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Change code in "builtin/grep.c" and "builtin/ls-tree.c" to trust the
"prefix" passed from "run_builtin()". The "prefix" we get from setup.c
is either going to be NULL or a string of length >0, never "".
So we can drop the "prefix && *prefix" checks added for
"builtin/grep.c" in 0d042fecf2f (git-grep: show pathnames relative to
the current directory, 2006-08-11), and for "builtin/ls-tree.c" in
a69dd585fca (ls-tree: chomp leading directories when run from a
subdirectory, 2005-12-23).
As seen in code in revision.c that was added in cd676a51367 (diff
--relative: output paths as relative to the current subdirectory,
2008-02-12) we already have existing code that does away with this
assertion.
This makes it easier to reason about a subsequent change to the
"prefix_length" code in grep.c in a subsequent commit, and since we're
going to the trouble of doing that let's leave behind an assert() to
promise this to any future callers.
For "builtin/grep.c" it would be painful to pass the "prefix" down the
callchain of:
cmd_grep -> grep_tree -> grep_submodule -> grep_cache -> grep_oid ->
grep_source_name
So for the code that needs it in grep_source_name() let's add a
"grep_prefix" variable similar to the existing "ls_tree_prefix".
While at it let's move the code in cmd_ls_tree() around so that we
assign to the "ls_tree_prefix" right after declaring the variables,
and stop assigning to "prefix". We only subsequently used that
variable later in the function after clobbering it. Let's just use our
own "grep_prefix" instead.
Let's also add an assert() in git.c, so that we'll make this promise
about the "prefix" to any current and future callers, as well as to
any readers of the code.
Code history:
* The strlen() in "grep.c" hasn't been used since 493b7a08d80 (grep:
accept relative paths outside current working directory, 2009-09-05).
When that code was added in 0d042fecf2f (git-grep: show pathnames
relative to the current directory, 2006-08-11) we used the length.
But since 493b7a08d80 we haven't used it for anything except a
boolean check that we could have done on the "prefix" member
itself.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Extend the grep tests to assert that setting
"grep.patternType=extended" followed by "grep.patternType=default"
will behave as if "--basic-regexp" was provided, and not as
"--extended-regexp". In a subsequent commit we'll need to treat
"grep.patternType=default" as a special-case, but let's make sure we
ignore it if it's being set to "default" following an earlier
non-"default" "grep.patternType" setting.
Let's also test what happens when we have a sequence of "extended"
followed by "default" and "fixed". In that case the "fixed" should
prevail, as well as tests to check that a "grep.extendedRegexp=true"
followed by a "grep.extendedRegexp=false" behaves as though
"grep.extendedRegexp" wasn't provided.
See [1] for the source of some of these tests, and their
initial (pseudocode) implementation, and [2] for a later discussion
about a breakage due to missing testing (which had been noted in [1]
all along).
1. https://lore.kernel.org/git/xmqqv8zf6j86.fsf@gitster.g/
2. https://lore.kernel.org/git/xmqqpmoczwtu.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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Refactor the repeated test code for finding out whether a given set of
configuration will pick basic, extended or fixed into a new
"test_pattern_type" helper function.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Extend the tests added in my 9df46763ef1 (log: add exhaustive tests
for pattern style options & config, 2017-05-20) to check not only
whether "git log" handles "grep.patternType", but also "git show"
etc.
It's sufficient to check whether we match a "fixed" or a "basic" regex
here to see if these codepaths correctly invoked grep_config(). We
don't need to check the details of their regular expression matching
as the "log" test does.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This "regex_t" in grep_opt has not been used since
f9b9faf6f8a (builtin-grep: allow more than one patterns., 2006-05-02),
we still use a "regex_t" for compiling regexes, but that's in the
"grep_pat" struct".
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Adjust build on RHEL 7 to explicitly ask C99 support and use
the fallback implementation of uncompress2 we ship.
* da/rhel7-lacks-uncompress2-and-c99:
build: centos/RHEL 7 ships with an older gcc and zlib
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GCC 4.8.5 is the default system compiler on centos7/RHEL7.
This version requires -std=c99 to enable c99 support.
zlib 1.2.7 on centos7/rhel7 lacks uncompress2().
Signed-off-by: David Aguilar <davvid@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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Test fix.
* js/t1450-making-it-writable-does-not-need-full-posixperm:
t1450-fsck: exec-bit is not needed to make loose object writable
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A few portability tweaks.
* ab/reftable-build-fixes:
reftable tests: avoid "int" overflow, use "uint64_t"
reftable: avoid initializing structs from structs
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A brown-paper-bag fix on top of a topic that was merged during this
cycle.
* ab/refs-errno-cleanup:
refs API: use "failure_errno", not "errno"
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Change code added in 1ae2b8cda84 (reftable: add merged table view,
2021-10-07) to consistently use the "uint64_t" type. These "min" and
"max" variables get passed in the body of this function to a function
whose prototype is:
[...] reftable_writer_set_limits([...], uint64_t min, uint64_t max
This avoids the following warning on SunCC 12.5 on
gcc211.fsffrance.org:
"reftable/merged_test.c", line 27: warning: initializer does not fit or is out of range: 0xffffffff
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Apparently, the IBM xlc compiler doesn't like this.
Signed-off-by: Han-Wen Nienhuys <hanwen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A test case wants to append stuff to a loose object file to ensure
that this kind of corruption is detected. To make a read-only loose
object file writable with chmod, it is not necessary to also make
it executable. Replace the bitmask 755 with the instruction +w to
request only the write bit and to also heed the umask. And get rid
of a POSIXPERM prerequisite, which is unnecessary for the test.
