| Age | Commit message (Collapse) | Author | Files | Lines |
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Optimize "git log" for cases where we wasted cycles to load ref
decoration data that may not be needed.
* jk/log-decorate-optim:
load_ref_decorations(): fix decoration with tags
add_ref_decoration(): rename s/type/deco_type/
load_ref_decorations(): avoid parsing non-tag objects
object.h: add lookup_object_by_type() function
object.h: expand docstring for lookup_unknown_object()
log: avoid loading decorations for userformats that don't need it
pretty.h: update and expand docstring for userformat_find_requirements()
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"git worktree add --lock" learned to record why the worktree is
locked with a custom message.
* sm/worktree-add-lock:
worktree: teach `add` to accept --reason <string> with --lock
worktree: mark lock strings with `_()` for translation
t2400: clean up '"add" worktree with lock' test
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Optimization for repositories with many alternate object store.
* ew/many-alternate-optim:
oidtree: a crit-bit tree for odb_loose_cache
oidcpy_with_padding: constify `src' arg
make object_directory.loose_objects_subdir_seen a bitmap
avoid strlen via strbuf_addstr in link_alt_odb_entry
speed up alt_odb_usable() with many alternates
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"git commit --allow-empty-message" won't abort the operation upon
an empty message, but the hint shown in the editor said otherwise.
* hj/commit-allow-empty-message:
commit: remove irrelavent prompt on `--allow-empty-message`
commit: reorganise commit hint strings
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"git rev-list" learns to omit the "commit <object-name>" header
lines from the output with the `--no-commit-header` option.
* bc/rev-list-without-commit-line:
rev-list: add option for --pretty=format without header
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"git send-email" optimization.
* ab/send-email-optim:
perl: nano-optimize by replacing Cwd::cwd() with Cwd::getcwd()
send-email: move trivial config handling to Perl
perl: lazily load some common Git.pm setup code
send-email: lazily load modules for a big speedup
send-email: get rid of indirect object syntax
send-email: use function syntax instead of barewords
send-email: lazily shell out to "git var"
send-email: lazily load config for a big speedup
send-email: copy "config_regxp" into git-send-email.perl
send-email: refactor sendemail.smtpencryption config parsing
send-email: remove non-working support for "sendemail.smtpssl"
send-email tests: test for boolean variables without a value
send-email tests: support GIT_TEST_PERL_FATAL_WARNINGS=true
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Update the documentation not to assume users are of certain gender
and adds to guidelines to do so.
* ds/gender-neutral-doc:
*: fix typos
comments: avoid using the gender of our users
doc: avoid using the gender of other people
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Prepare the internals for lazily fetching objects in submodules
from their promisor remotes.
* jt/partial-clone-submodule-1:
promisor-remote: teach lazy-fetch in any repo
run-command: refactor subprocess env preparation
submodule: refrain from filtering GIT_CONFIG_COUNT
promisor-remote: support per-repository config
repository: move global r_f_p_c to repo struct
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Tiny test clean-up.
* dd/test-stdout-count-lines:
t6402: preserve git exit status code
t6400: preserve git ls-files exit status code
test-lib-functions: introduce test_stdout_line_count
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Test clean-up.
* hn/refs-test-cleanup:
t7509: avoid direct file access for writing CHERRY_PICK_HEAD
t1415: avoid direct filesystem access for writing refs
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Fill test gaps.
* ab/mktag-tests:
mktag tests: test fast-export
mktag tests: test for-each-ref
mktag tests: test update-ref and reachable fsck
mktag tests: test hash-object --literally and unreachable fsck
mktag tests: invert --no-strict test
mktag tests: parse out options in helper
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Fill test gaps.
* ab/show-branch-tests:
show-branch tests: add missing tests
show-branch: don't <COLOR></RESET> for space characters
show-branch tests: modernize test code
show-branch tests: rename the one "show-branch" test file
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Code recently added to support common ancestry negotiation during
"git push" did not sanity check its arguments carefully enough.
* ab/fetch-negotiate-segv-fix:
fetch: fix segfault in --negotiate-only without --negotiation-tip=*
fetch: document the --negotiate-only option
send-pack.c: move "no refs in common" abort earlier
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When rebuilding the multi-pack index file reusing an existing one,
we used to blindly trust the existing file and ended up carrying
corrupted data into the updated file, which has been corrected.
