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2021-04-07git-apply: allow simultaneous --cached and --3way optionsLibravatar Jerry Zhang1-0/+50
"git apply" does not allow "--cached" and "--3way" to be used together, since "--3way" writes conflict markers into the working tree. Allow "git apply" to accept "--cached" and "--3way" at the same time. When a single file auto-resolves cleanly, the result is placed in the index at stage #0 and the command exits with 0 status. For a file that has a conflict which cannot be cleanly auto-resolved, the original contents from common ancestor (stage conflict at the content level, and the command exists with non-zero status, because there is no place (like the working tree) to leave a half-resolved merge for the user to resolve. The user can use `git diff` to view the contents of the conflict, or `git checkout -m -- .` to regenerate the conflict markers in the working directory. Don't attempt rerere in this case since it depends on conflict markers written to file for its database storage and lookup. There would be two main changes required to get rerere working: 1. Allow the rerere api to accept in memory object rather than files, which would allow us to pass in the conflict markers contained in the result from ll_merge(). 2. Rerere can't write to the working directory, so it would have to apply the result to cache stage #0 directly. A flag would be needed to control this. Signed-off-by: Jerry Zhang <jerry@skydio.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-04-06git-apply: try threeway first when "--3way" is usedLibravatar Jerry Zhang1-0/+20
The apply_fragments() method of "git apply" can silently apply patches incorrectly if a file has repeating contents. In these cases a three-way merge is capable of applying it correctly in more situations, and will show a conflict rather than applying it incorrectly. However, because the patches apply "successfully" using apply_fragments(), git will never fall back to the merge, even if the "--3way" flag is used, and the user has no way to ensure correctness by forcing the three-way merge method. Change the behavior so that when "--3way" is used, git will always try the three-way merge first and will only fall back to apply_fragments() in cases where blobs are not available or some other error (but not in the case of a merge conflict). Since user-facing results will be different, this has backwards compatibility implications for users depending on the old behavior. In addition, the three-way merge will be slower than direct patch application. Signed-off-by: Jerry Zhang <jerry@skydio.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-04-02Merge branch 'zh/format-patch-fractional-reroll-count'Libravatar Junio C Hamano2-0/+58
"git format-patch -v<n>" learned to allow a reroll count that is not an integer. * zh/format-patch-fractional-reroll-count: format-patch: allow a non-integral version numbers
2021-04-02Merge branch 'jh/simple-ipc'Libravatar Junio C Hamano4-0/+911
A simple IPC interface gets introduced to build services like fsmonitor on top. * jh/simple-ipc: t0052: add simple-ipc tests and t/helper/test-simple-ipc tool simple-ipc: add Unix domain socket implementation unix-stream-server: create unix domain socket under lock unix-socket: disallow chdir() when creating unix domain sockets unix-socket: add backlog size option to unix_stream_listen() unix-socket: eliminate static unix_stream_socket() helper function simple-ipc: add win32 implementation simple-ipc: design documentation for new IPC mechanism pkt-line: add options argument to read_packetized_to_strbuf() pkt-line: add PACKET_READ_GENTLE_ON_READ_ERROR option pkt-line: do not issue flush packets in write_packetized_*() pkt-line: eliminate the need for static buffer in packet_write_gently()
2021-03-30Merge branch 'ab/detox-gettext-tests'Libravatar Junio C Hamano1-1/+1
Testfix. * ab/detox-gettext-tests: mktag tests: fix broken "&&" chain
2021-03-30Merge branch 'rf/send-email-hookspath'Libravatar Junio C Hamano1-0/+32
