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Change the definition of the three refs backends we currently carry to
use designated initializers.
The "= NULL" assignments being retained here are redundant, and could
be removed, but let's keep them for clarity. All of these backends
define almost all fields, so we're not saving much in terms of line
count by omitting these, but e.g. for "refs_be_debug" it's immediately
apparent that we're omitting "init" when comparing its assignment to
the others.
This is a follow-up to similar work merged in bd4232fac33 (Merge
branch 'ab/struct-init', 2021-07-16), a4b9fb6a5cf (Merge branch
'ab/designated-initializers-more', 2021-10-18) and a30321b9eae (Merge
branch 'ab/designated-initializers' into
ab/designated-initializers-more, 2021-09-27).
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Count string_list items in size_t, not "unsigned int".
* ab/string-list-count-in-size-t:
string-list API: change "nr" and "alloc" to "size_t"
gettext API users: don't explicitly cast ngettext()'s "n"
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Code clean-up to allow callers of run_commit_hook() to learn if it
got "success" because the hook succeeded or because there wasn't
any hook.
* ab/racy-hooks:
hooks: fix an obscure TOCTOU "did we just run a hook?" race
merge: don't run post-hook logic on --no-verify
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Updates tests around the use of "test $(git cmd) = constant".
* ab/keep-git-exit-codes-in-tests:
rev-list simplify tests: don't ignore "git" exit code
checkout tests: don't ignore "git <cmd>" exit code
apply tests: don't ignore "git ls-files" exit code, drop sub-shell
gettext tests: don't ignore "test-tool regex" exit code
rev-list tests: don't hide abort() in "test_expect_failure"
diff tests: don't ignore "git rev-list" exit code
notes tests: don't ignore "git" exit code
rev-parse tests: don't ignore "git reflog" exit code
merge tests: use "test_must_fail" instead of ad-hoc pattern
apply tests: use "test_must_fail" instead of ad-hoc pattern
diff tests: don't ignore "git diff" exit code in "read" loop
diff tests: don't ignore "git diff" exit code
read-tree tests: check "diff-files" exit code on failure
tests: use "test_stdout_line_count", not "test $(git [...] | wc -l)"
tests: change some 'test $(git) = "x"' to test_cmp
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Teach "test-chmtime" to work on a directory and use it to avoid
having to wait for a second in a few places in tests.
* tk/t7063-chmtime-dirs-too:
t7063: mtime-mangling instead of delays in untracked cache testing
t/helper/test-chmtime: update mingw to support chmtime on directories
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Fixes to the way generation number v2 in the commit-graph files are
(not) handled.
* ds/commit-graph-gen-v2-fixes:
commit-graph: declare bankruptcy on GDAT chunks
commit-graph: fix generation number v2 overflow values
commit-graph: start parsing generation v2 (again)
commit-graph: fix ordering bug in generation numbers
t5318: extract helpers to lib-commit-graph.sh
test-read-graph: include extra post-parse info
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"git stash drop" is reimplemented as an internal call to
reflog_delete() function, instead of invoking "git reflog delete"
via run_command() API.
* jc/stash-drop:
stash: call reflog_delete() in reflog.c
reflog: libify delete reflog function and helpers
stash: add tests to ensure reflog --rewrite --updatref behavior
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"git remote rename A B", depending on the number of remote-tracking
refs involved, takes long time renaming them. The command has been
taught to show progress bar while making the user wait.
* tb/rename-remote-progress:
builtin/remote.c: show progress when renaming remote references
builtin/remote.c: parse options in 'rename'
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"git read-tree" has been made to be aware of the sparse-index
feature.
* vd/sparse-read-tree:
read-tree: make three-way merge sparse-aware
read-tree: make two-way merge sparse-aware
read-tree: narrow scope of index expansion for '--prefix'
read-tree: integrate with sparse index
read-tree: expand sparse checkout test coverage
read-tree: explicitly disallow prefixes with a leading '/'
status: fix nested sparse directory diff in sparse index
sparse-index: prevent repo root from becoming sparse
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Object-file API shuffling.
