftable_record *rec); +static inline uint8_t reftable_record_type(struct reftable_record *rec) +{ + return rec->type; +} + /* frees and zeroes out the embedded record */ void reftable_record_release(struct reftable_record *rec); diff --git a/reftable/record_test.c b/reftable/record_test.c index a86cff5526..c158ee79ff 100644 --- a/reftable/record_test.c +++ b/reftable/record_test.c @@ -99,6 +99,7 @@ static void set_hash(uint8_t *h, int j) static void test_reftable_ref_record_roundtrip(void) { + struct strbuf scratch = STRBUF_INIT; int i = 0; for (i = REFTABLE_REF_DELETION; i < REFTABLE_NR_REF_VALUETYPES; i++) { @@ -140,7 +141,7 @@ static void test_reftable_ref_record_roundtrip(void) EXPECT(n > 0); /* decode into a non-zero reftable_record to test for leaks. */ - m = reftable_record_decode(&out, key, i, dest, GIT_SHA1_RAWSZ); + m = reftable_record_decode(&out, key, i, dest, GIT_SHA1_RAWSZ, &scratch); EXPECT(n == m); EXPECT(reftable_ref_record_equal(&in.u.ref, &out.u.ref, @@ -150,6 +151,8 @@ static void test_reftable_ref_record_roundtrip(void) strbuf_release(&key); reftable_record_release(&out); } + + strbuf_release(&scratch); } static void test_reftable_log_record_equal(void) @@ -175,7 +178,6 @@ static void test_reftable_log_record_equal(void) static void test_reftable_log_record_roundtrip(void) { int i; - struct reftable_log_record in[] = { { .refname = xstrdup("refs/heads/master"), @@ -183,8 +185,6 @@ static void test_reftable_log_record_roundtrip(void) .value_type = REFTABLE_LOG_UPDATE, .value = { .update = { - .old_hash = reftable_malloc(GIT_SHA1_RAWSZ), - .new_hash = reftable_malloc(GIT_SHA1_RAWSZ), .name = xstrdup("han-wen"), .email = xstrdup("hanwen@google.com"), .message = xstrdup("test"), @@ -202,15 +202,10 @@ static void test_reftable_log_record_roundtrip(void) .refname = xstrdup("branch"), .update_index = 33, .value_type = REFTABLE_LOG_UPDATE, - .value = { - .update = { - .old_hash = reftable_malloc(GIT_SHA1_RAWSZ), - .new_hash = reftable_malloc(GIT_SHA1_RAWSZ), - /* rest of fields left empty. */ - }, - }, } }; + struct strbuf scratch = STRBUF_INIT; + set_test_hash(in[0].value.update.new_hash, 1); set_test_hash(in[0].value.update.old_hash, 2); set_test_hash(in[2].value.update.new_hash, 3); @@ -231,8 +226,6 @@ static void test_reftable_log_record_roundtrip(void) .value_type = REFTABLE_LOG_UPDATE, .value = { .update = { - .new_hash = reftable_calloc(GIT_SHA1_RAWSZ, 1), - .old_hash = reftable_calloc(GIT_SHA1_RAWSZ, 1), .name = xstrdup("old name"), .email = xstrdup("old@email"), .message = xstrdup("old message"), @@ -252,7 +245,7 @@ static void test_reftable_log_record_roundtrip(void) EXPECT(n >= 0); valtype = reftable_record_val_type(&rec); m = reftable_record_decode(&out, key, valtype, dest, - GIT_SHA1_RAWSZ); + GIT_SHA1_RAWSZ, &scratch); EXPECT(n == m); EXPECT(reftable_log_record_equal(&in[i], &out.u.log, @@ -261,6 +254,8 @@ static void test_reftable_log_record_roundtrip(void) strbuf_release(&key); reftable_record_release(&out); } + + strbuf_release(&scratch); } static void test_u24_roundtrip(void) @@ -295,7 +290,8 @@ static void test_key_roundtrip(void) EXPECT(!restart); EXPECT(n > 0); - m = reftable_decode_key(&roundtrip, &rt_extra, last_key, dest); + strbuf_addstr(&roundtrip, "refs/heads/master"); + m = reftable_decode_key(&roundtrip, &rt_extra, dest); EXPECT(n == m); EXPECT(0 == strbuf_cmp(&key, &roundtrip)); EXPECT(rt_extra == extra); @@ -309,23 +305,27 @@ static void test_reftable_obj_record_roundtrip(void) { uint8_t testHash1[GIT_SHA1_RAWSZ] = { 1, 2, 3, 4, 0 }; uint64_t till9[] = { 1, 2, 3, 4, 500, 600, 700, 800, 9000 }; - struct reftable_obj_record recs[3] = { { - .hash_prefix = testHash1, - .hash_prefix_len = 5, - .offsets = till9, - .offset_len = 3, - }, - { - .hash_prefix = testHash1, - .hash_prefix_len = 5, - .offsets = till9, - .offset_len = 9, - }, - { - .hash_prefix = testHash1, - .hash_prefix_len = 5, - } }; + struct reftable_obj_record recs[3] = { + { + .hash_prefix = testHash1, + .hash_prefix_len = 5, + .offsets = till9, + .offset_len = 3, + }, + { + .hash_prefix = testHash1, + .hash_prefix_len = 5, + .offsets = till9, + .offset_len = 9, + }, + { + .hash_prefix = testHash1, + .hash_prefix_len = 5, + }, + }; + struct strbuf scratch = STRBUF_INIT; int i = 0; + for (i = 0; i < ARRAY_SIZE(recs); i++) { uint8_t buffer[1024] = { 0 }; struct string_view dest = { @@ -349,13 +349,15 @@ static void test_reftable_obj_record_roundtrip(void) EXPECT(n > 0); extra = reftable_record_val_type(&in); m = reftable_record_decode(&out, key, extra, dest, - GIT_SHA1_RAWSZ); + GIT_SHA1_RAWSZ, &scratch); EXPECT(n == m); EXPECT(reftable_record_equal(&in, &out, GIT_SHA1_RAWSZ)); strbuf_release(&key); reftable_record_release(&out); } + + strbuf_release(&scratch); } static void test_reftable_index_record_roundtrip(void) @@ -372,6 +374,7 @@ static void test_reftable_index_record_roundtrip(void) .buf = buffer, .len = sizeof(buffer), }; + struct strbuf scratch = STRBUF_INIT; struct strbuf key = STRBUF_INIT; struct reftable_record out = { .type = BLOCK_TYPE_INDEX, @@ -389,13 +392,15 @@ static void test_reftable_index_record_roundtrip(void) EXPECT(n > 0); extra = reftable_record_val_type(&in); - m = reftable_record_decode(&out, key, extra, dest, GIT_SHA1_RAWSZ); + m = reftable_record_decode(&out, key, extra, dest, GIT_SHA1_RAWSZ, + &scratch); EXPECT(m == n); EXPECT(reftable_record_equal(&in, &out, GIT_SHA1_RAWSZ)); reftable_record_release(&out); strbuf_release(&key); + strbuf_release(&scratch); strbuf_release(&in.u.idx.last_key); } diff --git a/reftable/reftable-record.h b/reftable/reftable-record.h index bb6e99acd3..2a2943cd13 100644 --- a/reftable/reftable-record.h +++ b/reftable/reftable-record.h @@ -22,6 +22,7 @@ https://developers.google.com/open-source/licenses/bsd /* reftable_ref_record holds a ref database entry target_value */ struct reftable_ref_record { char *refname; /* Name of the ref, malloced. */ + size_t refname_cap; uint64_t update_index; /* Logical timestamp at which this value is * written */ @@ -73,6 +74,7 @@ int reftable_ref_record_equal(const struct reftable_ref_record *a, /* reftable_log_record holds a reflog entry */ struct reftable_log_record { char *refname; + size_t refname_cap; uint64_t update_index; /* logical timestamp of a transactional update. */ @@ -87,13 +89,14 @@ struct reftable_log_record { union { struct { - uint8_t *new_hash; - uint8_t *old_hash; + unsigned char new_hash[GIT_MAX_RAWSZ]; + unsigned char old_hash[GIT_MAX_RAWSZ]; char *name; char *email; uint64_t time; int16_t tz_offset; char *message; + size_t message_cap; } update; } value; }; diff --git a/reftable/stack.c b/reftable/stack.c index b64e55648a..1ecf1b9751 100644 --- a/reftable/stack.c +++ b/reftable/stack.c @@ -737,8 +737,9 @@ int reftable_addition_add(struct reftable_addition *add, struct strbuf tab_file_name = STRBUF_INIT; struct strbuf next_name = STRBUF_INIT; struct reftable_writer *wr = NULL; + struct tempfile *tab_file = NULL; int err = 0; - int tab_fd = 0; + int tab_fd; strbuf_reset(&next_name); format_name(&next_name, add->next_update_index, add->next_update_index); @@ -746,17 +747,20 @@ int reftable_addition_add(struct reftable_addition *add, stack_filename(&temp_tab_file_name, add->stack, next_name.buf); strbuf_addstr(&temp_tab_file_name, ".temp.XXXXXX"); - tab_fd = mkstemp(temp_tab_file_name.buf); - if (tab_fd < 0) { + tab_file = mks_tempfile(temp_tab_file_name.buf); + if (!tab_file) { err = REFTABLE_IO_ERROR; goto done; } if (add->stack->config.default_permissions) { - if (chmod(temp_tab_file_name.buf, add->stack->config.default_permissions)) { + if (chmod(get_tempfile_path(tab_file), + add->stack->config.default_permissions)) { err = REFTABLE_IO_ERROR; goto done; } } + tab_fd = get_tempfile_fd(tab_file); + wr = reftable_new_writer(reftable_fd_write, reftable_fd_flush, &tab_fd, &add->stack->config); err = write_table(wr, arg); @@ -771,14 +775,13 @@ int reftable_addition_add(struct reftable_addition *add, if (err < 0) goto done; - err = close(tab_fd); - tab_fd = 0; + err = close_tempfile_gently(tab_file); if (err < 0) { err = REFTABLE_IO_ERROR; goto done; } - err = stack_check_addition(add->stack, temp_tab_file_name.buf); + err = stack_check_addition(add->stack, get_tempfile_path(tab_file)); if (err < 0) goto done; @@ -789,14 +792,13 @@ int reftable_addition_add(struct reftable_addition *add, format_name(&next_name, wr->min_update_index, wr->max_update_index); strbuf_addstr(&next_name, ".ref"); - stack_filename(&tab_file_name, add->stack, next_name.buf); /* On windows, this relies on rand() picking a unique destination name. Maybe we should do retry loop as well? */ - err = rename(temp_tab_file_name.buf, tab_file_name.buf); + err = rename_tempfile(&tab_file, tab_file_name.buf); if (err < 0) { err = REFTABLE_IO_ERROR; goto done; @@ -806,14 +808,7 @@ int reftable_addition_add(struct reftable_addition *add, add->new_tables_cap); add->new_tables[add->new_tables_len++] = strbuf_detach(&next_name, NULL); done: - if (tab_fd > 0) { - close(tab_fd); - tab_fd = 0; - } - if (temp_tab_file_name.len > 0) { - unlink(temp_tab_file_name.buf); - } - + delete_tempfile(&tab_file); strbuf_release(&temp_tab_file_name); strbuf_release(&tab_file_name); strbuf_release(&next_name); @@ -832,51 +827,56 @@ uint64_t reftable_stack_next_update_index(struct reftable_stack *st) static int stack_compact_locked(struct reftable_stack *st, size_t first, size_t last, - struct strbuf *temp_tab, - struct reftable_log_expiry_config *config) + struct reftable_log_expiry_config *config, + struct tempfile **tab_file_out) { struct strbuf next_name = STRBUF_INIT; - int tab_fd = -1; + struct strbuf tab_file_path = STRBUF_INIT; struct reftable_writer *wr = NULL; - int err = 0; + struct tempfile *tab_file; + int tab_fd, err = 0; format_name(&next_name, reftable_reader_min_update_index(st->readers[first]), reftable_reader_max_update_index(st->readers[last])); + stack_filename(&tab_file_path, st, next_name.buf); + strbuf_addstr(&tab_file_path, ".temp.XXXXXX"); - stack_filename(temp_tab, st, next_name.buf); - strbuf_addstr(temp_tab, ".temp.XXXXXX"); + tab_file = mks_tempfile(tab_file_path.buf); + if (!tab_file) { + err = REFTABLE_IO_ERROR; + goto done; + } + tab_fd = get_tempfile_fd(tab_file); - tab_fd = mkstemp(temp_tab->buf); if (st->config.default_permissions && - chmod(temp_tab->buf, st->config.default_permissions) < 0) { + chmod(get_tempfile_path(tab_file), st->config.default_permissions) < 0) { err = REFTABLE_IO_ERROR; goto done; } - wr = reftable_new_writer(reftable_fd_write, reftable_fd_flush, &tab_fd, &st->config); - + wr = reftable_new_writer(reftable_fd_write, reftable_fd_flush, + &tab_fd, &st->config); err = stack_write_compact(st, wr, first, last, config); if (err < 0) goto done; + err = reftable_writer_close(wr); if (err < 0) goto done; - err = close(tab_fd); - tab_fd = 0; + err = close_tempfile_gently(tab_file); + if (err < 0) + goto done; + + *tab_file_out = tab_file; + tab_file = NULL; done: + delete_tempfile(&tab_file); reftable_writer_free(wr); - if (tab_fd > 0) { - close(tab_fd); - tab_fd = 0; - } - if (err != 0 && temp_tab->len > 0) { - unlink(temp_tab->buf); - strbuf_release(temp_tab); - } strbuf_release(&next_name); + strbuf_release(&tab_file_path); return err; } @@ -983,212 +983,200 @@ static int stack_compact_range(struct reftable_stack *st, size_t first, size_t last, struct reftable_log_expiry_config *expiry) { - char **delete_on_success = NULL, **subtable_locks = NULL, **listp = NULL; - struct strbuf temp_tab_file_name = STRBUF_INIT; + struct strbuf tables_list_buf = STRBUF_INIT; struct strbuf new_table_name = STRBUF_INIT; - struct strbuf lock_file_name = STRBUF_INIT; - struct strbuf ref_list_contents = STRBUF_INIT; struct strbuf new_table_path = STRBUF_INIT; - size_t i, j, compact_count; - int err = 0; - int have_lock = 0; - int lock_file_fd = -1; - int is_empty_table = 0; + struct strbuf table_name = STRBUF_INIT; + struct lock_file tables_list_lock = LOCK_INIT; + struct lock_file *table_locks = NULL; + struct tempfile *new_table = NULL; + int is_empty_table = 0, err = 0; + size_t i; if (first > last || (!expiry && first == last)) { err = 0; goto done; } - compact_count = last - first + 1; - REFTABLE_CALLOC_ARRAY(delete_on_success, compact_count + 1); - REFTABLE_CALLOC_ARRAY(subtable_locks, compact_count + 1); - st->stats.attempts++; - strbuf_reset(&lock_file_name); - strbuf_addstr(&lock_file_name, st->list_file); - strbuf_addstr(&lock_file_name, ".lock"); - - lock_file_fd = - open(lock_file_name.buf, O_EXCL | O_CREAT | O_WRONLY, 0666); - if (lock_file_fd < 0) { - if (errno == EEXIST) { + /* + * Hold the lock so that we can read "tables.list" and lock all tables + * which are part of the user-specified range. + */ + err = hold_lock_file_for_update(&tables_list_lock, st->list_file, + LOCK_NO_DEREF); + if (err < 0) { + if (errno == EEXIST) err = 1; - } else { + else err = REFTABLE_IO_ERROR; - } goto done; } - /* Don't want to write to the lock for now. */ - close(lock_file_fd); - lock_file_fd = -1; - have_lock = 1; err = stack_uptodate(st); - if (err != 0) + if (err) goto done; - for (i = first, j = 0; i <= last; i++) { - struct strbuf subtab_file_name = STRBUF_INIT; - struct strbuf subtab_lock = STRBUF_INIT; - int sublock_file_fd = -1; - - stack_filename(&subtab_file_name, st, - reader_name(st->readers[i])); - - strbuf_reset(&subtab_lock); - strbuf_addbuf(&subtab_lock, &subtab_file_name); - strbuf_addstr(&subtab_lock, ".lock"); + /* + * Lock all tables in the user-provided range. This is the slice of our + * stack which we'll compact. + */ + REFTABLE_CALLOC_ARRAY(table_locks, last - first + 1); + for (i = first; i <= last; i++) { + stack_filename(&table_name, st, reader_name(st->readers[i])); - sublock_file_fd = open(subtab_lock.buf, - O_EXCL | O_CREAT | O_WRONLY, 0666); - if (sublock_file_fd >= 0) { - close(sublock_file_fd); - } else if (sublock_file_fd < 0) { - if (errno == EEXIST) { + err = hold_lock_file_for_update(&table_locks[i - first], + table_name.buf, LOCK_NO_DEREF); + if (err < 0) { + if (errno == EEXIST) err = 1; - } else { + else err = REFTABLE_IO_ERROR; - } + goto done; } - subtable_locks[j] = subtab_lock.buf; - delete_on_success[j] = subtab_file_name.buf; - j++; - - if (err != 0) + /* + * We need to close the lockfiles as we might otherwise easily + * run into file descriptor exhaustion when we compress a lot + * of tables. + */ + err = close_lock_file_gently(&table_locks[i - first]); + if (err < 0) { + err = REFTABLE_IO_ERROR; goto done; + } } - err = unlink(lock_file_name.buf); - if (err < 0) + /* + * We have locked all tables in our range and can thus release the + * "tables.list" lock while compacting the locked tables. This allows + * concurrent updates to the stack to proceed. + */ + err = rollback_lock_file(&tables_list_lock); + if (err < 0) { + err = REFTABLE_IO_ERROR; goto done; - have_lock = 0; - - err = stack_compact_locked(st, first, last, &temp_tab_file_name, - expiry); - /* Compaction + tombstones can create an empty table out of non-empty - * tables. */ - is_empty_table = (err == REFTABLE_EMPTY_TABLE_ERROR); - if (is_empty_table) { - err = 0; } - if (err < 0) - goto done; - lock_file_fd = - open(lock_file_name.buf, O_EXCL | O_CREAT | O_WRONLY, 0666); - if (lock_file_fd < 0) { - if (errno == EEXIST) { + /* + * Compact the now-locked tables into a new table. Note that compacting + * these tables may end up with an empty new table in case tombstones + * end up cancelling out all refs in that range. + */ + err = stack_compact_locked(st, first, last, expiry, &new_table); + if (err < 0) { + if (err != REFTABLE_EMPTY_TABLE_ERROR) + goto done; + is_empty_table = 1; + } + + /* + * Now that we have written the new, compacted table we need to re-lock + * "tables.list". We'll then replace the compacted range of tables with + * the new table. + */ + err = hold_lock_file_for_update(&tables_list_lock, st->list_file, + LOCK_NO_DEREF); + if (err < 0) { + if (errno == EEXIST) err = 1; - } else { + else err = REFTABLE_IO_ERROR; - } goto done; } - have_lock = 1; + if (st->config.default_permissions) { - if (chmod(lock_file_name.buf, st->config.default_permissions) < 0) { + if (chmod(get_lock_file_path(&tables_list_lock), + st->config.default_permissions) < 0) { err = REFTABLE_IO_ERROR; goto done; } } - format_name(&new_table_name, st->readers[first]->min_update_index, - st->readers[last]->max_update_index); - strbuf_addstr(&new_table_name, ".ref"); - - stack_filename(&new_table_path, st, new_table_name.buf); - + /* + * If the resulting compacted table is not empty, then we need to move + * it into place now. + */ if (!is_empty_table) { - /* retry? */ - err = rename(temp_tab_file_name.buf, new_table_path.buf); + format_name(&new_table_name, st->readers[first]->min_update_index, + st->readers[last]->max_update_index); + strbuf_addstr(&new_table_name, ".ref"); + stack_filename(&new_table_path, st, new_table_name.buf); + + err = rename_tempfile(&new_table, new_table_path.buf); if (err < 0) { err = REFTABLE_IO_ERROR; goto done; } } - for (i = 0; i < first; i++) { - strbuf_addstr(&ref_list_contents, st->readers[i]->name); - strbuf_addstr(&ref_list_contents, "\n"); - } - if (!is_empty_table) { - strbuf_addbuf(&ref_list_contents, &new_table_name); - strbuf_addstr(&ref_list_contents, "\n"); - } - for (i = last + 1; i < st->merged->stack_len; i++) { - strbuf_addstr(&ref_list_contents, st->readers[i]->name); - strbuf_addstr(&ref_list_contents, "\n"); - } - - err = write_in_full(lock_file_fd, ref_list_contents.buf, ref_list_contents.len); - if (err < 0) { - err = REFTABLE_IO_ERROR; - unlink(new_table_path.buf); - goto done; - } - - err = fsync_component(FSYNC_COMPONENT_REFERENCE, lock_file_fd); + /* + * Write the new "tables.list" contents with the compacted table we + * have just written. In case the compacted table became empty we + * simply skip writing it. + */ + for (i = 0; i < first; i++) + strbuf_addf(&tables_list_buf, "%s\n", st->readers[i]->name); + if (!is_empty_table) + strbuf_addf(&tables_list_buf, "%s\n", new_table_name.buf); + for (i = last + 1; i < st->merged->stack_len; i++) + strbuf_addf(&tables_list_buf, "%s\n", st->readers[i]->name); + + err = write_in_full(get_lock_file_fd(&tables_list_lock), + tables_list_buf.buf, tables_list_buf.len); if (err < 0) { err = REFTABLE_IO_ERROR; unlink(new_table_path.buf); goto done; } - err = close(lock_file_fd); - lock_file_fd = -1; + err = fsync_component(FSYNC_COMPONENT_REFERENCE, get_lock_file_fd(&tables_list_lock)); if (err < 0) { err = REFTABLE_IO_ERROR; unlink(new_table_path.buf); goto done; } - err = rename(lock_file_name.buf, st->list_file); + err = commit_lock_file(&tables_list_lock); if (err < 0) { err = REFTABLE_IO_ERROR; unlink(new_table_path.buf); goto done; } - have_lock = 0; - /* Reload the stack before deleting. On windows, we can only delete the - files after we closed them. - */ + /* + * Reload the stack before deleting the compacted tables. We can only + * delete the files after we closed them on Windows, so this needs to + * happen first. + */ err = reftable_stack_reload_maybe_reuse(st, first < last); + if (err < 0) + goto done; - listp = delete_on_success; - while (*listp) { - if (strcmp(*listp, new_table_path.buf)) { - unlink(*listp); - } - listp++; + /* + * Delete the old tables. They may still be in use by concurrent + * readers, so it is expected that unlinking tables may fail. + */ + for (i = first; i <= last; i++) { + struct lock_file *table_lock = &table_locks[i - first]; + char *table_path = get_locked_file_path(table_lock); + unlink(table_path); + free(table_path); } done: - free_names(delete_on_success); + rollback_lock_file(&tables_list_lock); + for (i = first; table_locks && i <= last; i++) + rollback_lock_file(&table_locks[i - first]); + reftable_free(table_locks); - if (subtable_locks) { - listp = subtable_locks; - while (*listp) { - unlink(*listp); - listp++; - } - free_names(subtable_locks); - } - if (lock_file_fd >= 0) { - close(lock_file_fd); - lock_file_fd = -1; - } - if (have_lock) { - unlink(lock_file_name.buf); - } + delete_tempfile(&new_table); strbuf_release(&new_table_name); strbuf_release(&new_table_path); - strbuf_release(&ref_list_contents); - strbuf_release(&temp_tab_file_name); - strbuf_release(&lock_file_name); + + strbuf_release(&tables_list_buf); + strbuf_release(&table_name); return err; } diff --git a/reftable/stack_test.c b/reftable/stack_test.c index 509f486623..7336757cf5 100644 --- a/reftable/stack_test.c +++ b/reftable/stack_test.c @@ -468,8 +468,6 @@ static void test_reftable_stack_add(void) logs[i].refname = xstrdup(buf); logs[i].update_index = N + i + 1; logs[i].value_type = REFTABLE_LOG_UPDATE; - - logs[i].value.update.new_hash = reftable_malloc(GIT_SHA1_RAWSZ); logs[i].value.update.email = xstrdup("identity@invalid"); set_test_hash(logs[i].value.update.new_hash, i); } @@ -547,16 +545,17 @@ static void test_reftable_stack_log_normalize(void) }; struct reftable_stack *st = NULL; char *dir = get_tmp_dir(__LINE__); - - uint8_t h1[GIT_SHA1_RAWSZ] = { 0x01 }, h2[GIT_SHA1_RAWSZ] = { 0x02 }; - - struct reftable_log_record input = { .refname = "branch", - .update_index = 1, - .value_type = REFTABLE_LOG_UPDATE, - .value = { .update = { - .new_hash = h1, - .old_hash = h2, - } } }; + struct reftable_log_record input = { + .refname = "branch", + .update_index = 1, + .value_type = REFTABLE_LOG_UPDATE, + .value = { + .update = { + .new_hash = { 1 }, + .old_hash = { 2 }, + }, + }, + }; struct reftable_log_record dest = { .update_index = 0, }; @@ -627,8 +626,6 @@ static void test_reftable_stack_tombstone(void) logs[i].update_index = 42; if (i % 2 == 0) { logs[i].value_type = REFTABLE_LOG_UPDATE; - logs[i].value.update.new_hash = - reftable_malloc(GIT_SHA1_RAWSZ); set_test_hash(logs[i].value.update.new_hash, i); logs[i].value.update.email = xstrdup("identity@invalid"); @@ -810,7 +807,6 @@ static void test_reflog_expire(void) logs[i].update_index = i; logs[i].value_type = REFTABLE_LOG_UPDATE; logs[i].value.update.time = i; - logs[i].value.update.new_hash = reftable_malloc(GIT_SHA1_RAWSZ); logs[i].value.update.email = xstrdup("identity@invalid"); set_test_hash(logs[i].value.update.new_hash, i); } diff --git a/reftable/system.h b/reftable/system.h index 6b74a81514..5d8b6dede5 100644 --- a/reftable/system.h +++ b/reftable/system.h @@ -12,7 +12,9 @@ https://developers.google.com/open-source/licenses/bsd /* This header glues the reftable library to the rest of Git */ #include "git-compat-util.h" +#include "lockfile.h" #include "strbuf.h" +#include "tempfile.h" #include "hash-ll.h" /* hash ID, sizes.*/ #include "dir.h" /* remove_dir_recursively, for tests.*/ @@ -105,7 +105,7 @@ static int remotes_hash_cmp(const void *cmp_data UNUSED, b = container_of(entry_or_key, const struct remote, ent); if (key) - return strncmp(a->name, key->str, key->len) || a->name[key->len]; + return !!xstrncmpz(a->name, key->str, key->len); else return strcmp(a->name, b->name); } @@ -189,8 +189,7 @@ static int branches_hash_cmp(const void *cmp_data UNUSED, b = container_of(entry_or_key, const struct branch, ent); if (key) - return strncmp(a->name, key->str, key->len) || - a->name[key->len]; + return !!xstrncmpz(a->name, key->str, key->len); else return strcmp(a->name, b->name); } @@ -2680,7 +2679,7 @@ static int is_reachable_in_reflog(const char *local, const struct ref *remote) if (MERGE_BASES_BATCH_SIZE < size) size = MERGE_BASES_BATCH_SIZE; - if ((ret = repo_in_merge_bases_many(the_repository, commit, size, chunk))) + if ((ret = repo_in_merge_bases_many(the_repository, commit, size, chunk, 0))) break; } diff --git a/repository.c b/repository.c index 7aacb51b65..e15b416944 100644 --- a/repository.c +++ b/repository.c @@ -14,6 +14,7 @@ #include "read-cache-ll.h" #include "remote.h" #include "setup.h" +#include "loose.h" #include "submodule-config.h" #include "sparse-index.h" #include "trace2.h" @@ -104,6 +105,15 @@ void repo_set_hash_algo(struct repository *repo, int hash_algo) repo->hash_algo = &hash_algos[hash_algo]; } +void repo_set_compat_hash_algo(struct repository *repo, int algo) +{ + if (hash_algo_by_ptr(repo->hash_algo) == algo) + BUG("hash_algo and compat_hash_algo match"); + repo->compat_hash_algo = algo ? &hash_algos[algo] : NULL; + if (repo->compat_hash_algo) + repo_read_loose_object_map(repo); +} + void repo_set_ref_storage_format(struct repository *repo, unsigned int format) { repo->ref_storage_format = format; @@ -189,6 +199,7 @@ int repo_init(struct repository *repo, goto error; repo_set_hash_algo(repo, format.hash_algo); + repo_set_compat_hash_algo(repo, format.compat_hash_algo); repo_set_ref_storage_format(repo, format.ref_storage_format); repo->repository_format_worktree_config = format.worktree_config; @@ -199,6 +210,9 @@ int repo_init(struct repository *repo, if (worktree) repo_set_worktree(repo, worktree); + if (repo->compat_hash_algo) + repo_read_loose_object_map(repo); + clear_repository_format(&format); return 0; diff --git a/repository.h b/repository.h index 21949c5a17..268436779c 100644 --- a/repository.h +++ b/repository.h @@ -24,8 +24,9 @@ enum fetch_negotiation_setting { FETCH_NEGOTIATION_NOOP, }; -#define REF_STORAGE_FORMAT_UNKNOWN 0 -#define REF_STORAGE_FORMAT_FILES 1 +#define REF_STORAGE_FORMAT_UNKNOWN 0 +#define REF_STORAGE_FORMAT_FILES 1 +#define REF_STORAGE_FORMAT_REFTABLE 2 struct repo_settings { int initialized; @@ -162,6 +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; @@ -204,6 +208,7 @@ void repo_set_gitdir(struct repository *repo, const char *root, const struct set_gitdir_args *extra_args); void repo_set_worktree(struct repository *repo, const char *path); void repo_set_hash_algo(struct repository *repo, int algo); +void repo_set_compat_hash_algo(struct repository *repo, int compat_algo); void repo_set_ref_storage_format(struct repository *repo, unsigned int format); void initialize_the_repository(void); RESULT_MUST_BE_USED @@ -157,6 +157,11 @@ int reset_head(struct repository *r, const struct reset_head_opts *opts) } tree = parse_tree_indirect(oid); + if (!tree) { + ret = error(_("unable to read tree (%s)"), oid_to_hex(oid)); + goto leave_reset_head; + } + prime_cache_tree(r, r->index, tree); if (write_locked_index(r->index, &lock, COMMIT_LOCK) < 0) { diff --git a/revision.c b/revision.c index 2424c9bd67..7e45f765d9 100644 --- a/revision.c +++ b/revision.c @@ -81,7 +81,7 @@ static void mark_tree_contents_uninteresting(struct repository *r, if (parse_tree_gently(tree, 1) < 0) return; - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) { switch (object_type(entry.mode)) { case OBJ_TREE: @@ -188,7 +188,7 @@ static void add_children_by_path(struct repository *r, if (parse_tree_gently(tree, 1) < 0) return; - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) { switch (object_type(entry.mode)) { case OBJ_TREE: @@ -381,13 +381,18 @@ static struct object *get_reference(struct rev_info *revs, const char *name, object = parse_object_with_flags(revs->repo, oid, revs->verify_objects ? 0 : - PARSE_OBJECT_SKIP_HASH_CHECK); + PARSE_OBJECT_SKIP_HASH_CHECK | + PARSE_OBJECT_DISCARD_TREE); if (!object) { if (revs->ignore_missing) - return object; + return NULL; if (revs->exclude_promisor_objects && is_promisor_object(oid)) return NULL; + if (revs->do_not_die_on_missing_objects) { + oidset_insert(&revs->missing_commits, oid); + return NULL; + } die("bad object %s", name); } object->flags |= flags; @@ -415,15 +420,21 @@ static struct commit *handle_commit(struct rev_info *revs, */ while (object->type == OBJ_TAG) { struct tag *tag = (struct tag *) object; + struct object_id *oid; if (revs->tag_objects && !(flags & UNINTERESTING)) add_pending_object(revs, object, tag->tag); - object = parse_object(revs->repo, get_tagged_oid(tag)); + oid = get_tagged_oid(tag); + object = parse_object(revs->repo, oid); if (!object) { if (revs->ignore_missing_links || (flags & UNINTERESTING)) return NULL; if (revs->exclude_promisor_objects && is_promisor_object(&tag->tagged->oid)) return NULL; + if (revs->do_not_die_on_missing_objects && oid) { + oidset_insert(&revs->missing_commits, oid); + return NULL; + } die("bad object %s", oid_to_hex(&tag->tagged->oid)); } object->flags |= flags; @@ -1686,9 +1697,7 @@ static int handle_one_reflog_ent(struct object_id *ooid, struct object_id *noid, return 0; } -static int handle_one_reflog(const char *refname_in_wt, - const struct object_id *oid UNUSED, - int flag UNUSED, void *cb_data) +static int handle_one_reflog(const char *refname_in_wt, void *cb_data) { struct all_refs_cb *cb = cb_data; struct strbuf refname = STRBUF_INIT; @@ -1947,6 +1956,7 @@ void repo_init_revisions(struct repository *r, init_display_notes(&revs->notes_opt); list_objects_filter_init(&revs->filter); init_ref_exclusions(&revs->ref_excludes); + oidset_init(&revs->missing_commits, 0); } static void add_pending_commit_list(struct rev_info *revs, @@ -1961,11 +1971,31 @@ static void add_pending_commit_list(struct rev_info *revs, } } +static const char *lookup_other_head(struct object_id *oid) +{ + int i; + static const char *const other_head[] = { + "MERGE_HEAD", "CHERRY_PICK_HEAD", "REVERT_HEAD", "REBASE_HEAD" + }; + + for (i = 0; i < ARRAY_SIZE(other_head); i++) + if (!read_ref_full(other_head[i], + RESOLVE_REF_READING | RESOLVE_REF_NO_RECURSE, + oid, NULL)) { + if (is_null_oid(oid)) + die(_("%s exists but is a symbolic ref"), other_head[i]); + return other_head[i]; + } + + die(_("--merge requires one of the pseudorefs MERGE_HEAD, CHERRY_PICK_HEAD, REVERT_HEAD or REBASE_HEAD")); +} + static void prepare_show_merge(struct rev_info *revs) { - struct commit_list *bases; + struct commit_list *bases = NULL; struct commit *head, *other; struct object_id oid; + const char *other_name; const char **prune = NULL; int i, prune_num = 1; /* counting terminating NULL */ struct index_state *istate = revs->repo->index; @@ -1973,12 +2003,12 @@ static void prepare_show_merge(struct rev_info *revs) if (repo_get_oid(the_repository, "HEAD", &oid)) die("--merge without HEAD?"); head = lookup_commit_or_die(&oid, "HEAD"); - if (repo_get_oid(the_repository, "MERGE_HEAD", &oid)) - die("--merge without MERGE_HEAD?"); - other = lookup_commit_or_die(&oid, "MERGE_HEAD"); + other_name = lookup_other_head(&oid); + other = lookup_commit_or_die(&oid, other_name); add_pending_object(revs, &head->object, "HEAD"); - add_pending_object(revs, &other->object, "MERGE_HEAD"); - bases = repo_get_merge_bases(the_repository, head, other); + add_pending_object(revs, &other->object, other_name); + if (repo_get_merge_bases(the_repository, head, other, &bases) < 0) + exit(128); add_rev_cmdline_list(revs, bases, REV_CMD_MERGE_BASE, UNINTERESTING | BOTTOM); add_pending_commit_list(revs, bases, UNINTERESTING | BOTTOM); free_commit_list(bases); @@ -2066,14 +2096,17 @@ static int handle_dotdot_1(const char *arg, char *dotdot, } else { /* A...B -- find merge bases between the two */ struct commit *a, *b; - struct commit_list *exclude; + struct commit_list *exclude = NULL; a = lookup_commit_reference(revs->repo, &a_obj->oid); b = lookup_commit_reference(revs->repo, &b_obj->oid); if (!a || !b) return dotdot_missing(arg, dotdot, revs, symmetric); - exclude = repo_get_merge_bases(the_repository, a, b); + if (repo_get_merge_bases(the_repository, a, b, &exclude) < 0) { + free_commit_list(exclude); + return -1; + } add_rev_cmdline_list(revs, exclude, REV_CMD_MERGE_BASE, flags_exclude); add_pending_commit_list(revs, exclude, flags_exclude); @@ -2178,13 +2211,18 @@ static int handle_revision_arg_1(const char *arg_, struct rev_info *revs, int fl if (revarg_opt & REVARG_COMMITTISH) get_sha1_flags |= GET_OID_COMMITTISH; + /* + * Even if revs->do_not_die_on_missing_objects is set, we + * should error out if we can't even get an oid, as + * `--missing=print` should be able to report missing oids. + */ if (get_oid_with_context(revs->repo, arg, get_sha1_flags, &oid, &oc)) return revs->ignore_missing ? 0 : -1; if (!cant_be_filename) verify_non_filename(revs->prefix, arg); object = get_reference(revs, arg, &oid, flags ^ local_flags); if (!object) - return revs->ignore_missing ? 0 : -1; + return (revs->ignore_missing || revs->do_not_die_on_missing_objects) ? 0 : -1; add_rev_cmdline(revs, object, arg_, REV_CMD_REV, flags ^ local_flags); add_pending_object_with_path(revs, object, arg, oc.mode, oc.path); free(oc.path); @@ -2320,7 +2358,7 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg } else if (skip_prefix(arg, "--ancestry-path=", &optarg)) { struct commit *c; struct object_id oid; - const char *msg = _("could not get commit for ancestry-path argument %s"); + const char *msg = _("could not get commit for --ancestry-path argument %s"); revs->ancestry_path = 1; revs->simplify_history = 0; @@ -3830,8 +3868,6 @@ int prepare_revision_walk(struct rev_info *revs) FOR_EACH_OBJECT_PROMISOR_ONLY); } - oidset_init(&revs->missing_commits, 0); - if (!revs->reflog_info) prepare_to_use_bloom_filter(revs); if (!revs->unsorted_input) diff --git a/sequencer.c b/sequencer.c index f49a871ac0..4e14fa6541 100644 --- a/sequencer.c +++ b/sequencer.c @@ -332,7 +332,7 @@ static int has_conforming_footer(struct strbuf *sb, struct strbuf *sob, sb->buf[sb->len - ignore_footer] = '\0'; } - trailer_info_get(&info, sb->buf, &opts); + trailer_info_get(&opts, sb->buf, &info); if (ignore_footer) sb->buf[sb->len - ignore_footer] = saved_char; @@ -461,10 +461,22 @@ static void free_message(struct commit *commit, struct commit_message *msg) repo_unuse_commit_buffer(the_repository, commit, msg->message); } +const char *rebase_resolvemsg = +N_("Resolve all conflicts manually, mark them as resolved with\n" +"\"git add/rm <conflicted_files>\", then run \"git rebase --continue\".\n" +"You can instead skip this commit: run \"git rebase --skip\".