"git send-email" learned to honor the core.hooksPath configuration. * rf/send-email-hookspath: git-send-email: Respect core.hooksPath setting
2021-03-30Merge branch 'ab/remove-rebase-usebuiltin'Libravatar Junio C Hamano1-16/+0
Remove the final hint that we used to have a scripted "git rebase". * ab/remove-rebase-usebuiltin: rebase: remove transitory rebase.useBuiltin setting & env
2021-03-30Merge branch 'ab/diff-no-index-tests'Libravatar Junio C Hamano1-0/+60
More test coverage over "diff --no-index". * ab/diff-no-index-tests: diff --no-index tests: test mode normalization diff --no-index tests: add test for --exit-code
2021-03-30Merge branch 'ab/read-tree'Libravatar Junio C Hamano2-0/+80
Code simplification by removing support for a caller that is long gone. * ab/read-tree: tree.h API: simplify read_tree_recursive() signature tree.h API: expose read_tree_1() as read_tree_at() archive: stop passing "stage" through read_tree_recursive() ls-files: refactor away read_tree() ls-files: don't needlessly pass around stage variable tree.c API: move read_tree() into builtin/ls-files.c ls-files tests: add meaningful --with-tree tests show tests: add test for "git show <tree>"
2021-03-30Merge branch 'mt/checkout-remove-nofollow'Libravatar Junio C Hamano1-0/+12
When "git checkout" removes a path that does not exist in the commit it is checking out, it wasn't careful enough not to follow symbolic links, which has been corrected. * mt/checkout-remove-nofollow: checkout: don't follow symlinks when removing entries symlinks: update comment on threaded_check_leading_path()
2021-03-26Merge branch 'cm/rebase-i-fixup-amend-reword'Libravatar Junio C Hamano2-27/+162
"git commit --fixup=<commit>", which was to tweak the changes made to the contents while keeping the original log message intact, learned "--fixup=(amend|reword):<commit>", that can be used to tweak both the message and the contents, and only the message, respectively. * cm/rebase-i-fixup-amend-reword: doc/git-commit: add documentation for fixup=[amend|reword] options t3437: use --fixup with options to create amend! commit t7500: add tests for --fixup=[amend|reword] options commit: add a reword suboption to --fixup commit: add amend suboption to --fixup to create amend! commit sequencer: export and rename subject_length()
2021-03-26Merge branch 'cm/rebase-i-updates'Libravatar Junio C Hamano2-59/+70
Follow-up fixes to "cm/rebase-i" topic. * cm/rebase-i-updates: doc/rebase -i: fix typo in the documentation of 'fixup' command t/t3437: fixup the test 'multiple fixup -c opens editor once' t/t3437: use named commits in the tests t/t3437: simplify and document the test helpers t/t3437: check the author date of fixed up commit t/t3437: remove the dependency of 'expected-message' file from tests t/t3437: fixup here-docs in the 'setup' test t/lib-rebase: update the documentation of FAKE_LINES rebase -i: clarify and fix 'fixup -c' rebase-todo help sequencer: rename a few functions sequencer: fixup the datatype of the 'flag' argument
2021-03-26Merge branch 'cm/rebase-i'Libravatar Junio C Hamano6-18/+317
"rebase -i" is getting cleaned up and also enhanced. * cm/rebase-i: doc/git-rebase: add documentation for fixup [-C|-c] options rebase -i: teach --autosquash to work with amend! t3437: test script for fixup [-C|-c] options in interactive rebase rebase -i: add fixup [-C | -c] command sequencer: use const variable for commit message comments sequencer: pass todo_item to do_pick_commit() rebase -i: comment out squash!/fixup! subjects from squash message sequencer: factor out code to append squash message rebase -i: only write fixup-message when it's needed
2021-03-24Merge branch 'nk/diff-index-fsmonitor'Libravatar Junio C Hamano2-2/+6
"git diff-index" codepath has been taught to trust fsmonitor status to reduce number of lstat() calls. * nk/diff-index-fsmonitor: fsmonitor: add perf test for git diff HEAD fsmonitor: add assertion that fsmonitor is valid to check_removed fsmonitor: skip lstat deletion check during git diff-index
2021-03-24Merge branch 'jk/fail-prereq-testfix'Libravatar Junio C Hamano2-3/+6