* ab/object-file-api-updates:
object-file API: pass an enum to read_object_with_reference()
object-file.c: add a literal version of write_object_file_prepare()
object-file API: have hash_object_file() take "enum object_type"
object API: rename hash_object_file_literally() to write_*()
object-file API: split up and simplify check_object_signature()
object API users + docs: check <0, not !0 with check_object_signature()
object API docs: move check_object_signature() docs to cache.h
object API: correct "buf" v.s. "map" mismatch in *.c and *.h
object-file API: have write_object_file() take "enum object_type"
object-file API: add a format_object_header() function
object-file API: return "void", not "int" from hash_object_file()
object-file.c: split up declaration of unrelated variables
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"git config -h" did not describe the "--type" option correctly.
* mf/fix-type-in-config-h:
config: correct "--type" option in "git config -h" output
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Various optimization for "git fetch".
* ps/fetch-mirror-optim:
refs/files-backend: optimize reading of symbolic refs
remote: read symbolic refs via `refs_read_symbolic_ref()`
refs: add ability for backends to special-case reading of symbolic refs
fetch: avoid lookup of commits when not appending to FETCH_HEAD
upload-pack: look up "want" lines via commit-graph
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The untracked cache newly computed weren't written back to the
on-disk index file when there is no other change to the index,
which has been corrected.
* tk/empty-untracked-cache:
untracked-cache: write index when populating empty untracked cache
t7519: populate untracked cache before test
t7519: avoid file to index mtime race for untracked cache
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Test fix-up for a topic already in master.
* ab/grep-patterntype:
log tests: fix "abort tests early" regression in ff37a60c369
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Plug random memory leaks.
* ab/plug-random-leaks:
repository.c: free the "path cache" in repo_clear()
range-diff: plug memory leak in read_patches()
range-diff: plug memory leak in common invocation
lockfile API users: simplify and don't leak "path"
commit-graph: stop fill_oids_from_packs() progress on error and free()
commit-graph: fix memory leak in misused string_list API
submodule--helper: fix trivial leak in module_add()
transport: stop needlessly copying bundle header references
bundle: call strvec_clear() on allocated strvec
remote-curl.c: free memory in cmd_main()
urlmatch.c: add and use a *_release() function
diff.c: free "buf" in diff_words_flush()
merge-base: free() allocated "struct commit **" list
index-pack: fix memory leaks
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Documentation mark-up fix.
* nj/read-tree-doc-reffix:
Documentation: git-read-tree: separate links using commas
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Test simplification.
* ps/fetch-atomic-fixup:
t5503: simplify setup of test which exercises failure of backfill
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Newer version of GPGSM changed its output in a backward
incompatible way to break our code that parses its output. It also
added more processes our tests need to kill when cleaning up.
Adjustments have been made to accommodate these changes.
* fs/gpgsm-update:
t/lib-gpg: kill all gpg components, not just gpg-agent
t/lib-gpg: reload gpg components after updating trustlist
gpg-interface/gpgsm: fix for v2.3
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Check the return value from parse_tree_indirect() to turn segfaults
into calls to die().
* gc/parse-tree-indirect-errors:
checkout, clone: die if tree cannot be parsed
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Align the level of verbose output from the ort backend during inner
merge to that of the recursive backend.
* en/merge-ort-align-verbosity-with-recursive:
merge-ort: exclude messages from inner merges by default
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Makefile refactoring with a bit of suffixes rule stripping to
optimize the runtime overhead.
* ab/make-optim-noop:
Makefiles: add and use wildcard "mkdir -p" template
Makefile: add "$(QUIET)" boilerplate to shared.mak
Makefile: move $(comma), $(empty) and $(space) to shared.mak
Makefile: move ".SUFFIXES" rule to shared.mak
Makefile: define $(LIB_H) in terms of $(FIND_SOURCE_FILES)
Makefile: disable GNU make built-in wildcard rules
Makefiles: add "shared.mak", move ".DELETE_ON_ERROR" to it
scalar Makefile: use "The default target of..." pattern
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"git fetch" can make two separate fetches, but ref updates coming
from them were in two separate ref transactions under "--atomic",
which has been corrected.