\n" +"To abort and get back to the state before \"git rebase\", run " +"\"git rebase --abort\"."); + static void print_advice(struct repository *r, int show_hint, struct replay_opts *opts) { - char *msg = getenv("GIT_CHERRY_PICK_HELP"); + const char *msg; + + if (is_rebase_i(opts)) + msg = rebase_resolvemsg; + else + msg = getenv("GIT_CHERRY_PICK_HELP"); if (msg) { advise("%s\n", msg); @@ -707,6 +719,8 @@ static int do_recursive_merge(struct repository *r, o.show_rename_progress = 1; head_tree = parse_tree_indirect(head); + if (!head_tree) + return error(_("unable to read tree (%s)"), oid_to_hex(head)); next_tree = next ? repo_get_commit_tree(r, next) : empty_tree(r); base_tree = base ? repo_get_commit_tree(r, base) : empty_tree(r); @@ -3882,6 +3896,8 @@ static int do_reset(struct repository *r, } tree = parse_tree_indirect(&oid); + if (!tree) + return error(_("unable to read tree (%s)"), oid_to_hex(&oid)); prime_cache_tree(r, r->index, tree); if (write_locked_index(r->index, &lock, COMMIT_LOCK) < 0) @@ -3908,7 +3924,7 @@ static int do_merge(struct repository *r, int run_commit_flags = 0; struct strbuf ref_name = STRBUF_INIT; struct commit *head_commit, *merge_commit, *i; - struct commit_list *bases, *j; + struct commit_list *bases = NULL, *j; struct commit_list *to_merge = NULL, **tail = &to_merge; const char *strategy = !opts->xopts.nr && (!opts->strategy || @@ -4134,7 +4150,11 @@ static int do_merge(struct repository *r, } merge_commit = to_merge->item; - bases = repo_get_merge_bases(r, head_commit, merge_commit); + if (repo_get_merge_bases(r, head_commit, merge_commit, &bases) < 0) { + ret = -1; + goto leave_merge; + } + if (bases && oideq(&merge_commit->object.oid, &bases->item->object.oid)) { ret = 0; diff --git a/sequencer.h b/sequencer.h index dcef7bb99c..437eabd38a 100644 --- a/sequencer.h +++ b/sequencer.h @@ -14,6 +14,8 @@ const char *rebase_path_todo(void); const char *rebase_path_todo_backup(void); const char *rebase_path_dropped(void); +extern const char *rebase_resolvemsg; + #define APPEND_SIGNOFF_DEDUP (1u << 0) enum replay_action { @@ -12,6 +12,7 @@ #include "trace2.h" static int advertise_sid = -1; +static int advertise_object_info = -1; static int client_hash_algo = GIT_HASH_SHA1; static int always_advertise(struct repository *r UNUSED, @@ -67,6 +68,17 @@ static void session_id_receive(struct repository *r UNUSED, trace2_data_string("transfer", NULL, "client-sid", client_sid); } +static int object_info_advertise(struct repository *r, struct strbuf *value UNUSED) +{ + if (advertise_object_info == -1 && + repo_config_get_bool(r, "transfer.advertiseobjectinfo", + &advertise_object_info)) { + /* disabled by default */ + advertise_object_info = 0; + } + return advertise_object_info; +} + struct protocol_capability { /* * The name of the capability. The server uses this name when @@ -135,7 +147,7 @@ static struct protocol_capability capabilities[] = { }, { .name = "object-info", - .advertise = always_advertise, + .advertise = object_info_advertise, .command = cap_object_info, }, { @@ -591,6 +591,25 @@ static enum extension_result handle_extension(const char *var, "extensions.objectformat", value); data->hash_algo = format; return EXTENSION_OK; + } else if (!strcmp(ext, "compatobjectformat")) { + struct string_list_item *item; + int format; + + if (!value) + return config_error_nonbool(var); + format = hash_algo_by_name(value); + if (format == GIT_HASH_UNKNOWN) + return error(_("invalid value for '%s': '%s'"), + "extensions.compatobjectformat", value); + /* For now only support compatObjectFormat being specified once. */ + for_each_string_list_item(item, &data->v1_only_extensions) { + if (!strcmp(item->string, "compatobjectformat")) + return error(_("'%s' already specified as '%s'"), + "extensions.compatobjectformat", + hash_algos[data->compat_hash_algo].name); + } + data->compat_hash_algo = format; + return EXTENSION_OK; } else if (!strcmp(ext, "refstorage")) { unsigned int format; @@ -1243,6 +1262,32 @@ static const char *allowed_bare_repo_to_string( return NULL; } +static int is_implicit_bare_repo(const char *path) +{ + /* + * what we found is a ".git" directory at the root of + * the working tree. + */ + if (ends_with_path_components(path, ".git")) + return 1; + + /* + * we are inside $GIT_DIR of a secondary worktree of a + * non-bare repository. + */ + if (strstr(path, "/.git/worktrees/")) + return 1; + + /* + * we are inside $GIT_DIR of a worktree of a non-embedded + * submodule, whose superproject is not a bare repository. + */ + if (strstr(path, "/.git/modules/")) + return 1; + + return 0; +} + /* * We cannot decide in this function whether we are in the work tree or * not, since the config can only be read _after_ this function was called. @@ -1372,7 +1417,7 @@ static enum discovery_result setup_git_directory_gently_1(struct strbuf *dir, if (is_git_directory(dir->buf)) { trace2_data_string("setup", NULL, "implicit-bare-repository", dir->buf); if (get_allowed_bare_repo() == ALLOWED_BARE_REPO_EXPLICIT && - !ends_with_path_components(dir->buf, ".git")) + !is_implicit_bare_repo(dir->buf)) return GIT_DIR_DISALLOWED_BARE; if (!ensure_valid_ownership(NULL, NULL, dir->buf, report)) return GIT_DIR_INVALID_OWNERSHIP; @@ -1577,6 +1622,8 @@ const char *setup_git_directory_gently(int *nongit_ok) } if (startup_info->have_repository) { repo_set_hash_algo(the_repository, repo_fmt.hash_algo); + repo_set_compat_hash_algo(the_repository, + repo_fmt.compat_hash_algo); repo_set_ref_storage_format(the_repository, repo_fmt.ref_storage_format); the_repository->repository_format_worktree_config = @@ -1672,6 +1719,7 @@ void check_repository_format(struct repository_format *fmt) check_repository_format_gently(get_git_dir(), fmt, NULL); startup_info->have_repository = 1; repo_set_hash_algo(the_repository, fmt->hash_algo); + repo_set_compat_hash_algo(the_repository, fmt->compat_hash_algo); repo_set_ref_storage_format(the_repository, fmt->ref_storage_format); the_repository->repository_format_worktree_config = @@ -1889,6 +1937,13 @@ void initialize_repository_version(int hash_algo, char repo_version_string[10]; int repo_version = GIT_REPO_VERSION; + /* + * Note that we initialize the repository version to 1 when the ref + * storage format is unknown. This is on purpose so that we can add the + * correct object format to the config during git-clone(1). The format + * version will get adjusted by git-clone(1) once it has learned about + * the remote repository's format. + */ if (hash_algo != GIT_HASH_SHA1 || ref_storage_format != REF_STORAGE_FORMAT_FILES) repo_version = GIT_REPO_VERSION_READ; @@ -1898,7 +1953,7 @@ void initialize_repository_version(int hash_algo, "%d", repo_version); git_config_set("core.repositoryformatversion", repo_version_string); - if (hash_algo != GIT_HASH_SHA1) + if (hash_algo != GIT_HASH_SHA1 && hash_algo != GIT_HASH_UNKNOWN) git_config_set("extensions.objectformat", hash_algos[hash_algo].name); else if (reinit) @@ -1961,7 +2016,6 @@ void create_reference_database(unsigned int ref_storage_format, static int create_default_files(const char *template_path, const char *original_git_dir, const struct repository_format *fmt, - int prev_bare_repository, int init_shared_repository) { struct stat st1; @@ -1996,34 +2050,8 @@ static int create_default_files(const char *template_path, */ if (init_shared_repository != -1) set_shared_repository(init_shared_repository); - /* - * TODO: heed core.bare from config file in templates if no - * command-line override given - */ - is_bare_repository_cfg = prev_bare_repository || !work_tree; - /* TODO (continued): - * - * Unfortunately, the line above is equivalent to - * is_bare_repository_cfg = !work_tree; - * which ignores the config entirely even if no `--[no-]bare` - * command line option was present. - * - * To see why, note that before this function, there was this call: - * prev_bare_repository = is_bare_repository() - * expanding the right hand side: - * = is_bare_repository_cfg && !get_git_work_tree() - * = is_bare_repository_cfg && !work_tree - * note that the last simplification above is valid because nothing - * calls repo_init() or set_git_work_tree() between any of the - * relevant calls in the code, and thus the !get_git_work_tree() - * calls will return the same result each time. So, what we are - * interested in computing is the right hand side of the line of - * code just above this comment: - * prev_bare_repository || !work_tree - * = is_bare_repository_cfg && !work_tree || !work_tree - * = !work_tree - * because "A && !B || !B == !B" for all boolean values of A & B. - */ + + is_bare_repository_cfg = !work_tree; /* * We would have created the above under user's umask -- under @@ -2175,7 +2203,6 @@ int init_db(const char *git_dir, const char *real_git_dir, int exist_ok = flags & INIT_DB_EXIST_OK; char *original_git_dir = real_pathdup(git_dir, 1); struct repository_format repo_fmt = REPOSITORY_FORMAT_INIT; - int prev_bare_repository; if (real_git_dir) { struct stat st; @@ -2201,7 +2228,6 @@ int init_db(const char *git_dir, const char *real_git_dir, safe_create_dir(git_dir, 0); - prev_bare_repository = is_bare_repository(); /* Check to see if the repository version is right. * Note that a newly created repository does not have @@ -2214,8 +2240,7 @@ int init_db(const char *git_dir, const char *real_git_dir, validate_ref_storage_format(&repo_fmt, ref_storage_format); reinit = create_default_files(template_dir, original_git_dir, - &repo_fmt, prev_bare_repository, - init_shared_repository); + &repo_fmt, init_shared_repository); /* * Now that we have set up both the hash algorithm and the ref storage @@ -115,6 +115,7 @@ struct repository_format { int worktree_config; int is_bare; int hash_algo; + int compat_hash_algo; unsigned int ref_storage_format; int sparse_index; char *work_tree; @@ -794,12 +794,16 @@ static void post_assign_shallow(struct shallow_info *info, if (!*bitmap) continue; for (j = 0; j < bitmap_nr; j++) - if (bitmap[0][j] && - /* Step 7, reachability test at commit level */ - !repo_in_merge_bases_many(the_repository, c, ca.nr, ca.commits)) { - update_refstatus(ref_status, info->ref->nr, *bitmap); - dst++; - break; + if (bitmap[0][j]) { + /* Step 7, reachability test at commit level */ + int ret = repo_in_merge_bases_many(the_repository, c, ca.nr, ca.commits, 1); + if (ret < 0) + exit(128); + if (!ret) { + update_refstatus(ref_status, info->ref->nr, *bitmap); + dst++; + break; + } } } info->nr_ours = dst; @@ -827,7 +831,10 @@ int delayed_reachability_test(struct shallow_info *si, int c) si->reachable[c] = repo_in_merge_bases_many(the_repository, commit, si->nr_commits, - si->commits); + si->commits, + 1); + if (si->reachable[c] < 0) + exit(128); si->need_reachability_test[c] = 0; } return si->reachable[c]; diff --git a/sideband.c b/sideband.c index 266a67342b..5d8907151f 100644 --- a/sideband.c +++ b/sideband.c @@ -220,7 +220,7 @@ int demultiplex_sideband(const char *me, int status, } strbuf_addch(scratch, *brk); - xwrite(2, scratch->buf, scratch->len); + write_in_full(2, scratch->buf, scratch->len); strbuf_reset(scratch); b = brk + 1; @@ -247,7 +247,7 @@ cleanup: die("%s", scratch->buf); if (scratch->len) { strbuf_addch(scratch, '\n'); - xwrite(2, scratch->buf, scratch->len); + write_in_full(2, scratch->buf, scratch->len); } strbuf_release(scratch); return 1; diff --git a/submodule.c b/submodule.c index 213da79f66..f0ddb31e8f 100644 --- a/submodule.c +++ b/submodule.c @@ -592,7 +592,12 @@ static void show_submodule_header(struct diff_options *o, (!is_null_oid(two) && !*right)) message = "(commits not present)"; - *merge_bases = repo_get_merge_bases(sub, *left, *right); + *merge_bases = NULL; + if (repo_get_merge_bases(sub, *left, *right, merge_bases) < 0) { + message = "(corrupt repository)"; + goto output_header; + } + if (*merge_bases) { if ((*merge_bases)->item == *left) fast_forward = 1; @@ -1687,8 +1692,6 @@ static int get_next_submodule(struct child_process *cp, struct strbuf *err, task = get_fetch_task_from_changed(spf, err); if (task) { - struct strbuf submodule_prefix = STRBUF_INIT; - child_process_init(cp); cp->dir = task->repo->gitdir; prepare_submodule_repo_env_in_gitdir(&cp->env); @@ -1698,15 +1701,11 @@ static int get_next_submodule(struct child_process *cp, struct strbuf *err, strvec_pushv(&cp->args, task->git_args.v); strvec_pushv(&cp->args, spf->args.v); strvec_push(&cp->args, task->default_argv); - strvec_push(&cp->args, "--submodule-prefix"); + strvec_pushf(&cp->args, "--submodule-prefix=%s%s/", + spf->prefix, task->sub->path); - strbuf_addf(&submodule_prefix, "%s%s/", - spf->prefix, - task->sub->path); - strvec_push(&cp->args, submodule_prefix.buf); *task_cb = task; - strbuf_release(&submodule_prefix); string_list_insert(&spf->seen_submodule_names, task->sub->name); return 1; } @@ -1714,12 +1713,8 @@ static int get_next_submodule(struct child_process *cp, struct strbuf *err, if (spf->oid_fetch_tasks_nr) { struct fetch_task *task = spf->oid_fetch_tasks[spf->oid_fetch_tasks_nr - 1]; - struct strbuf submodule_prefix = STRBUF_INIT; spf->oid_fetch_tasks_nr--; - strbuf_addf(&submodule_prefix, "%s%s/", - spf->prefix, task->sub->path); - child_process_init(cp); prepare_submodule_repo_env_in_gitdir(&cp->env); cp->git_cmd = 1; @@ -1728,8 +1723,8 @@ static int get_next_submodule(struct child_process *cp, struct strbuf *err, strvec_init(&cp->args); strvec_pushv(&cp->args, spf->args.v); strvec_push(&cp->args, "on-demand"); - strvec_push(&cp->args, "--submodule-prefix"); - strvec_push(&cp->args, submodule_prefix.buf); + strvec_pushf(&cp->args, "--submodule-prefix=%s%s/", + spf->prefix, task->sub->path); /* NEEDSWORK: have get_default_remote from submodule--helper */ strvec_push(&cp->args, "origin"); @@ -1737,7 +1732,6 @@ static int get_next_submodule(struct child_process *cp, struct strbuf *err, append_oid_to_argv, &cp->args); *task_cb = task; - strbuf_release(&submodule_prefix); return 1; } diff --git a/t/annotate-tests.sh b/t/annotate-tests.sh index 5e21e84f38..87572459e4 100644 --- a/t/annotate-tests.sh +++ b/t/annotate-tests.sh @@ -532,7 +532,7 @@ test_expect_success 'blame -L :funcname with userdiff driver' ' "$(cat file.template)" && test_commit --author "B <B@test.git>" \ "change" "$fortran_file" \ - "$(cat file.template | sed -e s/ChangeMe/IWasChanged/)" && + "$(sed -e s/ChangeMe/IWasChanged/ file.template)" && check_count -f "$fortran_file" -L:RIGHT A 3 B 1 ' diff --git a/t/helper/test-delete-gpgsig.c b/t/helper/test-delete-gpgsig.c new file mode 100644 index 0000000000..e36831af03 --- /dev/null +++ b/t/helper/test-delete-gpgsig.c @@ -0,0 +1,62 @@ +#include "test-tool.h" +#include "gpg-interface.h" +#include "strbuf.h" + + +int cmd__delete_gpgsig(int argc, const char **argv) +{ + struct strbuf buf = STRBUF_INIT; + const char *pattern = "gpgsig"; + const char *bufptr, *tail, *eol; + int deleting = 0; + size_t plen; + + if (argc >= 2) { + pattern = argv[1]; + argv++; + argc--; + } + + plen = strlen(pattern); + strbuf_read(&buf, 0, 0); + + if (!strcmp(pattern, "trailer")) { + size_t payload_size = parse_signed_buffer(buf.buf, buf.len); + fwrite(buf.buf, 1, payload_size, stdout); + fflush(stdout); + return 0; + } + + bufptr = buf.buf; + tail = bufptr + buf.len; + + while (bufptr < tail) { + /* Find the end of the line */ + eol = memchr(bufptr, '\n', tail - bufptr); + if (!eol) + eol = tail; + + /* Drop continuation lines */ + if (deleting && (bufptr < eol) && (bufptr[0] == ' ')) { + bufptr = eol + 1; + continue; + } + deleting = 0; + + /* Does the line match the prefix? */ + if (((bufptr + plen) < eol) && + !memcmp(bufptr, pattern, plen) && + (bufptr[plen] == ' ')) { + deleting = 1; + bufptr = eol + 1; + continue; + } + + /* Print all other lines */ + fwrite(bufptr, 1, (eol - bufptr) + 1, stdout); + bufptr = eol + 1; + } + fflush(stdout); + + return 0; +} diff --git a/t/helper/test-reach.c b/t/helper/test-reach.c index 1e159a754d..1e3b431e3e 100644 --- a/t/helper/test-reach.c +++ b/t/helper/test-reach.c @@ -111,13 +111,16 @@ int cmd__reach(int ac, const char **av) repo_in_merge_bases(the_repository, A, B)); else if (!strcmp(av[1], "in_merge_bases_many")) printf("%s(A,X):%d\n", av[1], - repo_in_merge_bases_many(the_repository, A, X_nr, X_array)); + repo_in_merge_bases_many(the_repository, A, X_nr, X_array, 0)); else if (!strcmp(av[1], "is_descendant_of")) printf("%s(A,X):%d\n", av[1], repo_is_descendant_of(r, A, X)); else if (!strcmp(av[1], "get_merge_bases_many")) { - struct commit_list *list = repo_get_merge_bases_many(the_repository, - A, X_nr, - X_array); + struct commit_list *list = NULL; + if (repo_get_merge_bases_many(the_repository, + A, X_nr, + X_array, + &list) < 0) + exit(128); printf("%s(A,X):\n", av[1]); print_sorted_commit_ids(list); } else if (!strcmp(av[1], "reduce_heads")) { diff --git a/t/helper/test-ref-store.c b/t/helper/test-ref-store.c index 702ec1f128..7a0f6cac53 100644 --- a/t/helper/test-ref-store.c +++ b/t/helper/test-ref-store.c @@ -221,15 +221,21 @@ static int cmd_verify_ref(struct ref_store *refs, const char **argv) return ret; } +static int each_reflog(const char *refname, void *cb_data UNUSED) +{ + printf("%s\n", refname); + return 0; +} + static int cmd_for_each_reflog(struct ref_store *refs, const char **argv UNUSED) { - return refs_for_each_reflog(refs, each_ref, NULL); + return refs_for_each_reflog(refs, each_reflog, NULL); } -static int each_reflog(struct object_id *old_oid, struct object_id *new_oid, - const char *committer, timestamp_t timestamp, - int tz, const char *msg, void *cb_data UNUSED) +static int each_reflog_ent(struct object_id *old_oid, struct object_id *new_oid, + const char *committer, timestamp_t timestamp, + int tz, const char *msg, void *cb_data UNUSED) { printf("%s %s %s %" PRItime " %+05d%s%s", oid_to_hex(old_oid), oid_to_hex(new_oid), committer, timestamp, tz, @@ -241,14 +247,14 @@ static int cmd_for_each_reflog_ent(struct ref_store *refs, const char **argv) { const char *refname = notnull(*argv++, "refname"); - return refs_for_each_reflog_ent(refs, refname, each_reflog, refs); + return refs_for_each_reflog_ent(refs, refname, each_reflog_ent, refs); } static int cmd_for_each_reflog_ent_reverse(struct ref_store *refs, const char **argv) { const char *refname = notnull(*argv++, "refname"); - return refs_for_each_reflog_ent_reverse(refs, refname, each_reflog, refs); + return refs_for_each_reflog_ent_reverse(refs, refname, each_reflog_ent, refs); } static int cmd_reflog_exists(struct ref_store *refs, const char **argv) diff --git a/t/helper/test-tool.c b/t/helper/test-tool.c index 482a1e58a4..80a946b847 100644 --- a/t/helper/test-tool.c +++ b/t/helper/test-tool.c @@ -20,6 +20,7 @@ static struct test_cmd cmds[] = { { "crontab", cmd__crontab }, { "csprng", cmd__csprng }, { "date", cmd__date }, + { "delete-gpgsig", cmd__delete_gpgsig }, { "delta", cmd__delta }, { "dir-iterator", cmd__dir_iterator }, { "drop-caches", cmd__drop_caches }, diff --git a/t/helper/test-tool.h b/t/helper/test-tool.h index b1be7cfcf5..2808b92419 100644 --- a/t/helper/test-tool.h +++ b/t/helper/test-tool.h @@ -14,6 +14,7 @@ int cmd__crontab(int argc, const char **argv); int cmd__csprng(int argc, const char **argv); int cmd__date(int argc, const char **argv); int cmd__delta(int argc, const char **argv); +int cmd__delete_gpgsig(int argc, const char **argv); int cmd__dir_iterator(int argc, const char **argv); int cmd__drop_caches(int argc, const char **argv); int cmd__dump_cache_tree(int argc, const char **argv); diff --git a/t/lib-credential.sh b/t/lib-credential.sh index 15fc9a31e2..44799c0d38 100644 --- a/t/lib-credential.sh +++ b/t/lib-credential.sh @@ -50,6 +50,7 @@ helper_test_clean() { reject $1 https example.com user-overwrite reject $1 https example.com user-erase1 reject $1 https example.com user-erase2 + reject $1 https victim.example.com user reject $1 http path.tld user reject $1 https timeout.tld user reject $1 https sso.tld diff --git a/t/lib-cvs.sh b/t/lib-cvs.sh index 32b3473379..57b9b2db9b 100644 --- a/t/lib-cvs.sh +++ b/t/lib-cvs.sh @@ -71,8 +71,8 @@ test_cmp_branch_tree () { find . -type d -name .git -prune -o -type f -print ) | sort >module-git-"$1".list && test_cmp module-cvs-"$1".list module-git-"$1".list && - cat module-cvs-"$1".list | while read f + while read f do test_cmp_branch_file "$1" "$f" || return 1 - done + done <module-cvs-"$1".list } diff --git a/t/perf/repos/inflate-repo.sh b/t/perf/repos/inflate-repo.sh index fcfc992b5b..412e4b450b 100755 --- a/t/perf/repos/inflate-repo.sh +++ b/t/perf/repos/inflate-repo.sh @@ -33,7 +33,7 @@ do done git ls-tree -r HEAD >GEN_src_list -nr_src_files=$(cat GEN_src_list | wc -l) +nr_src_files=$(wc -l <GEN_src_list) src_branch=$(git symbolic-ref --short HEAD) diff --git a/t/t0002-gitfile.sh b/t/t0002-gitfile.sh index 736516cc6a..bf3bf604ab 100755 --- a/t/t0002-gitfile.sh +++ b/t/t0002-gitfile.sh @@ -40,7 +40,7 @@ test_expect_success 'final setup + check rev-parse --git-dir' ' test_expect_success 'check hash-object' ' echo "foo" >bar && - SHA=$(cat bar | git hash-object -w --stdin) && + SHA=$(git hash-object -w --stdin <bar) && test_path_is_file "$REAL/objects/$(objpath $SHA)" ' diff --git a/t/t0006-date.sh b/t/t0006-date.sh index e18b160286..3031256d14 100755 --- a/t/t0006-date.sh +++ b/t/t0006-date.sh @@ -46,6 +46,7 @@ check_show () { TIME='1466000000 +0200' check_show iso8601 "$TIME" '2016-06-15 16:13:20 +0200' check_show iso8601-strict "$TIME" '2016-06-15T16:13:20+02:00' +check_show iso8601-strict "$(echo "$TIME" | sed 's/+0200$/+0000/')" '2016-06-15T14:13:20Z' check_show rfc2822 "$TIME" 'Wed, 15 Jun 2016 16:13:20 +0200' check_show short "$TIME" '2016-06-15' check_show default "$TIME" 'Wed Jun 15 16:13:20 2016 +0200' @@ -69,6 +70,14 @@ check_show 'format:%s' '123456789 +1234' 123456789 check_show 'format:%s' '123456789 -1234' 123456789 check_show 'format-local:%s' '123456789 -1234' 123456789 +# negative TZ offset +TIME='1466000000 -0200' +check_show iso8601 "$TIME" '2016-06-15 12:13:20 -0200' +check_show iso8601-strict "$TIME" '2016-06-15T12:13:20-02:00' +check_show rfc2822 "$TIME" 'Wed, 15 Jun 2016 12:13:20 -0200' +check_show default "$TIME" 'Wed Jun 15 12:13:20 2016 -0200' +check_show raw "$TIME" '1466000000 -0200' + # arbitrary time absurdly far in the future FUTURE="5758122296 -0400" check_show iso "$FUTURE" "2152-06-19 18:24:56 -0400" TIME_IS_64BIT,TIME_T_IS_64BIT diff --git a/t/t0010-racy-git.sh b/t/t0010-racy-git.sh index 837c8b7228..84172a3739 100755 --- a/t/t0010-racy-git.sh +++ b/t/t0010-racy-git.sh @@ -10,25 +10,24 @@ TEST_PASSES_SANITIZE_LEAK=true for trial in 0 1 2 3 4 do - rm -f .git/index - echo frotz >infocom - git update-index --add infocom - echo xyzzy >infocom - - files=$(git diff-files -p) - test_expect_success \ - "Racy GIT trial #$trial part A" \ - 'test "" != "$files"' - + test_expect_success "Racy git trial #$trial part A" ' + rm -f .git/index && + echo frotz >infocom && + git update-index --add infocom && + echo xyzzy >infocom && + + git diff-files -p >out && + test_file_not_empty out + ' sleep 1 - echo xyzzy >cornerstone - git update-index --add cornerstone - files=$(git diff-files -p) - test_expect_success \ - "Racy GIT trial #$trial part B" \ - 'test "" != "$files"' + test_expect_success "Racy git trial #$trial part B" ' + echo xyzzy >cornerstone && + git update-index --add cornerstone && + git diff-files -p >out && + test_file_not_empty out + ' done test_done diff --git a/t/t0011-hashmap.sh b/t/t0011-hashmap.sh index 1cb6aa6824..46e74ad107 100755 --- a/t/t0011-hashmap.sh +++ b/t/t0011-hashmap.sh @@ -239,7 +239,7 @@ test_expect_success 'grow / shrink' ' echo value40 >> expect && echo size >> in && echo 64 39 >> expect && - cat in | test-tool hashmap > out && + test-tool hashmap <in >out && test_cmp expect out ' diff --git a/t/t0028-working-tree-encoding.sh b/t/t0028-working-tree-encoding.sh index 1b55f59c23..ad151a3467 100755 --- a/t/t0028-working-tree-encoding.sh +++ b/t/t0028-working-tree-encoding.sh @@ -131,8 +131,8 @@ do test_when_finished "rm -f crlf.utf${i}.raw lf.utf${i}.raw" && test_when_finished "git reset --hard HEAD^" && - cat lf.utf8.raw | write_utf${i} >lf.utf${i}.raw && - cat crlf.utf8.raw | write_utf${i} >crlf.utf${i}.raw && + write_utf${i} <lf.utf8.raw >lf.utf${i}.raw && + write_utf${i} <crlf.utf8.raw >crlf.utf${i}.raw && cp crlf.utf${i}.raw eol.utf${i} && cat >expectIndexLF <<-EOF && diff --git a/t/t0035-safe-bare-repository.sh b/t/t0035-safe-bare-repository.sh index 8048856379..d3cb2a1cb9 100755 --- a/t/t0035-safe-bare-repository.sh +++ b/t/t0035-safe-bare-repository.sh @@ -29,9 +29,20 @@ expect_rejected () { grep -F "implicit-bare-repository:$pwd" "$pwd/trace.perf" } -test_expect_success 'setup bare repo in worktree' ' +test_expect_success 'setup an embedded bare repo, secondary worktree and submodule' ' git init outer-repo && - git init --bare outer-repo/bare-repo + git init --bare --initial-branch=main outer-repo/bare-repo && + git -C outer-repo worktree add ../outer-secondary && + test_path_is_dir outer-secondary && + ( + cd outer-repo && + test_commit A && + git push bare-repo +HEAD:refs/heads/main && + git -c protocol.file.allow=always \ + submodule add --name subn -- ./bare-repo subd + ) && + test_path_is_dir outer-repo/.git/worktrees/outer-secondary && + test_path_is_dir outer-repo/.git/modules/subn ' test_expect_success 'safe.bareRepository unset' ' @@ -53,8 +64,7 @@ test_expect_success 'safe.bareRepository in the repository' ' # safe.bareRepository must not be "explicit", otherwise # git config fails with "fatal: not in a git directory" (like # safe.directory) - test_config -C outer-repo/bare-repo safe.bareRepository \ - all && + test_config -C outer-repo/bare-repo safe.bareRepository all && test_config_global safe.bareRepository explicit && expect_rejected -C outer-repo/bare-repo ' @@ -86,4 +96,12 @@ test_expect_success 'no trace when "bare repository" is a subdir of .git' ' expect_accepted_implicit -C outer-repo/.git/objects ' +test_expect_success 'no trace in $GIT_DIR of secondary worktree' ' + expect_accepted_implicit -C outer-repo/.git/worktrees/outer-secondary +' + +test_expect_success 'no trace in $GIT_DIR of a submodule' ' + expect_accepted_implicit -C outer-repo/.git/modules/subn +' + test_done diff --git a/t/t0040-parse-options.sh b/t/t0040-parse-options.sh index ec974867e4..8bb2a8b453 100755 --- a/t/t0040-parse-options.sh +++ b/t/t0040-parse-options.sh @@ -210,6 +210,22 @@ test_expect_success 'superfluous value provided: boolean' ' test_cmp expect actual ' +test_expect_success 'superfluous value provided: boolean, abbreviated' ' + cat >expect <<-\EOF && + error: option `yes'\'' takes no value + EOF + test_expect_code 129 env GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS=false \ + test-tool parse-options --ye=hi 2>actual && + test_cmp expect actual && + + cat >expect <<-\EOF && + error: option `no-yes'\'' takes no value + EOF + test_expect_code 129 env GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS=false \ + test-tool parse-options --no-ye=hi 2>actual && + test_cmp expect actual +' + test_expect_success 'superfluous value provided: cmdmode' ' cat >expect <<-\EOF && error: option `mode1'\'' takes no value diff --git a/t/t0204-gettext-reencode-sanity.sh b/t/t0204-gettext-reencode-sanity.sh index 4f2e0dcb02..310a450012 100755 --- a/t/t0204-gettext-reencode-sanity.sh +++ b/t/t0204-gettext-reencode-sanity.sh @@ -82,7 +82,7 @@ test_expect_success GETTEXT_ISO_LOCALE 'gettext.c: git init UTF-8 -> ISO-8859-1' printf "Bjó til tóma Git lind" >expect && LANGUAGE=is LC_ALL="$is_IS_iso_locale" git init repo >actual && test_when_finished "rm -rf repo" && - grep "^$(cat expect | iconv -f UTF-8 -t ISO8859-1) " actual + grep "^$(iconv -f UTF-8 -t ISO8859-1 <expect) " actual ' test_done diff --git a/t/t0211-trace2-perf.sh b/t/t0211-trace2-perf.sh index 290b6eaaab..13ef69b92f 100755 --- a/t/t0211-trace2-perf.sh +++ b/t/t0211-trace2-perf.sh @@ -287,4 +287,235 @@ test_expect_success 'unsafe URLs are redacted by default' ' grep "d0|main|def_param|.*|remote.origin.url:https://user:pwd@example.com" actual ' +# Confirm that the requested command produces a "cmd_name" and a +# set of "def_param" events. +# +try_simple () { + test_when_finished "rm prop.perf actual" && + + cmd=$1 && + cmd_name=$2 && + + test_config_global "trace2.configParams" "cfg.prop.*" && + test_config_global "trace2.envvars" "ENV_PROP_FOO,ENV_PROP_BAR" && + + test_config_global "cfg.prop.foo" "red" && + + ENV_PROP_FOO=blue \ + GIT_TRACE2_PERF="$(pwd)/prop.perf" \ + $cmd && + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <prop.perf >actual && + grep "d0|main|cmd_name|.*|$cmd_name" actual && + grep "d0|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d0|main|def_param|.*|ENV_PROP_FOO:blue" actual +} + +# Representative mainstream builtin Git command dispatched +# in run_builtin() in git.c +# +test_expect_success 'expect def_params for normal builtin command' ' + try_simple "git version" "version" +' + +# Representative query command dispatched in handle_options() +# in git.c +# +test_expect_success 'expect def_params for query command' ' + try_simple "git --man-path" "_query_" +' + +# remote-curl.c does not use the builtin setup in git.c, so confirm +# that executables built from remote-curl.c emit def_params. +# +# Also tests the dashed-command handling where "git foo" silently +# spawns "git-foo". Make sure that both commands should emit +# def_params. +# +# Pass bogus arguments to remote-https and allow the command to fail +# because we don't actually have a remote to fetch from. We just want +# to see the run-dashed code run an executable built from +# remote-curl.c rather than git.c. Confirm that we get def_param +# events from both layers. +# +test_expect_success 'expect def_params for remote-curl and _run_dashed_' ' + test_when_finished "rm prop.perf actual" && + + test_config_global "trace2.configParams" "cfg.prop.*" && + test_config_global "trace2.envvars" "ENV_PROP_FOO,ENV_PROP_BAR" && + + test_config_global "cfg.prop.foo" "red" && + + test_might_fail env \ + ENV_PROP_FOO=blue \ + GIT_TRACE2_PERF="$(pwd)/prop.perf" \ + git remote-http x y && + + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <prop.perf >actual && + + grep "d0|main|cmd_name|.*|_run_dashed_" actual && + grep "d0|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d0|main|def_param|.*|ENV_PROP_FOO:blue" actual && + + grep "d1|main|cmd_name|.*|remote-curl" actual && + grep "d1|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d1|main|def_param|.*|ENV_PROP_FOO:blue" actual +' + +# Similarly, `git-http-fetch` is not built from git.c so do a +# trivial fetch so that the main git.c run-dashed code spawns +# an executable built from http-fetch.c. Confirm that we get +# def_param events from both layers. +# +test_expect_success 'expect def_params for http-fetch and _run_dashed_' ' + test_when_finished "rm prop.perf actual" && + + test_config_global "trace2.configParams" "cfg.prop.*" && + test_config_global "trace2.envvars" "ENV_PROP_FOO,ENV_PROP_BAR" && + + test_config_global "cfg.prop.foo" "red" && + + test_might_fail env \ + ENV_PROP_FOO=blue \ + GIT_TRACE2_PERF="$(pwd)/prop.perf" \ + git http-fetch --stdin file:/// <<-EOF && + EOF + + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <prop.perf >actual && + + grep "d0|main|cmd_name|.*|_run_dashed_" actual && + grep "d0|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d0|main|def_param|.*|ENV_PROP_FOO:blue" actual && + + grep "d1|main|cmd_name|.*|http-fetch" actual && + grep "d1|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d1|main|def_param|.*|ENV_PROP_FOO:blue" actual +' + +# Historically, alias expansion explicitly emitted the def_param +# events (independent of whether the command was a builtin, a Git +# command or arbitrary shell command) so that it wasn't dependent +# upon the unpeeling of the alias. Let's make sure that we preserve +# the net effect. +# +test_expect_success 'expect def_params during git alias expansion' ' + test_when_finished "rm prop.perf actual" && + + test_config_global "trace2.configParams" "cfg.prop.*" && + test_config_global "trace2.envvars" "ENV_PROP_FOO,ENV_PROP_BAR" && + + test_config_global "cfg.prop.foo" "red" && + + test_config_global "alias.xxx" "version" && + + ENV_PROP_FOO=blue \ + GIT_TRACE2_PERF="$(pwd)/prop.perf" \ + git xxx && + + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <prop.perf >actual && + + # "git xxx" is first mapped to "git-xxx" and the child will fail. + grep "d0|main|cmd_name|.*|_run_dashed_ (_run_dashed_)" actual && + + # We unpeel that and substitute "version" into "xxx" (giving + # "git version") and update the cmd_name event. + grep "d0|main|cmd_name|.*|_run_git_alias_ (_run_dashed_/_run_git_alias_)" actual && + + # These def_param events could be associated with either of the + # above cmd_name events. It does not matter. + grep "d0|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d0|main|def_param|.*|ENV_PROP_FOO:blue" actual && + + # The "git version" child sees a different cmd_name hierarchy. + # Also test the def_param (only for completeness). + grep "d1|main|cmd_name|.*|version (_run_dashed_/_run_git_alias_/version)" actual && + grep "d1|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d1|main|def_param|.*|ENV_PROP_FOO:blue" actual +' + +test_expect_success 'expect def_params during shell alias expansion' ' + test_when_finished "rm prop.perf actual" && + + test_config_global "trace2.configParams" "cfg.prop.*" && + test_config_global "trace2.envvars" "ENV_PROP_FOO,ENV_PROP_BAR" && + + test_config_global "cfg.prop.foo" "red" && + + test_config_global "alias.xxx" "!git version" && + + ENV_PROP_FOO=blue \ + GIT_TRACE2_PERF="$(pwd)/prop.perf" \ + git xxx && + + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <prop.perf >actual && + + # "git xxx" is first mapped to "git-xxx" and the child will fail. + grep "d0|main|cmd_name|.*|_run_dashed_ (_run_dashed_)" actual && + + # We unpeel that and substitute "git version" for "git xxx" (as a + # shell command. Another cmd_name event is emitted as we unpeel. + grep "d0|main|cmd_name|.*|_run_shell_alias_ (_run_dashed_/_run_shell_alias_)" actual && + + # These def_param events could be associated with either of the + # above cmd_name events. It does not matter. + grep "d0|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d0|main|def_param|.*|ENV_PROP_FOO:blue" actual && + + # We get the following only because we used a git command for the + # shell command. In general, it could have been a shell script and + # we would see nothing. + # + # The child knows the cmd_name hierarchy so it includes it. + grep "d1|main|cmd_name|.*|version (_run_dashed_/_run_shell_alias_/version)" actual && + grep "d1|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d1|main|def_param|.*|ENV_PROP_FOO:blue" actual +' + +test_expect_success 'expect def_params during nested git alias expansion' ' + test_when_finished "rm prop.perf actual" && + + test_config_global "trace2.configParams" "cfg.prop.*" && + test_config_global "trace2.envvars" "ENV_PROP_FOO,ENV_PROP_BAR" && + + test_config_global "cfg.prop.foo" "red" && + + test_config_global "alias.xxx" "yyy" && + test_config_global "alias.yyy" "version" && + + ENV_PROP_FOO=blue \ + GIT_TRACE2_PERF="$(pwd)/prop.perf" \ + git xxx && + + perl "$TEST_DIRECTORY/t0211/scrub_perf.perl" <prop.perf >actual && + + # "git xxx" is first mapped to "git-xxx" and try to spawn "git-xxx" + # and the child will fail. + grep "d0|main|cmd_name|.*|_run_dashed_ (_run_dashed_)" actual && + grep "d0|main|child_start|.*|.* class:dashed argv:\[git-xxx\]" actual && + + # We unpeel that and substitute "yyy" into "xxx" (giving "git yyy") + # and spawn "git-yyy" and the child will fail. + grep "d0|main|alias|.*|alias:xxx argv:\[yyy\]" actual && + grep "d0|main|cmd_name|.*|_run_dashed_ (_run_dashed_/_run_dashed_)" actual && + grep "d0|main|child_start|.*|.* class:dashed argv:\[git-yyy\]" actual && + + # We unpeel that and substitute "version" into "xxx" (giving + # "git version") and update the cmd_name event. + grep "d0|main|alias|.*|alias:yyy argv:\[version\]" actual && + grep "d0|main|cmd_name|.*|_run_git_alias_ (_run_dashed_/_run_dashed_/_run_git_alias_)" actual && + + # These def_param events could be associated with any of the + # above cmd_name events. It does not matter. + grep "d0|main|def_param|.*|cfg.prop.foo:red" actual >actual.matches && + grep "d0|main|def_param|.*|ENV_PROP_FOO:blue" actual && + + # However, we do not want them repeated each time we unpeel. + test_line_count = 1 actual.matches && + + # The "git version" child sees a different cmd_name hierarchy. + # Also test the def_param (only for completeness). + grep "d1|main|cmd_name|.*|version (_run_dashed_/_run_dashed_/_run_git_alias_/version)" actual && + grep "d1|main|def_param|.*|cfg.prop.foo:red" actual && + grep "d1|main|def_param|.*|ENV_PROP_FOO:blue" actual +' + test_done diff --git a/t/t0303-credential-external.sh b/t/t0303-credential-external.sh index 095574bfc6..72ae405c3e 100755 --- a/t/t0303-credential-external.sh +++ b/t/t0303-credential-external.sh @@ -32,9 +32,24 @@ commands. . ./test-lib.sh . "$TEST_DIRECTORY"/lib-credential.sh +# If we're not given a specific external helper to run against, +# there isn't much to test. But we can still run through our +# battery of tests with a fake helper and check that the +# test themselves are self-consistent and clean up after +# themselves. +# +# We'll use the "store" helper, since we can easily inspect +# its state by looking at the on-disk file. But since it doesn't +# implement any caching or expiry logic, we'll cheat and override +# the "check" function to just report all results as OK. if test -z "$GIT_TEST_CREDENTIAL_HELPER"; then - skip_all="used to test external credential helpers" - test_done + GIT_TEST_CREDENTIAL_HELPER=store + GIT_TEST_CREDENTIAL_HELPER_TIMEOUT=store + check () { + test "$1" = "approve" || return 0 + git -c credential.helper=store credential approve + } + check_cleanup=t fi test -z "$GIT_TEST_CREDENTIAL_HELPER_SETUP" || @@ -59,4 +74,11 @@ fi # might be long-term system storage helper_test_clean "$GIT_TEST_CREDENTIAL_HELPER" +if test "$check_cleanup" = "t" +then + test_expect_success 'test cleanup removes everything' ' + test_must_be_empty "$HOME/.git-credentials" + ' +fi + test_done diff --git a/t/t0410-partial-clone.sh b/t/t0410-partial-clone.sh index 6b6424b3df..88a66f0904 100755 --- a/t/t0410-partial-clone.sh +++ b/t/t0410-partial-clone.sh @@ -49,7 +49,7 @@ test_expect_success 'convert shallow clone to partial clone' ' test_cmp_config -C client 1 core.repositoryformatversion ' -test_expect_success SHA1,REFFILES 'convert to partial clone with noop extension' ' +test_expect_success DEFAULT_REPO_FORMAT 'convert to partial clone with noop extension' ' rm -fr server client && test_create_repo server && test_commit -C server my_commit 1 && @@ -60,7 +60,7 @@ test_expect_success SHA1,REFFILES 'convert to partial clone with noop extension' git -C client fetch --unshallow --filter="blob:none" ' -test_expect_success SHA1,REFFILES 'converting to partial clone fails with unrecognized extension' ' +test_expect_success DEFAULT_REPO_FORMAT 'converting to partial clone fails with unrecognized extension' ' rm -fr server client && test_create_repo server && test_commit -C server my_commit 1 && @@ -665,6 +665,21 @@ test_expect_success 'lazy-fetch when accessing object not in the_repository' ' git -C partial.git rev-list --objects --missing=print HEAD >out && grep "[?]