GIT_TEST_FAIL_PREREQS is a mechanism to skip test pieces with prerequisites to catch broken tests that depend on the side effects of optional pieces, but did not work at all when negative prerequisites were involved. * jk/fail-prereq-testfix: t: annotate !PTHREADS tests with !FAIL_PREREQS
2021-03-24Merge branch 'tb/geometric-repack'Libravatar Junio C Hamano4-3/+420
"git repack" so far has been only capable of repacking everything under the sun into a single pack (or split by size). A cleverer strategy to reduce the cost of repacking a repository has been introduced. * tb/geometric-repack: builtin/pack-objects.c: ignore missing links with --stdin-packs builtin/repack.c: reword comment around pack-objects flags builtin/repack.c: be more conservative with unsigned overflows builtin/repack.c: assign pack split later t7703: test --geometric repack with loose objects builtin/repack.c: do not repack single packs with --geometric builtin/repack.c: add '--geometric' option packfile: add kept-pack cache for find_kept_pack_entry() builtin/pack-objects.c: rewrite honor-pack-keep logic p5303: measure time to repack with keep p5303: add missing &&-chains builtin/pack-objects.c: add '--stdin-packs' option revision: learn '--no-kept-objects' packfile: introduce 'find_kept_pack_entry()'
2021-03-23mktag tests: fix broken "&&" chainLibravatar Ævar Arnfjörð Bjarmason1-1/+1
Remove a stray "xb" I inadvertently introduced in 780aa0a21e0 (tests: remove last uses of GIT_TEST_GETTEXT_POISON=false, 2021-02-11). Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-23git-send-email: Respect core.hooksPath settingLibravatar Robert Foss1-0/+32
get-send-email currently makes the assumption that the 'sendemail-validate' hook exists inside of the repository. Since the introduction of 'core.hooksPath' configuration option in 867ad08a261 (hooks: allow customizing where the hook directory is, 2016-05-04), this is no longer true. Instead of assuming a hardcoded repo relative path, query git for the actual path of the hooks directory. Signed-off-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-23rebase: remove transitory rebase.useBuiltin setting & envLibravatar Ævar Arnfjörð Bjarmason1-16/+0
Remove the rebase.useBuiltin setting and the now-obsolete GIT_TEST_REBASE_USE_BUILTIN test flag. This was left in place after my d03ebd411c6 (rebase: remove the rebase.useBuiltin setting, 2019-03-18) to help anyone who'd used the experimental flag and wanted to know that it was the default, or that they should transition their test environment to use the builtin rebase unconditionally. It's been more than long enough for those users to get a headsup about this. So remove all the scaffolding that was left inplace after d03ebd411c6. I'm also removing the documentation entry, if anyone still has this left in their configuration they can do some source archaeology to figure out what it used to do, which makes more sense than exposing every git user reading the documentation to this legacy configuration switch. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Acked-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-23format-patch: allow a non-integral version numbersLibravatar ZheNing Hu2-0/+58
The `-v<n>` option of `format-patch` can give nothing but an integral iteration number to patches in a series.  Some people, however, prefer to mark a new iteration with only a small fixup with a non integral iteration number (e.g. an "oops, that was wrong" fix-up patch for v4 iteration may be labeled as "v4.1"). Allow `format-patch` to take such a non-integral iteration number. `<n>` can be any string, such as '3.1' or '4rev2'. In the case where it is a non-integral value, the "Range-diff" and "Interdiff" headers will not include the previous version. Signed-off-by: ZheNing Hu <adlternative@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-22Merge branch 'bc/clone-bare-with-conflicting-config'Libravatar Junio C Hamano1-0/+8
"git -c core.bare=false clone --bare ..." would have segfaulted, which has been corrected. * bc/clone-bare-with-conflicting-config: builtin/init-db: handle bare clones when core.bare set to false