* ps/fetch-atomic:
fetch: make `--atomic` flag cover pruning of refs
fetch: make `--atomic` flag cover backfilling of tags
refs: add interface to iterate over queued transactional updates
fetch: report errors when backfilling tags fails
fetch: control lifecycle of FETCH_HEAD in a single place
fetch: backfill tags before setting upstream
fetch: increase test coverage of fetches
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Updates to how command line options to "git help" are handled.
* ab/help-fixes:
help: don't print "\n" before single-section output
help: add --no-[external-commands|aliases] for use with --all
help: error if [-a|-g|-c] and [-i|-m|-w] are combined
help: correct usage & behavior of "git help --all"
help: note the option name on option incompatibility
help.c: split up list_all_cmds_help() function
help tests: test "git" and "git help [-a|-g] spacing
help.c: use puts() instead of printf{,_ln}() for consistency
help doc: add missing "]" to "[-a|--all]"
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Remove the escape hatch we added when we introduced the weather
balloon to use variadic macros unconditionally, to make it official
that we now have a hard dependency on the feature.
* ab/c99-variadic-macros:
C99: remove hardcoded-out !HAVE_VARIADIC_MACROS code
git-compat-util.h: clarify GCC v.s. C99-specific in comment
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General clean-up in reftable implementation, including
clarification of the API documentation, tightening the code to
honor documented length limit, etc.
* hn/reftable-no-empty-keys:
reftable: rename writer_stats to reftable_writer_stats
reftable: add test for length of disambiguating prefix
reftable: ensure that obj_id_len is >= 2 on writing
reftable: avoid writing empty keys at the block layer
reftable: add a test that verifies that writing empty keys fails
reftable: reject 0 object_id_len
Documentation: object_id_len goes up to 31
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"git cat-file" learns "--batch-command" mode, which is a more
flexible interface than the existing "--batch" or "--batch-check"
modes, to allow different kinds of inquiries made.
* jc/cat-file-batch-commands:
cat-file: add --batch-command mode
cat-file: add remove_timestamp helper
cat-file: introduce batch_mode enum to replace print_contents
cat-file: rename cmdmode to transform_mode
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Improve failure case behaviour of xdiff library when memory
allocation fails.
* pw/xdiff-alloc-fail:
xdiff: handle allocation failure when merging
xdiff: refactor a function
xdiff: handle allocation failure in patience diff
xdiff: fix a memory leak
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In sparse-checkouts, files mis-marked as missing from the working tree
could lead to later problems. Such files were hard to discover, and
harder to correct. Automatically detecting and correcting the marking
of such files has been added to avoid these problems.
* en/present-despite-skipped:
repo_read_index: add config to expect files outside sparse patterns
Accelerate clear_skip_worktree_from_present_files() by caching
Update documentation related to sparsity and the skip-worktree bit
repo_read_index: clear SKIP_WORKTREE bit from files present in worktree
unpack-trees: fix accidental loss of user changes
t1011: add testcase demonstrating accidental loss of user modifications
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Change a fragile test pattern introduced in 65347030590 (Topo-sort
before --simplify-merges, 2008-08-03) to check the exit code of both
"git name-rev" and "git log".
This test as a whole would fail under SANITIZE=leak, but we'd pass
several "failing" tests due to hiding these exit codes before we'd
spot git dying with abort(). Now we'll instead spot all of the
failures.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change a fragile pattern introduced in 696acf45f96 (checkout:
implement "-" abbreviation, add docs and tests, 2009-01-17) to check
the exit code of both "git symbolic-ref" and "git rev-parse".
Without this change this test will become flaky e.g. under
SANITIZE=leak if some (but not all) memory leaks revealed by these
commands are fixed.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix code added in 969c877506c (git apply --directory broken for new
files, 2008-10-12) so that it doesn't invoke "git ls-files" on the
left-hand-side of a pipe, instead let's use an intermediate file.
Since we're doing that we can also drop the sub-shell that was here to
group the two.
There are a lot of these sorts of patterns in the test suite, and
there's no particular reason to fix this one other than in a preceding
commit all similar patterns except this one were fixed in
"t/t4128-apply-root.sh", so let's fix this one straggler as well.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Amend a prerequisite check added in 5c1ebcca4d1 (grep/icase: avoid
kwsset on literal non-ascii strings, 2016-06-25) to do invoke
'test-tool regex' in such a way that we'll notice if it dies under
SANITIZE=leak due to having a memory leak, as opposed to us not having
the "ICASE" support we're checking for.