$FILE_HASH" out && + # The no-lazy-fetch mechanism prevents Git from fetching + test_must_fail env GIT_NO_LAZY_FETCH=1 \ + git -C partial.git cat-file -e "$FILE_HASH" && + + # The same with command line option to "git" + test_must_fail git --no-lazy-fetch -C partial.git cat-file -e "$FILE_HASH" && + + # The same, forcing a subprocess via an alias + test_must_fail git --no-lazy-fetch -C partial.git \ + -c alias.foo="!git cat-file" foo -e "$FILE_HASH" && + + # Sanity check that the file is still missing + git -C partial.git rev-list --objects --missing=print HEAD >out && + grep "[?]$FILE_HASH" out && + git -C full cat-file -s "$FILE_HASH" >expect && test-tool partial-clone object-info partial.git "$FILE_HASH" >actual && test_cmp expect actual && diff --git a/t/t0600-reffiles-backend.sh b/t/t0600-reffiles-backend.sh index e6a5f1868f..64214340e7 100755 --- a/t/t0600-reffiles-backend.sh +++ b/t/t0600-reffiles-backend.sh @@ -279,31 +279,31 @@ test_expect_success 'setup worktree' ' # direct FS access for creating the reflogs. 3) PSEUDO-WT and refs/bisect/random # do not create reflogs by default, so it is not testing a realistic scenario. test_expect_success 'for_each_reflog()' ' - echo $ZERO_OID > .git/logs/PSEUDO-MAIN && + echo $ZERO_OID >.git/logs/PSEUDO_MAIN_HEAD && mkdir -p .git/logs/refs/bisect && - echo $ZERO_OID > .git/logs/refs/bisect/random && + echo $ZERO_OID >.git/logs/refs/bisect/random && - echo $ZERO_OID > .git/worktrees/wt/logs/PSEUDO-WT && + echo $ZERO_OID >.git/worktrees/wt/logs/PSEUDO_WT_HEAD && mkdir -p .git/worktrees/wt/logs/refs/bisect && - echo $ZERO_OID > .git/worktrees/wt/logs/refs/bisect/wt-random && + echo $ZERO_OID >.git/worktrees/wt/logs/refs/bisect/wt-random && - $RWT for-each-reflog | cut -d" " -f 2- | sort >actual && + $RWT for-each-reflog >actual && cat >expected <<-\EOF && - HEAD 0x1 - PSEUDO-WT 0x0 - refs/bisect/wt-random 0x0 - refs/heads/main 0x0 - refs/heads/wt-main 0x0 + HEAD + PSEUDO_WT_HEAD + refs/bisect/wt-random + refs/heads/main + refs/heads/wt-main EOF test_cmp expected actual && - $RMAIN for-each-reflog | cut -d" " -f 2- | sort >actual && + $RMAIN for-each-reflog >actual && cat >expected <<-\EOF && - HEAD 0x1 - PSEUDO-MAIN 0x0 - refs/bisect/random 0x0 - refs/heads/main 0x0 - refs/heads/wt-main 0x0 + HEAD + PSEUDO_MAIN_HEAD + refs/bisect/random + refs/heads/main + refs/heads/wt-main EOF test_cmp expected actual ' @@ -381,4 +381,95 @@ test_expect_success 'log diagnoses bogus HEAD symref' ' test_grep broken stderr ' +test_expect_success 'empty directory removal' ' + git branch d1/d2/r1 HEAD && + git branch d1/r2 HEAD && + test_path_is_file .git/refs/heads/d1/d2/r1 && + test_path_is_file .git/logs/refs/heads/d1/d2/r1 && + git branch -d d1/d2/r1 && + test_must_fail git show-ref --verify -q refs/heads/d1/d2 && + test_must_fail git show-ref --verify -q logs/refs/heads/d1/d2 && + test_path_is_file .git/refs/heads/d1/r2 && + test_path_is_file .git/logs/refs/heads/d1/r2 +' + +test_expect_success 'symref empty directory removal' ' + git branch e1/e2/r1 HEAD && + git branch e1/r2 HEAD && + git checkout e1/e2/r1 && + test_when_finished "git checkout main" && + test_path_is_file .git/refs/heads/e1/e2/r1 && + test_path_is_file .git/logs/refs/heads/e1/e2/r1 && + git update-ref -d HEAD && + test_must_fail git show-ref --verify -q refs/heads/e1/e2 && + test_must_fail git show-ref --verify -q logs/refs/heads/e1/e2 && + test_path_is_file .git/refs/heads/e1/r2 && + test_path_is_file .git/logs/refs/heads/e1/r2 && + test_path_is_file .git/logs/HEAD +' + +test_expect_success 'directory not created deleting packed ref' ' + git branch d1/d2/r1 HEAD && + git pack-refs --all && + test_path_is_missing .git/refs/heads/d1/d2 && + git update-ref -d refs/heads/d1/d2/r1 && + test_path_is_missing .git/refs/heads/d1/d2 && + test_path_is_missing .git/refs/heads/d1 +' + +test_expect_success SYMLINKS 'git branch -m u v should fail when the reflog for u is a symlink' ' + git branch --create-reflog u && + mv .git/logs/refs/heads/u real-u && + ln -s real-u .git/logs/refs/heads/u && + test_must_fail git branch -m u v +' + +test_expect_success SYMLINKS 'git branch -m with symlinked .git/refs' ' + test_when_finished "rm -rf subdir" && + git init --bare subdir && + + rm -rfv subdir/refs subdir/objects subdir/packed-refs && + ln -s ../.git/refs subdir/refs && + ln -s ../.git/objects subdir/objects && + ln -s ../.git/packed-refs subdir/packed-refs && + + git -C subdir rev-parse --absolute-git-dir >subdir.dir && + git rev-parse --absolute-git-dir >our.dir && + ! test_cmp subdir.dir our.dir && + + git -C subdir log && + git -C subdir branch rename-src && + git rev-parse rename-src >expect && + git -C subdir branch -m rename-src rename-dest && + git rev-parse rename-dest >actual && + test_cmp expect actual && + git branch -D rename-dest +' + +test_expect_success MINGW,SYMLINKS_WINDOWS 'rebase when .git/logs is a symlink' ' + git checkout main && + mv .git/logs actual_logs && + cmd //c "mklink /D .git\logs ..\actual_logs" && + git rebase -f HEAD^ && + test -L .git/logs && + rm .git/logs && + mv actual_logs .git/logs +' + +test_expect_success POSIXPERM 'git reflog expire honors core.sharedRepository' ' + umask 077 && + git config core.sharedRepository group && + git reflog expire --all && + actual="$(ls -l .git/logs/refs/heads/main)" && + case "$actual" in + -rw-rw-*) + : happy + ;; + *) + echo Ooops, .git/logs/refs/heads/main is not 066x [$actual] + false + ;; + esac +' + test_done diff --git a/t/t0610-reftable-basics.sh b/t/t0610-reftable-basics.sh new file mode 100755 index 0000000000..686781192e --- /dev/null +++ b/t/t0610-reftable-basics.sh @@ -0,0 +1,899 @@ +#!/bin/sh +# +# Copyright (c) 2020 Google LLC +# + +test_description='reftable basics' +GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main +export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME + +. ./test-lib.sh + +if ! test_have_prereq REFTABLE +then + skip_all='skipping reftable tests; set GIT_TEST_DEFAULT_REF_FORMAT=reftable' + test_done +fi + +INVALID_OID=$(test_oid 001) + +test_expect_success 'init: creates basic reftable structures' ' + test_when_finished "rm -rf repo" && + git init repo && + test_path_is_dir repo/.git/reftable && + test_path_is_file repo/.git/reftable/tables.list && + echo reftable >expect && + git -C repo rev-parse --show-ref-format >actual && + test_cmp expect actual +' + +test_expect_success 'init: sha256 object format via environment variable' ' + test_when_finished "rm -rf repo" && + GIT_DEFAULT_HASH=sha256 git init repo && + cat >expect <<-EOF && + sha256 + reftable + EOF + git -C repo rev-parse --show-object-format --show-ref-format >actual && + test_cmp expect actual +' + +test_expect_success 'init: sha256 object format via option' ' + test_when_finished "rm -rf repo" && + git init --object-format=sha256 repo && + cat >expect <<-EOF && + sha256 + reftable + EOF + git -C repo rev-parse --show-object-format --show-ref-format >actual && + test_cmp expect actual +' + +test_expect_success 'init: reinitializing reftable backend succeeds' ' + test_when_finished "rm -rf repo" && + git init repo && + test_commit -C repo A && + + git -C repo for-each-ref >expect && + git init --ref-format=reftable repo && + git -C repo for-each-ref >actual && + test_cmp expect actual +' + +test_expect_success 'init: reinitializing files with reftable backend fails' ' + test_when_finished "rm -rf repo" && + git init --ref-format=files repo && + test_commit -C repo file && + + cp repo/.git/HEAD expect && + test_must_fail git init --ref-format=reftable repo && + test_cmp expect repo/.git/HEAD +' + +test_expect_success 'init: reinitializing reftable with files backend fails' ' + test_when_finished "rm -rf repo" && + git init --ref-format=reftable repo && + test_commit -C repo file && + + cp repo/.git/HEAD expect && + test_must_fail git init --ref-format=files repo && + test_cmp expect repo/.git/HEAD +' + +test_expect_perms () { + local perms="$1" + local file="$2" + local actual=$(ls -l "$file") && + + case "$actual" in + $perms*) + : happy + ;; + *) + echo "$(basename $2) is not $perms but $actual" + false + ;; + esac +} + +for umask in 002 022 +do + test_expect_success POSIXPERM 'init: honors core.sharedRepository' ' + test_when_finished "rm -rf repo" && + ( + umask $umask && + git init --shared=true repo && + test 1 = "$(git -C repo config core.sharedrepository)" + ) && + test_expect_perms "-rw-rw-r--" repo/.git/reftable/tables.list && + for table in repo/.git/reftable/*.ref + do + test_expect_perms "-rw-rw-r--" "$table" || + return 1 + done + ' +done + +test_expect_success 'clone: can clone reftable repository' ' + test_when_finished "rm -rf repo clone" && + git init repo && + test_commit -C repo message1 file1 && + + git clone repo cloned && + echo reftable >expect && + git -C cloned rev-parse --show-ref-format >actual && + test_cmp expect actual && + test_path_is_file cloned/file1 +' + +test_expect_success 'clone: can clone reffiles into reftable repository' ' + test_when_finished "rm -rf reffiles reftable" && + git init --ref-format=files reffiles && + test_commit -C reffiles A && + git clone --ref-format=reftable ./reffiles reftable && + + git -C reffiles rev-parse HEAD >expect && + git -C reftable rev-parse HEAD >actual && + test_cmp expect actual && + + git -C reftable rev-parse --show-ref-format >actual && + echo reftable >expect && + test_cmp expect actual && + + git -C reffiles rev-parse --show-ref-format >actual && + echo files >expect && + test_cmp expect actual +' + +test_expect_success 'clone: can clone reftable into reffiles repository' ' + test_when_finished "rm -rf reffiles reftable" && + git init --ref-format=reftable reftable && + test_commit -C reftable A && + git clone --ref-format=files ./reftable reffiles && + + git -C reftable rev-parse HEAD >expect && + git -C reffiles rev-parse HEAD >actual && + test_cmp expect actual && + + git -C reftable rev-parse --show-ref-format >actual && + echo reftable >expect && + test_cmp expect actual && + + git -C reffiles rev-parse --show-ref-format >actual && + echo files >expect && + test_cmp expect actual +' + +test_expect_success 'ref transaction: corrupted tables cause failure' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + test_commit file1 && + for f in .git/reftable/*.ref + do + : >"$f" || return 1 + done && + test_must_fail git update-ref refs/heads/main HEAD + ) +' + +test_expect_success 'ref transaction: corrupted tables.list cause failure' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + test_commit file1 && + echo garbage >.git/reftable/tables.list && + test_must_fail git update-ref refs/heads/main HEAD + ) +' + +test_expect_success 'ref transaction: refuses to write ref causing F/D conflict' ' + test_when_finished "rm -rf repo" && + git init repo && + test_commit -C repo file && + test_must_fail git -C repo update-ref refs/heads/main/forbidden +' + +test_expect_success 'ref transaction: deleting ref with invalid name fails' ' + test_when_finished "rm -rf repo" && + git init repo && + test_commit -C repo file && + test_must_fail git -C repo update-ref -d ../../my-private-file +' + +test_expect_success 'ref transaction: can skip object ID verification' ' + test_when_finished "rm -rf repo" && + git init repo && + test_must_fail test-tool -C repo ref-store main update-ref msg refs/heads/branch $INVALID_OID $ZERO_OID 0 && + test-tool -C repo ref-store main update-ref msg refs/heads/branch $INVALID_OID $ZERO_OID REF_SKIP_OID_VERIFICATION +' + +test_expect_success 'ref transaction: updating same ref multiple times fails' ' + test_when_finished "rm -rf repo" && + git init repo && + test_commit -C repo A && + cat >updates <<-EOF && + update refs/heads/main $A + update refs/heads/main $A + EOF + cat >expect <<-EOF && + fatal: multiple updates for ref ${SQ}refs/heads/main${SQ} not allowed + EOF + test_must_fail git -C repo update-ref --stdin <updates 2>err && + test_cmp expect err +' + +test_expect_success 'ref transaction: can delete symbolic self-reference with git-symbolic-ref(1)' ' + test_when_finished "rm -rf repo" && + git init repo && + git -C repo symbolic-ref refs/heads/self refs/heads/self && + git -C repo symbolic-ref -d refs/heads/self +' + +test_expect_success 'ref transaction: deleting symbolic self-reference without --no-deref fails' ' + test_when_finished "rm -rf repo" && + git init repo && + git -C repo symbolic-ref refs/heads/self refs/heads/self && + cat >expect <<-EOF && + error: multiple updates for ${SQ}refs/heads/self${SQ} (including one via symref ${SQ}refs/heads/self${SQ}) are not allowed + EOF + test_must_fail git -C repo update-ref -d refs/heads/self 2>err && + test_cmp expect err +' + +test_expect_success 'ref transaction: deleting symbolic self-reference with --no-deref succeeds' ' + test_when_finished "rm -rf repo" && + git init repo && + git -C repo symbolic-ref refs/heads/self refs/heads/self && + git -C repo update-ref -d --no-deref refs/heads/self +' + +test_expect_success 'ref transaction: creating symbolic ref fails with F/D conflict' ' + test_when_finished "rm -rf repo" && + git init repo && + test_commit -C repo A && + cat >expect <<-EOF && + error: unable to write symref for refs/heads: file/directory conflict + EOF + test_must_fail git -C repo symbolic-ref refs/heads refs/heads/foo 2>err && + test_cmp expect err +' + +test_expect_success 'ref transaction: ref deletion' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + test_commit file && + HEAD_OID=$(git show-ref -s --verify HEAD) && + cat >expect <<-EOF && + $HEAD_OID refs/heads/main + $HEAD_OID refs/tags/file + EOF + git show-ref >actual && + test_cmp expect actual && + + test_must_fail git update-ref -d refs/tags/file $INVALID_OID && + git show-ref >actual && + test_cmp expect actual && + + git update-ref -d refs/tags/file $HEAD_OID && + echo "$HEAD_OID refs/heads/main" >expect && + git show-ref >actual && + test_cmp expect actual + ) +' + +test_expect_success 'ref transaction: writes cause auto-compaction' ' + test_when_finished "rm -rf repo" && + + git init repo && + test_line_count = 1 repo/.git/reftable/tables.list && + + test_commit -C repo --no-tag A && + test_line_count = 2 repo/.git/reftable/tables.list && + + test_commit -C repo --no-tag B && + test_line_count = 1 repo/.git/reftable/tables.list +' + +check_fsync_events () { + local trace="$1" && + shift && + + cat >expect && + sed -n \ + -e '/^{"event":"counter",.*"category":"fsync",/ { + s/.*"category":"fsync",//; + s/}$//; + p; + }' \ + <"$trace" >actual && + test_cmp expect actual +} + +test_expect_success 'ref transaction: writes are synced' ' + test_when_finished "rm -rf repo" && + git init repo && + test_commit -C repo initial && + + GIT_TRACE2_EVENT="$(pwd)/trace2.txt" \ + GIT_TEST_FSYNC=true \ + git -C repo -c core.fsync=reference \ + -c core.fsyncMethod=fsync update-ref refs/heads/branch HEAD && + check_fsync_events trace2.txt <<-EOF + "name":"hardware-flush","count":2 + EOF +' + +test_expect_success 'ref transaction: empty transaction in empty repo' ' + test_when_finished "rm -rf repo" && + git init repo && + test_commit -C repo --no-tag A && + git -C repo update-ref -d refs/heads/main && + test-tool -C repo ref-store main delete-refs REF_NO_DEREF msg HEAD && + git -C repo update-ref --stdin <<-EOF + prepare + commit + EOF +' + +test_expect_success 'pack-refs: compacts tables' ' + test_when_finished "rm -rf repo" && + git init repo && + + test_commit -C repo A && + ls -1 repo/.git/reftable >table-files && + test_line_count = 4 table-files && + test_line_count = 3 repo/.git/reftable/tables.list && + + git -C repo pack-refs && + ls -1 repo/.git/reftable >table-files && + test_line_count = 2 table-files && + test_line_count = 1 repo/.git/reftable/tables.list +' + +test_expect_success 'pack-refs: prunes stale tables' ' + test_when_finished "rm -rf repo" && + git init repo && + touch repo/.git/reftable/stale-table.ref && + git -C repo pack-refs && + test_path_is_missing repo/.git/reftable/stable-ref.ref +' + +test_expect_success 'pack-refs: does not prune non-table files' ' + test_when_finished "rm -rf repo" && + git init repo && + touch repo/.git/reftable/garbage && + git -C repo pack-refs && + test_path_is_file repo/.git/reftable/garbage +' + +for umask in 002 022 +do + test_expect_success POSIXPERM 'pack-refs: honors core.sharedRepository' ' + test_when_finished "rm -rf repo" && + ( + umask $umask && + git init --shared=true repo && + test_commit -C repo A && + test_line_count = 3 repo/.git/reftable/tables.list + ) && + git -C repo pack-refs && + test_expect_perms "-rw-rw-r--" repo/.git/reftable/tables.list && + for table in repo/.git/reftable/*.ref + do + test_expect_perms "-rw-rw-r--" "$table" || + return 1 + done + ' +done + +test_expect_success 'packed-refs: writes are synced' ' + test_when_finished "rm -rf repo" && + git init repo && + test_commit -C repo initial && + test_line_count = 2 table-files && + + : >trace2.txt && + GIT_TRACE2_EVENT="$(pwd)/trace2.txt" \ + GIT_TEST_FSYNC=true \ + git -C repo -c core.fsync=reference \ + -c core.fsyncMethod=fsync pack-refs && + check_fsync_events trace2.txt <<-EOF + "name":"hardware-flush","count":2 + EOF +' + +test_expect_success 'ref iterator: bogus names are flagged' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + test_commit --no-tag file && + test-tool ref-store main update-ref msg "refs/heads/bogus..name" $(git rev-parse HEAD) $ZERO_OID REF_SKIP_REFNAME_VERIFICATION && + + cat >expect <<-EOF && + $ZERO_OID refs/heads/bogus..name 0xc + $(git rev-parse HEAD) refs/heads/main 0x0 + EOF + test-tool ref-store main for-each-ref "" >actual && + test_cmp expect actual + ) +' + +test_expect_success 'ref iterator: missing object IDs are not flagged' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + test-tool ref-store main update-ref msg "refs/heads/broken-hash" $INVALID_OID $ZERO_OID REF_SKIP_OID_VERIFICATION && + + cat >expect <<-EOF && + $INVALID_OID refs/heads/broken-hash 0x0 + EOF + test-tool ref-store main for-each-ref "" >actual && + test_cmp expect actual + ) +' + +test_expect_success 'basic: commit and list refs' ' + test_when_finished "rm -rf repo" && + git init repo && + test_commit -C repo file && + test_write_lines refs/heads/main refs/tags/file >expect && + git -C repo for-each-ref --format="%(refname)" >actual && + test_cmp actual expect +' + +test_expect_success 'basic: can write large commit message' ' + test_when_finished "rm -rf repo" && + git init repo && + perl -e " + print \"this is a long commit message\" x 50000 + " >commit-msg && + git -C repo commit --allow-empty --file=../commit-msg +' + +test_expect_success 'basic: show-ref fails with empty repository' ' + test_when_finished "rm -rf repo" && + git init repo && + test_must_fail git -C repo show-ref >actual && + test_must_be_empty actual +' + +test_expect_success 'basic: can check out unborn branch' ' + test_when_finished "rm -rf repo" && + git init repo && + git -C repo checkout -b main +' + +test_expect_success 'basic: peeled tags are stored' ' + test_when_finished "rm -rf repo" && + git init repo && + test_commit -C repo file && + git -C repo tag -m "annotated tag" test_tag HEAD && + for ref in refs/heads/main refs/tags/file refs/tags/test_tag refs/tags/test_tag^{} + do + echo "$(git -C repo rev-parse "$ref") $ref" || return 1 + done >expect && + git -C repo show-ref -d >actual && + test_cmp expect actual +' + +test_expect_success 'basic: for-each-ref can print symrefs' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + test_commit file && + git branch && + git symbolic-ref refs/heads/sym refs/heads/main && + cat >expected <<-EOF && + refs/heads/main + EOF + git for-each-ref --format="%(symref)" refs/heads/sym >actual && + test_cmp expected actual + ) +' + +test_expect_success 'basic: notes' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + write_script fake_editor <<-\EOF && + echo "$MSG" >"$1" + echo "$MSG" >&2 + EOF + + test_commit 1st && + test_commit 2nd && + GIT_EDITOR=./fake_editor MSG=b4 git notes add && + GIT_EDITOR=./fake_editor MSG=b3 git notes edit && + echo b4 >expect && + git notes --ref commits@{1} show >actual && + test_cmp expect actual + ) +' + +test_expect_success 'basic: stash' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + test_commit file && + git stash list >expect && + test_line_count = 0 expect && + + echo hoi >>file.t && + git stash push -m stashed && + git stash list >expect && + test_line_count = 1 expect && + + git stash clear && + git stash list >expect && + test_line_count = 0 expect + ) +' + +test_expect_success 'basic: cherry-pick' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + test_commit message1 file1 && + test_commit message2 file2 && + git branch source && + git checkout HEAD^ && + test_commit message3 file3 && + git cherry-pick source && + test_path_is_file file2 + ) +' + +test_expect_success 'basic: rebase' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + test_commit message1 file1 && + test_commit message2 file2 && + git branch source && + git checkout HEAD^ && + test_commit message3 file3 && + git rebase source && + test_path_is_file file2 + ) +' + +test_expect_success 'reflog: can delete separate reflog entries' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + + test_commit file && + test_commit file2 && + test_commit file3 && + test_commit file4 && + git reflog >actual && + grep file3 actual && + + git reflog delete HEAD@{1} && + git reflog >actual && + ! grep file3 actual + ) +' + +test_expect_success 'reflog: can switch to previous branch' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + test_commit file1 && + git checkout -b branch1 && + test_commit file2 && + git checkout -b branch2 && + git switch - && + git rev-parse --symbolic-full-name HEAD >actual && + echo refs/heads/branch1 >expect && + test_cmp actual expect + ) +' + +test_expect_success 'reflog: copying branch writes reflog entry' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + test_commit file1 && + test_commit file2 && + oid=$(git rev-parse --short HEAD) && + git branch src && + cat >expect <<-EOF && + ${oid} dst@{0}: Branch: copied refs/heads/src to refs/heads/dst + ${oid} dst@{1}: branch: Created from main + EOF + git branch -c src dst && + git reflog dst >actual && + test_cmp expect actual + ) +' + +test_expect_success 'reflog: renaming branch writes reflog entry' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + git symbolic-ref HEAD refs/heads/before && + test_commit file && + git show-ref >expected.refs && + sed s/before/after/g <expected.refs >expected && + git branch -M after && + git show-ref >actual && + test_cmp expected actual && + echo refs/heads/after >expected && + git symbolic-ref HEAD >actual && + test_cmp expected actual + ) +' + +test_expect_success 'reflog: can store empty logs' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + + test_must_fail test-tool ref-store main reflog-exists refs/heads/branch && + test-tool ref-store main create-reflog refs/heads/branch && + test-tool ref-store main reflog-exists refs/heads/branch && + test-tool ref-store main for-each-reflog-ent-reverse refs/heads/branch >actual && + test_must_be_empty actual + ) +' + +test_expect_success 'reflog: expiry empties reflog' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + + test_commit initial && + git checkout -b branch && + test_commit fileA && + test_commit fileB && + + cat >expect <<-EOF && + commit: fileB + commit: fileA + branch: Created from HEAD + EOF + git reflog show --format="%gs" refs/heads/branch >actual && + test_cmp expect actual && + + git reflog expire branch --expire=all && + git reflog show --format="%gs" refs/heads/branch >actual && + test_must_be_empty actual && + test-tool ref-store main reflog-exists refs/heads/branch + ) +' + +test_expect_success 'reflog: can be deleted' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + test_commit initial && + test-tool ref-store main reflog-exists refs/heads/main && + test-tool ref-store main delete-reflog refs/heads/main && + test_must_fail test-tool ref-store main reflog-exists refs/heads/main + ) +' + +test_expect_success 'reflog: garbage collection deletes reflog entries' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + + for count in $(test_seq 1 10) + do + test_commit "number $count" file.t $count number-$count || + return 1 + done && + git reflog refs/heads/main >actual && + test_line_count = 10 actual && + grep "commit (initial): number 1" actual && + grep "commit: number 10" actual && + + git gc && + git reflog refs/heads/main >actual && + test_line_count = 0 actual + ) +' + +test_expect_success 'reflog: updates via HEAD update HEAD reflog' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + test_commit main-one && + git checkout -b new-branch && + test_commit new-one && + test_commit new-two && + + echo new-one >expect && + git log -1 --format=%s HEAD@{1} >actual && + test_cmp expect actual + ) +' + +test_expect_success 'worktree: adding worktree creates separate stack' ' + test_when_finished "rm -rf repo worktree" && + git init repo && + test_commit -C repo A && + + git -C repo worktree add ../worktree && + test_path_is_file repo/.git/worktrees/worktree/refs/heads && + echo "ref: refs/heads/.invalid" >expect && + test_cmp expect repo/.git/worktrees/worktree/HEAD && + test_path_is_dir repo/.git/worktrees/worktree/reftable && + test_path_is_file repo/.git/worktrees/worktree/reftable/tables.list +' + +test_expect_success 'worktree: pack-refs in main repo packs main refs' ' + test_when_finished "rm -rf repo worktree" && + git init repo && + test_commit -C repo A && + git -C repo worktree add ../worktree && + + test_line_count = 3 repo/.git/worktrees/worktree/reftable/tables.list && + test_line_count = 4 repo/.git/reftable/tables.list && + git -C repo pack-refs && + test_line_count = 3 repo/.git/worktrees/worktree/reftable/tables.list && + test_line_count = 1 repo/.git/reftable/tables.list +' + +test_expect_success 'worktree: pack-refs in worktree packs worktree refs' ' + test_when_finished "rm -rf repo worktree" && + git init repo && + test_commit -C repo A && + git -C repo worktree add ../worktree && + + test_line_count = 3 repo/.git/worktrees/worktree/reftable/tables.list && + test_line_count = 4 repo/.git/reftable/tables.list && + git -C worktree pack-refs && + test_line_count = 1 repo/.git/worktrees/worktree/reftable/tables.list && + test_line_count = 4 repo/.git/reftable/tables.list +' + +test_expect_success 'worktree: creating shared ref updates main stack' ' + test_when_finished "rm -rf repo worktree" && + git init repo && + test_commit -C repo A && + + git -C repo worktree add ../worktree && + git -C repo pack-refs && + git -C worktree pack-refs && + test_line_count = 1 repo/.git/worktrees/worktree/reftable/tables.list && + test_line_count = 1 repo/.git/reftable/tables.list && + + git -C worktree update-ref refs/heads/shared HEAD && + test_line_count = 1 repo/.git/worktrees/worktree/reftable/tables.list && + test_line_count = 2 repo/.git/reftable/tables.list +' + +test_expect_success 'worktree: creating per-worktree ref updates worktree stack' ' + test_when_finished "rm -rf repo worktree" && + git init repo && + test_commit -C repo A && + + git -C repo worktree add ../worktree && + git -C repo pack-refs && + git -C worktree pack-refs && + test_line_count = 1 repo/.git/worktrees/worktree/reftable/tables.list && + test_line_count = 1 repo/.git/reftable/tables.list && + + git -C worktree update-ref refs/bisect/per-worktree HEAD && + test_line_count = 2 repo/.git/worktrees/worktree/reftable/tables.list && + test_line_count = 1 repo/.git/reftable/tables.list +' + +test_expect_success 'worktree: creating per-worktree ref from main repo' ' + test_when_finished "rm -rf repo worktree" && + git init repo && + test_commit -C repo A && + + git -C repo worktree add ../worktree && + git -C repo pack-refs && + git -C worktree pack-refs && + test_line_count = 1 repo/.git/worktrees/worktree/reftable/tables.list && + test_line_count = 1 repo/.git/reftable/tables.list && + + git -C repo update-ref worktrees/worktree/refs/bisect/per-worktree HEAD && + test_line_count = 2 repo/.git/worktrees/worktree/reftable/tables.list && + test_line_count = 1 repo/.git/reftable/tables.list +' + +test_expect_success 'worktree: creating per-worktree ref from second worktree' ' + test_when_finished "rm -rf repo wt1 wt2" && + git init repo && + test_commit -C repo A && + + git -C repo worktree add ../wt1 && + git -C repo worktree add ../wt2 && + git -C repo pack-refs && + git -C wt1 pack-refs && + git -C wt2 pack-refs && + test_line_count = 1 repo/.git/worktrees/wt1/reftable/tables.list && + test_line_count = 1 repo/.git/worktrees/wt2/reftable/tables.list && + test_line_count = 1 repo/.git/reftable/tables.list && + + git -C wt1 update-ref worktrees/wt2/refs/bisect/per-worktree HEAD && + test_line_count = 1 repo/.git/worktrees/wt1/reftable/tables.list && + test_line_count = 2 repo/.git/worktrees/wt2/reftable/tables.list && + test_line_count = 1 repo/.git/reftable/tables.list +' + +test_expect_success 'worktree: can create shared and per-worktree ref in one transaction' ' + test_when_finished "rm -rf repo worktree" && + git init repo && + test_commit -C repo A && + + git -C repo worktree add ../worktree && + git -C repo pack-refs && + git -C worktree pack-refs && + test_line_count = 1 repo/.git/worktrees/worktree/reftable/tables.list && + test_line_count = 1 repo/.git/reftable/tables.list && + + cat >stdin <<-EOF && + create worktrees/worktree/refs/bisect/per-worktree HEAD + create refs/branches/shared HEAD + EOF + git -C repo update-ref --stdin <stdin && + test_line_count = 2 repo/.git/worktrees/worktree/reftable/tables.list && + test_line_count = 2 repo/.git/reftable/tables.list +' + +test_expect_success 'worktree: can access common refs' ' + test_when_finished "rm -rf repo worktree" && + git init repo && + test_commit -C repo file1 && + git -C repo branch branch1 && + git -C repo worktree add ../worktree && + + echo refs/heads/worktree >expect && + git -C worktree symbolic-ref HEAD >actual && + test_cmp expect actual && + git -C worktree checkout branch1 +' + +test_expect_success 'worktree: adds worktree with detached HEAD' ' + test_when_finished "rm -rf repo worktree" && + + git init repo && + test_commit -C repo A && + git -C repo rev-parse main >expect && + + git -C repo worktree add --detach ../worktree main && + git -C worktree rev-parse HEAD >actual && + test_cmp expect actual +' + +test_expect_success 'fetch: accessing FETCH_HEAD special ref works' ' + test_when_finished "rm -rf repo sub" && + + git init sub && + test_commit -C sub two && + git -C sub rev-parse HEAD >expect && + + git init repo && + test_commit -C repo one && + git -C repo fetch ../sub && + git -C repo rev-parse FETCH_HEAD >actual && + test_cmp expect actual +' + +test_done diff --git a/t/t0611-reftable-httpd.sh b/t/t0611-reftable-httpd.sh new file mode 100755 index 0000000000..5e05b9c1f2 --- /dev/null +++ b/t/t0611-reftable-httpd.sh @@ -0,0 +1,26 @@ +#!