2021-03-22Merge branch 'jk/filter-branch-sha256'Libravatar Junio C Hamano1-0/+31
Code clean-up. * jk/filter-branch-sha256: filter-branch: drop $_x40 glob filter-branch: drop multiple-ancestor warning t7003: test ref rewriting explicitly
2021-03-22Merge branch 'sv/t9801-test-path-is-file-cleanup'Libravatar Junio C Hamano1-19/+19
Test cleanup. * sv/t9801-test-path-is-file-cleanup: t9801: replace test -f with test_path_is_file
2021-03-22Merge branch 'rs/pretty-describe'Libravatar Junio C Hamano2-0/+49
"git log --format='...'" learned "%(describe)" placeholder. * rs/pretty-describe: archive: expand only a single %(describe) per archive pretty: document multiple %(describe) being inconsistent t4205: assert %(describe) test coverage pretty: add merge and exclude options to %(describe) pretty: add %(describe)
2021-03-22Merge branch 'dl/stash-show-untracked'Libravatar Junio C Hamano1-0/+108
"git stash show" learned to optionally show untracked part of the stash. * dl/stash-show-untracked: stash show: learn stash.showIncludeUntracked stash show: teach --include-untracked and --only-untracked
2021-03-22Merge branch 'jk/perf-in-worktrees'Libravatar Junio C Hamano1-9/+22
Perf test update to work better in secondary worktrees. * jk/perf-in-worktrees: t/perf: avoid copying worktree files from test repo t/perf: handle worktrees as test repos
2021-03-22Merge branch 'ds/commit-graph-generation-config'Libravatar Junio C Hamano4-7/+4
A new configuration variable has been introduced to allow choosing which version of the generation number gets used in the commit-graph file. * ds/commit-graph-generation-config: commit-graph: use config to specify generation type commit-graph: create local repository pointer
2021-03-22Merge branch 'ab/remote-write-config-in-camel-case'Libravatar Junio C Hamano2-0/+4
Update C code that sets a few configuration variables when a remote is configured so that it spells configuration variable names in the canonical camelCase. * ab/remote-write-config-in-camel-case: remote: write camel-cased *.pushRemote on rename remote: add camel-cased *.tagOpt key, like clone
2021-03-22Merge branch 'mt/cleanly-die-upon-missing-required-filter'Libravatar Junio C Hamano1-0/+24
We had a code to diagnose and die cleanly when a required clean/smudge filter is missing, but an assert before that unnecessarily fired, hiding the end-user facing die() message. * mt/cleanly-die-upon-missing-required-filter: convert: fail gracefully upon missing clean cmd on required filter
2021-03-22Merge branch 'jk/open-dotgitx-with-nofollow'Libravatar Junio C Hamano3-3/+98
It does not make sense to make ".gitattributes", ".gitignore" and ".mailmap" symlinks, as they are supposed to be usable from the object store (think: bare repositories where HEAD:.mailmap etc. are used). When these files are symbolic links, we used to read the contents of the files pointed by them by mistake, which has been corrected. * jk/open-dotgitx-with-nofollow: mailmap: do not respect symlinks for in-tree .mailmap exclude: do not respect symlinks for in-tree .gitignore attr: do not respect symlinks for in-tree .gitattributes exclude: add flags parameter to add_patterns() attr: convert "macro_ok" into a flags field add open_nofollow() helper
2021-03-22diff --no-index tests: test mode normalizationLibravatar Ævar Arnfjörð Bjarmason1-0/+55
When "git diff --no-index X Y" is run the modes of the files being differ are normalized by canon_mode() in fill_filespec(). I recently broke that behavior in a patch of mine[1] which would pass all tests, or not, depending on the umask of the git.git checkout. Let's test for this explicitly. Arguably this should not be the behavior of "git diff --no-index". We aren't diffing our own objects or the index, so it might be useful to show mode differences between files. On the other hand diff(1) does not do that, and it would be needlessly distracting when e.g. diffing an extracted tar archive whose contents is the same, but whose file modes are different. 1. https://lore.kernel.org/git/20210316155829.31242-2-avarab@gmail.com/ Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-22t0052: add simple-ipc tests and t/helper/test-simple-ipc toolLibravatar Jeff Hostetler4-0/+911