* tb/midx-use-checksum:
midx: report checksum mismatches during 'verify'
midx: don't reuse corrupt MIDXs when writing
commit-graph: rewrite to use checksum_valid()
csum-file: introduce checksum_valid()
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The merge code had funny interactions between content based rename
detection and directory rename detection.
* en/merge-dir-rename-corner-case-fix:
merge-recursive: handle rename-to-self case
merge-ort: ensure we consult df_conflict and path_conflicts
t6423: test directory renames causing rename-to-self
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Performance tweaks of "git merge -sort" around lazy fetching of objects.
* en/ort-perf-batch-13:
merge-ort: add prefetching for content merges
diffcore-rename: use a different prefetch for basename comparisons
diffcore-rename: allow different missing_object_cb functions
t6421: add tests checking for excessive object downloads during merge
promisor-remote: output trace2 statistics for number of objects fetched
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More fix-ups and optimization to "merge -sort".
* en/ort-perf-batch-12:
merge-ort: miscellaneous touch-ups
Fix various issues found in comments
diffcore-rename: avoid unnecessary strdup'ing in break_idx
merge-ort: replace string_list_df_name_compare with faster alternative
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The default reason stored in the lock file, "added with --lock",
is unlikely to be what the user would have given in a separate
`git worktree lock` command. Allowing `--reason` to be specified
along with `--lock` when adding a working tree gives the user control
over the reason for locking without needing a second command.
Signed-off-by: Stephen Manz <smanz@alum.mit.edu>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit 88473c8bae ("load_ref_decorations(): avoid parsing non-tag
objects", 2021-06-22) introduced a shortcut to `add_ref_decoration()`:
Rather than calling `parse_object()`, we go for `oid_object_info()` and
then `lookup_object_by_type()` using the type just discovered. As
detailed in the commit message, this provides a significant time saving.
Unfortunately, it also changes the behavior: We lose all annotated tags
from the decoration.
The reason this happens is in the loop where we try to peel the tags, we
won't necessarily have parsed that first object. If we haven't, its
`tagged` field will be NULL, so we won't actually add a decoration for
the pointed-to object.
Make sure to parse the tag object at the top of the peeling loop. This
effectively restores the pre-88473c8bae parsing -- but only of tags,
allowing us to keep most of the possible speedup from 88473c8bae.
On my big ~220k ref test case (where it's mostly non-tags), the
timings [using "git log -1 --decorate"] are:
- before either patch: 2.945s
- with my broken patch: 0.707s
- with [this patch]: 0.788s
The simplest way to do this is to just conditionally parse before the
loop:
if (obj->type == OBJ_TAG)
parse_object(&obj->oid);
But we can observe that our tag-peeling loop needs to peel already, to
examine recursive tags-of-tags. So instead of introducing a new call to
parse_object(), we can simply move the parsing higher in the loop:
instead of parsing the new object before we loop, parse each tag object
before we look at its "tagged" field.
This has another beneficial side effect: if a tag points at a commit (or
other non-tag type), we do not bother to parse the commit at all now.
And we know it is a commit without calling oid_object_info(), because
parsing the surrounding tag object will have created the correct in-core
object based on the "type" field of the tag.
Our test coverage for --decorate was obviously not good, since we missed
this quite-basic regression. The new tests covers an annotated tag
(showing the fix), but also that we correctly show annotations for
lightweight tags and double-annotated tag-of-tags.
Reported-by: Martin Ågren <martin.agren@gmail.com>
Helped-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Reviewed-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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- remove unneeded `git rev-parse` which must have come from a copy-paste
of another test
- unlock the worktree with test_when_finished
Signed-off-by: Stephen Manz <smanz@alum.mit.edu>
Reviewed-by: Eric Sunshine <sunshine@sunshineco.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git grep --and -e foo" ought to have been diagnosed as an error
but instead segfaulted, which has been corrected.
* rs/grep-parser-fix:
grep: report missing left operand of --and
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Test fix.