/bin/sh + +test_description='reftable HTTPD tests' + +. ./test-lib.sh +. "$TEST_DIRECTORY"/lib-httpd.sh + +start_httpd + +REPO="$HTTPD_DOCUMENT_ROOT_PATH/repo" + +test_expect_success 'serving ls-remote' ' + git init --ref-format=reftable -b main "$REPO" && + cd "$REPO" && + test_commit m1 && + >.git/git-daemon-export-ok && + git ls-remote "http://127.0.0.1:$LIB_HTTPD_PORT/smart/repo" | cut -f 2-2 -d " " >actual && + cat >expect <<-EOF && + HEAD + refs/heads/main + refs/tags/m1 + EOF + test_cmp actual expect +' + +test_done diff --git a/t/t1006-cat-file.sh b/t/t1006-cat-file.sh index e0c6482797..e12b221972 100755 --- a/t/t1006-cat-file.sh +++ b/t/t1006-cat-file.sh @@ -112,65 +112,65 @@ strlen () { run_tests () { type=$1 - sha1=$2 + oid=$2 size=$3 content=$4 pretty_content=$5 - batch_output="$sha1 $type $size + batch_output="$oid $type $size $content" test_expect_success "$type exists" ' - git cat-file -e $sha1 + git cat-file -e $oid ' test_expect_success "Type of $type is correct" ' echo $type >expect && - git cat-file -t $sha1 >actual && + git cat-file -t $oid >actual && test_cmp expect actual ' test_expect_success "Size of $type is correct" ' echo $size >expect && - git cat-file -s $sha1 >actual && + git cat-file -s $oid >actual && test_cmp expect actual ' test_expect_success "Type of $type is correct using --allow-unknown-type" ' echo $type >expect && - git cat-file -t --allow-unknown-type $sha1 >actual && + git cat-file -t --allow-unknown-type $oid >actual && test_cmp expect actual ' test_expect_success "Size of $type is correct using --allow-unknown-type" ' echo $size >expect && - git cat-file -s --allow-unknown-type $sha1 >actual && + git cat-file -s --allow-unknown-type $oid >actual && test_cmp expect actual ' test -z "$content" || test_expect_success "Content of $type is correct" ' echo_without_newline "$content" >expect && - git cat-file $type $sha1 >actual && + git cat-file $type $oid >actual && test_cmp expect actual ' test_expect_success "Pretty content of $type is correct" ' echo_without_newline "$pretty_content" >expect && - git cat-file -p $sha1 >actual && + git cat-file -p $oid >actual && test_cmp expect actual ' test -z "$content" || test_expect_success "--batch output of $type is correct" ' echo "$batch_output" >expect && - echo $sha1 | git cat-file --batch >actual && + echo $oid | git cat-file --batch >actual && test_cmp expect actual ' test_expect_success "--batch-check output of $type is correct" ' - echo "$sha1 $type $size" >expect && - echo_without_newline $sha1 | git cat-file --batch-check >actual && + echo "$oid $type $size" >expect && + echo_without_newline $oid | git cat-file --batch-check >actual && test_cmp expect actual ' @@ -179,33 +179,33 @@ $content" test -z "$content" || test_expect_success "--batch-command $opt output of $type content is correct" ' echo "$batch_output" >expect && - test_write_lines "contents $sha1" | git cat-file --batch-command $opt >actual && + test_write_lines "contents $oid" | git cat-file --batch-command $opt >actual && test_cmp expect actual ' test_expect_success "--batch-command $opt output of $type info is correct" ' - echo "$sha1 $type $size" >expect && - test_write_lines "info $sha1" | + echo "$oid $type $size" >expect && + test_write_lines "info $oid" | git cat-file --batch-command $opt >actual && test_cmp expect actual ' done test_expect_success "custom --batch-check format" ' - echo "$type $sha1" >expect && - echo $sha1 | git cat-file --batch-check="%(objecttype) %(objectname)" >actual && + echo "$type $oid" >expect && + echo $oid | git cat-file --batch-check="%(objecttype) %(objectname)" >actual && test_cmp expect actual ' test_expect_success "custom --batch-command format" ' - echo "$type $sha1" >expect && - echo "info $sha1" | git cat-file --batch-command="%(objecttype) %(objectname)" >actual && + echo "$type $oid" >expect && + echo "info $oid" | git cat-file --batch-command="%(objecttype) %(objectname)" >actual && test_cmp expect actual ' test_expect_success '--batch-check with %(rest)' ' echo "$type this is some extra content" >expect && - echo "$sha1 this is some extra content" | + echo "$oid this is some extra content" | git cat-file --batch-check="%(objecttype) %(rest)" >actual && test_cmp expect actual ' @@ -216,7 +216,7 @@ $content" echo "$size" && echo "$content" } >expect && - echo $sha1 | git cat-file --batch="%(objectsize)" >actual && + echo $oid | git cat-file --batch="%(objectsize)" >actual && test_cmp expect actual ' @@ -226,114 +226,154 @@ $content" echo "$type" && echo "$content" } >expect && - echo $sha1 | git cat-file --batch="%(objecttype)" >actual && + echo $oid | git cat-file --batch="%(objecttype)" >actual && test_cmp expect actual ' } hello_content="Hello World" hello_size=$(strlen "$hello_content") -hello_sha1=$(echo_without_newline "$hello_content" | git hash-object --stdin) +hello_oid=$(echo_without_newline "$hello_content" | git hash-object --stdin) test_expect_success "setup" ' + git config core.repositoryformatversion 1 && + git config extensions.objectformat $test_hash_algo && + git config extensions.compatobjectformat $test_compat_hash_algo && echo_without_newline "$hello_content" > hello && git update-index --add hello ' -run_tests 'blob' $hello_sha1 $hello_size "$hello_content" "$hello_content" +run_blob_tests () { + oid=$1 -test_expect_success '--batch-command --buffer with flush for blob info' ' - echo "$hello_sha1 blob $hello_size" >expect && - test_write_lines "info $hello_sha1" "flush" | + run_tests 'blob' $oid $hello_size "$hello_content" "$hello_content" + + test_expect_success '--batch-command --buffer with flush for blob info' ' + echo "$oid blob $hello_size" >expect && + test_write_lines "info $oid" "flush" | GIT_TEST_CAT_FILE_NO_FLUSH_ON_EXIT=1 \ git cat-file --batch-command --buffer >actual && test_cmp expect actual -' + ' -test_expect_success '--batch-command --buffer without flush for blob info' ' + test_expect_success '--batch-command --buffer without flush for blob info' ' touch output && - test_write_lines "info $hello_sha1" | + test_write_lines "info $oid" | GIT_TEST_CAT_FILE_NO_FLUSH_ON_EXIT=1 \ git cat-file --batch-command --buffer >>output && test_must_be_empty output -' + ' +} + +hello_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $hello_oid) +run_blob_tests $hello_oid +run_blob_tests $hello_compat_oid test_expect_success '--batch-check without %(rest) considers whole line' ' - echo "$hello_sha1 blob $hello_size" >expect && - git update-index --add --cacheinfo 100644 $hello_sha1 "white space" && + echo "$hello_oid blob $hello_size" >expect && + git update-index --add --cacheinfo 100644 $hello_oid "white space" && test_when_finished "git update-index --remove \"white space\"" && echo ":white space" | git cat-file --batch-check >actual && test_cmp expect actual ' -tree_sha1=$(git write-tree) +tree_oid=$(git write-tree) +tree_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $tree_oid) tree_size=$(($(test_oid rawsz) + 13)) -tree_pretty_content="100644 blob $hello_sha1 hello${LF}" +tree_compat_size=$(($(test_oid --hash=compat rawsz) + 13)) +tree_pretty_content="100644 blob $hello_oid hello${LF}" +tree_compat_pretty_content="100644 blob $hello_compat_oid hello${LF}" -run_tests 'tree' $tree_sha1 $tree_size "" "$tree_pretty_content" +run_tests 'tree' $tree_oid $tree_size "" "$tree_pretty_content" +run_tests 'tree' $tree_compat_oid $tree_compat_size "" "$tree_compat_pretty_content" commit_message="Initial commit" -commit_sha1=$(echo_without_newline "$commit_message" | git commit-tree $tree_sha1) +commit_oid=$(echo_without_newline "$commit_message" | git commit-tree $tree_oid) +commit_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $commit_oid) commit_size=$(($(test_oid hexsz) + 137)) -commit_content="tree $tree_sha1 +commit_compat_size=$(($(test_oid --hash=compat hexsz) + 137)) +commit_content="tree $tree_oid +author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> $GIT_AUTHOR_DATE +committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE + +$commit_message" + +commit_compat_content="tree $tree_compat_oid author $GIT_AUTHOR_NAME <$GIT_AUTHOR_EMAIL> $GIT_AUTHOR_DATE committer $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE $commit_message" -run_tests 'commit' $commit_sha1 $commit_size "$commit_content" "$commit_content" +run_tests 'commit' $commit_oid $commit_size "$commit_content" "$commit_content" +run_tests 'commit' $commit_compat_oid $commit_compat_size "$commit_compat_content" "$commit_compat_content" -tag_header_without_timestamp="object $hello_sha1 -type blob +tag_header_without_oid="type blob tag hellotag tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>" +tag_header_without_timestamp="object $hello_oid +$tag_header_without_oid" +tag_compat_header_without_timestamp="object $hello_compat_oid +$tag_header_without_oid" tag_description="This is a tag" tag_content="$tag_header_without_timestamp 0 +0000 $tag_description" +tag_compat_content="$tag_compat_header_without_timestamp 0 +0000 -tag_sha1=$(echo_without_newline "$tag_content" | git hash-object -t tag --stdin -w) +$tag_description" + +tag_oid=$(echo_without_newline "$tag_content" | git hash-object -t tag --stdin -w) tag_size=$(strlen "$tag_content") -run_tests 'tag' $tag_sha1 $tag_size "$tag_content" "$tag_content" +tag_compat_oid=$(git rev-parse --output-object-format=$test_compat_hash_algo $tag_oid) +tag_compat_size=$(strlen "$tag_compat_content") + +run_tests 'tag' $tag_oid $tag_size "$tag_content" "$tag_content" +run_tests 'tag' $tag_compat_oid $tag_compat_size "$tag_compat_content" "$tag_compat_content" test_expect_success "Reach a blob from a tag pointing to it" ' echo_without_newline "$hello_content" >expect && - git cat-file blob $tag_sha1 >actual && + git cat-file blob $tag_oid >actual && test_cmp expect actual ' -for batch in batch batch-check batch-command +for oid in $hello_oid $hello_compat_oid do - for opt in t s e p + for batch in batch batch-check batch-command do + for opt in t s e p + do test_expect_success "Passing -$opt with --$batch fails" ' - test_must_fail git cat-file --$batch -$opt $hello_sha1 + test_must_fail git cat-file --$batch -$opt $oid ' test_expect_success "Passing --$batch with -$opt fails" ' - test_must_fail git cat-file -$opt --$batch $hello_sha1 + test_must_fail git cat-file -$opt --$batch $oid ' - done + done - test_expect_success "Passing <type> with --$batch fails" ' - test_must_fail git cat-file --$batch blob $hello_sha1 - ' + test_expect_success "Passing <type> with --$batch fails" ' + test_must_fail git cat-file --$batch blob $oid + ' - test_expect_success "Passing --$batch with <type> fails" ' - test_must_fail git cat-file blob --$batch $hello_sha1 - ' + test_expect_success "Passing --$batch with <type> fails" ' + test_must_fail git cat-file blob --$batch $oid + ' - test_expect_success "Passing sha1 with --$batch fails" ' - test_must_fail git cat-file --$batch $hello_sha1 - ' + test_expect_success "Passing oid with --$batch fails" ' + test_must_fail git cat-file --$batch $oid + ' + done done -for opt in t s e p +for oid in $hello_oid $hello_compat_oid do - test_expect_success "Passing -$opt with --follow-symlinks fails" ' - test_must_fail git cat-file --follow-symlinks -$opt $hello_sha1 + for opt in t s e p + do + test_expect_success "Passing -$opt with --follow-symlinks fails" ' + test_must_fail git cat-file --follow-symlinks -$opt $oid ' + done done test_expect_success "--batch-check for a non-existent named object" ' @@ -360,12 +400,12 @@ test_expect_success "--batch-check for a non-existent hash" ' test_expect_success "--batch for an existent and a non-existent hash" ' cat >expect <<-EOF && - $tag_sha1 tag $tag_size + $tag_oid tag $tag_size $tag_content 0000000000000000000000000000000000000000 missing EOF - printf "$tag_sha1\n0000000000000000000000000000000000000000" >in && + printf "$tag_oid\n0000000000000000000000000000000000000000" >in && git cat-file --batch <in >actual && test_cmp expect actual ' @@ -386,112 +426,102 @@ test_expect_success 'empty --batch-check notices missing object' ' test_cmp expect actual ' -batch_input="$hello_sha1 -$commit_sha1 -$tag_sha1 +batch_tests () { + boid=$1 + loid=$2 + lsize=$3 + coid=$4 + csize=$5 + ccontent=$6 + toid=$7 + tsize=$8 + tcontent=$9 + + batch_input="$boid +$coid +$toid deadbeef " -printf "%s\0" \ - "$hello_sha1 blob $hello_size" \ + printf "%s\0" \ + "$boid blob $hello_size" \ "$hello_content" \ - "$commit_sha1 commit $commit_size" \ - "$commit_content" \ - "$tag_sha1 tag $tag_size" \ - "$tag_content" \ + "$coid commit $csize" \ + "$ccontent" \ + "$toid tag $tsize" \ + "$tcontent" \ "deadbeef missing" \ " missing" >batch_output -test_expect_success '--batch with multiple sha1s gives correct format' ' + test_expect_success '--batch with multiple oids gives correct format' ' tr "\0" "\n" <batch_output >expect && echo_without_newline "$batch_input" >in && git cat-file --batch <in >actual && test_cmp expect actual -' + ' -test_expect_success '--batch, -z with multiple sha1s gives correct format' ' + test_expect_success '--batch, -z with multiple oids gives correct format' ' echo_without_newline_nul "$batch_input" >in && tr "\0" "\n" <batch_output >expect && git cat-file --batch -z <in >actual && test_cmp expect actual -' + ' -test_expect_success '--batch, -Z with multiple sha1s gives correct format' ' + test_expect_success '--batch, -Z with multiple oids gives correct format' ' echo_without_newline_nul "$batch_input" >in && git cat-file --batch -Z <in >actual && test_cmp batch_output actual -' + ' -batch_check_input="$hello_sha1 -$tree_sha1 -$commit_sha1 -$tag_sha1 +batch_check_input="$boid +$loid +$coid +$toid deadbeef " -printf "%s\0" \ - "$hello_sha1 blob $hello_size" \ - "$tree_sha1 tree $tree_size" \ - "$commit_sha1 commit $commit_size" \ - "$tag_sha1 tag $tag_size" \ + printf "%s\0" \ + "$boid blob $hello_size" \ + "$loid tree $lsize" \ + "$coid commit $csize" \ + "$toid tag $tsize" \ "deadbeef missing" \ " missing" >batch_check_output -test_expect_success "--batch-check with multiple sha1s gives correct format" ' + test_expect_success "--batch-check with multiple oids gives correct format" ' tr "\0" "\n" <batch_check_output >expect && echo_without_newline "$batch_check_input" >in && git cat-file --batch-check <in >actual && test_cmp expect actual -' + ' -test_expect_success "--batch-check, -z with multiple sha1s gives correct format" ' + test_expect_success "--batch-check, -z with multiple oids gives correct format" ' tr "\0" "\n" <batch_check_output >expect && echo_without_newline_nul "$batch_check_input" >in && git cat-file --batch-check -z <in >actual && test_cmp expect actual -' + ' -test_expect_success "--batch-check, -Z with multiple sha1s gives correct format" ' + test_expect_success "--batch-check, -Z with multiple oids gives correct format" ' echo_without_newline_nul "$batch_check_input" >in && git cat-file --batch-check -Z <in >actual && test_cmp batch_check_output actual -' - -test_expect_success FUNNYNAMES 'setup with newline in input' ' - touch -- "newline${LF}embedded" && - git add -- "newline${LF}embedded" && - git commit -m "file with newline embedded" && - test_tick && - - printf "HEAD:newline${LF}embedded" >in -' - -test_expect_success FUNNYNAMES '--batch-check, -z with newline in input' ' - git cat-file --batch-check -z <in >actual && - echo "$(git rev-parse "HEAD:newline${LF}embedded") blob 0" >expect && - test_cmp expect actual -' - -test_expect_success FUNNYNAMES '--batch-check, -Z with newline in input' ' - git cat-file --batch-check -Z <in >actual && - printf "%s\0" "$(git rev-parse "HEAD:newline${LF}embedded") blob 0" >expect && - test_cmp expect actual -' + ' -batch_command_multiple_info="info $hello_sha1 -info $tree_sha1 -info $commit_sha1 -info $tag_sha1 +batch_command_multiple_info="info $boid +info $loid +info $coid +info $toid info deadbeef" -test_expect_success '--batch-command with multiple info calls gives correct format' ' + test_expect_success '--batch-command with multiple info calls gives correct format' ' cat >expect <<-EOF && - $hello_sha1 blob $hello_size - $tree_sha1 tree $tree_size - $commit_sha1 commit $commit_size - $tag_sha1 tag $tag_size + $boid blob $hello_size + $loid tree $lsize + $coid commit $csize + $toid tag $tsize deadbeef missing EOF @@ -510,22 +540,22 @@ test_expect_success '--batch-command with multiple info calls gives correct form git cat-file --batch-command --buffer -Z <in >actual && test_cmp expect_nul actual -' + ' -batch_command_multiple_contents="contents $hello_sha1 -contents $commit_sha1 -contents $tag_sha1 +batch_command_multiple_contents="contents $boid +contents $coid +contents $toid contents deadbeef flush" -test_expect_success '--batch-command with multiple command calls gives correct format' ' + test_expect_success '--batch-command with multiple command calls gives correct format' ' printf "%s\0" \ - "$hello_sha1 blob $hello_size" \ + "$boid blob $hello_size" \ "$hello_content" \ - "$commit_sha1 commit $commit_size" \ - "$commit_content" \ - "$tag_sha1 tag $tag_size" \ - "$tag_content" \ + "$coid commit $csize" \ + "$ccontent" \ + "$toid tag $tsize" \ + "$tcontent" \ "deadbeef missing" >expect_nul && tr "\0" "\n" <expect_nul >expect && @@ -543,6 +573,33 @@ test_expect_success '--batch-command with multiple command calls gives correct f git cat-file --batch-command --buffer -Z <in >actual && test_cmp expect_nul actual + ' + +} + +batch_tests $hello_oid $tree_oid $tree_size $commit_oid $commit_size "$commit_content" $tag_oid $tag_size "$tag_content" +batch_tests $hello_compat_oid $tree_compat_oid $tree_compat_size $commit_compat_oid $commit_compat_size "$commit_compat_content" $tag_compat_oid $tag_compat_size "$tag_compat_content" + + +test_expect_success FUNNYNAMES 'setup with newline in input' ' + touch -- "newline${LF}embedded" && + git add -- "newline${LF}embedded" && + git commit -m "file with newline embedded" && + test_tick && + + printf "HEAD:newline${LF}embedded" >in +' + +test_expect_success FUNNYNAMES '--batch-check, -z with newline in input' ' + git cat-file --batch-check -z <in >actual && + echo "$(git rev-parse "HEAD:newline${LF}embedded") blob 0" >expect && + test_cmp expect actual +' + +test_expect_success FUNNYNAMES '--batch-check, -Z with newline in input' ' + git cat-file --batch-check -Z <in >actual && + printf "%s\0" "$(git rev-parse "HEAD:newline${LF}embedded") blob 0" >expect && + test_cmp expect actual ' test_expect_success 'setup blobs which are likely to delta' ' @@ -569,7 +626,7 @@ test_expect_success 'confirm that neither loose blob is a delta' ' # we will check only that one of the two objects is a delta # against the other, but not the order. We can do so by just # asking for the base of both, and checking whether either -# sha1 appears in the output. +# oid appears in the output. test_expect_success '%(deltabase) reports packed delta bases' ' git repack -ad && git cat-file --batch-check="%(deltabase)" <blobs >actual && @@ -583,12 +640,12 @@ test_expect_success 'setup bogus data' ' bogus_short_type="bogus" && bogus_short_content="bogus" && bogus_short_size=$(strlen "$bogus_short_content") && - bogus_short_sha1=$(echo_without_newline "$bogus_short_content" | git hash-object -t $bogus_short_type --literally -w --stdin) && + bogus_short_oid=$(echo_without_newline "$bogus_short_content" | git hash-object -t $bogus_short_type --literally -w --stdin) && bogus_long_type="abcdefghijklmnopqrstuvwxyz1234679" && bogus_long_content="bogus" && bogus_long_size=$(strlen "$bogus_long_content") && - bogus_long_sha1=$(echo_without_newline "$bogus_long_content" | git hash-object -t $bogus_long_type --literally -w --stdin) + bogus_long_oid=$(echo_without_newline "$bogus_long_content" | git hash-object -t $bogus_long_type --literally -w --stdin) ' for arg1 in '' --allow-unknown-type @@ -608,9 +665,9 @@ do if test "$arg1" = "--allow-unknown-type" then - git cat-file $arg1 $arg2 $bogus_short_sha1 + git cat-file $arg1 $arg2 $bogus_short_oid else - test_must_fail git cat-file $arg1 $arg2 $bogus_short_sha1 >out 2>actual && + test_must_fail git cat-file $arg1 $arg2 $bogus_short_oid >out 2>actual && test_must_be_empty out && test_cmp expect actual fi @@ -620,21 +677,21 @@ do if test "$arg2" = "-p" then cat >expect <<-EOF - error: header for $bogus_long_sha1 too long, exceeds 32 bytes - fatal: Not a valid object name $bogus_long_sha1 + error: header for $bogus_long_oid too long, exceeds 32 bytes + fatal: Not a valid object name $bogus_long_oid EOF else cat >expect <<-EOF - error: header for $bogus_long_sha1 too long, exceeds 32 bytes + error: header for $bogus_long_oid too long, exceeds 32 bytes fatal: git cat-file: could not get object info EOF fi && if test "$arg1" = "--allow-unknown-type" then - git cat-file $arg1 $arg2 $bogus_short_sha1 + git cat-file $arg1 $arg2 $bogus_short_oid else - test_must_fail git cat-file $arg1 $arg2 $bogus_long_sha1 >out 2>actual && + test_must_fail git cat-file $arg1 $arg2 $bogus_long_oid >out 2>actual && test_must_be_empty out && test_cmp expect actual fi @@ -668,28 +725,28 @@ do done test_expect_success '-e is OK with a broken object without --allow-unknown-type' ' - git cat-file -e $bogus_short_sha1 + git cat-file -e $bogus_short_oid ' test_expect_success '-e can not be combined with --allow-unknown-type' ' - test_expect_code 128 git cat-file -e --allow-unknown-type $bogus_short_sha1 + test_expect_code 128 git cat-file -e --allow-unknown-type $bogus_short_oid ' test_expect_success '-p cannot print a broken object even with --allow-unknown-type' ' - test_must_fail git cat-file -p $bogus_short_sha1 && - test_expect_code 128 git cat-file -p --allow-unknown-type $bogus_short_sha1 + test_must_fail git cat-file -p $bogus_short_oid && + test_expect_code 128 git cat-file -p --allow-unknown-type $bogus_short_oid ' test_expect_success '<type> <hash> does not work with objects of broken types' ' cat >err.expect <<-\EOF && fatal: invalid object type "bogus" EOF - test_must_fail git cat-file $bogus_short_type $bogus_short_sha1 2>err.actual && + test_must_fail git cat-file $bogus_short_type $bogus_short_oid 2>err.actual && test_cmp err.expect err.actual ' test_expect_success 'broken types combined with --batch and --batch-check' ' - echo $bogus_short_sha1 >bogus-oid && + echo $bogus_short_oid >bogus-oid && cat >err.expect <<-\EOF && fatal: invalid object type @@ -711,52 +768,52 @@ test_expect_success 'the --allow-unknown-type option does not consider replaceme cat >expect <<-EOF && $bogus_short_type EOF - git cat-file -t --allow-unknown-type $bogus_short_sha1 >actual && + git cat-file -t --allow-unknown-type $bogus_short_oid >actual && test_cmp expect actual && # Create it manually, as "git replace" will die on bogus # types. head=$(git rev-parse --verify HEAD) && - test_when_finished "test-tool ref-store main delete-refs 0 msg refs/replace/$bogus_short_sha1" && - test-tool ref-store main update-ref msg "refs/replace/$bogus_short_sha1" $head $ZERO_OID REF_SKIP_OID_VERIFICATION && + test_when_finished "test-tool ref-store main delete-refs 0 msg refs/replace/$bogus_short_oid" && + test-tool ref-store main update-ref msg "refs/replace/$bogus_short_oid" $head $ZERO_OID REF_SKIP_OID_VERIFICATION && cat >expect <<-EOF && commit EOF - git cat-file -t --allow-unknown-type $bogus_short_sha1 >actual && + git cat-file -t --allow-unknown-type $bogus_short_oid >actual && test_cmp expect actual ' test_expect_success "Type of broken object is correct" ' echo $bogus_short_type >expect && - git cat-file -t --allow-unknown-type $bogus_short_sha1 >actual && + git cat-file -t --allow-unknown-type $bogus_short_oid >actual && test_cmp expect actual ' test_expect_success "Size of broken object is correct" ' echo $bogus_short_size >expect && - git cat-file -s --allow-unknown-type $bogus_short_sha1 >actual && + git cat-file -s --allow-unknown-type $bogus_short_oid >actual && test_cmp expect actual ' test_expect_success 'clean up broken object' ' - rm .git/objects/$(test_oid_to_path $bogus_short_sha1) + rm .git/objects/$(test_oid_to_path $bogus_short_oid) ' test_expect_success "Type of broken object is correct when type is large" ' echo $bogus_long_type >expect && - git cat-file -t --allow-unknown-type $bogus_long_sha1 >actual && + git cat-file -t --allow-unknown-type $bogus_long_oid >actual && test_cmp expect actual ' test_expect_success "Size of large broken object is correct when type is large" ' echo $bogus_long_size >expect && - git cat-file -s --allow-unknown-type $bogus_long_sha1 >actual && + git cat-file -s --allow-unknown-type $bogus_long_oid >actual && test_cmp expect actual ' test_expect_success 'clean up broken object' ' - rm .git/objects/$(test_oid_to_path $bogus_long_sha1) + rm .git/objects/$(test_oid_to_path $bogus_long_oid) ' test_expect_success 'cat-file -t and -s on corrupt loose object' ' @@ -853,7 +910,7 @@ test_expect_success 'prep for symlink tests' ' test_ln_s_add loop2 loop1 && git add morx dir/subdir/ind2 dir/ind1 && git commit -am "test" && - echo $hello_sha1 blob $hello_size >found + echo $hello_oid blob $hello_size >found ' test_expect_success 'git cat-file --batch-check --follow-symlinks works for non-links' ' @@ -941,7 +998,7 @@ test_expect_success 'git cat-file --batch-check --follow-symlinks works for dir/ echo HEAD:dirlink/morx >>expect && echo HEAD:dirlink/morx | git cat-file --batch-check --follow-symlinks >actual && test_cmp expect actual && - echo $hello_sha1 blob $hello_size >expect && + echo $hello_oid blob $hello_size >expect && echo HEAD:dirlink/ind1 | git cat-file --batch-check --follow-symlinks >actual && test_cmp expect actual ' diff --git a/t/t1007-hash-object.sh b/t/t1007-hash-object.sh index ac3d173767..64aea38486 100755 --- a/t/t1007-hash-object.sh +++ b/t/t1007-hash-object.sh @@ -124,8 +124,8 @@ test_expect_success 'check that appropriate filter is invoke when --path is used path0_sha=$(git hash-object --path=file0 file1) && test "$file0_sha" = "$path0_sha" && test "$file1_sha" = "$path1_sha" && - path1_sha=$(cat file0 | git hash-object --path=file1 --stdin) && - path0_sha=$(cat file1 | git hash-object --path=file0 --stdin) && + path1_sha=$(git hash-object --path=file1 --stdin <file0) && + path0_sha=$(git hash-object --path=file0 --stdin <file1) && test "$file0_sha" = "$path0_sha" && test "$file1_sha" = "$path1_sha" ' @@ -154,7 +154,7 @@ test_expect_success '--path works in a subdirectory' ' test_expect_success 'check that --no-filters option works' ' nofilters_file1=$(git hash-object --no-filters file1) && test "$file0_sha" = "$nofilters_file1" && - nofilters_file1=$(cat file1 | git hash-object --stdin) && + nofilters_file1=$(git hash-object --stdin <file1) && test "$file0_sha" = "$nofilters_file1" ' diff --git a/t/t1016-compatObjectFormat.sh b/t/t1016-compatObjectFormat.sh new file mode 100755 index 0000000000..8132cd37b8 --- /dev/null +++ b/t/t1016-compatObjectFormat.sh @@ -0,0 +1,281 @@ +#!/bin/sh +# +# Copyright (c) 2023 Eric Biederman +# + +test_description='Test how well compatObjectFormat works' + +TEST_PASSES_SANITIZE_LEAK=true +. ./test-lib.sh +. "$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/t1091-sparse-checkout-builtin.sh b/t/t1091-sparse-checkout-builtin.sh index e49b8024ac..ab3a105fff 100755 --- a/t/t1091-sparse-checkout-builtin.sh +++ b/t/t1091-sparse-checkout-builtin.sh @@ -968,7 +968,7 @@ test_expect_success 'check-rules non-cone mode' ' git -C bare sparse-checkout check-rules --no-cone --rules-file ../rules\ >check-rules-file <all-files && - cat rules | git -C repo sparse-checkout set --no-cone --stdin && + git -C repo sparse-checkout set --no-cone --stdin <rules && git -C repo ls-files -t >out && sed -n "/^S /!s/^. //p" out >ls-files && diff --git a/t/t1301-shared-repo.sh b/t/t1301-shared-repo.sh index 8e2c01e760..29cf8a9661 100755 --- a/t/t1301-shared-repo.sh +++ b/t/t1301-shared-repo.sh @@ -52,7 +52,7 @@ test_expect_success 'shared=all' ' test 2 = $(git config core.sharedrepository) ' -test_expect_failure 'template can set core.bare' ' +test_expect_success 'template cannot set core.bare' ' test_when_finished "rm -rf subdir" && test_when_finished "rm -rf templates" && test_config core.bare true && @@ -60,18 +60,7 @@ test_expect_failure 'template can set core.bare' ' mkdir -p templates/ && cp .git/config templates/config && git init --template=templates subdir && - test_path_exists subdir/HEAD -' - -test_expect_success 'template can set core.bare but overridden by command line' ' - test_when_finished "rm -rf subdir" && - test_when_finished "rm -rf templates" && - test_config core.bare true && - umask 0022 && - mkdir -p templates/ && - cp .git/config templates/config && - git init --no-bare --template=templates subdir && - test_path_exists subdir/.git/HEAD + test_path_is_missing subdir/HEAD ' test_expect_success POSIXPERM 'update-server-info honors core.sharedRepository' ' @@ -137,22 +126,6 @@ test_expect_success POSIXPERM 'info/refs respects umask in unshared repo' ' test_cmp expect actual ' -test_expect_success REFFILES,POSIXPERM 'git reflog expire honors core.sharedRepository' ' - umask 077 && - git config core.sharedRepository group && - git reflog expire --all && - actual="$(ls -l .git/logs/refs/heads/main)" && - case "$actual" in - -rw-rw-*) - : happy - ;; - *) - echo Ooops, .git/logs/refs/heads/main is not 066x [$actual] - false - ;; - esac -' - test_expect_success POSIXPERM 'forced modes' ' test_when_finished "rm -rf new" && mkdir -p templates/hooks && diff --git a/t/t1400-update-ref.sh b/t/t1400-update-ref.sh index 78a09abc35..6ebc3ef945 100755 --- a/t/t1400-update-ref.sh +++ b/t/t1400-update-ref.sh @@ -288,33 +288,6 @@ test_expect_success "set $m (logged by touch)" ' test $A = $(git show-ref -s --verify $m) ' -test_expect_success REFFILES 'empty directory removal' ' - git branch d1/d2/r1 HEAD && - git branch d1/r2 HEAD && - test_path_is_file .git/refs/heads/d1/d2/r1 && - test_path_is_file .git/logs/refs/heads/d1/d2/r1 && - git branch -d d1/d2/r1 && - test_must_fail git show-ref --verify -q refs/heads/d1/d2 && - test_must_fail git show-ref --verify -q logs/refs/heads/d1/d2 && - test_path_is_file .git/refs/heads/d1/r2 && - test_path_is_file .git/logs/refs/heads/d1/r2 -' - -test_expect_success REFFILES 'symref empty directory removal' ' - git branch e1/e2/r1 HEAD && - git branch e1/r2 HEAD && - git checkout e1/e2/r1 && - test_when_finished "git checkout main" && - test_path_is_file .git/refs/heads/e1/e2/r1 && - test_path_is_file .git/logs/refs/heads/e1/e2/r1 && - git update-ref -d HEAD && - test_must_fail git show-ref --verify -q refs/heads/e1/e2 && - test_must_fail git show-ref --verify -q logs/refs/heads/e1/e2 && - test_path_is_file .git/refs/heads/e1/r2 && - test_path_is_file .git/logs/refs/heads/e1/r2 && - test_path_is_file .git/logs/HEAD -' - cat >expect <<EOF $Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150200 +0000 Initial Creation $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150260 +0000 Switch @@ -453,15 +426,15 @@ test_expect_success 'Query "main@{2005-05-28}" (past end of history)' ' rm -f expect git update-ref -d $m -test_expect_success REFFILES 'query reflog with gap' ' +test_expect_success 'query reflog with gap' ' test_when_finished "git update-ref -d $m" && - git update-ref $m $F && - cat >.git/logs/$m <<-EOF && - $Z $A $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150320 -0500 - $A $B $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150380 -0500 - $D $F $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> 1117150680 -0500 - EOF + GIT_COMMITTER_DATE="1117150320 -0500" git update-ref $m $A && + GIT_COMMITTER_DATE="1117150380 -0500" git update-ref $m $B && + GIT_COMMITTER_DATE="1117150480 -0500" git update-ref $m $C && + GIT_COMMITTER_DATE="1117150580 -0500" git update-ref $m $D && + GIT_COMMITTER_DATE="1117150680 -0500" git update-ref $m $F && + git reflog delete $m@{2} && git rev-parse --verify "main@{2005-05-26 23:33:01}" >actual 2>stderr && echo "$B" >expect && @@ -1668,13 +1641,4 @@ test_expect_success PIPE 'transaction flushes status updates' ' test_cmp expected actual ' -test_expect_success REFFILES 'directory not created deleting packed ref' ' - git branch d1/d2/r1 HEAD && - git pack-refs --all && - test_path_is_missing .git/refs/heads/d1/d2 && - git update-ref -d refs/heads/d1/d2/r1 && - test_path_is_missing .git/refs/heads/d1/d2 && - test_path_is_missing .git/refs/heads/d1 -' - test_done diff --git a/t/t1404-update-ref-errors.sh b/t/t1404-update-ref-errors.sh index 00b7013705..98e9158bd2 100755 --- a/t/t1404-update-ref-errors.sh +++ b/t/t1404-update-ref-errors.sh @@ -92,9 +92,6 @@ df_test() { else delname="$delref" fi && - cat >expected-err <<-EOF && - fatal: cannot lock ref $SQ$addname$SQ: $SQ$delref$SQ exists; cannot create $SQ$addref$SQ - EOF $pack && if $add_del then @@ -103,7 +100,7 @@ df_test() { printf "%s\n" "delete $delname" "create $addname $D" fi >commands && test_must_fail git update-ref --stdin <commands 2>output.err && - test_cmp expected-err output.err && + grep "fatal:\( cannot lock ref $SQ$addname$SQ:\)\? $SQ$delref$SQ exists; cannot create $SQ$addref$SQ" output.err && printf "%s\n" "$C $delref" >expected-refs && git for-each-ref --format="%(objectname) %(refname)" $prefix/r >actual-refs && test_cmp expected-refs actual-refs @@ -191,69 +188,69 @@ test_expect_success 'one new ref is a simple prefix of another' ' ' -test_expect_success REFFILES 'D/F conflict prevents add long + delete short' ' +test_expect_success 'D/F conflict prevents add long + delete short' ' df_test refs/df-al-ds --add-del foo/bar foo ' -test_expect_success REFFILES 'D/F conflict prevents add short + delete long' ' +test_expect_success 'D/F conflict prevents add short + delete long' ' df_test refs/df-as-dl --add-del foo foo/bar ' -test_expect_success REFFILES 'D/F conflict prevents delete long + add short' ' +test_expect_success 'D/F conflict prevents delete long + add short' ' df_test refs/df-dl-as --del-add foo/bar foo ' -test_expect_success REFFILES 'D/F conflict prevents delete short + add long' ' +test_expect_success 'D/F conflict prevents delete short + add long' ' df_test refs/df-ds-al --del-add foo foo/bar ' -test_expect_success REFFILES 'D/F conflict prevents add long + delete short packed' ' +test_expect_success 'D/F conflict prevents add long + delete short packed' ' df_test refs/df-al-dsp --pack --add-del foo/bar foo ' -test_expect_success REFFILES 'D/F conflict prevents add short + delete long packed' ' +test_expect_success 'D/F conflict prevents add short + delete long packed' ' df_test refs/df-as-dlp --pack --add-del foo foo/bar ' -test_expect_success REFFILES 'D/F conflict prevents delete long packed + add short' ' +test_expect_success 'D/F conflict prevents delete long packed + add short' ' df_test refs/df-dlp-as --pack --del-add foo/bar foo ' -test_expect_success REFFILES 'D/F conflict prevents delete short packed + add long' ' +test_expect_success 'D/F conflict prevents delete short packed + add long' ' df_test refs/df-dsp-al --pack --del-add foo foo/bar ' # Try some combinations involving symbolic refs... -test_expect_success REFFILES 'D/F conflict prevents indirect add long + delete short' ' +test_expect_success 'D/F conflict prevents indirect add long + delete short' ' df_test refs/df-ial-ds --sym-add --add-del foo/bar foo ' -test_expect_success REFFILES 'D/F conflict prevents indirect add long + indirect delete short' ' +test_expect_success 'D/F conflict prevents indirect add long + indirect delete short' ' df_test refs/df-ial-ids --sym-add --sym-del --add-del foo/bar foo ' -test_expect_success REFFILES 'D/F conflict prevents indirect add short + indirect delete long' ' +test_expect_success 'D/F conflict prevents indirect add short + indirect delete long' ' df_test refs/df-ias-idl --sym-add --sym-del --add-del foo foo/bar ' -test_expect_success REFFILES 'D/F conflict prevents indirect delete long + indirect add short' ' +test_expect_success 'D/F conflict prevents indirect delete long + indirect add short' ' df_test refs/df-idl-ias --sym-add --sym-del --del-add foo/bar foo ' -test_expect_success REFFILES 'D/F conflict prevents indirect add long + delete short packed' ' +test_expect_success 'D/F conflict prevents indirect add long + delete short packed' ' df_test refs/df-ial-dsp --sym-add --pack --add-del foo/bar foo ' -test_expect_success REFFILES 'D/F conflict prevents indirect add long + indirect delete short packed' ' +test_expect_success 'D/F conflict prevents indirect add long + indirect delete short packed' ' df_test refs/df-ial-idsp --sym-add --sym-del --pack --add-del foo/bar foo ' -test_expect_success REFFILES 'D/F conflict prevents add long + indirect delete short packed' ' +test_expect_success 'D/F conflict prevents add long + indirect delete short packed' ' df_test refs/df-al-idsp --sym-del --pack --add-del foo/bar foo ' -test_expect_success REFFILES 'D/F conflict prevents indirect delete long packed + indirect add short' ' +test_expect_success 'D/F conflict prevents indirect delete long packed + indirect add short' ' df_test refs/df-idlp-ias --sym-add --sym-del --pack --del-add foo/bar foo ' diff --git a/t/t1405-main-ref-store.sh b/t/t1405-main-ref-store.sh index 976bd71efb..a6bcd62ab6 100755 --- a/t/t1405-main-ref-store.sh +++ b/t/t1405-main-ref-store.sh @@ -33,12 +33,6 @@ test_expect_success 'delete_refs(FOO, refs/tags/new-tag)' ' test_must_fail git rev-parse refs/tags/new-tag -- ' -# In reftable, we keep the reflogs around for deleted refs. -test_expect_success !REFFILES 'delete-reflog(FOO, refs/tags/new-tag)' ' - $RUN delete-reflog FOO && - $RUN delete-reflog refs/tags/new-tag -' - test_expect_success 'rename_refs(main, new-main)' ' git rev-parse main >expected && $RUN rename-ref refs/heads/main refs/heads/new-main && @@ -74,11 +68,11 @@ test_expect_success 'verify_ref(new-main)' ' ' test_expect_success 'for_each_reflog()' ' - $RUN for-each-reflog | sort -k2 | cut -d" " -f 2- >actual && + $RUN for-each-reflog >actual && cat >expected <<-\EOF && - HEAD 0x1 - refs/heads/main 0x0 - refs/heads/new-main 0x0 + HEAD + refs/heads/main + refs/heads/new-main EOF test_cmp expected actual ' diff --git a/t/t1406-submodule-ref-store.sh b/t/t1406-submodule-ref-store.sh index e6a7f7334b..c01f0f14a1 100755 --- a/t/t1406-submodule-ref-store.sh +++ b/t/t1406-submodule-ref-store.sh @@ -63,11 +63,11 @@ test_expect_success 'verify_ref(new-main)' ' ' test_expect_success 'for_each_reflog()' ' - $RUN for-each-reflog | sort | cut -d" " -f 2- >actual && + $RUN for-each-reflog >actual && cat >expected <<-\EOF && - HEAD 0x1 - refs/heads/main 0x0 - refs/heads/new-main 0x0 + HEAD + refs/heads/main + refs/heads/new-main EOF test_cmp expected actual ' diff --git a/t/t1410-reflog.sh b/t/t1410-reflog.sh index d2f5f42e67..5bf883f1e3 100755 --- a/t/t1410-reflog.sh +++ b/t/t1410-reflog.sh @@ -436,4 +436,112 @@ test_expect_success 'empty reflog' ' test_must_be_empty err ' +test_expect_success 'list reflogs' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + git reflog list >actual && + test_must_be_empty actual && + + test_commit A && + cat >expect <<-EOF && + HEAD + refs/heads/main + EOF + git reflog list >actual && + test_cmp expect actual && + + git branch b && + cat >expect <<-EOF && + HEAD + refs/heads/b + refs/heads/main + EOF + git reflog list >actual && + test_cmp expect actual + ) +' + +test_expect_success 'list reflogs with worktree' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + + test_commit A && + git worktree add wt && + git -c core.logAllRefUpdates=always \ + update-ref refs/worktree/main HEAD && + git -c core.logAllRefUpdates=always \ + update-ref refs/worktree/per-worktree HEAD && + git -c core.logAllRefUpdates=always -C wt \ + update-ref refs/worktree/per-worktree HEAD && + git -c core.logAllRefUpdates=always -C wt \ + update-ref refs/worktree/worktree HEAD && + + cat >expect <<-EOF && + HEAD + refs/heads/main + refs/heads/wt + refs/worktree/main + refs/worktree/per-worktree + EOF + git reflog list >actual && + test_cmp expect actual && + + cat >expect <<-EOF && + HEAD + refs/heads/main + refs/heads/wt + refs/worktree/per-worktree + refs/worktree/worktree + EOF + git -C wt reflog list >actual && + test_cmp expect actual + ) +' + +test_expect_success 'reflog list returns error with additional args' ' + cat >expect <<-EOF && + error: list does not accept arguments: ${SQ}bogus${SQ} + EOF + test_must_fail git reflog list bogus 2>err && + test_cmp expect err +' + +test_expect_success 'reflog for symref with unborn target can be listed' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + test_commit A && + git symbolic-ref HEAD refs/heads/unborn && + cat >expect <<-EOF && + HEAD + refs/heads/main + EOF + git reflog list >actual && + test_cmp expect actual + ) +' + +test_expect_success 'reflog with invalid object ID can be listed' ' + test_when_finished "rm -rf repo" && + git init repo && + ( + cd repo && + test_commit A && + test-tool ref-store main update-ref msg refs/heads/missing \ + $(test_oid deadbeef) "$ZERO_OID" REF_SKIP_OID_VERIFICATION && + cat >expect <<-EOF && + HEAD + refs/heads/main + refs/heads/missing + EOF + git reflog list >actual && + test_cmp expect actual + ) +' + test_done diff --git a/t/t1502-rev-parse-parseopt.sh b/t/t1502-rev-parse-parseopt.sh index f0737593c3..b754b9fd74 100755 --- a/t/t1502-rev-parse-parseopt.sh +++ b/t/t1502-rev-parse-parseopt.sh @@ -322,4 +322,15 @@ check_invalid_long_option optionspec-neg --no-positive-only check_invalid_long_option optionspec-neg --negative check_invalid_long_option optionspec-neg --no-no-negative +test_expect_success 'ambiguous: --no matches both --noble and --no-noble' ' + cat >spec <<-\EOF && + some-command [options] + -- + noble The feudal switch. + EOF + test_expect_code 129 env GIT_TEST_DISALLOW_ABBREVIATED_OPTIONS=false \ + git rev-parse --parseopt -- <spec 2>err --no && + grep "error: ambiguous option: no (could be --noble or --no-noble)" err +' + test_done diff --git a/t/t1509/prepare-chroot.sh b/t/t1509/prepare-chroot.sh index 6d47e2c725..dc997e0a64 100755 --- a/t/t1509/prepare-chroot.sh +++ b/t/t1509/prepare-chroot.sh @@ -43,7 +43,7 @@ rsync --exclude-from t/t1509/excludes -Ha . "$R$(pwd)" # env might slip through, see test-lib.sh, unset.