Create t0052-simple-ipc.sh with unit tests for the "simple-ipc" mechanism. Create t/helper/test-simple-ipc test tool to exercise the "simple-ipc" functions. When the tool is invoked with "run-daemon", it runs a server to listen for "simple-ipc" connections on a test socket or named pipe and responds to a set of commands to exercise/stress the communication setup. When the tool is invoked with "start-daemon", it spawns a "run-daemon" command in the background and waits for the server to become ready before exiting. (This helps make unit tests in t0052 more predictable and avoids the need for arbitrary sleeps in the test script.) The tool also has a series of client "send" commands to send commands and data to a server instance. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-22diff --no-index tests: add test for --exit-codeLibravatar Ævar Arnfjörð Bjarmason1-0/+5
Add a test for --exit-code working with --no-index. There's no reason to suppose it wouldn't, but we weren't testing for it anywhere in our tests. Let's fix that blind spot. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-20ls-files tests: add meaningful --with-tree testsLibravatar Ævar Arnfjörð Bjarmason1-0/+41
Add tests for "ls-files --with-tree". There was effectively no coverage for any normal usage of this command, only the tests added in 54e1abce90e (Add test case for ls-files --with-tree, 2007-10-03) for an obscure bug. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-20show tests: add test for "git show <tree>"Libravatar Ævar Arnfjörð Bjarmason1-0/+39
Add missing tests for showing a tree with "git show". Let's test for showing a tree, two trees, and that doing so doesn't recurse. The only tests for this code added in 5d7eeee2ac6 (git-show: grok blobs, trees and tags, too, 2006-12-14) were the tests in t7701-repack-unpack-unreachable.sh added in ccc1297226b (repack: modify behavior of -A option to leave unreferenced objects unpacked, 2008-05-09). Let's add this common mode of operation to the "show" tests themselves. It's more obvious, and the tests in t7701-repack-unpack-unreachable.sh happily pass if we start buggily emitting trees recursively. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-19Merge branch 'jt/clone-unborn-head'Libravatar Junio C Hamano1-1/+1
Test fix. * jt/clone-unborn-head: t5606: run clone branch name test with protocol v2
2021-03-19Merge branch 'jk/bisect-peel-tag-fix'Libravatar Junio C Hamano1-0/+12
"git bisect" reimplemented more in C during 2.30 timeframe did not take an annotated tag as a good/bad endpoint well. This regression has been corrected. * jk/bisect-peel-tag-fix: bisect: peel annotated tags to commits
2021-03-19Merge branch 'jc/calloc-fix'Libravatar Junio C Hamano1-1/+1
Code clean-up. * jc/calloc-fix: xcalloc: use CALLOC_ARRAY() when applicable
2021-03-19builtin/pack-objects.c: ignore missing links with --stdin-packsLibravatar Taylor Blau1-0/+38
When 'git pack-objects --stdin-packs' encounters a commit in a pack, it marks it as a starting point of a best-effort reachability traversal that is used to populate the name-hash of the objects listed in the given packs. The traversal expects that it should be able to walk the ancestors of all commits in a pack without issue. Ordinarily this is the case, but it is possible to having missing parents from an unreachable part of the repository. In that case, we'd consider any missing objects in the unreachable portion of the graph to be junk. This should be handled gracefully: since the traversal is best-effort (i.e., we don't strictly need to fill in all of the name-hash fields), we should simply ignore any missing links. This patch does that (by setting the 'ignore_missing_links' bit on the rev_info struct), and ensures we don't regress in the future by adding a test which demonstrates this case. It is a little over-eager, since it will also ignore missing links in reachable parts of the packs (which would indicate a corrupted repository), but '--stdin-packs' is explicitly *not* about reachability. So this step isn't making anything worse for a repository which contains packs missing reachable objects (since we never drop objects with '--stdin-packs'). Signed-off-by: Taylor Blau <me@ttaylorr.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-18t: annotate !PTHREADS tests with !FAIL_PREREQSLibravatar Jeff King2-3/+6