Because we weren't making a distinction between the two I'd marked
these tests as passing under SANITIZE=leak in 03d85e21951 (leak tests:
mark remaining leak-free tests as such, 2021-12-17).
Doing this is tricky. Ideally "test_lazy_prereq" would materialize as
a "real" test that we could check the exit code of with the same
signal matching that "test_must_fail" does.
However lazy prerequisites aren't real tests, and are instead lazily
materialized in the guts of "test_have_prereq" when we've already
started another test.
We could detect the abort() (or similar) there and pass that exit code
down, and fail the test that caused the prerequisites to be
materialized.
But that would require extensive changes to test-lib.sh and
test-lib-functions.sh. Let's instead simply check if the exit code of
"test-tool regex" is zero, and if so set the prerequisites. If it's
non-zero let's run it again with "test_must_fail". We'll thus make a
distinction between "bad" non-zero (segv etc) and "good" (exit 1 etc.).
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change a couple of uses of "test_expect_failure" to use a
"test_expect_success" to positively assert the current behavior, and
replace the intent of "test_expect_failure" with a "TODO" comment int
the description.
As noted in [1] the "test_expect_failure" feature is overly eager to
accept any failure as OK, and thus by design hides segfaults, abort()
etc. Because of that I didn't notice in dd9cede9136 (leak tests: mark
some rev-list tests as passing with SANITIZE=leak, 2021-10-31) that
this test leaks memory under SANITIZE=leak.
I have some larger local changes to add a better
"test_expect_failure", which would work just like
"test_expect_success", but would allow us say "test_todo" here (and
"success" would emit a "not ok [...] # TODO", not "ok [...]".
So even though using "test_expect_success" here comes with its own
problems[2], let's use it as a narrow change to fix the problem at
hand here and stop conflating the current "success" with actual
SANITIZE=leak failures.
1. https://lore.kernel.org/git/87tuhmk19c.fsf@evledraar.gmail.com/
2. https://lore.kernel.org/git/xmqq4k9kj15p.fsf@gitster.g/
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change a fragile pattern introduced in 2b459b483cb (diff: make sure
work tree side is shown as 0{40} when different, 2008-03-02) to check
the exit code of "git rev-list", while we're at it let's get rid of
the needless sub-shell for invoking it in favor of the "-C" option.
Because of this I'd marked these tests as passing under SANITIZE=leak
in 16d4bd4f14e (leak tests: mark some diff tests as passing with
SANITIZE=leak, 2021-10-31), let's remove the
"TEST_PASSES_SANITIZE_LEAK=true" annotation as they no longer do.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change a fragile test pattern that's been with us ever since these
tests were introduced in [1], [2] and [3] to properly return the exit
code of the failing command on failure.
Because of this I'd marked this test as passing under SANITIZE=leak in
[4] and [5]. We need to remove those annotations as these tests will
no longer pass.
1. 9081a421a6d (checkout: fix "branch info" memory leaks, 2021-11-16)
2. 0057c0917d3 (Add selftests verifying that we can parse notes trees
with various fanouts, 2009-10-09)
3. 048cdd4665e (t3305: Verify that adding many notes with git-notes
triggers increased fanout, 2010-02-13)
4. ca089724952 (leak tests: mark some notes tests as passing with
SANITIZE=leak, 2021-10-31)
5. 9081a421a6d (checkout: fix "branch info" memory leaks, 2021-11-16)
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Amend a test added in 9c46c054ae4 (rev-parse: tests git rev-parse
--verify master@{n}, for various n, 2010-08-24) so that we'll stop
ignoring the exit code of "git reflog" by having it on the
left-hand-side of a pipe.
Because of this I'd marked this test as passing under SANITIZE=leak in
f442c94638d (leak tests: mark some rev-parse tests as passing with
SANITIZE=leak, 2021-10-31). As all of it except this specific test
will now pass, let's skip it under the !SANITIZE_LEAK prerequisite.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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As in the preceding commit change a similar fragile test pattern
introduced in b798671fa93 (merge-recursive: do not rudely die on
binary merge, 2007-08-14) to use a "test_must_fail" instead.