*PERL_PATH sed 's|^PERL_PATH=.*|PERL_PATH=/bin/true|' GIT-BUILD-OPTIONS > "$R$(pwd)/GIT-BUILD-OPTIONS" for cmd in git $BB;do - ldd $cmd | grep '/' | sed 's,.*\s\(/[^ ]*\).*,\1,' | while read i; do + ldd $cmd | sed -n '/\//s,.*\s\(/[^ ]*\).*,\1,p' | while read i; do mkdir -p "$R$(dirname $i)" cp "$i" "$R/$i" done diff --git a/t/t2011-checkout-invalid-head.sh b/t/t2011-checkout-invalid-head.sh index 3c8135831b..04f53b1ea1 100755 --- a/t/t2011-checkout-invalid-head.sh +++ b/t/t2011-checkout-invalid-head.sh @@ -29,36 +29,33 @@ test_expect_success REFFILES 'checkout notices failure to lock HEAD' ' test_must_fail git checkout -b other ' -test_expect_success REFFILES 'create ref directory/file conflict scenario' ' +test_expect_success 'create ref directory/file conflict scenario' ' git update-ref refs/heads/outer/inner main && - - # do not rely on symbolic-ref to get a known state, - # as it may use the same code we are testing reset_to_df () { - echo "ref: refs/heads/outer" >.git/HEAD + git symbolic-ref HEAD refs/heads/outer } ' -test_expect_success REFFILES 'checkout away from d/f HEAD (unpacked, to branch)' ' +test_expect_success 'checkout away from d/f HEAD (unpacked, to branch)' ' reset_to_df && git checkout main ' -test_expect_success REFFILES 'checkout away from d/f HEAD (unpacked, to detached)' ' +test_expect_success 'checkout away from d/f HEAD (unpacked, to detached)' ' reset_to_df && git checkout --detach main ' -test_expect_success REFFILES 'pack refs' ' +test_expect_success 'pack refs' ' git pack-refs --all --prune ' -test_expect_success REFFILES 'checkout away from d/f HEAD (packed, to branch)' ' +test_expect_success 'checkout away from d/f HEAD (packed, to branch)' ' reset_to_df && git checkout main ' -test_expect_success REFFILES 'checkout away from d/f HEAD (packed, to detached)' ' +test_expect_success 'checkout away from d/f HEAD (packed, to detached)' ' reset_to_df && git checkout --detach main ' diff --git a/t/t2016-checkout-patch.sh b/t/t2016-checkout-patch.sh index 747eb5563e..c4f9bf09aa 100755 --- a/t/t2016-checkout-patch.sh +++ b/t/t2016-checkout-patch.sh @@ -38,26 +38,32 @@ test_expect_success 'git checkout -p with staged changes' ' verify_state dir/foo index index ' -test_expect_success 'git checkout -p HEAD with NO staged changes: abort' ' - set_and_save_state dir/foo work head && - test_write_lines n y n | git checkout -p HEAD && - verify_saved_state bar && - verify_saved_state dir/foo -' - -test_expect_success 'git checkout -p HEAD with NO staged changes: apply' ' - test_write_lines n y y | git checkout -p HEAD && - verify_saved_state bar && - verify_state dir/foo head head -' - -test_expect_success 'git checkout -p HEAD with change already staged' ' - set_state dir/foo index index && - # the third n is to get out in case it mistakenly does not apply - test_write_lines n y n | git checkout -p HEAD && - verify_saved_state bar && - verify_state dir/foo head head -' +for opt in "HEAD" "@" +do + test_expect_success "git checkout -p $opt with NO staged changes: abort" ' + set_and_save_state dir/foo work head && + test_write_lines n y n | git checkout -p $opt >output && + verify_saved_state bar && + verify_saved_state dir/foo && + test_grep "Discard" output + ' + + test_expect_success "git checkout -p $opt with NO staged changes: apply" ' + test_write_lines n y y | git checkout -p $opt >output && + verify_saved_state bar && + verify_state dir/foo head head && + test_grep "Discard" output + ' + + test_expect_success "git checkout -p $opt with change already staged" ' + set_state dir/foo index index && + # the third n is to get out in case it mistakenly does not apply + test_write_lines n y n | git checkout -p $opt >output && + verify_saved_state bar && + verify_state dir/foo head head && + test_grep "Discard" output + ' +done test_expect_success 'git checkout -p HEAD^...' ' # the third n is to get out in case it mistakenly does not apply diff --git a/t/t2020-checkout-detach.sh b/t/t2020-checkout-detach.sh index 8202ef8c74..bce284c297 100755 --- a/t/t2020-checkout-detach.sh +++ b/t/t2020-checkout-detach.sh @@ -45,6 +45,18 @@ test_expect_success 'checkout branch does not detach' ' check_not_detached ' +for opt in "HEAD" "@" +do + test_expect_success "checkout $opt no-op/don't detach" ' + reset && + cat .git/HEAD >expect && + git checkout $opt && + cat .git/HEAD >actual && + check_not_detached && + test_cmp expect actual + ' +done + test_expect_success 'checkout tag detaches' ' reset && git checkout tag && diff --git a/t/t2024-checkout-dwim.sh b/t/t2024-checkout-dwim.sh index a97416ce65..a3b1449ef1 100755 --- a/t/t2024-checkout-dwim.sh +++ b/t/t2024-checkout-dwim.sh @@ -113,7 +113,7 @@ test_expect_success 'checkout of branch from multiple remotes fails with advice' test_grep ! "^hint: " stderr ' -test_expect_success PERL 'checkout -p with multiple remotes does not print advice' ' +test_expect_success 'checkout -p with multiple remotes does not print advice' ' git checkout -B main && test_might_fail git branch -D foo && diff --git a/t/t2070-restore.sh b/t/t2070-restore.sh index 16d6348b69..ac404945d4 100755 --- a/t/t2070-restore.sh +++ b/t/t2070-restore.sh @@ -5,6 +5,7 @@ test_description='restore basic functionality' GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME +TEST_PASSES_SANITIZE_LEAK=true . ./test-lib.sh test_expect_success 'setup' ' diff --git a/t/t2071-restore-patch.sh b/t/t2071-restore-patch.sh index b5c5c0ff7e..42d5522119 100755 --- a/t/t2071-restore-patch.sh +++ b/t/t2071-restore-patch.sh @@ -2,9 +2,10 @@ test_description='git restore --patch' +TEST_PASSES_SANITIZE_LEAK=true . ./lib-patch-mode.sh -test_expect_success PERL 'setup' ' +test_expect_success 'setup' ' mkdir dir && echo parent >dir/foo && echo dummy >bar && @@ -16,43 +17,47 @@ test_expect_success PERL 'setup' ' save_head ' -test_expect_success PERL 'restore -p without pathspec is fine' ' +test_expect_success 'restore -p without pathspec is fine' ' echo q >cmd && git restore -p <cmd ' # note: bar sorts before dir/foo, so the first 'n' is always to skip 'bar' -test_expect_success PERL 'saying "n" does nothing' ' +test_expect_success 'saying "n" does nothing' ' set_and_save_state dir/foo work head && test_write_lines n n | git restore -p && verify_saved_state bar && verify_saved_state dir/foo ' -test_expect_success PERL 'git restore -p' ' +test_expect_success 'git restore -p' ' set_and_save_state dir/foo work head && test_write_lines n y | git restore -p && verify_saved_state bar && verify_state dir/foo head head ' -test_expect_success PERL 'git restore -p with staged changes' ' +test_expect_success 'git restore -p with staged changes' ' set_state dir/foo work index && test_write_lines n y | git restore -p && verify_saved_state bar && verify_state dir/foo index index ' -test_expect_success PERL 'git restore -p --source=HEAD' ' - set_state dir/foo work index && - # the third n is to get out in case it mistakenly does not apply - test_write_lines n y n | git restore -p --source=HEAD && - verify_saved_state bar && - verify_state dir/foo head index -' - -test_expect_success PERL 'git restore -p --source=HEAD^' ' +for opt in "HEAD" "@" +do + test_expect_success "git restore -p --source=$opt" ' + set_state dir/foo work index && + # the third n is to get out in case it mistakenly does not apply + test_write_lines n y n | git restore -p --source=$opt >output && + verify_saved_state bar && + verify_state dir/foo head index && + test_grep "Discard" output + ' +done + +test_expect_success 'git restore -p --source=HEAD^' ' set_state dir/foo work index && # the third n is to get out in case it mistakenly does not apply test_write_lines n y n | git restore -p --source=HEAD^ && @@ -60,7 +65,7 @@ test_expect_success PERL 'git restore -p --source=HEAD^' ' verify_state dir/foo parent index ' -test_expect_success PERL 'git restore -p --source=HEAD^...' ' +test_expect_success 'git restore -p --source=HEAD^...' ' set_state dir/foo work index && # the third n is to get out in case it mistakenly does not apply test_write_lines n y n | git restore -p --source=HEAD^... && @@ -68,7 +73,7 @@ test_expect_success PERL 'git restore -p --source=HEAD^...' ' verify_state dir/foo parent index ' -test_expect_success PERL 'git restore -p handles deletion' ' +test_expect_success 'git restore -p handles deletion' ' set_state dir/foo work index && rm dir/foo && test_write_lines n y | git restore -p && @@ -81,21 +86,21 @@ test_expect_success PERL 'git restore -p handles deletion' ' # dir/foo. There's always an extra 'n' to reject edits to dir/foo in # the failure case (and thus get out of the loop). -test_expect_success PERL 'path limiting works: dir' ' +test_expect_success 'path limiting works: dir' ' set_state dir/foo work head && test_write_lines y n | git restore -p dir && verify_saved_state bar && verify_state dir/foo head head ' -test_expect_success PERL 'path limiting works: -- dir' ' +test_expect_success 'path limiting works: -- dir' ' set_state dir/foo work head && test_write_lines y n | git restore -p -- dir && verify_saved_state bar && verify_state dir/foo head head ' -test_expect_success PERL 'path limiting works: HEAD^ -- dir' ' +test_expect_success 'path limiting works: HEAD^ -- dir' ' set_state dir/foo work head && # the third n is to get out in case it mistakenly does not apply test_write_lines y n n | git restore -p --source=HEAD^ -- dir && @@ -103,7 +108,7 @@ test_expect_success PERL 'path limiting works: HEAD^ -- dir' ' verify_state dir/foo parent head ' -test_expect_success PERL 'path limiting works: foo inside dir' ' +test_expect_success 'path limiting works: foo inside dir' ' set_state dir/foo work head && # the third n is to get out in case it mistakenly does not apply test_write_lines y n n | (cd dir && git restore -p foo) && @@ -111,7 +116,7 @@ test_expect_success PERL 'path limiting works: foo inside dir' ' verify_state dir/foo head head ' -test_expect_success PERL 'none of this moved HEAD' ' +test_expect_success 'none of this moved HEAD' ' verify_saved_head ' diff --git a/t/t2072-restore-pathspec-file.sh b/t/t2072-restore-pathspec-file.sh index 8198a1e578..86c9c88788 100755 --- a/t/t2072-restore-pathspec-file.sh +++ b/t/t2072-restore-pathspec-file.sh @@ -2,6 +2,7 @@ test_description='restore --pathspec-from-file' +TEST_PASSES_SANITIZE_LEAK=true . ./test-lib.sh test_tick diff --git a/t/t3200-branch.sh b/t/t3200-branch.sh index de7d3014e4..d3bbd00b81 100755 --- a/t/t3200-branch.sh +++ b/t/t3200-branch.sh @@ -75,13 +75,13 @@ test_expect_success 'git branch HEAD should fail' ' test_must_fail git branch HEAD ' -cat >expect <<EOF -$HEAD refs/heads/d/e/f@{0}: branch: Created from main -EOF test_expect_success 'git branch --create-reflog d/e/f should create a branch and a log' ' GIT_COMMITTER_DATE="2005-05-26 23:30" \ git -c core.logallrefupdates=false branch --create-reflog d/e/f && test_ref_exists refs/heads/d/e/f && + cat >expect <<-EOF && + $HEAD refs/heads/d/e/f@{0}: branch: Created from main + EOF git reflog show --no-abbrev-commit refs/heads/d/e/f >actual && test_cmp expect actual ' @@ -440,10 +440,10 @@ test_expect_success 'git branch --list -v with --abbrev' ' test_expect_success 'git branch --column' ' COLUMNS=81 git branch --column=column >actual && - cat >expect <<\EOF && - a/b/c bam foo l * main n o/p r - abc bar j/k m/m mb o/o q topic -EOF + cat >expect <<-\EOF && + a/b/c bam foo l * main n o/p r + abc bar j/k m/m mb o/o q topic + EOF test_cmp expect actual ' @@ -453,25 +453,25 @@ test_expect_success 'git branch --column with an extremely long branch name' ' test_when_finished "git branch -d $long" && git branch $long && COLUMNS=80 git branch --column=column >actual && - cat >expect <<EOF && - a/b/c - abc - bam - bar - foo - j/k - l - m/m -* main - mb - n - o/o - o/p - q - r - topic - $long -EOF + cat >expect <<-EOF && + a/b/c + abc + bam + bar + foo + j/k + l + m/m + * main + mb + n + o/o + o/p + q + r + topic + $long + EOF test_cmp expect actual ' @@ -481,10 +481,10 @@ test_expect_success 'git branch with column.*' ' COLUMNS=80 git branch >actual && git config --unset column.branch && git config --unset column.ui && - cat >expect <<\EOF && - a/b/c bam foo l * main n o/p r - abc bar j/k m/m mb o/o q topic -EOF + cat >expect <<-\EOF && + a/b/c bam foo l * main n o/p r + abc bar j/k m/m mb o/o q topic + EOF test_cmp expect actual ' @@ -496,39 +496,36 @@ test_expect_success 'git branch -v with column.ui ignored' ' git config column.ui column && COLUMNS=80 git branch -v | cut -c -8 | sed "s/ *$//" >actual && git config --unset column.ui && - cat >expect <<\EOF && - a/b/c - abc - bam - bar - foo - j/k - l - m/m -* main - mb - n - o/o - o/p - q - r - topic -EOF + cat >expect <<-\EOF && + a/b/c + abc + bam + bar + foo + j/k + l + m/m + * main + mb + n + o/o + o/p + q + r + topic + EOF test_cmp expect actual ' -mv .git/config .git/config-saved - test_expect_success DEFAULT_REPO_FORMAT 'git branch -m q q2 without config should succeed' ' + test_when_finished mv .git/config-saved .git/config && + mv .git/config .git/config-saved && git branch -m q q2 && git branch -m q2 q ' -mv .git/config-saved .git/config - -git config branch.s/s.dummy Hello - test_expect_success 'git branch -m s/s s should work when s/t is deleted' ' + git config branch.s/s.dummy Hello && git branch --create-reflog s/s && git reflog exists refs/heads/s/s && git branch --create-reflog s/t && @@ -579,7 +576,7 @@ EOF # ...and that the comments for those sections are also # preserved. - cat config.branch | sed "s/\"source\"/\"dest\"/" >expect && + sed "s/\"source\"/\"dest\"/" config.branch >expect && sed -n -e "/Note the lack/,\$p" .git/config >actual && test_cmp expect actual ' @@ -836,35 +833,6 @@ test_expect_success 'renaming a symref is not allowed' ' test_ref_missing refs/heads/new-topic ' -test_expect_success SYMLINKS,REFFILES 'git branch -m u v should fail when the reflog for u is a symlink' ' - git branch --create-reflog u && - mv .git/logs/refs/heads/u real-u && - ln -s real-u .git/logs/refs/heads/u && - test_must_fail git branch -m u v -' - -test_expect_success SYMLINKS,REFFILES 'git branch -m with symlinked .git/refs' ' - test_when_finished "rm -rf subdir" && - git init --bare subdir && - - rm -rfv subdir/refs subdir/objects subdir/packed-refs && - ln -s ../.git/refs subdir/refs && - ln -s ../.git/objects subdir/objects && - ln -s ../.git/packed-refs subdir/packed-refs && - - git -C subdir rev-parse --absolute-git-dir >subdir.dir && - git rev-parse --absolute-git-dir >our.dir && - ! test_cmp subdir.dir our.dir && - - git -C subdir log && - git -C subdir branch rename-src && - git rev-parse rename-src >expect && - git -C subdir branch -m rename-src rename-dest && - git rev-parse rename-dest >actual && - test_cmp expect actual && - git branch -D rename-dest -' - test_expect_success 'test tracking setup via --track' ' git config remote.local.url . && git config remote.local.fetch refs/heads/*:refs/remotes/local/* && @@ -1141,14 +1109,14 @@ test_expect_success '--set-upstream-to notices an error to set branch as own ups test_cmp expect actual " -# Keep this test last, as it changes the current branch -cat >expect <<EOF -$HEAD refs/heads/g/h/i@{0}: branch: Created from main -EOF test_expect_success 'git checkout -b g/h/i -l should create a branch and a log' ' + test_when_finished git checkout main && GIT_COMMITTER_DATE="2005-05-26 23:30" \ git checkout -b g/h/i -l main && test_ref_exists refs/heads/g/h/i && + cat >expect <<-EOF && + $HEAD refs/heads/g/h/i@{0}: branch: Created from main + EOF git reflog show --no-abbrev-commit refs/heads/g/h/i >actual && test_cmp expect actual ' @@ -1725,4 +1693,14 @@ test_expect_success '--track overrides branch.autoSetupMerge' ' test_cmp_config "" --default "" branch.foo5.merge ' +test_expect_success 'errors if given a bad branch name' ' + cat <<-\EOF >expect && + fatal: '\''foo..bar'\'' is not a valid branch name + hint: See `man git check-ref-format` + hint: Disable this message with "git config advice.refSyntax false" + EOF + test_must_fail git branch foo..bar >actual 2>&1 && + test_cmp expect actual +' + test_done diff --git a/t/t3202-show-branch.sh b/t/t3202-show-branch.sh index 6a98b2df76..a1139f79e2 100755 --- a/t/t3202-show-branch.sh +++ b/t/t3202-show-branch.sh @@ -4,9 +4,6 @@ test_description='test show-branch' . ./test-lib.sh -# arbitrary reference time: 2009-08-30 19:20:00 -GIT_TEST_DATE_NOW=1251660000; export GIT_TEST_DATE_NOW - test_expect_success 'error descriptions on empty repository' ' current=$(git branch --show-current) && cat >expect <<-EOF && @@ -187,18 +184,6 @@ test_expect_success 'show branch --merge-base with N arguments' ' test_cmp expect actual ' -test_expect_success 'show branch --reflog=2' ' - sed "s/^> //" >expect <<-\EOF && - > ! [refs/heads/branch10@{0}] (4 years, 5 months ago) commit: branch10 - > ! [refs/heads/branch10@{1}] (4 years, 5 months ago) commit: branch10 - > -- - > + [refs/heads/branch10@{0}] branch10 - > ++ [refs/heads/branch10@{1}] initial - EOF - git show-branch --reflog=2 >actual && - test_cmp actual expect -' - # incompatible options while read combo do @@ -264,4 +249,38 @@ test_expect_success 'error descriptions on orphan branch' ' test_branch_op_in_wt -c new-branch ' +test_expect_success 'setup reflogs' ' + test_commit base && + git checkout -b branch && + test_commit one && + git reset --hard HEAD^ && + test_commit two && + test_commit three +' + +test_expect_success '--reflog shows reflog entries' ' + cat >expect <<-\EOF && + ! [branch@{0}] (0 seconds ago) commit: three + ! [branch@{1}] (60 seconds ago) commit: two + ! [branch@{2}] (2 minutes ago) reset: moving to HEAD^ + ! [branch@{3}] (2 minutes ago) commit: one + ---- + + [branch@{0}] three + ++ [branch@{1}] two + + [branch@{3}] one + ++++ [branch@{2}] base + EOF + # the output always contains relative timestamps; use + # a known time to get deterministic results + GIT_TEST_DATE_NOW=$test_tick \ + git show-branch --reflog branch >actual && + test_cmp expect actual +' + +test_expect_success '--reflog handles missing reflog' ' + git reflog expire --expire=now branch && + git show-branch --reflog branch >actual && + test_must_be_empty actual +' + test_done diff --git a/t/t3321-notes-stripspace.sh b/t/t3321-notes-stripspace.sh index 088a852dd4..beca346056 100755 --- a/t/t3321-notes-stripspace.sh +++ b/t/t3321-notes-stripspace.sh @@ -442,7 +442,7 @@ test_expect_success 'add note by specifying "-C", "--no-stripspace" is the defau ${LF} EOF - cat expect | git hash-object -w --stdin >blob && + git hash-object -w --stdin <expect >blob && git notes add -C $(cat blob) && git notes show >actual && test_cmp expect actual && @@ -468,7 +468,7 @@ test_expect_success 'reuse note by specifying "-C" and "--stripspace"' ' second-line EOF - cat data | git hash-object -w --stdin >blob && + git hash-object -w --stdin <data >blob && git notes add --stripspace -C $(cat blob) && git notes show >actual && test_cmp expect actual @@ -492,7 +492,7 @@ test_expect_success 'reuse with "-C" and add note with "-m", "-m" will stripspac third-line EOF - cat data | git hash-object -w --stdin >blob && + git hash-object -w --stdin <data >blob && git notes add -C $(cat blob) -m "third-line" && git notes show >actual && test_cmp expect actual @@ -511,7 +511,7 @@ test_expect_success 'add note with "-m" and reuse note with "-C", "-C" will not second-line EOF - cat data | git hash-object -w --stdin >blob && + git hash-object -w --stdin <data >blob && git notes add -m "first-line" -C $(cat blob) && git notes show >actual && test_cmp expect actual diff --git a/t/t3400-rebase.sh b/t/t3400-rebase.sh index 57f1392926..e1c8c5f701 100755 --- a/t/t3400-rebase.sh +++ b/t/t3400-rebase.sh @@ -424,16 +424,6 @@ test_expect_success 'refuse to switch to branch checked out elsewhere' ' test_grep "already used by worktree at" err ' -test_expect_success REFFILES,MINGW,SYMLINKS_WINDOWS 'rebase when .git/logs is a symlink' ' - git checkout main && - mv .git/logs actual_logs && - cmd //c "mklink /D .git\logs ..\actual_logs" && - git rebase -f HEAD^ && - test -L .git/logs && - rm .git/logs && - mv actual_logs .git/logs -' - test_expect_success 'rebase when inside worktree subdirectory' ' git init main-wt && ( diff --git a/t/t3904-stash-patch.sh b/t/t3904-stash-patch.sh index accfe3845c..368fc2a6cc 100755 --- a/t/t3904-stash-patch.sh +++ b/t/t3904-stash-patch.sh @@ -3,12 +3,6 @@ test_description='stash -p' . ./lib-patch-mode.sh -if ! test_have_prereq PERL -then - skip_all='skipping stash -p tests, perl not available' - test_done -fi - test_expect_success 'setup' ' mkdir dir && echo parent > dir/foo && diff --git a/t/t3920-crlf-messages.sh b/t/t3920-crlf-messages.sh index 67fd2345af..50ae222f08 100755 --- a/t/t3920-crlf-messages.sh +++ b/t/t3920-crlf-messages.sh @@ -10,7 +10,7 @@ LIB_CRLF_BRANCHES="" create_crlf_ref () { branch="$1" && cat >.crlf-orig-$branch.txt && - cat .crlf-orig-$branch.txt | append_cr >.crlf-message-$branch.txt && + append_cr <.crlf-orig-$branch.txt >.crlf-message-$branch.txt && grep 'Subject' .crlf-orig-$branch.txt | tr '\n' ' ' | sed 's/[ ]*$//' | tr -d '\n' >.crlf-subject-$branch.txt && grep 'Body' .crlf-orig-$branch.txt | append_cr >.crlf-body-$branch.txt && LIB_CRLF_BRANCHES="${LIB_CRLF_BRANCHES} ${branch}" && @@ -97,7 +97,7 @@ test_expect_success 'branch: --verbose works with messages using CRLF' ' git branch -v >tmp && # Remove first two columns, and the line for the currently checked out branch current=$(git branch --show-current) && - grep -v $current <tmp | awk "{\$1=\$2=\"\"}1" >actual && + awk "/$current/ { next } { \$1 = \$2 = \"\" } 1" <tmp >actual && test_cmp expect actual ' diff --git a/t/t4002-diff-basic.sh b/t/t4002-diff-basic.sh index 7afc883ec3..cb3307010c 100755 --- a/t/t4002-diff-basic.sh +++ b/t/t4002-diff-basic.sh @@ -405,7 +405,7 @@ test_expect_success 'diff-tree -r B A == diff-tree -r -R A B' ' test_expect_success 'diff can read from stdin' ' test_must_fail git diff --no-index -- MN - < NN | - grep -v "^index" | sed "s#/-#/NN#" >.test-a && + sed "/^index/d; s#/-#/NN#" >.test-a && test_must_fail git diff --no-index -- MN NN | grep -v "^index" >.test-b && test_cmp .test-a .test-b diff --git a/t/t4013-diff-various.sh b/t/t4013-diff-various.sh index 1e3b2dbea4..3855d68dbc 100755 --- a/t/t4013-diff-various.sh +++ b/t/t4013-diff-various.sh @@ -633,8 +633,8 @@ check_prefix () { test_cmp expect actual.paths } -test_expect_success 'diff-files does not respect diff.noprefix' ' - git -c diff.noprefix diff-files -p >actual && +test_expect_success 'diff-files does not respect diff.noPrefix' ' + git -c diff.noPrefix diff-files -p >actual && check_prefix actual a/file0 b/file0 ' @@ -643,23 +643,58 @@ test_expect_success 'diff-files respects --no-prefix' ' check_prefix actual file0 file0 ' -test_expect_success 'diff respects diff.noprefix' ' - git -c diff.noprefix diff >actual && +test_expect_success 'diff respects diff.noPrefix' ' + git -c diff.noPrefix diff >actual && check_prefix actual file0 file0 ' -test_expect_success 'diff --default-prefix overrides diff.noprefix' ' - git -c diff.noprefix diff --default-prefix >actual && +test_expect_success 'diff --default-prefix overrides diff.noPrefix' ' + git -c diff.noPrefix diff --default-prefix >actual && check_prefix actual a/file0 b/file0 ' -test_expect_success 'diff respects diff.mnemonicprefix' ' - git -c diff.mnemonicprefix diff >actual && +test_expect_success 'diff respects diff.mnemonicPrefix' ' + git -c diff.mnemonicPrefix diff >actual && check_prefix actual i/file0 w/file0 ' -test_expect_success 'diff --default-prefix overrides diff.mnemonicprefix' ' - git -c diff.mnemonicprefix diff --default-prefix >actual && +test_expect_success 'diff --default-prefix overrides diff.mnemonicPrefix' ' + git -c diff.mnemonicPrefix diff --default-prefix >actual && + check_prefix actual a/file0 b/file0 +' + +test_expect_success 'diff respects diff.srcPrefix' ' + git -c diff.srcPrefix=x/ diff >actual && + check_prefix actual x/file0 b/file0 +' + +test_expect_success 'diff respects diff.dstPrefix' ' + git -c diff.dstPrefix=y/ diff >actual && + check_prefix actual a/file0 y/file0 +' + +test_expect_success 'diff --src-prefix overrides diff.srcPrefix' ' + git -c diff.srcPrefix=y/ diff --src-prefix=z/ >actual && + check_prefix actual z/file0 b/file0 +' + +test_expect_success 'diff --dst-prefix overrides diff.dstPrefix' ' + git -c diff.dstPrefix=y/ diff --dst-prefix=z/ >actual && + check_prefix actual a/file0 z/file0 +' + +test_expect_success 'diff.{src,dst}Prefix ignored with diff.noPrefix' ' + git -c diff.dstPrefix=y/ -c diff.srcPrefix=x/ -c diff.noPrefix diff >actual && + check_prefix actual file0 file0 +' + +test_expect_success 'diff.{src,dst}Prefix ignored with diff.mnemonicPrefix' ' + git -c diff.dstPrefix=x/ -c diff.srcPrefix=y/ -c diff.mnemonicPrefix diff >actual && + check_prefix actual i/file0 w/file0 +' + +test_expect_success 'diff.{src,dst}Prefix ignored with --default-prefix' ' + git -c diff.dstPrefix=x/ -c diff.srcPrefix=y/ diff --default-prefix >actual && check_prefix actual a/file0 b/file0 ' diff --git a/t/t4020-diff-external.sh b/t/t4020-diff-external.sh index c1ac09ecc7..fdd865f7c3 100755 --- a/t/t4020-diff-external.sh +++ b/t/t4020-diff-external.sh @@ -232,7 +232,7 @@ keep_only_cr () { test_expect_success 'external diff with autocrlf = true' ' test_config core.autocrlf true && GIT_EXTERNAL_DIFF=./fake-diff.sh git diff && - test $(wc -l < crlfed.txt) = $(cat crlfed.txt | keep_only_cr | wc -c) + test $(wc -l <crlfed.txt) = $(keep_only_cr <crlfed.txt | wc -c) ' test_expect_success 'diff --cached' ' diff --git a/t/t4042-diff-textconv-caching.sh b/t/t4042-diff-textconv-caching.sh index bf33aedf4b..8ebfa3c1be 100755 --- a/t/t4042-diff-textconv-caching.sh +++ b/t/t4042-diff-textconv-caching.sh @@ -118,4 +118,26 @@ test_expect_success 'log notes cache and still use cache for -p' ' git log --no-walk -p refs/notes/textconv/magic HEAD ' +test_expect_success 'caching is silently ignored outside repo' ' + mkdir -p non-repo && + echo one >non-repo/one && + echo two >non-repo/two && + echo "* diff=test" >attr && + test_expect_code 1 \ + nongit git -c core.attributesFile="$PWD/attr" \ + -c diff.test.textconv="tr a-z A-Z <" \ + -c diff.test.cachetextconv=true \ + diff --no-index one two >actual && + cat >expect <<-\EOF && + diff --git a/one b/two + index 5626abf..f719efd 100644 + --- a/one + +++ b/two + @@ -1 +1 @@ + -ONE + +TWO + EOF + test_cmp expect actual +' + test_done diff --git a/t/t4129-apply-samemode.sh b/t/t4129-apply-samemode.sh index 2775bfadd8..4eb8444029 100755 --- a/t/t4129-apply-samemode.sh +++ b/t/t4129-apply-samemode.sh @@ -103,4 +103,31 @@ test_expect_success POSIXPERM 'do not use core.sharedRepository for working tree ) ' +test_expect_success 'git apply respects core.fileMode' ' + test_config core.fileMode false && + echo true >script.sh && + git add --chmod=+x script.sh && + git ls-files -s script.sh >ls-files-output && + test_grep "^100755" ls-files-output && + test_tick && git commit -m "Add script" && + git ls-tree -r HEAD script.sh >ls-tree-output && + test_grep "^100755" ls-tree-output && + + echo true >>script.sh && + test_tick && git commit -m "Modify script" script.sh && + git format-patch -1 --stdout >patch && + test_grep "^index.*100755$" patch && + + git switch -c branch HEAD^ && + git apply --index patch 2>err && + test_grep ! "has type 100644, expected 100755" err && + git reset --hard && + + git apply patch 2>err && + test_grep ! "has type 100644, expected 100755" err && + + git apply --cached patch 2>err && + test_grep ! "has type 100644, expected 100755" err +' + test_done diff --git a/t/t4201-shortlog.sh b/t/t4201-shortlog.sh index d7382709fc..f698d0c9ad 100755 --- a/t/t4201-shortlog.sh +++ b/t/t4201-shortlog.sh @@ -312,6 +312,38 @@ test_expect_success 'shortlog de-duplicates trailers in a single commit' ' test_cmp expect actual ' +# Trailers that have unfolded (single line) and folded (multiline) values which +# are otherwise identical are treated as the same trailer for de-duplication. +test_expect_success 'shortlog de-duplicates trailers in a single commit (folded/unfolded values)' ' + git commit --allow-empty -F - <<-\EOF && + subject one + + this message has two distinct values, plus a repeat (folded) + + Repeated-trailer: Foo foo foo + Repeated-trailer: Bar + Repeated-trailer: Foo + foo foo + EOF + + git commit --allow-empty -F - <<-\EOF && + subject two + + similar to the previous, but without the second distinct value + + Repeated-trailer: Foo foo foo + Repeated-trailer: Foo + foo foo + EOF + + cat >expect <<-\EOF && + 2 Foo foo foo + 1 Bar + EOF + git shortlog -ns --group=trailer:repeated-trailer -2 HEAD >actual && + test_cmp expect actual +' + test_expect_success 'shortlog can match multiple groups' ' git commit --allow-empty -F - <<-\EOF && subject one diff --git a/t/t4205-log-pretty-formats.sh b/t/t4205-log-pretty-formats.sh index e3d655e6b8..1409eebcd8 100755 --- a/t/t4205-log-pretty-formats.sh +++ b/t/t4205-log-pretty-formats.sh @@ -156,7 +156,7 @@ test_expect_success 'NUL termination with --reflog --pretty=oneline' ' for r in $revs do git show -s --pretty=oneline "$r" >raw && - cat raw | lf_to_nul || return 1 + lf_to_nul <raw || return 1 done >expect && # the trailing NUL is already produced so we do not need to # output another one diff --git a/t/t4301-merge-tree-write-tree.sh b/t/t4301-merge-tree-write-tree.sh index 12ac436873..eea19907b5 100755 --- a/t/t4301-merge-tree-write-tree.sh +++ b/t/t4301-merge-tree-write-tree.sh @@ -313,7 +313,7 @@ test_expect_success 'rename/add handling' ' # First, check that the bar that appears at stage 3 does not # correspond to an individual blob anywhere in history # - hash=$(cat out | tr "\0" "\n" | head -n 3 | grep 3.bar | cut -f 2 -d " ") && + hash=$(tr "\0" "\n" <out | head -n 3 | grep 3.bar | cut -f 2 -d " ") && git rev-list --objects --all >all_blobs && ! grep $hash all_blobs && @@ -380,7 +380,7 @@ test_expect_success SYMLINKS 'rename/add, where add is a mode conflict' ' # First, check that the bar that appears at stage 3 does not # correspond to an individual blob anywhere in history # - hash=$(cat out | tr "\0" "\n" | head -n 3 | grep 3.bar | cut -f 2 -d " ") && + hash=$(tr "\0" "\n" <out | head -n 3 | grep 3.bar | cut -f 2 -d " ") && git rev-list --objects --all >all_blobs && ! grep $hash all_blobs && @@ -630,8 +630,8 @@ test_expect_success 'mod6: chains of rename/rename(1to2) and add/add via collidi # conflict entries do not appear as individual blobs anywhere # in history. # - hash1=$(cat out | tr "\0" "\n" | head | grep 2.four | cut -f 2 -d " ") && - hash2=$(cat out | tr "\0" "\n" | head | grep 3.two | cut -f 2 -d " ") && + hash1=$(tr "\0" "\n" <out | head | grep 2.four | cut -f 2 -d " ") && + hash2=$(tr "\0" "\n" <out | head | grep 3.two | cut -f 2 -d " ") && git rev-list --objects --all >all_blobs && ! grep $hash1 all_blobs && ! grep $hash2 all_blobs && @@ -945,4 +945,49 @@ test_expect_success 'check the input format when --stdin is passed' ' test_cmp expect actual ' +test_expect_success '--merge-base with tree OIDs' ' + git merge-tree --merge-base=side1^ side1 side3 >with-commits && + git merge-tree --merge-base=side1^^{tree} side1^{tree} side3^{tree} >with-trees && + test_cmp with-commits with-trees +' + +test_expect_success 'error out on missing tree objects' ' + git init --bare missing-tree.git && + git rev-list side3 >list && + git rev-parse side3^: >>list && + git pack-objects missing-tree.git/objects/pack/side3-tree-is-missing <list && + side3=$(git rev-parse side3) && + test_must_fail git --git-dir=missing-tree.git merge-tree $side3^ $side3 >actual 2>err && + test_grep "Could not read $(git rev-parse $side3:)" err && + test_must_be_empty actual +' + +test_expect_success 'error out on missing blob objects' ' + echo 1 | git hash-object -w --stdin >blob1 && + echo 2 | git hash-object -w --stdin >blob2 && + echo 3 | git hash-object -w --stdin >blob3 && + printf "100644 blob $(cat blob1)\tblob\n" | git mktree >tree1 && + printf "100644 blob $(cat blob2)\tblob\n" | git mktree >tree2 && + printf "100644 blob $(cat blob3)\tblob\n" | git mktree >tree3 && + git init --bare missing-blob.git && + cat blob1 blob3 tree1 tree2 tree3 | + git pack-objects missing-blob.git/objects/pack/side1-whatever-is-missing && + test_must_fail git --git-dir=missing-blob.git >actual 2>err \ + merge-tree --merge-base=$(cat tree1) $(cat tree2) $(cat tree3) && + test_grep "unable to read blob object $(cat blob2)" err && + test_must_be_empty actual +' + +test_expect_success 'error out on missing commits as well' ' + git init --bare missing-commit.git && + git rev-list --objects side1 side3 >list-including-initial && + grep -v ^$(git rev-parse side1^) <list-including-initial >list && + git pack-objects missing-commit.git/objects/pack/missing-initial <list && + side1=$(git rev-parse side1) && + side3=$(git rev-parse side3) && + test_must_fail git --git-dir=missing-commit.git \ + merge-tree --allow-unrelated-histories $side1 $side3 >actual && + test_must_be_empty actual +' + test_done diff --git a/t/t5100-mailinfo.sh b/t/t5100-mailinfo.sh index 654d8cf3ee..c8d0655454 100755 --- a/t/t5100-mailinfo.sh +++ b/t/t5100-mailinfo.sh @@ -70,7 +70,7 @@ test_expect_success 'respect NULs' ' git mailsplit -d3 -o. "$DATA/nul-plain" && test_cmp "$DATA/nul-plain" 001 && - (cat 001 | git mailinfo msg patch) && + git mailinfo msg patch <001 && test_line_count = 4 patch ' diff --git a/t/t5300-pack-object.sh b/t/t5300-pack-object.sh index a58f91035d..61e2be2903 100755 --- a/t/t5300-pack-object.sh +++ b/t/t5300-pack-object.sh @@ -465,7 +465,7 @@ test_with_bad_commit () { must_pass_arg="$2" && ( cd strict && - test_expect_fail git index-pack "$must_fail_arg" "test-$(cat pack-name).pack" + test_must_fail git index-pack "$must_fail_arg" "test-$(cat pack-name).pack" && git index-pack "$must_pass_arg" "test-$(cat pack-name).pack" ) } diff --git a/t/t5317-pack-objects-filter-objects.sh b/t/t5317-pack-objects-filter-objects.sh index 2ff3eef9a3..79552d6ef7 100755 --- a/t/t5317-pack-objects-filter-objects.sh +++ b/t/t5317-pack-objects-filter-objects.sh @@ -455,7 +455,7 @@ test_expect_success 'setup r1 - delete loose blobs' ' test_parse_ls_files_stage_oids <ls_files_result | sort >expected && - for id in `cat expected | sed "s|..|&/|"` + for id in `sed "s|..