Some tests in t5300 and t7810 expect us to complain about a "--threads" argument when Git is compiled without pthread support. Running these under GIT_TEST_FAIL_PREREQS produces a confusing failure: we pretend to the tests that there is no pthread support, so they expect the warning, but of course the actual build is perfectly happy to respect the --threads argument. We never noticed before the recent a926c4b904 (tests: remove most uses of C_LOCALE_OUTPUT, 2021-02-11), because the tests also were marked as requiring the C_LOCALE_OUTPUT prerequisite. Which means they'd never have run in FAIL_PREREQS mode, since it would always pretend that the locale prereq was not satisfied. These tests can't possibly work in this mode; it is a mismatch between what the tests expect and what the build was told to do. So let's just mark them to be skipped, using the special prereq introduced by dfe1a17df9 (tests: add a special setup where prerequisites fail, 2019-05-13). Reported-by: Son Luong Ngoc <sluongng@gmail.com> Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-18fsmonitor: add perf test for git diff HEADLibravatar Nipunn Koorapati2-2/+6
Update the xargs call so that if your large repo contains symlinks, test-tool chmtime failure does not end the script. On Linux Test this tree upstream/master --------------------------------------------------------------------------------------------------------- 7519.4: status (fsmonitor=fsmonitor-watchman) 0.52(0.43+0.10) 0.53(0.49+0.05) +1.9% 7519.5: status -uno (fsmonitor=fsmonitor-watchman) 0.21(0.15+0.07) 0.22(0.13+0.09) +4.8% 7519.6: status -uall (fsmonitor=fsmonitor-watchman) 1.65(0.93+0.71) 1.69(1.03+0.65) +2.4% 7519.7: status (dirty) (fsmonitor=fsmonitor-watchman) 11.99(11.34+1.58) 11.95(11.02+1.79) -0.3% 7519.8: diff (fsmonitor=fsmonitor-watchman) 0.25(0.17+0.26) 0.25(0.18+0.26) +0.0% 7519.9: diff HEAD (fsmonitor=fsmonitor-watchman) 0.39(0.25+0.34) 0.89(0.35+0.74) +128.2% 7519.10: diff -- 0_files (fsmonitor=fsmonitor-watchman) 0.16(0.13+0.04) 0.16(0.12+0.05) +0.0% 7519.11: diff -- 10_files (fsmonitor=fsmonitor-watchman) 0.16(0.12+0.05) 0.16(0.12+0.05) +0.0% 7519.12: diff -- 100_files (fsmonitor=fsmonitor-watchman) 0.16(0.12+0.05) 0.16(0.12+0.05) +0.0% 7519.13: diff -- 1000_files (fsmonitor=fsmonitor-watchman) 0.16(0.11+0.06) 0.16(0.12+0.05) +0.0% 7519.14: diff -- 10000_files (fsmonitor=fsmonitor-watchman) 0.18(0.13+0.06) 0.17(0.10+0.08) -5.6% 7519.15: add (fsmonitor=fsmonitor-watchman) 2.25(1.53+0.68) 2.25(1.47+0.74) +0.0% 7519.18: status (fsmonitor=disabled) 0.88(0.73+1.03) 0.89(0.67+1.08) +1.1% 7519.19: status -uno (fsmonitor=disabled) 0.45(0.43+0.89) 0.45(0.34+0.98) +0.0% 7519.20: status -uall (fsmonitor=disabled) 1.88(1.16+1.58) 1.88(1.22+1.51) +0.0% 7519.21: status (dirty) (fsmonitor=disabled) 7.53(7.05+2.11) 7.53(6.98+2.04) +0.0% 7519.22: diff (fsmonitor=disabled) 0.42(0.37+0.92) 0.42(0.38+0.91) +0.0% 7519.23: diff HEAD (fsmonitor=disabled) 0.44(0.41+0.90) 0.44(0.40+0.91) +0.0% 7519.24: diff -- 0_files (fsmonitor=disabled) 0.13(0.09+0.05) 0.13(0.09+0.05) +0.0% 7519.25: diff -- 10_files (fsmonitor=disabled) 0.13(0.10+0.04) 0.13(0.10+0.04) +0.0% 7519.26: diff -- 100_files (fsmonitor=disabled) 0.13(0.09+0.05) 0.13(0.10+0.04) +0.0% 7519.27: diff -- 1000_files (fsmonitor=disabled) 0.13(0.09+0.06) 0.13(0.09+0.05) +0.0% 7519.28: diff -- 10000_files (fsmonitor=disabled) 0.14(0.11+0.05) 0.14(0.10+0.05) +0.0% 7519.29: add (fsmonitor=disabled) 2.43(1.61+1.64) 2.43(1.69+1.57) +0.0% On linux (2.29.2 vs w/ this patch): nipunn@nipunn-dbx:~/src/server3$ strace -f -c git diff 2>&1 | grep lstat 0.04 0.000063 3 20 6 lstat nipunn@nipunn-dbx:~/src/server3$ strace -f -c git diff HEAD 2>&1 | grep lstat 94.98 5.242262 10 523783 13 lstat