Before this we wouldn't distinguish normal "git merge" failures from
segfaults or abort(). Unlike the preceding commit we didn't end up
hiding any SANITIZE=leak failures in this case, but let's
correspondingly change these anyway.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change a fragile test pattern introduced in 6b763c424e4 (git-apply: do
not read past the end of buffer, 2007-09-05). Before this we wouldn't
distinguish normal "git apply" failures from segfaults or abort().
I'd previously marked this test as passing under SANITIZE=leak in
f54f48fc074 (leak tests: mark some apply tests as passing with
SANITIZE=leak, 2021-10-31). Let's remove that annotation as this test
will no longer pass.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a test pattern that originated in f1af60bdba4 (Support 'diff=pgm'
attribute, 2007-04-22) so that we'll stop using "git diff" on the
left-hand-side of a pipe, and thus ignoring its exit code.
Rather than use intermediate files let's rewrite these tests to a much
simpler but more exhaustive "test_tmp" where we'll ignore certain
fields in the output.
Note that this is not a faithful conversion of the previous
"read/test" in some cases, as we were ignoring more fields there than
we strictly needed to. Now we'll "test_cmp" everything we can, and
only ignore the likes of paths to $TEMPDIR etc.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a test pattern that originated in f1af60bdba4 (Support 'diff=pgm'
attribute, 2007-04-22) so that we'll stop using "git diff" on the
left-hand-side of a pipe, and thus ignoring its exit code.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix an issue with the exit code of "diff-files" being ignored, which
has been ignored ever since these tests were originally added in
c859600954d ([PATCH] read-tree: save more user hassles during
fast-forward., 2005-06-07).
Since the exit code was ignored we'd hide errors here under
SANITIZE=leak, which resulted in me mistakenly marking these tests as
passing under SANITIZE=leak in e5a917fcf42 (unpack-trees: don't leak
memory in verify_clean_subdirectory(), 2021-10-07) and
4ea08416b8e (leak tests: mark a read-tree test as passing
SANITIZE=leak, 2021-10-31).
As it would be non-trivial to fix these tests (the leak is in
revision.c) let's un-mark them as passing under SANITIZE=leak in
addition to fixing the issue of ignoring the exit code.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use the test_stdout_line_count helper added in
cdff1bb5a3d (test-lib-functions: introduce test_stdout_line_count,
2021-07-04) so that we'll spot if git itself dies, segfaults etc in
these expressions.
Because we didn't distinguish these failure conditions before I'd
mistakenly marked these tests as passing under SANITIZE=leak in
dd9cede9136 (leak tests: mark some rev-list tests as passing with
SANITIZE=leak, 2021-10-31).
While we're at it let's re-indent these lines to match our usual
style, as we're having to change all of them anyway.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change some of the patterns in the test suite where we were hiding the
exit code from "git" by invoking it in a sub-shell within a "test"
expression to use temporary files and test_cmp instead.
These are not all the occurrences of this anti-pattern, but these in
particular hid issues where LSAN was dying, and I'd thus marked these
tests as passing under the linux-leaks CI job in past commits with
"TEST_PASSES_SANITIZE_LEAK=true". Let's deal with that by either
removing that marking, or skipping specific tests under
!SANITIZE_LEAK.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a Time-of-check to time-of-use (TOCTOU) race in code added in
680ee550d72 (commit: skip discarding the index if there is no
pre-commit hook, 2017-08-14).
This obscure race condition can occur if we e.g. ran the "pre-commit"
hook and it modified the index, but hook_exists() returns false later
on (e.g., because the hook itself went away, the directory became
unreadable, etc.). Then we won't call discard_cache() when we should
have.
The race condition itself probably doesn't matter, and users would
have been unlikely to run into it in practice. This problem has been
noted on-list when 680ee550d72 was discussed[1], but had not been
fixed.
This change is mainly intended to improve the readability of the code
involved, and to make reasoning about it more straightforward. It
wasn't as obvious what we were trying to do here, but by having an
"invoked_hook" it's clearer that e.g. our discard_cache() is happening
because of the earlier hook execution.