* ab/pre-auto-gc-hook-test:
gc tests: add a test for the "pre-auto-gc" hook
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The "union" conflict resolution variant misbehaved when used with
binary merge driver.
* jk/union-merge-binary:
ll_union_merge(): rename path_unused parameter
ll_union_merge(): pass name labels to ll_xdl_merge()
ll_binary_merge(): handle XDL_MERGE_FAVOR_UNION
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Various updates to tests around "git describe"
* ab/describe-tests-fix:
describe tests: support -C in "check_describe"
describe tests: fix nested "test_expect_success" call
describe tests: don't rely on err.actual from "check_describe"
describe tests: refactor away from glob matching
describe tests: improve test for --work-tree & --dirty
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Rewrite the backend for "diff -G/-S" to use pcre2 engine when
available.
* ab/pickaxe-pcre2: (22 commits)
xdiff-interface: replace discard_hunk_line() with a flag
xdiff users: use designated initializers for out_line
pickaxe -G: don't special-case create/delete
pickaxe -G: terminate early on matching lines
xdiff-interface: allow early return from xdiff_emit_line_fn
xdiff-interface: prepare for allowing early return
pickaxe -S: slightly optimize contains()
pickaxe: rename variables in has_changes() for brevity
pickaxe -S: support content with NULs under --pickaxe-regex
pickaxe: assert that we must have a needle under -G or -S
pickaxe: refactor function selection in diffcore-pickaxe()
perf: add performance test for pickaxe
pickaxe/style: consolidate declarations and assignments
diff.h: move pickaxe fields together again
pickaxe: die when --find-object and --pickaxe-all are combined
pickaxe: die when -G and --pickaxe-regex are combined
pickaxe tests: add missing test for --no-pickaxe-regex being an error
pickaxe tests: test for -G, -S and --find-object incompatibility
pickaxe tests: add test for "log -S" not being a regex
pickaxe tests: add test for diffgrep_consume() internals
...
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Preliminary clean-up of tests before the main reftable changes
hits the codebase.
* hn/prep-tests-for-reftable: (22 commits)
t1415: set REFFILES for test specific to storage format
t4202: mark bogus head hash test with REFFILES
t7003: check reflog existence only for REFFILES
t7900: stop checking for loose refs
t1404: mark tests that muck with .git directly as REFFILES.
t2017: mark --orphan/logAllRefUpdates=false test as REFFILES
t1414: mark corruption test with REFFILES
t1407: require REFFILES for for_each_reflog test
test-lib: provide test prereq REFFILES
t5304: use "reflog expire --all" to clear the reflog
t5304: restyle: trim empty lines, drop ':' before >
t7003: use rev-parse rather than FS inspection
t5000: inspect HEAD using git-rev-parse
t5000: reformat indentation to the latest fashion
t1301: fix typo in error message
t1413: use tar to save and restore entire .git directory
t1401-symbolic-ref: avoid direct filesystem access
t1401: use tar to snapshot and restore repo state
t5601: read HEAD using rev-parse
t9300: check ref existence using test-helper rather than a file system check
...
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"git cat-file --batch-all-objects"" misbehaved when "--batch" is in
use and did not ask for certain object traits.
* zh/cat-file-batch-fix:
cat-file: merge two block into one
cat-file: handle trivial --batch format with --batch-all-objects
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In general, we encourage users to use plumbing commands, like git
rev-list, over porcelain commands, like git log, when scripting.
However, git rev-list has one glaring problem that prevents it from
being used in certain cases: when --pretty is used with a custom format,
it always prints out a line containing "commit" and the object ID. This
makes it unsuitable for many scripting needs, and forces users to use
git log instead.
While we can't change this behavior for backwards compatibility, we can
add an option to suppress this behavior, so let's do so, and call it
"--no-commit-header". Additionally, add the corresponding positive
option to switch it back on.
Note that this option doesn't affect the built-in formats, only custom
formats. This is exactly the same behavior as users already have from
git log and is what most users will be used to.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Even when the `--allow-empty-message` option is given, "git commit"
offers an interactive editor session with prefilled message that says
the commit will be aborted if the buffer is emptied, which is wrong.