|&/|" expected` do rm r1/.git/objects/$id || return 1 done diff --git a/t/t5401-update-hooks.sh b/t/t5401-update-hooks.sh index 8b8bc47dc0..d8cadeec73 100755 --- a/t/t5401-update-hooks.sh +++ b/t/t5401-update-hooks.sh @@ -123,7 +123,7 @@ remote: STDOUT post-update remote: STDERR post-update EOF test_expect_success 'send-pack stderr contains hook messages' ' - grep ^remote: send.err | sed "s/ *\$//" >actual && + sed -n "/^remote:/s/ *\$//p" send.err >actual && test_cmp expect actual ' diff --git a/t/t5534-push-signed.sh b/t/t5534-push-signed.sh index b4bc24691c..c91a62b77a 100755 --- a/t/t5534-push-signed.sh +++ b/t/t5534-push-signed.sh @@ -303,7 +303,7 @@ test_expect_success GPGSM 'fail without key and heed user.signingkey x509' ' EOF sed -n -e "s/^nonce /NONCE=/p" -e "/^$/q" dst/push-cert ) >expect.in && - key=$(cat "${GNUPGHOME}/trustlist.txt" | cut -d" " -f1 | tr -d ":") && + key=$(cut -d" " -f1 <"${GNUPGHOME}/trustlist.txt" | tr -d ":") && sed -e "s/^KEY=/KEY=${key}/" expect.in >expect && noop=$(git rev-parse noop) && diff --git a/t/t5555-http-smart-common.sh b/t/t5555-http-smart-common.sh index b1cfe8b7db..3dcb3340a3 100755 --- a/t/t5555-http-smart-common.sh +++ b/t/t5555-http-smart-common.sh @@ -131,7 +131,6 @@ test_expect_success 'git upload-pack --advertise-refs: v2' ' fetch=shallow wait-for-done server-option object-format=$(test_oid algo) - object-info 0000 EOF diff --git a/t/t5606-clone-options.sh b/t/t5606-clone-options.sh index a400bcca62..e93e0d0cc3 100755 --- a/t/t5606-clone-options.sh +++ b/t/t5606-clone-options.sh @@ -120,14 +120,14 @@ test_expect_success 'prefers -c config over --template config' ' ' -test_expect_failure 'prefers --template config even for core.bare' ' +test_expect_success 'ignore --template config for core.bare' ' template="$TRASH_DIRECTORY/template-with-bare-config" && mkdir "$template" && git config --file "$template/config" core.bare true && git clone "--template=$template" parent clone-bare-config && - test "$(git -C clone-bare-config config --local core.bare)" = "true" && - test_path_is_file clone-bare-config/HEAD + test "$(git -C clone-bare-config config --local core.bare)" = "false" && + test_path_is_missing clone-bare-config/HEAD ' test_expect_success 'prefers config "clone.defaultRemoteName" over default' ' diff --git a/t/t5701-git-serve.sh b/t/t5701-git-serve.sh index 3591bc2417..c48830de8f 100755 --- a/t/t5701-git-serve.sh +++ b/t/t5701-git-serve.sh @@ -20,7 +20,6 @@ test_expect_success 'test capability advertisement' ' fetch=shallow wait-for-done server-option object-format=$(test_oid algo) - object-info EOF cat >expect.trailer <<-EOF && 0000 @@ -323,6 +322,8 @@ test_expect_success 'unexpected lines are not allowed in fetch request' ' # Test the basics of object-info # test_expect_success 'basics of object-info' ' + test_config transfer.advertiseObjectInfo true && + test-tool pkt-line pack >in <<-EOF && command=object-info object-format=$(test_oid algo) @@ -380,4 +381,25 @@ test_expect_success 'basics of bundle-uri: dies if not enabled' ' test_must_be_empty out ' +test_expect_success 'object-info missing from capabilities when disabled' ' + test_config transfer.advertiseObjectInfo false && + + GIT_TEST_SIDEBAND_ALL=0 test-tool serve-v2 \ + --advertise-capabilities >out && + test-tool pkt-line unpack <out >actual && + + ! grep object.info actual +' + +test_expect_success 'object-info commands rejected when disabled' ' + test_config transfer.advertiseObjectInfo false && + + test-tool pkt-line pack >in <<-EOF && + command=object-info + EOF + + test_must_fail test-tool serve-v2 --stateless-rpc <in 2>err && + grep invalid.command err +' + test_done diff --git a/t/t5702-protocol-v2.sh b/t/t5702-protocol-v2.sh index 6ef4971845..1ef540f73d 100755 --- a/t/t5702-protocol-v2.sh +++ b/t/t5702-protocol-v2.sh @@ -778,6 +778,25 @@ test_expect_success 'archive with custom path does not request v2' ' ! grep ^GIT_PROTOCOL env.trace ' +test_expect_success 'reject client packfile-uris if not advertised' ' + { + packetize command=fetch && + packetize object-format=$(test_oid algo) && + printf 0001 && + packetize packfile-uris https && + packetize done && + printf 0000 + } >input && + test_must_fail env GIT_PROTOCOL=version=2 \ + git upload-pack client <input && + test_must_fail env GIT_PROTOCOL=version=2 \ + git -c uploadpack.blobpackfileuri \ + upload-pack client <input && + GIT_PROTOCOL=version=2 \ + git -c uploadpack.blobpackfileuri=anything \ + upload-pack client <input +' + # Test protocol v2 with 'http://' transport # . "$TEST_DIRECTORY"/lib-httpd.sh diff --git a/t/t5801/git-remote-testgit b/t/t5801/git-remote-testgit index 1544d6dc6b..bcfb358c51 100755 --- a/t/t5801/git-remote-testgit +++ b/t/t5801/git-remote-testgit @@ -12,6 +12,11 @@ url=$2 dir="$GIT_DIR/testgit/$alias" +if ! git rev-parse --is-inside-git-dir +then + exit 1 +fi + h_refspec="refs/heads/*:refs/testgit/$alias/heads/*" t_refspec="refs/tags/*:refs/testgit/$alias/tags/*" diff --git a/t/t6022-rev-list-missing.sh b/t/t6022-rev-list-missing.sh index 211672759a..127180e1c9 100755 --- a/t/t6022-rev-list-missing.sh +++ b/t/t6022-rev-list-missing.sh @@ -10,7 +10,10 @@ TEST_PASSES_SANITIZE_LEAK=true test_expect_success 'create repository and alternate directory' ' test_commit 1 && test_commit 2 && - test_commit 3 + test_commit 3 && + git tag -m "tag message" annot_tag HEAD~1 && + git tag regul_tag HEAD~1 && + git branch a_branch HEAD~1 ' # We manually corrupt the repository, which means that the commit-graph may @@ -46,9 +49,10 @@ do git rev-list --objects --no-object-names \ HEAD ^$obj >expect.raw && - # Blobs are shared by all commits, so evethough a commit/tree + # Blobs are shared by all commits, so even though a commit/tree # might be skipped, its blob must be accounted for. - if [ $obj != "HEAD:1.t" ]; then + if test $obj != "HEAD:1.t" + then echo $(git rev-parse HEAD:1.t) >>expect.raw && echo $(git rev-parse HEAD:2.t) >>expect.raw fi && @@ -77,4 +81,69 @@ do done done +for missing_tip in "annot_tag" "regul_tag" "a_branch" "HEAD~1" "HEAD~1^{tree}" "HEAD:1.t" +do + # We want to check that things work when both + # - all the tips passed are missing (case existing_tip = ""), and + # - there is one missing tip and one existing tip (case existing_tip = "HEAD") + for existing_tip in "" "HEAD" + do + for action in "allow-any" "print" + do + test_expect_success "--missing=$action with tip '$missing_tip' missing and tip '$existing_tip'" ' + # Before the object is made missing, we use rev-list to + # get the expected oids. + if test "$existing_tip" = "HEAD" + then + git rev-list --objects --no-object-names \ + HEAD ^$missing_tip >expect.raw + else + >expect.raw + fi && + + # Blobs are shared by all commits, so even though a commit/tree + # might be skipped, its blob must be accounted for. + if test "$existing_tip" = "HEAD" && test $missing_tip != "HEAD:1.t" + then + echo $(git rev-parse HEAD:1.t) >>expect.raw && + echo $(git rev-parse HEAD:2.t) >>expect.raw + fi && + + missing_oid="$(git rev-parse $missing_tip)" && + + if test "$missing_tip" = "annot_tag" + then + oid="$(git rev-parse $missing_tip^{commit})" && + echo "$missing_oid" >>expect.raw + else + oid="$missing_oid" + fi && + + path=".git/objects/$(test_oid_to_path $oid)" && + + mv "$path" "$path.hidden" && + test_when_finished "mv $path.hidden $path" && + + git rev-list --missing=$action --objects --no-object-names \ + $missing_oid $existing_tip >actual.raw && + + # When the action is to print, we should also add the missing + # oid to the expect list. + case $action in + allow-any) + ;; + print) + grep ?$oid actual.raw && + echo ?$oid >>expect.raw + ;; + esac && + + sort actual.raw >actual && + sort expect.raw >expect && + test_cmp expect actual + ' + done + done +done + test_done diff --git a/t/t6030-bisect-porcelain.sh b/t/t6030-bisect-porcelain.sh index 561080bf24..cdc0270640 100755 --- a/t/t6030-bisect-porcelain.sh +++ b/t/t6030-bisect-porcelain.sh @@ -878,7 +878,7 @@ test_expect_success 'broken branch creation' ' echo "" > expected.ok cat > expected.missing-tree.default <<EOF -fatal: unable to read tree $deleted +fatal: unable to read tree ($deleted) EOF test_expect_success 'bisect fails if tree is broken on start commit' ' diff --git a/t/t6112-rev-list-filters-objects.sh b/t/t6112-rev-list-filters-objects.sh index 52822b9461..43e1afd44c 100755 --- a/t/t6112-rev-list-filters-objects.sh +++ b/t/t6112-rev-list-filters-objects.sh @@ -670,7 +670,7 @@ test_expect_success 'rev-list W/ --missing=print' ' awk -f print_2.awk ls_files_result | sort >expected && - for id in `cat expected | sed "s|..|&/|"` + for id in `sed "s|..|&/|" expected` do rm r1/.git/objects/$id || return 1 done && diff --git a/t/t6302-for-each-ref-filter.sh b/t/t6302-for-each-ref-filter.sh index 82f3d1ea0f..948f1bb5f4 100755 --- a/t/t6302-for-each-ref-filter.sh +++ b/t/t6302-for-each-ref-filter.sh @@ -31,6 +31,37 @@ test_expect_success 'setup some history and refs' ' git update-ref refs/odd/spot main ' +test_expect_success '--include-root-refs pattern prints pseudorefs' ' + cat >expect <<-\EOF && + HEAD + ORIG_HEAD + refs/heads/main + refs/heads/side + refs/odd/spot + refs/tags/annotated-tag + refs/tags/doubly-annotated-tag + refs/tags/doubly-signed-tag + refs/tags/four + refs/tags/one + refs/tags/signed-tag + refs/tags/three + refs/tags/two + EOF + git update-ref ORIG_HEAD main && + git for-each-ref --format="%(refname)" --include-root-refs >actual && + test_cmp expect actual +' + +test_expect_success '--include-root-refs with other patterns' ' + cat >expect <<-\EOF && + HEAD + ORIG_HEAD + EOF + git update-ref ORIG_HEAD main && + git for-each-ref --format="%(refname)" --include-root-refs "*HEAD" >actual && + test_cmp expect actual +' + test_expect_success 'filtering with --points-at' ' cat >expect <<-\EOF && refs/heads/main diff --git a/t/t6413-merge-crlf.sh b/t/t6413-merge-crlf.sh index b4f4a313f4..647ea1e838 100755 --- a/t/t6413-merge-crlf.sh +++ b/t/t6413-merge-crlf.sh @@ -34,14 +34,14 @@ test_expect_success setup ' test_expect_success 'Check "ours" is CRLF' ' git reset --hard initial && git merge side -s ours && - cat file | remove_cr | append_cr >file.temp && + remove_cr <file | append_cr >file.temp && test_cmp file file.temp ' test_expect_success 'Check that conflict file is CRLF' ' git reset --hard a && test_must_fail git merge side && - cat file | remove_cr | append_cr >file.temp && + remove_cr <file | append_cr >file.temp && test_cmp file file.temp ' diff --git a/t/t6418-merge-text-auto.sh b/t/t6418-merge-text-auto.sh index 41288a60ce..48a62cb855 100755 --- a/t/t6418-merge-text-auto.sh +++ b/t/t6418-merge-text-auto.sh @@ -15,6 +15,7 @@ test_description='CRLF merge conflict across text=auto change GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME +TEST_PASSES_SANITIZE_LEAK=true . ./test-lib.sh test_have_prereq SED_STRIPS_CR && SED_OPTIONS=-b diff --git a/t/t6437-submodule-merge.sh b/t/t6437-submodule-merge.sh index 70650521b0..7a3f1cb27c 100755 --- a/t/t6437-submodule-merge.sh +++ b/t/t6437-submodule-merge.sh @@ -113,7 +113,7 @@ test_expect_success 'merging should conflict for non fast-forward' ' git checkout -b test-nonforward-a b && if test "$GIT_TEST_MERGE_ALGORITHM" = ort then - test_must_fail git merge c >actual && + test_must_fail git merge c 2>actual && sub_expect="go to submodule (sub), and either merge commit $(git -C sub rev-parse --short sub-c)" && grep "$sub_expect" actual else @@ -154,9 +154,9 @@ test_expect_success 'merging should conflict for non fast-forward (resolution ex git rev-parse --short sub-d > ../expect) && if test "$GIT_TEST_MERGE_ALGORITHM" = ort then - test_must_fail git merge c >actual && + test_must_fail git merge c >actual 2>sub-actual && sub_expect="go to submodule (sub), and either merge commit $(git -C sub rev-parse --short sub-c)" && - grep "$sub_expect" actual + grep "$sub_expect" sub-actual else test_must_fail git merge c 2> actual fi && @@ -181,9 +181,9 @@ test_expect_success 'merging should fail for ambiguous common parent' ' ) && if test "$GIT_TEST_MERGE_ALGORITHM" = ort then - test_must_fail git merge c >actual && + test_must_fail git merge c >actual 2>sub-actual && sub_expect="go to submodule (sub), and either merge commit $(git -C sub rev-parse --short sub-c)" && - grep "$sub_expect" actual + grep "$sub_expect" sub-actual else test_must_fail git merge c 2> actual fi && @@ -227,7 +227,7 @@ test_expect_success 'merging should fail for changes that are backwards' ' git commit -a -m "f" && git checkout -b test-backward e && - test_must_fail git merge f >actual && + test_must_fail git merge f 2>actual && if test "$GIT_TEST_MERGE_ALGORITHM" = ort then sub_expect="go to submodule (sub), and either merge commit $(git -C sub rev-parse --short sub-d)" && @@ -535,7 +535,7 @@ test_expect_success 'merging should fail with no merge base' ' git checkout -b b init && git add sub && git commit -m "b" && - test_must_fail git merge a >actual && + test_must_fail git merge a 2>actual && if test "$GIT_TEST_MERGE_ALGORITHM" = ort then sub_expect="go to submodule (sub), and either merge commit $(git -C sub rev-parse --short HEAD^1)" && diff --git a/t/t7003-filter-branch.sh b/t/t7003-filter-branch.sh index f6aebe92ff..5ab4d41ee7 100755 --- a/t/t7003-filter-branch.sh +++ b/t/t7003-filter-branch.sh @@ -396,10 +396,7 @@ test_expect_success '--prune-empty is able to prune entire branch' ' git branch prune-entire B && git filter-branch -f --prune-empty --index-filter "git update-index --remove A.t B.t" prune-entire && test_must_fail git rev-parse refs/heads/prune-entire && - if test_have_prereq REFFILES - then - test_must_fail git reflog exists refs/heads/prune-entire - fi + test_must_fail git reflog exists refs/heads/prune-entire ' test_expect_success '--remap-to-ancestor with filename filters' ' diff --git a/t/t7105-reset-patch.sh b/t/t7105-reset-patch.sh index 05079c7246..f4f3b7a677 100755 --- a/t/t7105-reset-patch.sh +++ b/t/t7105-reset-patch.sh @@ -5,7 +5,7 @@ test_description='git reset --patch' TEST_PASSES_SANITIZE_LEAK=true . ./lib-patch-mode.sh -test_expect_success PERL 'setup' ' +test_expect_success 'setup' ' mkdir dir && echo parent > dir/foo && echo dummy > bar && @@ -19,42 +19,46 @@ test_expect_success PERL 'setup' ' # note: bar sorts before foo, so the first 'n' is always to skip 'bar' -test_expect_success PERL 'saying "n" does nothing' ' +test_expect_success 'saying "n" does nothing' ' set_and_save_state dir/foo work work && test_write_lines n n | git reset -p && verify_saved_state dir/foo && verify_saved_state bar ' -test_expect_success PERL 'git reset -p' ' - test_write_lines n y | git reset -p >output && - verify_state dir/foo work head && - verify_saved_state bar && - test_grep "Unstage" output -' - -test_expect_success PERL 'git reset -p HEAD^' ' +for opt in "HEAD" "@" "" +do + test_expect_success "git reset -p $opt" ' + set_and_save_state dir/foo work work && + test_write_lines n y | git reset -p $opt >output && + verify_state dir/foo work head && + verify_saved_state bar && + test_grep "Unstage" output + ' +done + +test_expect_success 'git reset -p HEAD^' ' test_write_lines n y | git reset -p HEAD^ >output && verify_state dir/foo work parent && verify_saved_state bar && test_grep "Apply" output ' -test_expect_success PERL 'git reset -p HEAD^^{tree}' ' +test_expect_success 'git reset -p HEAD^^{tree}' ' test_write_lines n y | git reset -p HEAD^^{tree} >output && verify_state dir/foo work parent && verify_saved_state bar && test_grep "Apply" output ' -test_expect_success PERL 'git reset -p HEAD^:dir/foo (blob fails)' ' +test_expect_success 'git reset -p HEAD^:dir/foo (blob fails)' ' set_and_save_state dir/foo work work && test_must_fail git reset -p HEAD^:dir/foo && verify_saved_state dir/foo && verify_saved_state bar ' -test_expect_success PERL 'git reset -p aaaaaaaa (unknown fails)' ' +test_expect_success 'git reset -p aaaaaaaa (unknown fails)' ' set_and_save_state dir/foo work work && test_must_fail git reset -p aaaaaaaa && verify_saved_state dir/foo && @@ -66,27 +70,27 @@ test_expect_success PERL 'git reset -p aaaaaaaa (unknown fails)' ' # dir/foo. There's always an extra 'n' to reject edits to dir/foo in # the failure case (and thus get out of the loop). -test_expect_success PERL 'git reset -p dir' ' +test_expect_success 'git reset -p dir' ' set_state dir/foo work work && test_write_lines y n | git reset -p dir && verify_state dir/foo work head && verify_saved_state bar ' -test_expect_success PERL 'git reset -p -- foo (inside dir)' ' +test_expect_success 'git reset -p -- foo (inside dir)' ' set_state dir/foo work work && test_write_lines y n | (cd dir && git reset -p -- foo) && verify_state dir/foo work head && verify_saved_state bar ' -test_expect_success PERL 'git reset -p HEAD^ -- dir' ' +test_expect_success 'git reset -p HEAD^ -- dir' ' test_write_lines y n | git reset -p HEAD^ -- dir && verify_state dir/foo work parent && verify_saved_state bar ' -test_expect_success PERL 'none of this moved HEAD' ' +test_expect_success 'none of this moved HEAD' ' verify_saved_head ' diff --git a/t/t7106-reset-unborn-branch.sh b/t/t7106-reset-unborn-branch.sh index d20e5709f9..88d1c8adf4 100755 --- a/t/t7106-reset-unborn-branch.sh +++ b/t/t7106-reset-unborn-branch.sh @@ -34,7 +34,7 @@ test_expect_success 'reset $file' ' test_cmp expect actual ' -test_expect_success PERL 'reset -p' ' +test_expect_success 'reset -p' ' rm .git/index && git add a && echo y >yes && diff --git a/t/t7300-clean.sh b/t/t7300-clean.sh index 611b3dd3ae..1f7201eb60 100755 --- a/t/t7300-clean.sh +++ b/t/t7300-clean.sh @@ -407,6 +407,12 @@ test_expect_success 'clean.requireForce and -f' ' ' +test_expect_success 'clean.requireForce and --interactive' ' + git clean --interactive </dev/null >output 2>error && + test_grep ! "requireForce is true and" error && + test_grep "\*\*\* Commands \*\*\*" output +' + test_expect_success 'core.excludesfile' ' echo excludes >excludes && diff --git a/t/t7301-clean-interactive.sh b/t/t7301-clean-interactive.sh index d82a3210a1..4afe53c66a 100755 --- a/t/t7301-clean-interactive.sh +++ b/t/t7301-clean-interactive.sh @@ -25,18 +25,18 @@ test_expect_success 'git clean -i (c: clean hotkey)' ' touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \ docs/manual.txt obj.o build/lib.so && echo c | git clean -i && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test -f docs/manual.txt && - test ! -f src/part3.c && - test ! -f src/part3.h && - test ! -f src/part4.c && - test ! -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_file docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_missing src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -46,18 +46,18 @@ test_expect_success 'git clean -i (cl: clean prefix)' ' touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \ docs/manual.txt obj.o build/lib.so && echo cl | git clean -i && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test -f docs/manual.txt && - test ! -f src/part3.c && - test ! -f src/part3.h && - test ! -f src/part4.c && - test ! -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_file docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_missing src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -67,18 +67,18 @@ test_expect_success 'git clean -i (quit)' ' touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \ docs/manual.txt obj.o build/lib.so && echo quit | git clean -i && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test -f docs/manual.txt && - test -f src/part3.c && - test -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_file docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_file src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -88,18 +88,18 @@ test_expect_success 'git clean -i (Ctrl+D)' ' touch a.out src/part3.c src/part3.h src/part4.c src/part4.h \ docs/manual.txt obj.o build/lib.so && echo "\04" | git clean -i && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test -f docs/manual.txt && - test -f src/part3.c && - test -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_file docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_file src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -110,18 +110,18 @@ test_expect_success 'git clean -id (filter all)' ' docs/manual.txt obj.o build/lib.so && test_write_lines f "*" "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test -f docs/manual.txt && - test -f src/part3.c && - test -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_file docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_file src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -132,18 +132,18 @@ test_expect_success 'git clean -id (filter patterns)' ' docs/manual.txt obj.o build/lib.so && test_write_lines f "part3.* *.out" "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test ! -f docs/manual.txt && - test -f src/part3.c && - test -f src/part3.h && - test ! -f src/part4.c && - test ! -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_missing docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_file src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_missing src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -154,18 +154,18 @@ test_expect_success 'git clean -id (filter patterns 2)' ' docs/manual.txt obj.o build/lib.so && test_write_lines f "* !*.out" "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test -f docs/manual.txt && - test -f src/part3.c && - test -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_file docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_file src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -176,18 +176,18 @@ test_expect_success 'git clean -id (select - all)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s "*" "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test ! -f docs/manual.txt && - test ! -f src/part3.c && - test ! -f src/part3.h && - test ! -f src/part4.c && - test ! -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_missing docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_missing src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -198,18 +198,18 @@ test_expect_success 'git clean -id (select - none)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test -f docs/manual.txt && - test -f src/part3.c && - test -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_file docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_file src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -220,18 +220,18 @@ test_expect_success 'git clean -id (select - number)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s 3 "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test -f docs/manual.txt && - test ! -f src/part3.c && - test -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_file docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_file src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -242,18 +242,18 @@ test_expect_success 'git clean -id (select - number 2)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s "2 3" 5 "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test ! -f docs/manual.txt && - test ! -f src/part3.c && - test -f src/part3.h && - test ! -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_missing docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_file src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -264,18 +264,18 @@ test_expect_success 'git clean -id (select - number 3)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s "3,4 5" "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test -f docs/manual.txt && - test ! -f src/part3.c && - test ! -f src/part3.h && - test ! -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_file docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -285,11 +285,11 @@ test_expect_success 'git clean -id (select - filenames)' ' touch a.out foo.txt bar.txt baz.txt && test_write_lines s "a.out fo ba bar" "" c | git clean -id && - test -f Makefile && - test ! -f a.out && - test ! -f foo.txt && - test ! -f bar.txt && - test -f baz.txt && + test_path_is_file Makefile && + test_path_is_missing a.out && + test_path_is_missing foo.txt && + test_path_is_missing bar.txt && + test_path_is_file baz.txt && rm baz.txt ' @@ -301,18 +301,18 @@ test_expect_success 'git clean -id (select - range)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s "1,3-4" 2 "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test ! -f src/part3.c && - test ! -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test ! -f docs/manual.txt && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_missing src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_missing docs/manual.txt && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -323,18 +323,18 @@ test_expect_success 'git clean -id (select - range 2)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s "4- 1" "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test -f docs/manual.txt && - test -f src/part3.c && - test ! -f src/part3.h && - test ! -f src/part4.c && - test ! -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_file docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_missing src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -345,18 +345,18 @@ test_expect_success 'git clean -id (inverse select)' ' docs/manual.txt obj.o build/lib.so && test_write_lines s "*" "-5- 1 -2" "" c | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test -f docs/manual.txt && - test ! -f src/part3.c && - test ! -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_file docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -367,18 +367,18 @@ test_expect_success 'git clean -id (ask)' ' docs/manual.txt obj.o build/lib.so && test_write_lines a Y y no yes bad "" | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test ! -f docs/manual.txt && - test -f src/part3.c && - test ! -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_missing docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -389,18 +389,18 @@ test_expect_success 'git clean -id (ask - Ctrl+D)' ' docs/manual.txt obj.o build/lib.so && test_write_lines a Y no yes "\04" | git clean -id && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test -f docs/manual.txt && - test ! -f src/part3.c && - test -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_file docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_file src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -412,18 +412,18 @@ test_expect_success 'git clean -id with prefix and path (filter)' ' (cd build/ && test_write_lines f docs "*.h" "" c | git clean -id ..) && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test -f docs/manual.txt && - test ! -f src/part3.c && - test -f src/part3.h && - test ! -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_file docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_file src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -435,18 +435,18 @@ test_expect_success 'git clean -id with prefix and path (select by name)' ' (cd build/ && test_write_lines s ../docs/ ../src/part3.c ../src/part4.c "" c | git clean -id ..) && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test -f a.out && - test ! -f docs/manual.txt && - test ! -f src/part3.c && - test -f src/part3.h && - test ! -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_file a.out && + test_path_is_missing docs/manual.txt && + test_path_is_missing src/part3.c && + test_path_is_file src/part3.h && + test_path_is_missing src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' @@ -458,18 +458,18 @@ test_expect_success 'git clean -id with prefix and path (ask)' ' (cd build/ && test_write_lines a Y y no yes bad "" | git clean -id ..) && - test -f Makefile && - test -f README && - test -f src/part1.c && - test -f src/part2.c && - test ! -f a.out && - test ! -f docs/manual.txt && - test -f src/part3.c && - test ! -f src/part3.h && - test -f src/part4.c && - test -f src/part4.h && - test -f obj.o && - test -f build/lib.so + test_path_is_file Makefile && + test_path_is_file README && + test_path_is_file src/part1.c && + test_path_is_file src/part2.c && + test_path_is_missing a.out && + test_path_is_missing docs/manual.txt && + test_path_is_file src/part3.c && + test_path_is_missing src/part3.h && + test_path_is_file src/part4.c && + test_path_is_file src/part4.h && + test_path_is_file obj.o && + test_path_is_file build/lib.so ' diff --git a/t/t7402-submodule-rebase.sh b/t/t7402-submodule-rebase.sh index 2b3c363078..aa2fdc31d1 100755 --- a/t/t7402-submodule-rebase.sh +++ b/t/t7402-submodule-rebase.sh @@ -116,7 +116,7 @@ test_expect_success 'rebasing submodule that should conflict' ' test_tick && git commit -m fourth && - test_must_fail git rebase --onto HEAD^^ HEAD^ HEAD^0 >actual_output && + test_must_fail git rebase --onto HEAD^^ HEAD^ HEAD^0 2>actual_output && git ls-files -s submodule >actual && ( cd submodule && diff --git a/t/t7502-commit-porcelain.sh b/t/t7502-commit-porcelain.sh index a87c211d0b..b37e2018a7 100755 --- a/t/t7502-commit-porcelain.sh +++ b/t/t7502-commit-porcelain.sh @@ -736,6 +736,11 @@ test_expect_success 'message shows date when it is explicitly set' ' .git/COMMIT_EDITMSG ' +test_expect_success 'message does not have multiple scissors lines' ' + git commit --cleanup=scissors -v --allow-empty -e -m foo && + test $(grep -c -e "--- >8 ---" .git/COMMIT_EDITMSG) -eq 1 +' + test_expect_success AUTOIDENT 'message shows committer when it is automatic' ' echo >>negative && diff --git a/t/t7508-status.sh b/t/t7508-status.sh index a3c18a4fc2..e9afa59968 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 $normal && + git status >output && + test_cmp expect output + ' +done cat >expect <<EOF M dir1/modified diff --git a/t/t7513-interpret-trailers.sh b/t/t7513-interpret-trailers.sh index ec9c6de114..3d3e13ccf8 100755 --- a/t/t7513-interpret-trailers.sh +++ b/t/t7513-interpret-trailers.sh @@ -1935,4 +1935,18 @@ test_expect_success 'suppressing --- does not disable cut-line handling' ' test_cmp expected actual ' +test_expect_success 'handling of --- lines in conjunction with cut-lines' ' + echo "my-trailer: here" >expected && + + git interpret-trailers --parse >actual <<-\EOF && + subject + + my-trailer: here + --- + # ------------------------ >8 ------------------------ + EOF + + test_cmp expected actual +' + test_done diff --git a/t/t7514-commit-patch.sh b/t/t7514-commit-patch.sh index 998a2103c7..b4de10a5dd 100755 --- a/t/t7514-commit-patch.sh +++ b/t/t7514-commit-patch.sh @@ -3,12 +3,6 @@ test_description='hunk edit with "commit -p -m"' . ./test-lib.sh -if ! test_have_prereq PERL -then - skip_all="skipping '$test_description' tests, perl not available" - test_done -fi - test_expect_success 'setup (initial)' ' echo line1 >file && git add file && diff --git a/t/t7527-builtin-fsmonitor.sh b/t/t7527-builtin-fsmonitor.sh index 363f9dc0e4..730f3c7f81 100755 --- a/t/t7527-builtin-fsmonitor.sh +++ b/t/t7527-builtin-fsmonitor.sh @@ -1037,4 +1037,227 @@ test_expect_success 'split-index and FSMonitor work well together' ' ) ' +# The FSMonitor daemon reports the OBSERVED pathname of modified files +# and thus contains the OBSERVED spelling on case-insensitive file +# systems. The daemon does not (and should not) load the .git/index +# file and therefore does not know the expected case-spelling. Since +# it is possible for the user to create files/subdirectories with the +# incorrect case, a modified file event for a tracked will not have +# the EXPECTED case. This can cause `index_name_pos()` to incorrectly +# report that the file is untracked. This causes the client to fail to +# mark the file as possibly dirty (keeping the CE_FSMONITOR_VALID bit +# set) so that `git status` will avoid inspecting it and thus not +# present in the status output. +# +# The setup is a little contrived. +# +test_expect_success CASE_INSENSITIVE_FS 'fsmonitor subdir case wrong on disk' ' + test_when_finished "stop_daemon_delete_repo subdir_case_wrong" && + + git init subdir_case_wrong && + ( + cd subdir_case_wrong && + echo x >AAA && + echo x >BBB && + + mkdir dir1 && + echo x >dir1/file1 && + mkdir dir1/dir2 && + echo x >dir1/dir2/file2 && + mkdir dir1/dir2/dir3 && + echo x >dir1/dir2/dir3/file3 && + + echo x >yyy && + echo x >zzz && + git add . && + git commit -m "data" && + + # This will cause "dir1/" and everything under it + # to be deleted. + git sparse-checkout set --cone --sparse-index && + + # Create dir2 with the wrong case and then let Git + # repopulate dir3 -- it will not correct the spelling + # of dir2. + mkdir dir1 && + mkdir dir1/DIR2 && + git sparse-checkout add dir1/dir2/dir3 + ) && + + start_daemon -C subdir_case_wrong --tf "$PWD/subdir_case_wrong.trace" && + + # Enable FSMonitor in the client. Run enough commands for + # the .git/index to sync up with the daemon with everything + # marked clean. + git -C subdir_case_wrong config core.fsmonitor true && + git -C subdir_case_wrong update-index --fsmonitor && + git -C subdir_case_wrong status && + + # Make some files dirty so that FSMonitor gets FSEvents for + # each of them. + echo xx >>subdir_case_wrong/AAA && + echo xx >>subdir_case_wrong/dir1/DIR2/dir3/file3 && + echo xx >>subdir_case_wrong/zzz && + + GIT_TRACE_FSMONITOR="$PWD/subdir_case_wrong.log" \ + git -C subdir_case_wrong --no-optional-locks status --short \ + >"$PWD/subdir_case_wrong.out" && + + # "git status" should have gotten file events for each of + # the 3 files. + # + # "dir2" should be in the observed case on disk. + grep "fsmonitor_refresh_callback" \ + <"$PWD/subdir_case_wrong.log" \ + >"$PWD/subdir_case_wrong.log1" && + + grep -q "AAA.*pos 0" "$PWD/subdir_case_wrong.log1" && + grep -q "zzz.*pos 6" "$PWD/subdir_case_wrong.log1" && + + grep -q "dir1/DIR2/dir3/file3.*pos -3" "$PWD/subdir_case_wrong.log1" && + + # Verify that we get a mapping event to correct the case. + grep -q "MAP:.*dir1/DIR2/dir3/file3.*dir1/dir2/dir3/file3" \ + "$PWD/subdir_case_wrong.log1" && + + # The refresh-callbacks should have caused "git status" to clear + # the CE_FSMONITOR_VALID bit on each of those files and caused + # the worktree scan to visit them and mark them as modified. + grep -q " M AAA" "$PWD/subdir_case_wrong.out" && + grep -q " M zzz" "$PWD/subdir_case_wrong.out" && + grep -q " M dir1/dir2/dir3/file3" "$PWD/subdir_case_wrong.out" +' + +test_expect_success CASE_INSENSITIVE_FS 'fsmonitor file case wrong on disk' ' + test_when_finished "stop_daemon_delete_repo file_case_wrong" && + + git init file_case_wrong && + ( + cd file_case_wrong && + echo x >AAA && + echo x >BBB && + + mkdir dir1 && + mkdir dir1/dir2 && + mkdir dir1/dir2/dir3 && + echo x >dir1/dir2/dir3/FILE-3-B && + echo x >dir1/dir2/dir3/XXXX-3-X && + echo x >dir1/dir2/dir3/file-3-a && + echo x >dir1/dir2/dir3/yyyy-3-y && + mkdir dir1/dir2/dir4 && + echo x >dir1/dir2/dir4/FILE-4-A && + echo x >dir1/dir2/dir4/XXXX-4-X && + echo x >dir1/dir2/dir4/file-4-b && + echo x >dir1/dir2/dir4/yyyy-4-y && + + echo x >yyy && + echo x >zzz && + git add . && + git commit -m "data" + ) && + + start_daemon -C file_case_wrong --tf "$PWD/file_case_wrong.trace" && + + # Enable FSMonitor in the client. Run enough commands for + # the .git/index to sync up with the daemon with everything + # marked clean. + git -C file_case_wrong config core.fsmonitor true && + git -C file_case_wrong update-index --fsmonitor && + git -C file_case_wrong status && + + # Make some files dirty so that FSMonitor gets FSEvents for + # each of them. + echo xx >>file_case_wrong/AAA && + echo xx >>file_case_wrong/zzz && + + # Rename some files so that FSMonitor sees a create and delete + # FSEvent for each. (A simple "mv foo FOO" is not portable + # between macOS and Windows. It works on both platforms, but makes + # the test messy, since (1) one platform updates "ctime" on the + # moved file and one does not and (2) it causes a directory event + # on one platform and not on the other which causes additional + # scanning during "git status" which causes a "H" vs "h" discrepancy + # in "git ls-files -f".) So old-school it and move it out of the + # way and copy it to the case-incorrect name so that we get fresh + # "ctime" and "mtime" values. + + mv file_case_wrong/dir1/dir2/dir3/file-3-a file_case_wrong/dir1/dir2/dir3/ORIG && + cp file_case_wrong/dir1/dir2/dir3/ORIG file_case_wrong/dir1/dir2/dir3/FILE-3-A && + rm file_case_wrong/dir1/dir2/dir3/ORIG && + mv file_case_wrong/dir1/dir2/dir4/FILE-4-A file_case_wrong/dir1/dir2/dir4/ORIG && + cp file_case_wrong/dir1/dir2/dir4/ORIG file_case_wrong/dir1/dir2/dir4/file-4-a && + rm file_case_wrong/dir1/dir2/dir4/ORIG && + + # Run status enough times to fully sync. + # + # The first instance should get the create and delete FSEvents + # for each pair. Status should update the index with a new FSM + # token (so the next invocation will not see data for these + # events). + + GIT_TRACE_FSMONITOR="$PWD/file_case_wrong-try1.log" \ + git -C file_case_wrong status --short \ + >"$PWD/file_case_wrong-try1.out" && + grep -q "fsmonitor_refresh_callback.