nipunn@nipunn-dbx:~/src/server3$ strace -f -c ../git/bin-wrappers/git diff 2>&1 | grep lstat 0.38 0.000032 5 7 3 lstat nipunn@nipunn-dbx:~/src/server3$ strace -f -c ../git/bin-wrappers/git diff HEAD 2>&1 | grep lstat 99.44 0.741892 9 81634 10 lstat On mac (2.29.2 vs w/ this patch): nipunn-mbp:server nipunn$ sudo dtruss -L -f -c git diff 2>&1 | grep "^lstat64 " lstat64 8 nipunn-mbp:server nipunn$ sudo dtruss -L -f -c git diff HEAD 2>&1 | grep "^lstat64 " lstat64 120242 nipunn-mbp:server nipunn$ sudo dtruss -L -f -c ../git/bin-wrappers/git diff 2>&1 | grep "^lstat64 " lstat64 4 nipunn-mbp:server nipunn$ sudo dtruss -L -f -c ../git/bin-wrappers/git diff HEAD 2>&1 | grep "^lstat64 " lstat64 4497 There are still a bunch of lstats - on directories, but not every file. Progress! Signed-off-by: Nipunn Koorapati <nipunn@dropbox.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-18checkout: don't follow symlinks when removing entriesLibravatar Matheus Tavares1-0/+12
At 1d718a5108 ("do not overwrite untracked symlinks", 2011-02-20), symlink.c:check_leading_path() started returning different codes for FL_ENOENT and FL_SYMLINK. But one of its callers, unlink_entry(), was not adjusted for this change, so it started to follow symlinks on the leading path of to-be-removed entries. Fix that and add a regression test. Note that since 1d718a5108 check_leading_path() no longer differentiates the case where it found a symlink in the path's leading components from the cases where it found a regular file or failed to lstat() the component. So, a side effect of this current patch is that unlink_entry() now returns early in all of these three cases. And because we no longer try to unlink such paths, we also don't get the warning from remove_or_warn(). For the regular file and symlink cases, it's questionable whether the warning was useful in the first place: unlink_entry() removes tracked paths that should no longer be present in the state we are checking out to. If the path had its leading dir replaced by another file, it means that the basename already doesn't exist, so there is no need for a warning. Sure, we are leaving a regular file or symlink behind at the path's dirname, but this file is either untracked now (so again, no need to warn), or it will be replaced by a tracked file during the next phase of this checkout operation. As for failing to lstat() one of the leading components, the basename might still exist only we cannot unlink it (e.g. due to the lack of the required permissions). Since the user expect it to be removed (especially with checkout's --no-overlay option), add back the warning in this more relevant case. Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-17bisect: peel annotated tags to commitsLibravatar Jeff King1-0/+12
This patch fixes a bug where git-bisect doesn't handle receiving annotated tags as "git bisect good <tag>", etc. It's a regression in 27257bc466 (bisect--helper: reimplement `bisect_state` & `bisect_head` shell functions in C, 2020-10-15). The original shell code called: sha=$(git rev-parse --verify "$rev^{commit}") || die "$(eval_gettext "Bad rev input: \$rev")" which will peel the input to a commit (or complain if that's not possible). But the C code just calls get_oid(), which will yield the oid of the tag. The fix is to peel to a commit. The error message here is a little non-idiomatic for Git (since it starts with a capital). I've mostly left it, as it matches the other converted messages (like the "Bad rev input" we print when get_oid() fails), though I did add an indication that it was the peeling that was the problem. It might be worth taking a pass through this converted code to modernize some of the error messages. Note also that the test does a bare "grep" (not i18ngrep) on the expected "X is the first bad commit" output message. This matches the rest of the test script. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-17t5606: run clone branch name test with protocol v2Libravatar Jonathan Tan1-1/+1