Remove the "an empty message aborts" part from the message when the
option is given to fix it.
Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
Helped-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Hu Jialun <hujialun@comp.nus.edu.sg>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test code clean-up.
* ar/test-code-cleanup:
t: fix whitespace around &&
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Code clean-up.
* ab/cmd-foo-should-return:
builtins + test helpers: use return instead of exit() in cmd_*
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Output from some of our tests were affected by the width of the
terminal that they were run in, which has been corrected by
exporting a fixed value in the COLUMNS environment.
* ab/fix-columns-to-80-during-tests:
test-lib.sh: set COLUMNS=80 for --verbose repeatability
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Typofixes.
* ar/more-typofix:
git-worktree.txt: fix typo in example path
t: fix typos in test messages
blame: correct name of config option in docs
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Some test scripts assumed that readlink(1) was universally
installed and available, which is not the case.
* jk/test-without-readlink-1:
t: use portable wrapper for readlink(1)
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The side-band demultiplexer that is used to display progress output
from the remote end did not clear the line properly when the end of
line hits at a packet boundary, which has been corrected. Also
comes with test clean-ups.
* jx/sideband-cleanup:
test: refactor to use "get_abbrev_oid" to get abbrev oid
test: refactor to use "test_commit" to create commits
test: compare raw output, not mangle tabs and spaces
sideband: don't lose clear-to-eol at packet boundary
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We broke "GIT_SKIP_TESTS=t?000" to skip certain tests in recent
update, which got fixed.
* jk/test-avoid-globmatch-with-skip-patterns:
test-lib: avoid accidental globbing in match_pattern_list()
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Test fix.
* ab/config-hooks-path-testfix:
pre-commit hook tests: don't leave "actual" nonexisting on failure
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Work around inefficient glob substitution in older versions of bash
by rewriting parts of a test.
* jx/t6020-with-older-bash:
t6020: fix incompatible parameter expansion
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Typofixes.
* ar/typofix:
*: fix typos which duplicate a word
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"git-svn" tests assumed that "locale -a", which is used to pick an
available UTF-8 locale, is available everywhere. A knob has been
introduced to allow testers to specify a suitable locale to use.
* dd/svn-test-wo-locale-a:
t: use user-specified utf-8 locale for testing svn
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The recent --negotiate-only option would segfault in the call to
oid_array_for_each() in negotiate_using_fetch() unless one or more
--negotiation-tip=* options were provided.
All of the other tests for the feature combine both, but nothing was
checking this assumption, let's do that and add a test for it. Fixes a
bug in 9c1e657a8fd (fetch: teach independent negotiation (no
packfile), 2021-05-04).
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This saves 8K per `struct object_directory', meaning it saves
around 800MB in my case involving 100K alternates (half or more
of those alternates are unlikely to hold loose objects).
This is implemented in two parts: a generic, allocation-free
`cbtree' and the `oidtree' wrapper on top of it. The latter
provides allocation using alloc_state as a memory pool to
improve locality and reduce free(3) overhead.
Unlike oid-array, the crit-bit tree does not require sorting.
Performance is bound by the key length, for oidtree that is
fixed at sizeof(struct object_id). There's no need to have
256 oidtrees to mitigate the O(n log n) overhead like we did
with oid-array.
Being a prefix trie, it is natively suited for expanding short
object IDs via prefix-limited iteration in
`find_short_object_filename'.
On my busy workstation, p4205 performance seems to be roughly
unchanged (+/-8%). Startup with 100K total alternates with no
loose objects seems around 10-20% faster on a hot cache.
(800MB in memory savings means more memory for the kernel FS
cache).
The generic cbtree implementation does impose some extra
overhead for oidtree in that it uses memcmp(3) on
"struct object_id" so it wastes cycles comparing 12 extra bytes
on SHA-1 repositories. I've not yet explored reducing this
overhead, but I expect there are many places in our code base
where we'd want to investigate this.
More information on crit-bit trees: https://cr.yp.to/critbit.html
Signed-off-by: Eric Wong <e@80x24.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In t6402, we're checking number of files in the index and the working
tree by piping the output of Git's command to "wc -l", thus losing the
exit status code of git.