*FILE-3-A.*pos -3" "$PWD/file_case_wrong-try1.log" && + grep -q "fsmonitor_refresh_callback.*file-3-a.*pos 4" "$PWD/file_case_wrong-try1.log" && + grep -q "fsmonitor_refresh_callback.*FILE-4-A.*pos 6" "$PWD/file_case_wrong-try1.log" && + grep -q "fsmonitor_refresh_callback.*file-4-a.*pos -9" "$PWD/file_case_wrong-try1.log" && + + # FSM refresh will have invalidated the FSM bit and cause a regular + # (real) scan of these tracked files, so they should have "H" status. + # (We will not see a "h" status until the next refresh (on the next + # command).) + + git -C file_case_wrong ls-files -f >"$PWD/file_case_wrong-lsf1.out" && + grep -q "H dir1/dir2/dir3/file-3-a" "$PWD/file_case_wrong-lsf1.out" && + grep -q "H dir1/dir2/dir4/FILE-4-A" "$PWD/file_case_wrong-lsf1.out" && + + + # Try the status again. We assume that the above status command + # advanced the token so that the next one will not see those events. + + GIT_TRACE_FSMONITOR="$PWD/file_case_wrong-try2.log" \ + git -C file_case_wrong status --short \ + >"$PWD/file_case_wrong-try2.out" && + ! grep -q "fsmonitor_refresh_callback.*FILE-3-A.*pos" "$PWD/file_case_wrong-try2.log" && + ! grep -q "fsmonitor_refresh_callback.*file-3-a.*pos" "$PWD/file_case_wrong-try2.log" && + ! grep -q "fsmonitor_refresh_callback.*FILE-4-A.*pos" "$PWD/file_case_wrong-try2.log" && + ! grep -q "fsmonitor_refresh_callback.*file-4-a.*pos" "$PWD/file_case_wrong-try2.log" && + + # FSM refresh saw nothing, so it will mark all files as valid, + # so they should now have "h" status. + + git -C file_case_wrong ls-files -f >"$PWD/file_case_wrong-lsf2.out" && + grep -q "h dir1/dir2/dir3/file-3-a" "$PWD/file_case_wrong-lsf2.out" && + grep -q "h dir1/dir2/dir4/FILE-4-A" "$PWD/file_case_wrong-lsf2.out" && + + + # We now have files with clean content, but with case-incorrect + # file names. Modify them to see if status properly reports + # them. + + echo xx >>file_case_wrong/dir1/dir2/dir3/FILE-3-A && + echo xx >>file_case_wrong/dir1/dir2/dir4/file-4-a && + + GIT_TRACE_FSMONITOR="$PWD/file_case_wrong-try3.log" \ + git -C file_case_wrong --no-optional-locks status --short \ + >"$PWD/file_case_wrong-try3.out" && + + # Verify that we get a mapping event to correct the case. + grep -q "fsmonitor_refresh_callback MAP:.*dir1/dir2/dir3/FILE-3-A.*dir1/dir2/dir3/file-3-a" \ + "$PWD/file_case_wrong-try3.log" && + grep -q "fsmonitor_refresh_callback MAP:.*dir1/dir2/dir4/file-4-a.*dir1/dir2/dir4/FILE-4-A" \ + "$PWD/file_case_wrong-try3.log" && + + # FSEvents are in observed case. + grep -q "fsmonitor_refresh_callback.*FILE-3-A.*pos -3" "$PWD/file_case_wrong-try3.log" && + grep -q "fsmonitor_refresh_callback.*file-4-a.*pos -9" "$PWD/file_case_wrong-try3.log" && + + # The refresh-callbacks should have caused "git status" to clear + # the CE_FSMONITOR_VALID bit on each of those files and caused + # the worktree scan to visit them and mark them as modified. + grep -q " M dir1/dir2/dir3/file-3-a" "$PWD/file_case_wrong-try3.out" && + grep -q " M dir1/dir2/dir4/FILE-4-A" "$PWD/file_case_wrong-try3.out" +' + test_done diff --git a/t/t7704-repack-cruft.sh b/t/t7704-repack-cruft.sh index be3735dff0..71e1ef3a10 100755 --- a/t/t7704-repack-cruft.sh +++ b/t/t7704-repack-cruft.sh @@ -48,7 +48,7 @@ test_expect_success '--expire-to stores pruned objects (now)' ' # ...in other words, the combined contents of this # repository and expired.git should be the same as the # set of objects we started with. - cat expired.objects remaining.objects | sort >actual && + sort expired.objects remaining.objects >actual && test_cmp expect actual && # The "moved" objects (i.e., those in expired.git) diff --git a/t/t7800-difftool.sh b/t/t7800-difftool.sh index 6a36be1e63..96ae5d5880 100755 --- a/t/t7800-difftool.sh +++ b/t/t7800-difftool.sh @@ -91,58 +91,67 @@ test_expect_success 'difftool forwards arguments to diff' ' rm for-diff ' -test_expect_success 'difftool ignores exit code' ' - test_config difftool.error.cmd false && - git difftool -y -t error branch -' +for opt in '' '--dir-diff' +do + test_expect_success "difftool ${opt} ignores exit code" " + test_config difftool.error.cmd false && + git difftool ${opt} -y -t error branch + " -test_expect_success 'difftool forwards exit code with --trust-exit-code' ' - test_config difftool.error.cmd false && - test_must_fail git difftool -y --trust-exit-code -t error branch -' + test_expect_success "difftool ${opt} 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 forwards exit code with --trust-exit-code for built-ins' ' - test_config difftool.vimdiff.path false && - test_must_fail git difftool -y --trust-exit-code -t vimdiff branch -' + test_expect_success "difftool ${opt} 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 honors difftool.trustExitCode = true' ' - test_config difftool.error.cmd false && - test_config difftool.trustExitCode true && - test_must_fail git difftool -y -t error branch -' + test_expect_success "difftool ${opt} 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 honors difftool.trustExitCode = false' ' - test_config difftool.error.cmd false && - test_config difftool.trustExitCode false && - git difftool -y -t error branch -' + test_expect_success "difftool ${opt} 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 ignores exit code with --no-trust-exit-code' ' - test_config difftool.error.cmd false && - test_config difftool.trustExitCode true && - git difftool -y --no-trust-exit-code -t error branch -' + test_expect_success "difftool ${opt} 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 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 - EOF - >for-diff && - git add for-diff && - test_must_fail git difftool -y --trust-exit-code \ - --extcmd .git/fail-right-file branch >actual && - test_line_count = 1 actual -' + 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' && + write_script .git/fail-right-file <<-\EOF && + echo failed + exit 1 + EOF + >for-diff && + git add for-diff && + 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 honors exit status if command not found' ' - test_config difftool.nonexistent.cmd i-dont-exist && - test_config difftool.trustExitCode false && - test_must_fail git difftool -y -t nonexistent branch -' + test_expect_success "difftool ${opt} honors exit status if command not found" " + test_config difftool.nonexistent.cmd i-dont-exist && + test_config difftool.trustExitCode false && + if test "${opt}" = '--dir-diff' + then + expected_code=127 + else + expected_code=128 + fi && + test_expect_code \${expected_code} git difftool ${opt} -y -t nonexistent branch + " +done test_expect_success 'difftool honors --gui' ' difftool_test_setup && diff --git a/t/t8010-cat-file-filters.sh b/t/t8010-cat-file-filters.sh index ca04242ca0..eb64b766bd 100755 --- a/t/t8010-cat-file-filters.sh +++ b/t/t8010-cat-file-filters.sh @@ -43,7 +43,7 @@ test_expect_success 'cat-file --textconv --path=<path> works' ' sha1=$(git rev-parse -q --verify HEAD:world.txt) && test_config diff.txt.textconv "tr A-Za-z N-ZA-Mn-za-m <" && git cat-file --textconv --path=hello.txt $sha1 >rot13 && - test uryyb = "$(cat rot13 | remove_cr)" + test uryyb = "$(remove_cr <rot13)" ' test_expect_success '--path=<path> complains without --textconv/--filters' ' diff --git a/t/t8013-blame-ignore-revs.sh b/t/t8013-blame-ignore-revs.sh index 9a03b0f361..dbfbd86e83 100755 --- a/t/t8013-blame-ignore-revs.sh +++ b/t/t8013-blame-ignore-revs.sh @@ -25,11 +25,11 @@ test_expect_success setup ' git blame --line-porcelain file >blame_raw && - grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 1/s/ .*//p" blame_raw >actual && git rev-parse X >expect && test_cmp expect actual && - grep -E "^[0-9a-f]+ [0-9]+ 2" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 2/s/ .*//p" blame_raw >actual && git rev-parse X >expect && test_cmp expect actual ' @@ -53,11 +53,11 @@ do test_expect_success "ignore_rev_changing_lines ($I)" ' git blame --line-porcelain --ignore-rev $I file >blame_raw && - grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 1/s/ .*//p" blame_raw >actual && git rev-parse A >expect && test_cmp expect actual && - grep -E "^[0-9a-f]+ [0-9]+ 2" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 2/s/ .*//p" blame_raw >actual && git rev-parse B >expect && test_cmp expect actual ' @@ -79,10 +79,10 @@ test_expect_success ignore_rev_adding_unblamable_lines ' git rev-parse Y >expect && git blame --line-porcelain file --ignore-rev Y >blame_raw && - grep -E "^[0-9a-f]+ [0-9]+ 3" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 3/s/ .*//p" blame_raw >actual && test_cmp expect actual && - grep -E "^[0-9a-f]+ [0-9]+ 4" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 4/s/ .*//p" blame_raw >actual && test_cmp expect actual ' @@ -92,11 +92,11 @@ test_expect_success ignore_revs_from_files ' git rev-parse Y >ignore_y && git blame --line-porcelain file --ignore-revs-file ignore_x --ignore-revs-file ignore_y >blame_raw && - grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 1/s/ .*//p" blame_raw >actual && git rev-parse A >expect && test_cmp expect actual && - grep -E "^[0-9a-f]+ [0-9]+ 2" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 2/s/ .*//p" blame_raw >actual && git rev-parse B >expect && test_cmp expect actual ' @@ -106,11 +106,11 @@ test_expect_success ignore_revs_from_configs_and_files ' git config --add blame.ignoreRevsFile ignore_x && git blame --line-porcelain file --ignore-revs-file ignore_y >blame_raw && - grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 1/s/ .*//p" blame_raw >actual && git rev-parse A >expect && test_cmp expect actual && - grep -E "^[0-9a-f]+ [0-9]+ 2" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 2/s/ .*//p" blame_raw >actual && git rev-parse B >expect && test_cmp expect actual ' @@ -121,10 +121,10 @@ test_expect_success override_ignore_revs_file ' git blame --line-porcelain file --ignore-revs-file "" --ignore-revs-file ignore_y >blame_raw && git rev-parse X >expect && - grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 1/s/ .*//p" blame_raw >actual && test_cmp expect actual && - grep -E "^[0-9a-f]+ [0-9]+ 2" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 2/s/ .*//p" blame_raw >actual && test_cmp expect actual ' test_expect_success bad_files_and_revs ' @@ -279,11 +279,11 @@ test_expect_success ignore_merge ' test_merge M B && git blame --line-porcelain file --ignore-rev M >blame_raw && - grep -E "^[0-9a-f]+ [0-9]+ 1" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 1/s/ .*//p" blame_raw >actual && git rev-parse B >expect && test_cmp expect actual && - grep -E "^[0-9a-f]+ [0-9]+ 9" blame_raw | sed -e "s/ .*//" >actual && + sed -ne "/^[0-9a-f][0-9a-f]* [0-9][0-9]* 9/s/ .*//p" blame_raw >actual && git rev-parse C >expect && test_cmp expect actual ' diff --git a/t/t9002-column.sh b/t/t9002-column.sh index 348cc40658..d5b98e615b 100755 --- a/t/t9002-column.sh +++ b/t/t9002-column.sh @@ -196,4 +196,15 @@ EOF test_cmp expected actual ' +test_expect_success 'padding must be non-negative' ' + cat >input <<\EOF && +1 2 3 4 5 6 +EOF + cat >expected <<\EOF && +fatal: --padding must be non-negative +EOF + test_must_fail git column --mode=column --padding=-1 <input >actual 2>&1 && + test_cmp expected actual +' + test_done diff --git a/t/t9117-git-svn-init-clone.sh b/t/t9117-git-svn-init-clone.sh index 62de819a44..3b038c338f 100755 --- a/t/t9117-git-svn-init-clone.sh +++ b/t/t9117-git-svn-init-clone.sh @@ -17,32 +17,32 @@ test_expect_success 'setup svnrepo' ' test_expect_success 'basic clone' ' test ! -d trunk && git svn clone "$svnrepo"/project/trunk && - test -d trunk/.git/svn && - test -e trunk/foo && + test_path_is_dir trunk/.git/svn && + test_path_exists trunk/foo && rm -rf trunk ' test_expect_success 'clone to target directory' ' test ! -d target && git svn clone "$svnrepo"/project/trunk target && - test -d target/.git/svn && - test -e target/foo && + test_path_is_dir target/.git/svn && + test_path_exists target/foo && rm -rf target ' test_expect_success 'clone with --stdlayout' ' test ! -d project && git svn clone -s "$svnrepo"/project && - test -d project/.git/svn && - test -e project/foo && + test_path_is_dir project/.git/svn && + test_path_exists project/foo && rm -rf project ' test_expect_success 'clone to target directory with --stdlayout' ' test ! -d target && git svn clone -s "$svnrepo"/project target && - test -d target/.git/svn && - test -e target/foo && + test_path_is_dir target/.git/svn && + test_path_exists target/foo && rm -rf target ' diff --git a/t/t9118-git-svn-funky-branch-names.sh b/t/t9118-git-svn-funky-branch-names.sh index a159ff96b7..d3261e35b8 100755 --- a/t/t9118-git-svn-funky-branch-names.sh +++ b/t/t9118-git-svn-funky-branch-names.sh @@ -38,7 +38,7 @@ test_expect_success 'setup svnrepo' ' # SVN 1.7 will truncate "not-a%40{0]" to just "not-a". # Look at what SVN wound up naming the branch and use that. # Be sure to escape the @ if it shows up. -non_reflog=$(svn_cmd ls "$svnrepo/pr ject/branches" | grep not-a | sed 's/\///' | sed 's/@/%40/') +non_reflog=$(svn_cmd ls "$svnrepo/pr ject/branches" | sed -ne '/not-a/ { s/\///; s/@/%40/; p }') test_expect_success 'test clone with funky branch names' ' git svn clone -s "$svnrepo/pr ject" project && diff --git a/t/t9146-git-svn-empty-dirs.sh b/t/t9146-git-svn-empty-dirs.sh index 09606f1b3c..926ac81439 100755 --- a/t/t9146-git-svn-empty-dirs.sh +++ b/t/t9146-git-svn-empty-dirs.sh @@ -20,11 +20,7 @@ test_expect_success 'empty directories exist' ' cd cloned && for i in a b c d d/e d/e/f "weird file name" do - if ! test -d "$i" - then - echo >&2 "$i does not exist" && - exit 1 - fi + test_path_is_dir "$i" || exit 1 done ) ' @@ -37,11 +33,7 @@ test_expect_success 'option automkdirs set to false' ' git svn fetch && for i in a b c d d/e d/e/f "weird file name" do - if test -d "$i" - then - echo >&2 "$i exists" && - exit 1 - fi + test_path_is_missing "$i" || exit 1 done ) ' @@ -52,7 +44,7 @@ test_expect_success 'more emptiness' ' test_expect_success 'git svn rebase creates empty directory' ' ( cd cloned && git svn rebase ) && - test -d cloned/"! !" + test_path_is_dir cloned/"! !" ' test_expect_success 'git svn mkdirs recreates empty directories' ' @@ -62,11 +54,7 @@ test_expect_success 'git svn mkdirs recreates empty directories' ' git svn mkdirs && for i in a b c d d/e d/e/f "weird file name" "! !" do - if ! test -d "$i" - then - echo >&2 "$i does not exist" && - exit 1 - fi + test_path_is_dir "$i" || exit 1 done ) ' @@ -78,25 +66,13 @@ test_expect_success 'git svn mkdirs -r works' ' git svn mkdirs -r7 && for i in a b c d d/e d/e/f "weird file name" do - if ! test -d "$i" - then - echo >&2 "$i does not exist" && - exit 1 - fi + test_path_is_dir "$i" || exit 1 done && - if test -d "! !" - then - echo >&2 "$i should not exist" && - exit 1 - fi && + test_path_is_missing "! !" || exit 1 && git svn mkdirs -r8 && - if ! test -d "! !" - then - echo >&2 "$i not exist" && - exit 1 - fi + test_path_is_dir "! !" || exit 1 ) ' @@ -114,11 +90,7 @@ test_expect_success 'empty directories in trunk exist' ' cd trunk && for i in a "weird file name" do - if ! test -d "$i" - then - echo >&2 "$i does not exist" && - exit 1 - fi + test_path_is_dir "$i" || exit 1 done ) ' @@ -129,7 +101,7 @@ test_expect_success 'remove a top-level directory from svn' ' test_expect_success 'removed top-level directory does not exist' ' git svn clone "$svnrepo" removed && - test ! -e removed/d + test_path_is_missing removed/d ' unhandled=.git/svn/refs/remotes/git-svn/unhandled.log @@ -143,15 +115,11 @@ test_expect_success 'git svn gc-ed files work' ' svn_cmd mkdir -m gz "$svnrepo"/gz && git reset --hard $(git rev-list HEAD | tail -1) && git svn rebase && - test -f "$unhandled".gz && - test -f "$unhandled" && + test_path_is_file "$unhandled".gz && + test_path_is_file "$unhandled" && for i in a b c "weird file name" gz "! !" do - if ! test -d "$i" - then - echo >&2 "$i does not exist" && - exit 1 - fi + test_path_is_dir "$i" || exit 1 done fi ) diff --git a/t/t9210-scalar.sh b/t/t9210-scalar.sh index 4432a30d10..428339e342 100755 --- a/t/t9210-scalar.sh +++ b/t/t9210-scalar.sh @@ -154,7 +154,14 @@ test_expect_success 'scalar clone' ' test_cmp expect actual && test_path_is_missing 1/2 && - test_must_fail git rev-list --missing=print $second && + + # This relies on the fact that the presence of "--missing" + # on the command line forces lazy fetching off before + # "$second^{blob}" gets parsed. Without "^{blob}", a + # bare object name "$second" is taken into the queue and + # the command may not fail with a fixed "rev-list --missing". + test_must_fail git rev-list --missing=print "$second^{blob}" -- && + git rev-list $second && git cat-file blob $second >actual && echo "second" >expect && diff --git a/t/t9300-fast-import.sh b/t/t9300-fast-import.sh index dbb5042b0b..60e30fed3c 100755 --- a/t/t9300-fast-import.sh +++ b/t/t9300-fast-import.sh @@ -986,7 +986,7 @@ test_expect_success 'L: nested tree copy does not corrupt deltas' ' test_when_finished "git update-ref -d refs/heads/L2" && git fast-import <input && git ls-tree L2 g/b/ >tmp && - cat tmp | cut -f 2 >actual && + cut -f 2 <tmp >actual && test_cmp expect actual && git fsck $(git rev-parse L2) ' @@ -2007,12 +2007,11 @@ test_expect_success 'Q: verify first notes commit' ' ' test_expect_success 'Q: verify first notes tree' ' - cat >expect.unsorted <<-EOF && + sort >expect <<-EOF && 100644 blob $commit1 100644 blob $commit2 100644 blob $commit3 EOF - cat expect.unsorted | sort >expect && git cat-file -p refs/notes/foobar~2^{tree} | sed "s/ [0-9a-f]* / /" >actual && test_cmp expect actual ' @@ -2048,12 +2047,11 @@ test_expect_success 'Q: verify second notes commit' ' ' test_expect_success 'Q: verify second notes tree' ' - cat >expect.unsorted <<-EOF && + sort >expect <<-EOF && 100644 blob $commit1 100644 blob $commit2 100644 blob $commit3 EOF - cat expect.unsorted | sort >expect && git cat-file -p refs/notes/foobar^^{tree} | sed "s/ [0-9a-f]* / /" >actual && test_cmp expect actual ' @@ -2088,10 +2086,9 @@ test_expect_success 'Q: verify third notes commit' ' ' test_expect_success 'Q: verify third notes tree' ' - cat >expect.unsorted <<-EOF && + sort >expect <<-EOF && 100644 blob $commit1 EOF - cat expect.unsorted | sort >expect && git cat-file -p refs/notes/foobar2^{tree} | sed "s/ [0-9a-f]* / /" >actual && test_cmp expect actual ' @@ -2115,10 +2112,9 @@ test_expect_success 'Q: verify fourth notes commit' ' ' test_expect_success 'Q: verify fourth notes tree' ' - cat >expect.unsorted <<-EOF && + sort >expect <<-EOF && 100644 blob $commit2 EOF - cat expect.unsorted | sort >expect && git cat-file -p refs/notes/foobar^{tree} | sed "s/ [0-9a-f]* / /" >actual && test_cmp expect actual ' diff --git a/t/t9350-fast-export.sh b/t/t9350-fast-export.sh index e9a12c18bb..1eb035ee4c 100755 --- a/t/t9350-fast-export.sh +++ b/t/t9350-fast-export.sh @@ -236,7 +236,7 @@ EOF test_expect_success 'set up faked signed tag' ' - cat signed-tag-import | git fast-import + git fast-import <signed-tag-import ' @@ -537,7 +537,7 @@ test_expect_success 'full-tree re-shows unmodified files' ' test_expect_success 'set-up a few more tags for tag export tests' ' git checkout -f main && - HEAD_TREE=$(git show -s --pretty=raw HEAD | grep tree | sed "s/tree //") && + HEAD_TREE=$(git show -s --pretty=raw HEAD | sed -n "/tree/s/tree //p") && git tag tree_tag -m "tagging a tree" $HEAD_TREE && git tag -a tree_tag-obj -m "tagging a tree" $HEAD_TREE && git tag tag-obj_tag -m "tagging a tag" tree_tag-obj && diff --git a/t/t9400-git-cvsserver-server.sh b/t/t9400-git-cvsserver-server.sh index 003c0b61d0..e499c7f955 100755 --- a/t/t9400-git-cvsserver-server.sh +++ b/t/t9400-git-cvsserver-server.sh @@ -117,12 +117,12 @@ END VERIFICATION REQUEST EOF test_expect_success 'pserver authentication' ' - cat request-anonymous | git-cvsserver pserver >log 2>&1 && + git-cvsserver pserver <request-anonymous >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' test_expect_success 'pserver authentication failure (non-anonymous user)' ' - if cat request-git | git-cvsserver pserver >log 2>&1 + if git-cvsserver pserver <request-git >log 2>&1 then false else @@ -132,17 +132,17 @@ test_expect_success 'pserver authentication failure (non-anonymous user)' ' ' test_expect_success 'pserver authentication success (non-anonymous user with password)' ' - cat login-git-ok | git-cvsserver pserver >log 2>&1 && + git-cvsserver pserver <login-git-ok >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' test_expect_success 'pserver authentication (login)' ' - cat login-anonymous | git-cvsserver pserver >log 2>&1 && + git-cvsserver pserver <login-anonymous >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' test_expect_success 'pserver authentication failure (login/non-anonymous user)' ' - if cat login-git | git-cvsserver pserver >log 2>&1 + if git-cvsserver pserver <login-git >log 2>&1 then false else @@ -172,7 +172,7 @@ Root $WORKDIR EOF test_expect_success 'req_Root failure (relative pathname)' ' - if cat request-relative | git-cvsserver pserver >log 2>&1 + if git-cvsserver pserver <request-relative >log 2>&1 then echo unexpected success false @@ -183,28 +183,26 @@ test_expect_success 'req_Root failure (relative pathname)' ' ' test_expect_success 'req_Root failure (conflicting roots)' ' - cat request-conflict | git-cvsserver pserver >log 2>&1 && + git-cvsserver pserver <request-conflict >log 2>&1 && tail log | grep "^error 1 Conflicting roots specified$" ' test_expect_success 'req_Root (strict paths)' ' - cat request-anonymous | git-cvsserver --strict-paths pserver "$SERVERDIR" >log 2>&1 && + git-cvsserver --strict-paths pserver "$SERVERDIR" <request-anonymous >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' test_expect_success 'req_Root failure (strict-paths)' ' - ! cat request-anonymous | - git-cvsserver --strict-paths pserver "$WORKDIR" >log 2>&1 + ! git-cvsserver --strict-paths pserver "$WORKDIR" <request-anonymous >log 2>&1 ' test_expect_success 'req_Root (w/o strict-paths)' ' - cat request-anonymous | git-cvsserver pserver "$WORKDIR/" >log 2>&1 && + git-cvsserver pserver "$WORKDIR/" <request-anonymous >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' test_expect_success 'req_Root failure (w/o strict-paths)' ' - ! cat request-anonymous | - git-cvsserver pserver "$WORKDIR/gitcvs" >log 2>&1 + ! git-cvsserver pserver "$WORKDIR/gitcvs" <request-anonymous >log 2>&1 ' cat >request-base <<EOF @@ -217,27 +215,26 @@ Root /gitcvs.git EOF test_expect_success 'req_Root (base-path)' ' - cat request-base | git-cvsserver --strict-paths --base-path "$WORKDIR/" pserver "$SERVERDIR" >log 2>&1 && + git-cvsserver --strict-paths --base-path "$WORKDIR/" pserver "$SERVERDIR" <request-base >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' test_expect_success 'req_Root failure (base-path)' ' - ! cat request-anonymous | - git-cvsserver --strict-paths --base-path "$WORKDIR" pserver "$SERVERDIR" >log 2>&1 + ! git-cvsserver --strict-paths --base-path "$WORKDIR" pserver "$SERVERDIR" <request-anonymous >log 2>&1 ' GIT_DIR="$SERVERDIR" git config --bool gitcvs.enabled false || exit 1 test_expect_success 'req_Root (export-all)' ' - cat request-anonymous | git-cvsserver --export-all pserver "$WORKDIR" >log 2>&1 && + git-cvsserver --export-all pserver "$WORKDIR" <request-anonymous >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' test_expect_success 'req_Root failure (export-all w/o directory list)' ' - ! (cat request-anonymous | git-cvsserver --export-all pserver >log 2>&1 || false)' + ! (git-cvsserver --export-all pserver <request-anonymous >log 2>&1 || false)' test_expect_success 'req_Root (everything together)' ' - cat request-base | git-cvsserver --export-all --strict-paths --base-path "$WORKDIR/" pserver "$SERVERDIR" >log 2>&1 && + git-cvsserver --export-all --strict-paths --base-path "$WORKDIR/" pserver "$SERVERDIR" <request-base >log 2>&1 && sed -ne \$p log | grep "^I LOVE YOU\$" ' diff --git a/t/t9802-git-p4-filetype.sh b/t/t9802-git-p4-filetype.sh index 2a6ee2a467..bb236cd2b5 100755 --- a/t/t9802-git-p4-filetype.sh +++ b/t/t9802-git-p4-filetype.sh @@ -175,7 +175,7 @@ test_expect_success 'keyword file create' ' cp k-text-k k-text-ko && p4 add -t text+ko k-text-ko && - cat k-text-k | iconv -f ascii -t utf-16 >k-utf16-k && + iconv -f ascii -t utf-16 <k-text-k >k-utf16-k && p4 add -t utf16+k k-utf16-k && cp k-utf16-k k-utf16-ko && diff --git a/t/t9807-git-p4-submit.sh b/t/t9807-git-p4-submit.sh index af4b286f9d..6ae7ced51b 100755 --- a/t/t9807-git-p4-submit.sh +++ b/t/t9807-git-p4-submit.sh @@ -418,7 +418,7 @@ test_expect_success 'description with Jobs and values on separate lines' ' marshal_dump job0 <change && marshal_dump job1 <change ) | sort >jobs && - cat jobname1 jobname2 | sort >expected && + sort jobname1 jobname2 >expected && test_cmp expected jobs ) ' diff --git a/t/t9824-git-p4-git-lfs.sh b/t/t9824-git-p4-git-lfs.sh index a28dbbdd56..80c8c31e32 100755 --- a/t/t9824-git-p4-git-lfs.sh +++ b/t/t9824-git-p4-git-lfs.sh @@ -17,8 +17,8 @@ test_file_in_lfs () { sed -n '2,2 p' "$FILE" | grep "^oid " && sed -n '3,3 p' "$FILE" | grep "^size " && test_line_count = 3 "$FILE" && - cat "$FILE" | grep "size $SIZE" && - HASH=$(cat "$FILE" | grep "oid sha256:" | sed -e "s/oid sha256://g") && + grep "size $SIZE" "$FILE" && + HASH=$(sed -ne "/oid sha256:/s/oid sha256://gp" "$FILE") && LFS_FILE=".git/lfs/objects/$(echo "$HASH" | cut -c1-2)/$(echo "$HASH" | cut -c3-4)/$HASH" && echo $EXPECTED_CONTENT >expect && test_path_is_file "$FILE" && diff --git a/t/t9902-completion.sh b/t/t9902-completion.sh index b16c284181..569cf23104 100755 --- a/t/t9902-completion.sh +++ b/t/t9902-completion.sh @@ -1263,6 +1263,29 @@ test_expect_success '__git_complete_fetch_refspecs - fully qualified & prefix' ' test_cmp expected out ' +test_expect_success '__git_complete_worktree_paths' ' + test_when_finished "git worktree remove other_wt" && + git worktree add --orphan other_wt && + run_completion "git worktree remove " && + grep other_wt out +' + +test_expect_success '__git_complete_worktree_paths - not a git repository' ' + ( + cd non-repo && + GIT_CEILING_DIRECTORIES="$ROOT" && + export GIT_CEILING_DIRECTORIES && + test_completion "git worktree remove " "" + ) +' + +test_expect_success '__git_complete_worktree_paths with -C' ' + test_when_finished "git -C otherrepo worktree remove otherrepo_wt" && + git -C otherrepo worktree add --orphan otherrepo_wt && + run_completion "git -C otherrepo worktree remove " && + grep otherrepo_wt out +' + test_expect_success 'git switch - with no options, complete local branches and unique remote branch names for DWIM logic' ' test_completion "git switch " <<-\EOF branch-in-other Z @@ -2804,6 +2827,20 @@ test_expect_success 'git clone --config= - value' ' EOF ' +test_expect_success 'git reflog show' ' + test_when_finished "git checkout - && git branch -d shown" && + git checkout -b shown && + test_completion "git reflog sho" <<-\EOF && + show Z + shown Z + EOF + test_completion "git reflog show sho" "shown " && + test_completion "git reflog shown sho" "shown " && + test_completion "git reflog --unt" "--until=" && + test_completion "git reflog show --unt" "--until=" && + test_completion "git reflog shown --unt" "--until=" +' + test_expect_success 'options with value' ' test_completion "git merge -X diff-algorithm=" <<-\EOF diff --git a/t/test-lib-functions.sh b/t/test-lib-functions.sh index b5eaf7fdc1..2eccf100c0 100644 --- a/t/test-lib-functions.sh +++ b/t/test-lib-functions.sh @@ -1263,9 +1263,8 @@ test_cmp_bin () { cmp "$@" } -# Deprecated - do not use this in new code test_i18ngrep () { - test_grep "$@" + BUG "do not use test_i18ngrep---use test_grep instead" } test_grep () { @@ -1656,7 +1655,16 @@ test_set_hash () { # Detect the hash algorithm in use. test_detect_hash () { - test_hash_algo="${GIT_TEST_DEFAULT_HASH:-sha1}" + case "$GIT_TEST_DEFAULT_HASH" in + "sha256") + test_hash_algo=sha256 + test_compat_hash_algo=sha1 + ;; + *) + test_hash_algo=sha1 + test_compat_hash_algo=sha256 + ;; + esac } # Detect the hash algorithm in use. @@ -1713,6 +1721,12 @@ test_oid () { local algo="${test_hash_algo}" && case "$1" in + --hash=storage) + algo="$test_hash_algo" && + shift;; + --hash=compat) + algo="$test_compat_hash_algo" && + shift;; --hash=*) algo="${1#--hash=}" && shift;; diff --git a/t/test-lib.sh b/t/test-lib.sh index 042f557a6f..c8af8dab79 100644 --- a/t/test-lib.sh +++ b/t/test-lib.sh @@ -1755,6 +1755,8 @@ esac case "$GIT_DEFAULT_REF_FORMAT" in files) test_set_prereq REFFILES;; +reftable) + test_set_prereq REFTABLE;; *) echo 2>&1 "error: unknown ref format $GIT_DEFAULT_REF_FORMAT" exit 1 diff --git a/t/unit-tests/t-ctype.c b/t/unit-tests/t-ctype.c index f315489984..d6ac1fe678 100644 --- a/t/unit-tests/t-ctype.c +++ b/t/unit-tests/t-ctype.c @@ -1,30 +1,19 @@ #include "test-lib.h" -static int is_in(const char *s, int ch) -{ - /* - * We can't find NUL using strchr. Accept it as the first - * character in the spec -- there are no empty classes. - */ - if (ch == '\0') - return ch == *s; - if (*s == '\0') - s++; - return !!strchr(s, ch); -} - -/* Macro to test a character type */ -#define TEST_CTYPE_FUNC(func, string) \ -static void test_ctype_##func(void) { \ - for (int i = 0; i < 256; i++) { \ - if (!check_int(func(i), ==, is_in(string, i))) \ - test_msg(" i: 0x%02x", i); \ +#define TEST_CHAR_CLASS(class, string) do { \ + size_t len = ARRAY_SIZE(string) - 1 + \ + BUILD_ASSERT_OR_ZERO(ARRAY_SIZE(string) > 0) + \ + BUILD_ASSERT_OR_ZERO(sizeof(string[0]) == sizeof(char)); \ + int skip = test__run_begin(); \ + if (!skip) { \ + for (int i = 0; i < 256; i++) { \ + if (!check_int(class(i), ==, !!memchr(string, i, len)))\ + test_msg(" i: 0x%02x", i); \ + } \ + check(!class(EOF)); \ } \ - if (!check(!func(EOF))) \ - test_msg(" i: 0x%02x (EOF)", EOF); \ -} - -#define TEST_CHAR_CLASS(class) TEST(test_ctype_##class(), #class " works") + test__run_end(!skip, TEST_LOCATION(), #class " works"); \ +} while (0) #define DIGIT "0123456789" #define LOWER "abcdefghijklmnopqrstuvwxyz" @@ -44,37 +33,21 @@ static void test_ctype_##func(void) { \ "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f" \ "\x7f" -TEST_CTYPE_FUNC(isdigit, DIGIT) -TEST_CTYPE_FUNC(isspace, " \n\r\t") -TEST_CTYPE_FUNC(isalpha, LOWER UPPER) -TEST_CTYPE_FUNC(isalnum, LOWER UPPER DIGIT) -TEST_CTYPE_FUNC(is_glob_special, "*?[\\") -TEST_CTYPE_FUNC(is_regex_special, "$()*+.?[\\^{|") -TEST_CTYPE_FUNC(is_pathspec_magic, "!\"#%&',-/:;<=>@_`~") -TEST_CTYPE_FUNC(isascii, ASCII) -TEST_CTYPE_FUNC(islower, LOWER) -TEST_CTYPE_FUNC(isupper, UPPER) -TEST_CTYPE_FUNC(iscntrl, CNTRL) -TEST_CTYPE_FUNC(ispunct, PUNCT) -TEST_CTYPE_FUNC(isxdigit, DIGIT "abcdefABCDEF") -TEST_CTYPE_FUNC(isprint, LOWER UPPER DIGIT PUNCT " ") - int cmd_main(int argc, const char **argv) { - /* Run all character type tests */ - TEST_CHAR_CLASS(isspace); - TEST_CHAR_CLASS(isdigit); - TEST_CHAR_CLASS(isalpha); - TEST_CHAR_CLASS(isalnum); - TEST_CHAR_CLASS(is_glob_special); - TEST_CHAR_CLASS(is_regex_special); - TEST_CHAR_CLASS(is_pathspec_magic); - TEST_CHAR_CLASS(isascii); - TEST_CHAR_CLASS(islower); - TEST_CHAR_CLASS(isupper); - TEST_CHAR_CLASS(iscntrl); - TEST_CHAR_CLASS(ispunct); - TEST_CHAR_CLASS(isxdigit); - TEST_CHAR_CLASS(isprint); + TEST_CHAR_CLASS(isspace, " \n\r\t"); + TEST_CHAR_CLASS(isdigit, DIGIT); + TEST_CHAR_CLASS(isalpha, LOWER UPPER); + TEST_CHAR_CLASS(isalnum, LOWER UPPER DIGIT); + TEST_CHAR_CLASS(is_glob_special, "*?[\\"); + TEST_CHAR_CLASS(is_regex_special, "$()*+.?[\\^{|"); + TEST_CHAR_CLASS(is_pathspec_magic, "!