4f37d45706 ("clone: respect remote unborn HEAD", 2021-02-05) introduces a new feature (if the remote has an unborn HEAD, e.g. when the remote repository is empty, use it as the name of the branch) that only works in protocol v2, but did not ensure that one of its tests always uses protocol v2, and thus that test would fail if GIT_TEST_PROTOCOL_VERSION=0 (or 1) is used. Therefore, add "-c protocol.version=2" to the appropriate test. (The rest of the tests from that commit have "-c protocol.version=2" already added.) Signed-off-by: Jonathan Tan <jonathantanmy@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-15xcalloc: use CALLOC_ARRAY() when applicableLibravatar Junio C Hamano1-1/+1
These are for codebase before Git 2.31 Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-15t3437: use --fixup with options to create amend! commitLibravatar Charvi Mendiratta1-27/+3
We taught `git commit --fixup` to create "amend!" commit. Let's also update the tests and use it to setup the rebase tests. Mentored-by: Christian Couder <chriscool@tuxfamily.org> Mentored-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Charvi Mendiratta <charvi077@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-15t7500: add tests for --fixup=[amend|reword] optionsLibravatar Charvi Mendiratta1-0/+159
Mentored-by: Christian Couder <chriscool@tuxfamily.org> Mentored-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: Charvi Mendiratta <charvi077@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-11archive: expand only a single %(describe) per archiveLibravatar René Scharfe1-0/+14
Every %(describe) placeholder in $Format:...$ strings in files with the attribute export-subst is expanded by calling git describe. This can potentially result in a lot of such calls per archive. That's OK for local repositories under control of the user of git archive, but could be a problem for hosted repositories. Expand only a single %(describe) placeholder per archive for now to avoid denial-of-service attacks. We can make this limit configurable later if needed, but let's start out simple. Reported-by: Jeff King <peff@peff.net> Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-10builtin/init-db: handle bare clones when core.bare set to falseLibravatar brian m. carlson1-0/+8
In 552955ed7f ("clone: use more conventional config/option layering", 2020-10-01), clone learned to read configuration options earlier in its execution, before creating the new repository. However, that led to a problem: if the core.bare setting is set to false in the global config, cloning a bare repository segfaults. This happens because the repository is falsely thought to be non-bare, but clone has set the work tree to NULL, which is then dereferenced. The code to initialize the repository already considers the fact that a user might want to override the --bare option for git init, but it doesn't take into account clone, which uses a different option. Let's just check that the work tree is not NULL, since that's how clone indicates that the repository is bare. This is also the case for git init, so we won't be regressing that case. Reported-by: Joseph Vusich <jvusich@amazon.com> Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2021-03-10t7003: test ref rewriting explicitlyLibravatar Jeff King1-0/+31
After it has rewritten all of the commits, filter-branch will then rewrite each of the input refs based on the resulting map of old/new commits. But we don't have any explicit test coverage of this code. Let's make sure we are covering each of those cases: - deleting a ref when all of its commits were pruned - rewriting a ref based on the mapping (this happens throughout the script, but let's make sure we generate the correct messages) - rewriting a ref whose tip was excluded, in which case we rewrite to the nearest ancestor. Note in this case that we still insist that no "warning" line is present (even though it looks like we'd trigger the "... was rewritten into multiple commits" one). See the next commit for more details. Note these all pass currently, but the latter two will fail when run with GIT_TEST_DEFAULT_HASH=sha256. Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>