Let's use the new helper test_stdout_line_count in order to preserve
Git's exit status code.
Signed-off-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In t6400, we're checking number of files in the index and the working
tree by piping the output of "git ls-files" to "wc -l", thus losing the
exit status code of git.
Let's use the newly introduced test_stdout_line_count in order to check
the exit status code of Git's command.
Signed-off-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In some tests, we're checking the number of lines in output of some
commands, including but not limited to Git's command.
We're doing the check by running those commands in the left side of
a pipe, thus losing the exit status code of those commands. Meanwhile,
we really want to check the exit status code of Git's command.
Let's write the output of those commands to a temporary file, and use
test_line_count separately in order to check exit status code of
those commands properly.
Signed-off-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have a custom match_pattern_list() function which we use for matching
test names (like "t1234") against glob-like patterns (like "t1???") for
$GIT_SKIP_TESTS, --verbose-only, etc.
Those patterns may have multiple whitespace-separated elements (e.g.,
"t0* t1234 t5?78"). The callers of match_pattern_list thus pass the
strings unquoted, so that the shell does the usual field-splitting into
separate arguments.
But this also means the shell will do the usual globbing for each
argument, which can result in us seeing an expansion based on what's in
the filesystem, rather than the real pattern. For example, if I have the
path "t5000" in the filesystem, and you feed the pattern "t?000", that
_should_ match the string "t0000", but it won't after the shell has
expanded it to "t5000".
This has been a bug ever since that function was introduced. But it
didn't usually trigger since we typically use the function inside the
trash directory, which has a very limited set of files that are unlikely
to match. It became a lot easier to trigger after edc23840b0 (test-lib:
bring $remove_trash out of retirement, 2021-05-10), because now we match
$GIT_SKIP_TESTS before even entering the trash directory. So the t5000
example above can be seen with:
GIT_SKIP_TESTS=t?000 ./t0000-basic.sh
which should skip all tests but doesn't.
We can fix this by using "set -f" to ask the shell not to glob (which is
in POSIX, so should hopefully be portable enough). We only want to do
this in a subshell (to avoid polluting the rest of the script), which
means we need to get the whole string intact into the match_pattern_list
function by quoting it. Arguably this is a good idea anyway, since it
makes it much more obvious that we intend to split, and it's not simply
sloppy scripting.
Diagnosed-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Directory rename detection can cause transitive renames, e.g. if the two
different sides of history each do one half of:
A/file -> B/file
B/ -> C/
then directory rename detection transitively renames to give us
A/file -> C/file
However, when C/ == A/, note that this gives us
A/file -> A/file.
merge-recursive assumed that any rename D -> E would have D != E. While
that is almost always true, the above is a special case where it is not.
So we cannot do things like delete the rename source, we cannot assume
that a file existing at path E implies a rename/add conflict and we have
to be careful about what stages end up in the output.
This change feels a bit hackish. It took me surprisingly many hours to
find, and given merge-recursive's design causing it to attempt to
enumerate all combinations of edge and corner cases with special code
for each combination, I'm worried there are other similar fixes needed
elsewhere if we can just come up with the right special testcase.
Perhaps an audit would rule it out, but I have not the energy.
merge-recursive deserves to die, and since it is on its way out anyway,
fixing this particular bug narrowly will have to be good enough.
Reported-by: Anders Kaseorg <andersk@mit.edu>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Path conflicts (typically rename path conflicts, e.g.
rename/rename(1to2) or rename/add/delete), and directory/file conflicts
should obviously result in files not being marked as clean in the merge.
We had a codepath where we missed consulting the path_conflict and
df_conflict flags, based on match_mask. Granted, it requires an unusual
setup to trigger this codepath (directory rename causing rename-to-self
is the only case I can think of), but we still need to handle it. To
make it clear that we have audited the other codepaths that do not
explicitly mention these flags, add some assertions that the flags are
not set.
Reported-by: Anders Kaseorg <andersk@mit.edu>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Junio C Hamano
Stephen Manz
Jeff King
brian m. carlson
Hu Jialun
Ævar Arnfjörð Bjarmason
Eric Wong
Han-Wen Nienhuys
Đoàn Trần Công Danh
Elijah Newren