\"#%&',-/:;<=>@_`~"); + TEST_CHAR_CLASS(isascii, ASCII); + TEST_CHAR_CLASS(islower, LOWER); + TEST_CHAR_CLASS(isupper, UPPER); + TEST_CHAR_CLASS(iscntrl, CNTRL); + TEST_CHAR_CLASS(ispunct, PUNCT); + TEST_CHAR_CLASS(isxdigit, DIGIT "abcdefABCDEF"); + TEST_CHAR_CLASS(isprint, LOWER UPPER DIGIT PUNCT " "); return test_done(); } diff --git a/t/unit-tests/t-prio-queue.c b/t/unit-tests/t-prio-queue.c index d78b002f9e..5358346361 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: @@ -54,6 +62,7 @@ static void test_prio_queue(int *input, int *result, size_t input_size) break; } } + check_uint(j, ==, result_size); clear_prio_queue(&pq); } @@ -77,7 +86,8 @@ static void test_prio_queue(int *input, int *result, size_t input_size) { \ int input[] = {INPUT}; \ int result[] = {RESULT}; \ - test_prio_queue(input, result, ARRAY_SIZE(input)); \ + test_prio_queue(input, ARRAY_SIZE(input), \ + result, ARRAY_SIZE(result)); \ } TEST_INPUT(BASIC_INPUT, BASIC_RESULT, basic) diff --git a/tempfile.c b/tempfile.c index ecdebf1afb..ed88cf8431 100644 --- a/tempfile.c +++ b/tempfile.c @@ -50,15 +50,17 @@ static VOLATILE_LIST_HEAD(tempfile_list); -static void remove_template_directory(struct tempfile *tempfile, +static int remove_template_directory(struct tempfile *tempfile, int in_signal_handler) { if (tempfile->directory) { if (in_signal_handler) - rmdir(tempfile->directory); + return rmdir(tempfile->directory); else - rmdir_or_warn(tempfile->directory); + return rmdir_or_warn(tempfile->directory); } + + return 0; } static void remove_tempfiles(int in_signal_handler) @@ -353,16 +355,19 @@ int rename_tempfile(struct tempfile **tempfile_p, const char *path) return 0; } -void delete_tempfile(struct tempfile **tempfile_p) +int delete_tempfile(struct tempfile **tempfile_p) { struct tempfile *tempfile = *tempfile_p; + int err = 0; if (!is_tempfile_active(tempfile)) - return; + return 0; - close_tempfile_gently(tempfile); - unlink_or_warn(tempfile->filename.buf); - remove_template_directory(tempfile, 0); + err |= close_tempfile_gently(tempfile); + err |= unlink_or_warn(tempfile->filename.buf); + err |= remove_template_directory(tempfile, 0); deactivate_tempfile(tempfile); *tempfile_p = NULL; + + return err ? -1 : 0; } diff --git a/tempfile.h b/tempfile.h index d0413af733..2d2ae5b657 100644 --- a/tempfile.h +++ b/tempfile.h @@ -269,7 +269,7 @@ int reopen_tempfile(struct tempfile *tempfile); * `delete_tempfile()` for a `tempfile` object that has already been * deleted or renamed. */ -void delete_tempfile(struct tempfile **tempfile_p); +int delete_tempfile(struct tempfile **tempfile_p); /* * Close the file descriptor and/or file pointer if they are still @@ -433,6 +433,9 @@ void trace2_cmd_name_fl(const char *file, int line, const char *name) for_each_wanted_builtin (j, tgt_j) if (tgt_j->pfn_command_name_fl) tgt_j->pfn_command_name_fl(file, line, name, hierarchy); + + trace2_cmd_list_config(); + trace2_cmd_list_env_vars(); } void trace2_cmd_mode_fl(const char *file, int line, const char *mode) @@ -464,17 +467,29 @@ void trace2_cmd_alias_fl(const char *file, int line, const char *alias, void trace2_cmd_list_config_fl(const char *file, int line) { + static int emitted = 0; + if (!trace2_enabled) return; + if (emitted) + return; + emitted = 1; + tr2_cfg_list_config_fl(file, line); } void trace2_cmd_list_env_vars_fl(const char *file, int line) { + static int emitted = 0; + if (!trace2_enabled) return; + if (emitted) + return; + emitted = 1; + tr2_list_env_vars_fl(file, line); } @@ -5,7 +5,6 @@ #include "string-list.h" #include "run-command.h" #include "commit.h" -#include "tempfile.h" #include "trailer.h" #include "list.h" /* @@ -145,12 +144,12 @@ static char last_non_space_char(const char *s) return '\0'; } -static void print_tok_val(FILE *outfile, const char *tok, const char *val) +static void print_tok_val(struct strbuf *out, const char *tok, const char *val) { char c; if (!tok) { - fprintf(outfile, "%s\n", val); + strbuf_addf(out, "%s\n", val); return; } @@ -158,21 +157,22 @@ static void print_tok_val(FILE *outfile, const char *tok, const char *val) if (!c) return; if (strchr(separators, c)) - fprintf(outfile, "%s%s\n", tok, val); + strbuf_addf(out, "%s%s\n", tok, val); else - fprintf(outfile, "%s%c %s\n", tok, separators[0], val); + strbuf_addf(out, "%s%c %s\n", tok, separators[0], val); } -static void print_all(FILE *outfile, struct list_head *head, - const struct process_trailer_options *opts) +void format_trailers(const struct process_trailer_options *opts, + struct list_head *trailers, + struct strbuf *out) { struct list_head *pos; struct trailer_item *item; - list_for_each(pos, head) { + list_for_each(pos, trailers) { item = list_entry(pos, struct trailer_item, list); if ((!opts->trim_empty || strlen(item->value) > 0) && (!opts->only_trailers || item->token)) - print_tok_val(outfile, item->token, item->value); + print_tok_val(out, item->token, item->value); } } @@ -366,8 +366,8 @@ static int find_same_and_apply_arg(struct list_head *head, return 0; } -static void process_trailers_lists(struct list_head *head, - struct list_head *arg_head) +void process_trailers_lists(struct list_head *head, + struct list_head *arg_head) { struct list_head *pos, *p; struct arg_item *arg_tok; @@ -589,7 +589,7 @@ static int git_trailer_config(const char *conf_key, const char *value, return 0; } -static void ensure_configured(void) +void trailer_config_init(void) { if (configured) return; @@ -719,7 +719,7 @@ static void add_arg_item(struct list_head *arg_head, char *tok, char *val, list_add_tail(&new_item->list, arg_head); } -static void parse_trailers_from_config(struct list_head *config_head) +void parse_trailers_from_config(struct list_head *config_head) { struct arg_item *item; struct list_head *pos; @@ -735,8 +735,8 @@ static void parse_trailers_from_config(struct list_head *config_head) } } -static void parse_trailers_from_command_line_args(struct list_head *arg_head, - struct list_head *new_trailer_head) +void parse_trailers_from_command_line_args(struct list_head *arg_head, + struct list_head *new_trailer_head) { struct strbuf tok = STRBUF_INIT; struct strbuf val = STRBUF_INIT; @@ -775,17 +775,6 @@ static void parse_trailers_from_command_line_args(struct list_head *arg_head, free(cl_separators); } -static void read_input_file(struct strbuf *sb, const char *file) -{ - if (file) { - if (strbuf_read_file(sb, file, 0) < 0) - die_errno(_("could not read input file '%s'"), file); - } else { - if (strbuf_read(sb, fileno(stdin), 0) < 0) - die_errno(_("could not read from stdin")); - } -} - static const char *next_line(const char *str) { const char *nl = strchrnul(str, '\n'); @@ -999,16 +988,16 @@ static void unfold_value(struct strbuf *val) * Parse trailers in "str", populating the trailer info and "head" * linked list structure. */ -static void parse_trailers(struct trailer_info *info, - const char *str, - struct list_head *head, - const struct process_trailer_options *opts) +void parse_trailers(const struct process_trailer_options *opts, + struct trailer_info *info, + const char *str, + struct list_head *head) { struct strbuf tok = STRBUF_INIT; struct strbuf val = STRBUF_INIT; size_t i; - trailer_info_get(info, str, opts); + trailer_info_get(opts, str, info); for (i = 0; i < info->trailer_nr; i++) { int separator_pos; @@ -1034,99 +1023,18 @@ static void parse_trailers(struct trailer_info *info, } } -static void free_all(struct list_head *head) +void free_trailers(struct list_head *trailers) { struct list_head *pos, *p; - list_for_each_safe(pos, p, head) { + list_for_each_safe(pos, p, trailers) { list_del(pos); free_trailer_item(list_entry(pos, struct trailer_item, list)); } } -static struct tempfile *trailers_tempfile; - -static FILE *create_in_place_tempfile(const char *file) -{ - struct stat st; - struct strbuf filename_template = STRBUF_INIT; - const char *tail; - FILE *outfile; - - if (stat(file, &st)) - die_errno(_("could not stat %s"), file); - if (!S_ISREG(st.st_mode)) - die(_("file %s is not a regular file"), file); - if (!(st.st_mode & S_IWUSR)) - die(_("file %s is not writable by user"), file); - - /* Create temporary file in the same directory as the original */ - tail = strrchr(file, '/'); - if (tail) - strbuf_add(&filename_template, file, tail - file + 1); - strbuf_addstr(&filename_template, "git-interpret-trailers-XXXXXX"); - - trailers_tempfile = xmks_tempfile_m(filename_template.buf, st.st_mode); - strbuf_release(&filename_template); - outfile = fdopen_tempfile(trailers_tempfile, "w"); - if (!outfile) - die_errno(_("could not open temporary file")); - - return outfile; -} - -void process_trailers(const char *file, - const struct process_trailer_options *opts, - struct list_head *new_trailer_head) -{ - LIST_HEAD(head); - struct strbuf sb = STRBUF_INIT; - struct trailer_info info; - FILE *outfile = stdout; - - ensure_configured(); - - read_input_file(&sb, file); - - if (opts->in_place) - outfile = create_in_place_tempfile(file); - - parse_trailers(&info, sb.buf, &head, opts); - - /* Print the lines before the trailers */ - if (!opts->only_trailers) - fwrite(sb.buf, 1, info.trailer_block_start, outfile); - - if (!opts->only_trailers && !info.blank_line_before_trailer) - fprintf(outfile, "\n"); - - - if (!opts->only_input) { - LIST_HEAD(config_head); - LIST_HEAD(arg_head); - parse_trailers_from_config(&config_head); - parse_trailers_from_command_line_args(&arg_head, new_trailer_head); - list_splice(&config_head, &arg_head); - process_trailers_lists(&head, &arg_head); - } - - print_all(outfile, &head, opts); - - free_all(&head); - trailer_info_release(&info); - - /* Print the lines after the trailers as is */ - if (!opts->only_trailers) - fwrite(sb.buf + info.trailer_block_end, 1, sb.len - info.trailer_block_end, outfile); - - if (opts->in_place) - if (rename_tempfile(&trailers_tempfile, file)) - die_errno(_("could not rename temporary file to %s"), file); - - strbuf_release(&sb); -} - -void trailer_info_get(struct trailer_info *info, const char *str, - const struct process_trailer_options *opts) +void trailer_info_get(const struct process_trailer_options *opts, + const char *str, + struct trailer_info *info) { size_t end_of_log_message = 0, trailer_block_start = 0; struct strbuf **trailer_lines, **ptr; @@ -1134,7 +1042,7 @@ void trailer_info_get(struct trailer_info *info, const char *str, size_t nr = 0, alloc = 0; char **last = NULL; - ensure_configured(); + trailer_config_init(); end_of_log_message = find_end_of_log_message(str, opts->no_divider); trailer_block_start = find_trailer_block_start(str, end_of_log_message); @@ -1176,23 +1084,13 @@ void trailer_info_release(struct trailer_info *info) free(info->trailers); } -static void format_trailer_info(struct strbuf *out, +static void format_trailer_info(const struct process_trailer_options *opts, const struct trailer_info *info, - const char *msg, - const struct process_trailer_options *opts) + struct strbuf *out) { size_t origlen = out->len; size_t i; - /* If we want the whole block untouched, we can take the fast path. */ - if (!opts->only_trailers && !opts->unfold && !opts->filter && - !opts->separator && !opts->key_only && !opts->value_only && - !opts->key_value_separator) { - strbuf_add(out, msg + info->trailer_block_start, - info->trailer_block_end - info->trailer_block_start); - return; - } - for (i = 0; i < info->trailer_nr; i++) { char *trailer = info->trailers[i]; ssize_t separator_pos = find_separator(trailer, separators); @@ -1237,13 +1135,25 @@ static void format_trailer_info(struct strbuf *out, } -void format_trailers_from_commit(struct strbuf *out, const char *msg, - const struct process_trailer_options *opts) +void format_trailers_from_commit(const struct process_trailer_options *opts, + const char *msg, + struct strbuf *out) { + LIST_HEAD(trailer_objects); struct trailer_info info; - trailer_info_get(&info, msg, opts); - format_trailer_info(out, &info, msg, opts); + parse_trailers(opts, &info, msg, &trailer_objects); + + /* If we want the whole block untouched, we can take the fast path. */ + if (!opts->only_trailers && !opts->unfold && !opts->filter && + !opts->separator && !opts->key_only && !opts->value_only && + !opts->key_value_separator) { + strbuf_add(out, msg + info.trailer_block_start, + info.trailer_block_end - info.trailer_block_start); + } else + format_trailer_info(opts, &info, out); + + free_trailers(&trailer_objects); trailer_info_release(&info); } @@ -1253,7 +1163,7 @@ void trailer_iterator_init(struct trailer_iterator *iter, const char *msg) strbuf_init(&iter->key, 0); strbuf_init(&iter->val, 0); opts.no_divider = 1; - trailer_info_get(&iter->internal.info, msg, &opts); + trailer_info_get(&opts, msg, &iter->internal.info); iter->internal.cur = 0; } @@ -1270,6 +1180,7 @@ int trailer_iterator_advance(struct trailer_iterator *iter) strbuf_reset(&iter->val); parse_trailer(&iter->key, &iter->val, NULL, trailer, separator_pos); + /* Always unfold values during iteration. */ unfold_value(&iter->val); return 1; } @@ -81,15 +81,31 @@ struct process_trailer_options { #define PROCESS_TRAILER_OPTIONS_INIT {0} -void process_trailers(const char *file, - const struct process_trailer_options *opts, - struct list_head *new_trailer_head); +void parse_trailers_from_config(struct list_head *config_head); -void trailer_info_get(struct trailer_info *info, const char *str, - const struct process_trailer_options *opts); +void parse_trailers_from_command_line_args(struct list_head *arg_head, + struct list_head *new_trailer_head); + +void process_trailers_lists(struct list_head *head, + struct list_head *arg_head); + +void parse_trailers(const struct process_trailer_options *, + struct trailer_info *, + const char *str, + struct list_head *head); + +void trailer_info_get(const struct process_trailer_options *, + const char *str, + struct trailer_info *); void trailer_info_release(struct trailer_info *info); +void trailer_config_init(void); +void format_trailers(const struct process_trailer_options *, + struct list_head *trailers, + struct strbuf *out); +void free_trailers(struct list_head *); + /* * Format the trailers from the commit msg "msg" into the strbuf "out". * Note two caveats about "opts": @@ -101,8 +117,9 @@ void trailer_info_release(struct trailer_info *info); * only the trailer block itself, even if the "only_trailers" option is not * set. */ -void format_trailers_from_commit(struct strbuf *out, const char *msg, - const struct process_trailer_options *opts); +void format_trailers_from_commit(const struct process_trailer_options *opts, + const char *msg, + struct strbuf *out); /* * An interface for iterating over the trailers found in a particular commit diff --git a/transport-helper.c b/transport-helper.c index dd6002b393..b660b7942f 100644 --- a/transport-helper.c +++ b/transport-helper.c @@ -1078,7 +1078,7 @@ static int push_refs_with_export(struct transport *transport, set_common_push_options(transport, data->name, flags); if (flags & TRANSPORT_PUSH_FORCE) { if (set_helper_option(transport, "force", "true") != 0) - warning(_("helper %s does not support 'force'"), data->name); + warning(_("helper %s does not support '--force'"), data->name); } helper = get_helper(transport); diff --git a/tree-walk.c b/tree-walk.c index b517792ba2..6565d9ad99 100644 --- a/tree-walk.c +++ b/tree-walk.c @@ -11,35 +11,19 @@ #include "json-writer.h" #include "environment.h" -static const char *get_mode(const char *str, unsigned int *modep) -{ - unsigned char c; - unsigned int mode = 0; - - if (*str == ' ') - return NULL; - - while ((c = *str++) != ' ') { - if (c < '0' || c > '7') - return NULL; - mode = (mode << 3) + (c - '0'); - } - *modep = mode; - return str; -} - static int decode_tree_entry(struct tree_desc *desc, const char *buf, unsigned long size, struct strbuf *err) { const char *path; - unsigned int mode, len; - const unsigned hashsz = the_hash_algo->rawsz; + unsigned int len; + uint16_t mode; + const unsigned hashsz = desc->algo->rawsz; if (size < hashsz + 3 || buf[size - (hashsz + 1)]) { strbuf_addstr(err, _("too-short tree object")); return -1; } - path = get_mode(buf, &mode); + path = parse_mode(buf, &mode); if (!path) { strbuf_addstr(err, _("malformed mode in tree entry")); return -1; @@ -54,15 +38,19 @@ static int decode_tree_entry(struct tree_desc *desc, const char *buf, unsigned l desc->entry.path = path; desc->entry.mode = (desc->flags & TREE_DESC_RAW_MODES) ? mode : canon_mode(mode); desc->entry.pathlen = len - 1; - oidread(&desc->entry.oid, (const unsigned char *)path + len); + oidread_algop(&desc->entry.oid, (const unsigned char *)path + len, + desc->algo); return 0; } -static int init_tree_desc_internal(struct tree_desc *desc, const void *buffer, - unsigned long size, struct strbuf *err, +static int init_tree_desc_internal(struct tree_desc *desc, + const struct object_id *oid, + const void *buffer, unsigned long size, + struct strbuf *err, enum tree_desc_flags flags) { + desc->algo = (oid && oid->algo) ? &hash_algos[oid->algo] : the_hash_algo; desc->buffer = buffer; desc->size = size; desc->flags = flags; @@ -71,19 +59,21 @@ static int init_tree_desc_internal(struct tree_desc *desc, const void *buffer, return 0; } -void init_tree_desc(struct tree_desc *desc, const void *buffer, unsigned long size) +void init_tree_desc(struct tree_desc *desc, const struct object_id *tree_oid, + const void *buffer, unsigned long size) { struct strbuf err = STRBUF_INIT; - if (init_tree_desc_internal(desc, buffer, size, &err, 0)) + if (init_tree_desc_internal(desc, tree_oid, buffer, size, &err, 0)) die("%s", err.buf); strbuf_release(&err); } -int init_tree_desc_gently(struct tree_desc *desc, const void *buffer, unsigned long size, +int init_tree_desc_gently(struct tree_desc *desc, const struct object_id *oid, + const void *buffer, unsigned long size, enum tree_desc_flags flags) { struct strbuf err = STRBUF_INIT; - int result = init_tree_desc_internal(desc, buffer, size, &err, flags); + int result = init_tree_desc_internal(desc, oid, buffer, size, &err, flags); if (result) error("%s", err.buf); strbuf_release(&err); @@ -100,9 +90,9 @@ void *fill_tree_descriptor(struct repository *r, if (oid) { buf = read_object_with_reference(r, oid, OBJ_TREE, &size, NULL); if (!buf) - die("unable to read tree %s", oid_to_hex(oid)); + die(_("unable to read tree (%s)"), oid_to_hex(oid)); } - init_tree_desc(desc, buf, size); + init_tree_desc(desc, oid, buf, size); return buf; } @@ -119,7 +109,7 @@ static void entry_extract(struct tree_desc *t, struct name_entry *a) static int update_tree_entry_internal(struct tree_desc *desc, struct strbuf *err) { const void *buf = desc->buffer; - const unsigned char *end = (const unsigned char *)desc->entry.path + desc->entry.pathlen + 1 + the_hash_algo->rawsz; + const unsigned char *end = (const unsigned char *)desc->entry.path + desc->entry.pathlen + 1 + desc->algo->rawsz; unsigned long size = desc->size; unsigned long len = end - (const unsigned char *)buf; @@ -633,7 +623,7 @@ int get_tree_entry(struct repository *r, retval = -1; } else { struct tree_desc t; - init_tree_desc(&t, tree, size); + init_tree_desc(&t, tree_oid, tree, size); retval = find_tree_entry(r, &t, name, oid, mode); } free(tree); @@ -676,7 +666,7 @@ enum get_oid_result get_tree_entry_follow_symlinks(struct repository *r, struct tree_desc t; int follows_remaining = GET_TREE_ENTRY_FOLLOW_SYMLINKS_MAX_LINKS; - init_tree_desc(&t, NULL, 0UL); + init_tree_desc(&t, NULL, NULL, 0UL); strbuf_addstr(&namebuf, name); oidcpy(¤t_tree_oid, tree_oid); @@ -712,7 +702,7 @@ enum get_oid_result get_tree_entry_follow_symlinks(struct repository *r, goto done; /* descend */ - init_tree_desc(&t, tree, size); + init_tree_desc(&t, ¤t_tree_oid, tree, size); } /* Handle symlinks to e.g. a//b by removing leading slashes */ @@ -746,7 +736,7 @@ enum get_oid_result get_tree_entry_follow_symlinks(struct repository *r, free(parent->tree); parents_nr--; parent = &parents[parents_nr - 1]; - init_tree_desc(&t, parent->tree, parent->size); + init_tree_desc(&t, &parent->oid, parent->tree, parent->size); strbuf_remove(&namebuf, 0, remainder ? 3 : 2); continue; } @@ -826,7 +816,7 @@ enum get_oid_result get_tree_entry_follow_symlinks(struct repository *r, contents_start = contents; parent = &parents[parents_nr - 1]; - init_tree_desc(&t, parent->tree, parent->size); + init_tree_desc(&t, &parent->oid, parent->tree, parent->size); strbuf_splice(&namebuf, 0, len, contents_start, link_len); if (remainder) diff --git a/tree-walk.h b/tree-walk.h index a6bfa3da3a..0b1067fbc5 100644 --- a/tree-walk.h +++ b/tree-walk.h @@ -24,6 +24,7 @@ struct name_entry { * A semi-opaque data structure used to maintain the current state of the walk. */ struct tree_desc { + const struct git_hash_algo *algo; /* * pointer into the memory representation of the tree. It always * points at the current entry being visited. @@ -83,9 +84,11 @@ int update_tree_entry_gently(struct tree_desc *); * size parameters are assumed to be the same as the buffer and size * members of `struct tree`. */ -void init_tree_desc(struct tree_desc *desc, const void *buf, unsigned long size); +void init_tree_desc(struct tree_desc *desc, const struct object_id *tree_oid, + const void *buf, unsigned long size); -int init_tree_desc_gently(struct tree_desc *desc, const void *buf, unsigned long size, +int init_tree_desc_gently(struct tree_desc *desc, const struct object_id *oid, + const void *buf, unsigned long size, enum tree_desc_flags flags); /* @@ -29,7 +29,7 @@ int read_tree_at(struct repository *r, if (parse_tree(tree)) return -1; - init_tree_desc(&desc, tree->buffer, tree->size); + init_tree_desc(&desc, &tree->object.oid, tree->buffer, tree->size); while (tree_entry(&desc, &entry)) { if (retval != all_entries_interesting) { diff --git a/upload-pack.c b/upload-pack.c index 2537affa90..902144b9d3 100644 --- a/upload-pack.c +++ b/upload-pack.c @@ -28,6 +28,7 @@ #include "shallow.h" #include "write-or-die.h" #include "json-writer.h" +#include "strmap.h" /* Remember to update object flag allocation in object.h */ #define THEY_HAVE (1u << 11) @@ -61,12 +62,11 @@ struct upload_pack_data { struct string_list symref; /* v0 only */ struct object_array want_obj; struct object_array have_obj; - struct oid_array haves; /* v2 only */ - struct string_list wanted_refs; /* v2 only */ + struct strmap wanted_refs; /* v2 only */ struct strvec hidden_refs; struct object_array shallows; - struct string_list deepen_not; + struct oidset deepen_not; struct object_array extra_edge_obj; int depth; timestamp_t deepen_since; @@ -113,6 +113,8 @@ struct upload_pack_data { unsigned done : 1; /* v2 only */ unsigned allow_ref_in_want : 1; /* v2 only */ unsigned allow_sideband_all : 1; /* v2 only */ + unsigned seen_haves : 1; /* v2 only */ + unsigned allow_packfile_uris : 1; /* v2 only */ unsigned advertise_sid : 1; unsigned sent_capabilities : 1; }; @@ -120,13 +122,12 @@ struct upload_pack_data { static void upload_pack_data_init(struct upload_pack_data *data) { struct string_list symref = STRING_LIST_INIT_DUP; - struct string_list wanted_refs = STRING_LIST_INIT_DUP; + struct strmap wanted_refs = STRMAP_INIT; struct strvec hidden_refs = STRVEC_INIT; struct object_array want_obj = OBJECT_ARRAY_INIT; struct object_array have_obj = OBJECT_ARRAY_INIT; - struct oid_array haves = OID_ARRAY_INIT; struct object_array shallows = OBJECT_ARRAY_INIT; - struct string_list deepen_not = STRING_LIST_INIT_DUP; + struct oidset deepen_not = OID_ARRAY_INIT; struct string_list uri_protocols = STRING_LIST_INIT_DUP; struct object_array extra_edge_obj = OBJECT_ARRAY_INIT; struct string_list allowed_filters = STRING_LIST_INIT_DUP; @@ -137,7 +138,6 @@ static void upload_pack_data_init(struct upload_pack_data *data) data->hidden_refs = hidden_refs; data->want_obj = want_obj; data->have_obj = have_obj; - data->haves = haves; data->shallows = shallows; data->deepen_not = deepen_not; data->uri_protocols = uri_protocols; @@ -155,13 +155,12 @@ static void upload_pack_data_init(struct upload_pack_data *data) static void upload_pack_data_clear(struct upload_pack_data *data) { string_list_clear(&data->symref, 1); - string_list_clear(&data->wanted_refs, 1); + strmap_clear(&data->wanted_refs, 1); strvec_clear(&data->hidden_refs); object_array_clear(&data->want_obj); object_array_clear(&data->have_obj); - oid_array_clear(&data->haves); object_array_clear(&data->shallows); - string_list_clear(&data->deepen_not, 0); + oidset_clear(&data->deepen_not); object_array_clear(&data->extra_edge_obj); list_objects_filter_release(&data->filter_options); string_list_clear(&data->allowed_filters, 0); @@ -463,7 +462,7 @@ static void create_pack_file(struct upload_pack_data *pack_data, fail: free(output_state); - send_client_data(3, abort_msg, sizeof(abort_msg), + send_client_data(3, abort_msg, strlen(abort_msg), pack_data->use_sideband); die("git upload-pack: %s", abort_msg); } @@ -471,7 +470,9 @@ static void create_pack_file(struct upload_pack_data *pack_data, static int do_got_oid(struct upload_pack_data *data, const struct object_id *oid) { int we_knew_they_have = 0; - struct object *o = parse_object(the_repository, oid); + struct object *o = parse_object_with_flags(the_repository, oid, + PARSE_OBJECT_SKIP_HASH_CHECK | + PARSE_OBJECT_DISCARD_TREE); if (!o) die("oops (%s)", oid_to_hex(oid)); @@ -528,8 +529,6 @@ static int get_common_commits(struct upload_pack_data *data, int got_other = 0; int sent_ready = 0; - save_commit_buffer = 0; - for (;;) { const char *arg; @@ -926,12 +925,13 @@ static int send_shallow_list(struct upload_pack_data *data) strvec_push(&av, "rev-list"); if (data->deepen_since) strvec_pushf(&av, "--max-age=%"PRItime, data->deepen_since); - if (data->deepen_not.nr) { + if (oidset_size(&data->deepen_not)) { + const struct object_id *oid; + struct oidset_iter iter; strvec_push(&av, "--not"); - for (i = 0; i < data->deepen_not.nr; i++) { - struct string_list_item *s = data->deepen_not.items + i; - strvec_push(&av, s->string); - } + oidset_iter_init(&data->deepen_not, &iter); + while ((oid = oidset_iter_next(&iter))) + strvec_push(&av, oid_to_hex(oid)); strvec_push(&av, "--not"); } for (i = 0; i < data->want_obj.nr; i++) { @@ -1007,7 +1007,7 @@ static int process_deepen_since(const char *line, timestamp_t *deepen_since, int return 0; } -static int process_deepen_not(const char *line, struct string_list *deepen_not, int *deepen_rev_list) +static int process_deepen_not(const char *line, struct oidset *deepen_not, int *deepen_rev_list) { const char *arg; if (skip_prefix(line, "deepen-not ", &arg)) { @@ -1015,7 +1015,7 @@ static int process_deepen_not(const char *line, struct string_list *deepen_not, struct object_id oid; if (expand_ref(the_repository, arg, strlen(arg), &oid, &ref) != 1) die("git upload-pack: ambiguous deepen-not: %s", line); - string_list_append(deepen_not, ref); + oidset_insert(deepen_not, &oid); free(ref); *deepen_rev_list = 1; return 1; @@ -1151,7 +1151,9 @@ static void receive_needs(struct upload_pack_data *data, free(client_sid); } - o = parse_object(the_repository, &oid_buf); + o = parse_object_with_flags(the_repository, &oid_buf, + PARSE_OBJECT_SKIP_HASH_CHECK | + PARSE_OBJECT_DISCARD_TREE); if (!o) { packet_writer_error(&data->writer, "upload-pack: not our ref %s", @@ -1362,6 +1364,9 @@ static int upload_pack_config(const char *var, const char *value, data->allow_ref_in_want = git_config_bool(var, value); } else if (!strcmp("uploadpack.allowsidebandall", var)) { data->allow_sideband_all = git_config_bool(var, value); + } else if (!strcmp("uploadpack.blobpackfileuri", var)) { + if (value) + data->allow_packfile_uris = 1; } else if (!strcmp("core.precomposeunicode", var)) { precomposed_unicode = git_config_bool(var, value); } else if (!strcmp("transfer.advertisesid", var)) { @@ -1385,10 +1390,13 @@ static int upload_pack_protected_config(const char *var, const char *value, return 0; } -static void get_upload_pack_config(struct upload_pack_data *data) +static void get_upload_pack_config(struct repository *r, + struct upload_pack_data *data) { - git_config(upload_pack_config, data); + repo_config(r, upload_pack_config, data); git_protected_config(upload_pack_protected_config, data); + + data->allow_sideband_all |= git_env_bool("GIT_TEST_SIDEBAND_ALL", 0); } void upload_pack(const int advertise_refs, const int stateless_rpc, @@ -1398,7 +1406,7 @@ void upload_pack(const int advertise_refs, const int stateless_rpc, struct upload_pack_data data; upload_pack_data_init(&data); - get_upload_pack_config(&data); + get_upload_pack_config(the_repository, &data); data.stateless_rpc = stateless_rpc; data.timeout = timeout; @@ -1468,7 +1476,8 @@ static int parse_want(struct packet_writer *writer, const char *line, "expected to get oid, not '%s'", line); o = parse_object_with_flags(the_repository, &oid, - PARSE_OBJECT_SKIP_HASH_CHECK); + PARSE_OBJECT_SKIP_HASH_CHECK | + PARSE_OBJECT_DISCARD_TREE); if (!o) { packet_writer_error(writer, @@ -1490,14 +1499,13 @@ static int parse_want(struct packet_writer *writer, const char *line, } static int parse_want_ref(struct packet_writer *writer, const char *line, - struct string_list *wanted_refs, + struct strmap *wanted_refs, struct strvec *hidden_refs, struct object_array *want_obj) { const char *refname_nons; if (skip_prefix(line, "want-ref ", &refname_nons)) { struct object_id oid; - struct string_list_item *item; struct object *o = NULL; struct strbuf refname = STRBUF_INIT; @@ -1509,8 +1517,11 @@ static int parse_want_ref(struct packet_writer *writer, const char *line, } strbuf_release(&refname); - item = string_list_append(wanted_refs, refname_nons); - item->util = oiddup(&oid); + if (strmap_put(wanted_refs, refname_nons, oiddup(&oid))) { + packet_writer_error(writer, "duplicate want-ref %s", + refname_nons); + die("duplicate want-ref %s", refname_nons); + } if (!starts_with(refname_nons, "refs/tags/")) { struct commit *commit = lookup_commit_in_graph(the_repository, &oid); @@ -1532,15 +1543,14 @@ static int parse_want_ref(struct packet_writer *writer, const char *line, return 0; } -static int parse_have(const char *line, struct oid_array *haves) +static int parse_have(const char *line, struct upload_pack_data *data) { const char *arg; if (skip_prefix(line, "have ", &arg)) { struct object_id oid; - if (get_oid_hex(arg, &oid)) - die("git upload-pack: expected SHA1 object, got '%s'", arg); - oid_array_append(haves, &oid); + got_oid(data, arg, &oid); + data->seen_haves = 1; return 1; } @@ -1552,13 +1562,13 @@ static void trace2_fetch_info(struct upload_pack_data *data) struct json_writer jw = JSON_WRITER_INIT; jw_object_begin(&jw, 0); - jw_object_intmax(&jw, "haves", data->haves.nr); + jw_object_intmax(&jw, "haves", data->have_obj.nr); jw_object_intmax(&jw, "wants", data->want_obj.nr); - jw_object_intmax(&jw, "want-refs", data->wanted_refs.nr); + jw_object_intmax(&jw, "want-refs", strmap_get_size(&data->wanted_refs)); jw_object_intmax(&jw, "depth", data->depth); jw_object_intmax(&jw, "shallows", data->shallows.nr); jw_object_bool(&jw, "deepen-since", data->deepen_since); - jw_object_intmax(&jw, "deepen-not", data->deepen_not.nr); + jw_object_intmax(&jw, "deepen-not", oidset_size(&data->deepen_not)); jw_object_bool(&jw, "deepen-relative", data->deepen_relative); if (data->filter_options.choice) jw_object_string(&jw, "filter", list_object_filter_config_name(data->filter_options.choice)); @@ -1586,7 +1596,7 @@ static void process_args(struct packet_reader *request, &data->hidden_refs, &data->want_obj)) continue; /* process have line */ - if (parse_have(arg, &data->haves)) + if (parse_have(arg, data)) continue; /* process args like thin-pack */ @@ -1638,14 +1648,17 @@ static void process_args(struct packet_reader *request, continue; } - if ((git_env_bool("GIT_TEST_SIDEBAND_ALL", 0) || - data->allow_sideband_all) && + if (data->allow_sideband_all && !strcmp(arg, "sideband-all")) { data->writer.use_sideband = 1; continue; } - if (skip_prefix(arg, "packfile-uris ", &p)) { + if (data->allow_packfile_uris && + skip_prefix(arg, "packfile-uris ", &p)) { + if (data->uri_protocols.nr) + send_err_and_die(data, + "multiple packfile-uris lines forbidden"); string_list_split(&data->uri_protocols, p, ',', -1); continue; } @@ -1664,27 +1677,7 @@ static void process_args(struct packet_reader *request, trace2_fetch_info(data); } -static int process_haves(struct upload_pack_data *data, struct oid_array *common) -{ - int i; - - /* Process haves */ - for (i = 0; i < data->haves.nr; i++) { - const struct object_id *oid = &data->haves.oid[i]; - - if (!repo_has_object_file_with_flags(the_repository, oid, - OBJECT_INFO_QUICK | OBJECT_INFO_SKIP_FETCH_OBJECT)) - continue; - - oid_array_append(common, oid); - - do_got_oid(data, oid); - } - - return 0; -} - -static int send_acks(struct upload_pack_data *data, struct oid_array *acks) +static int send_acks(struct upload_pack_data *data, struct object_array *acks) { int i; @@ -1696,7 +1689,7 @@ static int send_acks(struct upload_pack_data *data, struct oid_array *acks) for (i = 0; i < acks->nr; i++) { packet_writer_write(&data->writer, "ACK %s\n", - oid_to_hex(&acks->oid[i])); + oid_to_hex(&acks->objects[i].item->oid)); } if (!data->wait_for_done && ok_to_give_up(data)) { @@ -1710,13 +1703,11 @@ static int send_acks(struct upload_pack_data *data, struct oid_array *acks) static int process_haves_and_send_acks(struct upload_pack_data *data) { - struct oid_array common = OID_ARRAY_INIT; int ret = 0; - process_haves(data, &common); if (data->done) { ret = 1; - } else if (send_acks(data, &common)) { + } else if (send_acks(data, &data->have_obj)) { packet_writer_delim(&data->writer); ret = 1; } else { @@ -1725,24 +1716,23 @@ static int process_haves_and_send_acks(struct upload_pack_data *data) ret = 0; } - oid_array_clear(&data->haves); - oid_array_clear(&common); return ret; } static void send_wanted_ref_info(struct upload_pack_data *data) { - const struct string_list_item *item; + struct hashmap_iter iter; + const struct strmap_entry *e; - if (!data->wanted_refs.nr) + if (strmap_empty(&data->wanted_refs)) return; packet_writer_write(&data->writer, "wanted-refs\n"); - for_each_string_list_item(item, &data->wanted_refs) { + strmap_for_each_entry(&data->wanted_refs, &iter, e) { packet_writer_write(&data->writer, "%s %s\n", - oid_to_hex(item->util), - item->string); + oid_to_hex(e->value), + e->key); } packet_writer_delim(&data->writer); @@ -1771,7 +1761,7 @@ enum fetch_state { FETCH_DONE, }; -int upload_pack_v2(struct repository *r UNUSED, struct packet_reader *request) +int upload_pack_v2(struct repository *r, struct packet_reader *request) { enum fetch_state state = FETCH_PROCESS_ARGS; struct upload_pack_data data; @@ -1780,7 +1770,7 @@ int upload_pack_v2(struct repository *r UNUSED, struct packet_reader *request) upload_pack_data_init(&data); data.use_sideband = LARGE_PACKET_MAX; - get_upload_pack_config(&data); + get_upload_pack_config(r, &data); while (state != FETCH_DONE) { switch (state) { @@ -1796,7 +1786,7 @@ int upload_pack_v2(struct repository *r UNUSED, struct packet_reader *request) * they didn't want anything. */ state = FETCH_DONE; - } else if (data.haves.nr) { + } else if (data.seen_haves) { /* * Request had 'have' lines, so lets ACK them. */ @@ -1839,41 +1829,28 @@ int upload_pack_v2(struct repository *r UNUSED, struct packet_reader *request) int upload_pack_advertise(struct repository *r, struct strbuf *value) { - if (value) { - int allow_filter_value; - int allow_ref_in_want; - int allow_sideband_all_value; - char *str = NULL; + struct upload_pack_data data; + upload_pack_data_init(&data); + get_upload_pack_config(r, &data); + + if (value) { strbuf_addstr(value, "shallow wait-for-done"); - if (!repo_config_get_bool(r, - "uploadpack.allowfilter", - &allow_filter_value) && - allow_filter_value) + if (data.allow_filter) strbuf_addstr(value, " filter"); - if (!repo_config_get_bool(r, - "uploadpack.allowrefinwant", - &allow_ref_in_want) && - allow_ref_in_want) + if (data.allow_ref_in_want) strbuf_addstr(value, " ref-in-want"); - if (git_env_bool("GIT_TEST_SIDEBAND_ALL", 0) || - (!repo_config_get_bool(r, - "uploadpack.allowsidebandall", - &allow_sideband_all_value) && - allow_sideband_all_value)) + if (data.allow_sideband_all) strbuf_addstr(value, " sideband-all"); - if (!repo_config_get_string(r, - "uploadpack.blobpackfileuri", - &str) && - str) { + if (data.allow_packfile_uris) strbuf_addstr(value, " packfile-uris"); - free(str); - } } + upload_pack_data_clear(&data); + return 1; } diff --git a/userdiff.c b/userdiff.c index e399543823..92ef649c99 100644 --- a/userdiff.c +++ b/userdiff.c @@ -3,6 +3,7 @@ #include "userdiff.h" #include "attr.h" #include "strbuf.h" +#include "environment.h" static struct userdiff_driver *drivers; static int ndrivers; @@ -323,8 +324,7 @@ static int userdiff_find_by_namelen_cb(struct userdiff_driver *driver, { struct find_by_namelen_data *cb_data = priv; - if (!strncmp(driver->name, cb_data->name, cb_data->len) && - !driver->name[cb_data->len]) { + if (!xstrncmpz(driver->name, cb_data->name, cb_data->len)) { cb_data->driver = driver; return 1; /* tell the caller to stop iterating */ } @@ -460,7 +460,8 @@ struct userdiff_driver *userdiff_get_textconv(struct repository *r, if (!driver->textconv) return NULL; - if (driver->textconv_want_cache && !driver->textconv_cache) { + if (driver->textconv_want_cache && !driver->textconv_cache && + have_git_dir()) { struct notes_cache *c = xmalloc(sizeof(*c)); struct strbuf name = STRBUF_INIT; @@ -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/wt-status.c b/wt-status.c index b5a29083df..2db4bb3a12 100644 --- a/wt-status.c +++ b/wt-status.c @@ -1093,8 +1093,11 @@ size_t wt_status_locate_end(const char *s, size_t len) strbuf_addf(&pattern, "\n%c %s", comment_line_char, cut_line); if (starts_with(s, pattern.buf + 1)) len = 0; - else if ((p = strstr(s, pattern.buf))) - len = p - s + 1; + else if ((p = strstr(s, pattern.buf))) { + size_t newlen = p - s + 1; + if (newlen < len) + len = newlen; + } strbuf_release(&pattern); return len; } @@ -1107,12 +1110,15 @@ void wt_status_append_cut_line(struct strbuf *buf) strbuf_add_commented_lines(buf, explanation, strlen(explanation), comment_line_char); } -void wt_status_add_cut_line(FILE *fp) +void wt_status_add_cut_line(struct wt_status *s) { struct strbuf buf = STRBUF_INIT; + if (s->added_cut_line) + return; + s->added_cut_line = 1; wt_status_append_cut_line(&buf); - fputs(buf.buf, fp); + fputs(buf.buf, s->fp); strbuf_release(&buf); } @@ -1143,11 +1149,12 @@ static void wt_longstatus_print_verbose(struct wt_status *s) * file (and even the "auto" setting won't work, since it * will have checked isatty on stdout). But we then do want * to insert the scissor line here to reliably remove the - * diff before committing. + * diff before committing, if we didn't already include one + * before. */ if (s->fp != stdout) { rev.diffopt.use_color = 0; - wt_status_add_cut_line(s->fp); + wt_status_add_cut_line(s); } if (s->verbose > 1 && s->committable) { /* print_updated() printed a header, so do we */ diff --git a/wt-status.h b/wt-status.h index 819dcad723..4e377ce62b 100644 --- a/wt-status.h +++ b/wt-status.h @@ -23,7 +23,8 @@ enum color_wt_status { }; enum untracked_status_type { - SHOW_NO_UNTRACKED_FILES, + SHOW_UNTRACKED_FILES_ERROR = -1, + SHOW_NO_UNTRACKED_FILES = 0, SHOW_NORMAL_UNTRACKED_FILES, SHOW_ALL_UNTRACKED_FILES }; @@ -130,6 +131,7 @@ struct wt_status { int rename_score; int rename_limit; enum wt_status_format status_format; + unsigned char added_cut_line; /* boolean */ struct wt_status_state state; struct object_id oid_commit; /* when not Initial */ @@ -147,7 +149,7 @@ struct wt_status { size_t wt_status_locate_end(const char *s, size_t len); void wt_status_append_cut_line(struct strbuf *buf); -void wt_status_add_cut_line(FILE *fp); +void wt_status_add_cut_line(struct wt_status *s); void wt_status_prepare(struct repository *r, struct wt_status *s); void wt_status_print(struct wt_status *s); void wt_status_collect(struct wt_status *s); |