Let's also change this for the push-to-checkout hook. Now instead of
checking if the hook exists and either doing a push to checkout or a
push to deploy we'll always attempt a push to checkout. If the hook
doesn't exist we'll fall back on push to deploy. The same behavior as
before, without the TOCTOU race. See 0855331941b (receive-pack:
support push-to-checkout hook, 2014-12-01) for the introduction of the
previous behavior.
This leaves uses of hook_exists() in two places that matter. The
"reference-transaction" check in refs.c, see 67541597670 (refs:
implement reference transaction hook, 2020-06-19), and the
"prepare-commit-msg" hook, see 66618a50f9c (sequencer: run
'prepare-commit-msg' hook, 2018-01-24).
In both of those cases we're saving ourselves CPU time by not
preparing data for the hook that we'll then do nothing with if we
don't have the hook. So using this "invoked_hook" pattern doesn't make
sense in those cases.
The "reference-transaction" and "prepare-commit-msg" hook also aren't
racy. In those cases we'll skip the hook runs if we race with a new
hook being added, whereas in the TOCTOU races being fixed here we were
incorrectly skipping the required post-hook logic.
1. https://lore.kernel.org/git/20170810191613.kpmhzg4seyxy3cpq@sigill.intra.peff.net/
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a minor bug introduced in bc40ce4de61 (merge: --no-verify to
bypass pre-merge-commit hook, 2019-08-07), when that change made the
--no-verify option bypass the "pre-merge-commit" hook it didn't update
the corresponding find_hook() (later hook_exists()) condition.
As can be seen in the preceding commit in 6098817fd7f (git-merge:
honor pre-merge-commit hook, 2019-08-07) the two should go hand in
hand. There's no point in invoking discard_cache() here if the hook
couldn't have possibly updated the index.
It's buggy that we use "hook_exist()" here, and as discussed in the
subsequent commit it's subject to obscure race conditions that we're
about to fix, but for now this change is a strict improvement that
retains any caveats to do with the use of "hooks_exist()" as-is.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change the "nr" and "alloc" members of "struct string_list" to use
"size_t" instead of "nr". On some platforms the size of an "unsigned
int" will be smaller than a "size_t", e.g. a 32 bit unsigned v.s. 64
bit unsigned. As "struct string_list" is a generic API we use in a lot
of places this might cause overflows.
As one example: code in "refs.c" keeps track of the number of refs
with a "size_t", and auxiliary code in builtin/remote.c in
get_ref_states() appends those to a "struct string_list".
While we're at it split the "nr" and "alloc" in string-list.h across
two lines, which is the case for most such struct member
declarations (e.g. in "strbuf.h" and "strvec.h").
Changing e.g. "int i" to "size_t i" in run_and_feed_hook() isn't
strictly necessary, and there are a lot more cases where we'll use a
local "int", "unsigned int" etc. variable derived from the "nr" in the
"struct string_list". But in that case as well as
add_wrapped_shortlog_msg() in builtin/shortlog.c we need to adjust the
printf format referring to "nr" anyway, so let's also change the other
variables referring to it.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Change a few stray users of the inline gettext.h Q_() function to stop
casting its "n" argument, the vast majority of the users of that
wrapper API use the implicit cast to "unsigned long".
The ngettext() function (which Q_() resolves to) takes an "unsigned
long int", and so does our Q_() wrapper for it, see 0c9ea33b90f (i18n:
add stub Q_() wrapper for ngettext, 2011-03-09). The function isn't
ours, but provided by e.g. GNU libintl.
This amends code added in added in 7171a0b0cf5 (index-pack: correct
"len" type in unpack_data(), 2016-07-13). The cast it added for the
printf format to die() was needed, but not the cast to Q_().
Likewise the casts in strbuf.c added in 8f354a1faed (l10n: localizable
upload progress messages, 2019-07-02) and for
builtin/merge-recursive.c in ccf7813139f (i18n: merge-recursive: mark
error messages for translation, 2016-09-15) weren't needed.
In the latter case the cast was copy/pasted from the argument to
warning() itself, added in b74d779bd90 (MinGW: Fix compiler warning in
merge-recursive, 2009-05-23). The cast for warning() is needed, but
not the one for ngettext()'s "n" argument.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Ævar Arnfjörð Bjarmason
Junio C Hamano