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a logic error in refs_resolve_ref_unsafe() introduced in a recent
series of mine to abstract the refs API away from errno. See
96f6623ada0 (Merge branch 'ab/refs-errno-cleanup', 2021-11-29)for that
series.
In that series introduction of "failure_errno" to
refs_resolve_ref_unsafe came in ef18119dec8 (refs API: add a version
of refs_resolve_ref_unsafe() with "errno", 2021-10-16). There we'd set
"errno = 0" immediately before refs_read_raw_ref(), and then set
"failure_errno" to "errno" if errno was non-zero afterwards.
Then in the next commit 8b72fea7e91 (refs API: make
refs_read_raw_ref() not set errno, 2021-10-16) we started expecting
"refs_read_raw_ref()" to set "failure_errno". It would do that if
refs_read_raw_ref() failed, but it wouldn't be the same errno.
So we might set the "errno" here to any arbitrary bad value, and end
up e.g. returning NULL when we meant to return the refname from
refs_resolve_ref_unsafe(), or the other way around. Instrumenting this
code will reveal cases where refs_read_raw_ref() will fail, and
"errno" and "failure_errno" will be set to different values.
In practice I haven't found a case where this scary bug changed
anything in practice. The reason for that is that we'll not care about
the actual value of "errno" here per-se, but only whether:
1. We have an errno
2. If it's one of ENOENT, EISDIR or ENOTDIR. See the adjacent code
added in a1c1d8170db (refs_resolve_ref_unsafe: handle d/f
conflicts for writes, 2017-10-06)
I.e. if we clobber "failure_errno" with "errno", but it happened to be
one of those three, and we'll clobber it with another one of the three
we were OK.
Perhaps there are cases where the difference ended up mattering, but I
haven't found them. Instrumenting the test suite to fail if "errno"
and "failure_errno" are different shows a lot of failures, checking if
they're different *and* one is but not the other is outside that list
of three "errno" values yields no failures.
But let's fix the obvious bug. We should just stop paying attention to
"errno" in refs_resolve_ref_unsafe(). In addition let's change the
partial resetting of "errno" in files_read_raw_ref() to happen just
before the "return", to ensure that any such bug will be more easily
spotted in the future.
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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Some lockfile code called free() in signal-death code path, which
has been corrected.
* ps/lockfile-cleanup-fix:
fetch: fix deadlock when cleaning up lockfiles in async signals
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Code clean-up.
* ma/header-dup-cleanup:
cache.h: drop duplicate `ensure_full_index()` declaration
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Test simplification.
* fs/gpg-unknown-key-test-fix:
t/gpg: simplify test for unknown key
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* ak/protect-any-current-branch:
branch: missing space fix at line 313
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* jt/pack-header-lshift-overflow:
packfile: fix off-by-one error in decoding logic
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* rb/nonstop-lacks-uncompress2:
build: NonStop ships with an older zlib
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Fix calling dynamically loaded functions on Windows.
* ma/windows-dynload-fix:
lazyload: use correct calling conventions
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"git merge $signed_tag" started to drop the tag message from the
default merge message it uses by accident, which has been corrected.
* fs/ssh-signing-key-lifetime:
fmt-merge-msg: prevent use-after-free with signed tags
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Notably, it lacks uncompress2(); use the fallback we ship in our
tree instead.
Signed-off-by: Randall S. Becker <rsbecker@nexbridge.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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shift count being exactly at 7-bit smaller than the long is OK; on
32-bit architecture, shift count starts at 4 and goes through 11, 18
and 25, at which point the guard triggers one iteration too early.
Reported-by: Marc Strapetz <marc.strapetz@syntevo.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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To test for a key that is completely unknown to the keyring we need one
to sign the commit with. This was done by generating a new key and not
add it into the keyring. To avoid the key generation overhead and
problems where GPG did hang in CI during it, switch GNUPGHOME to the
empty $GNUPGHOME_NOT_USED instead, therefore making all used keys unknown
for this single `verify-commit` call.
Reported-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Fabian Stelzer <fs@gigacodes.de>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The message introduced by commit 593a2a5d06 (branch: protect branches
checked out in all worktrees, 2021-12-01) is missing a space in the
first line, add it.
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When merging a signed tag, fmt_merge_msg_sigs() is responsible for
populating the body of the merge message with the names of the signed
tags, their signatures, and the validity of those signatures.
In 02769437e1 (ssh signing: use sigc struct to pass payload,
2021-12-09), check_signature() was taught to pass the object payload via
the sigc struct instead of passing the payload buffer separately.
In effect, 02769437e1 causes buf, and sigc.payload to point at the same
region in memory. This causes a problem for fmt_tag_signature(), which
wants to read from this location, since it is freed beforehand by
signature_check_clear() (which frees it via sigc's `payload` member).
That makes the subsequent use in fmt_tag_signature() a use-after-free.
As a result, merge messages did not contain the body of any signed tags.
Luckily, they tend not to contain garbage, either, since the result of
strstr()-ing the object buffer in fmt_tag_signature() is guarded:
const char *tag_body = strstr(buf, "\n\n");
if (tag_body) {
tag_body += 2;
strbuf_add(tagbuf, tag_body, buf + len - tag_body);
}
Unfortunately, the tests in t6200 did not catch this at the time because
they do not search for the body of signed tags in fmt-merge-msg's
output.
Resolve this by waiting to call signature_check_clear() until after its
contents can be safely discarded. Harden ourselves against any future
regressions in this area by making sure we can find signed tag messages
in the output of fmt-merge-msg, too.
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Taylor Blau <me@ttaylorr.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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"git stash apply" forgot to attempt restoring untracked files when
it failed to restore changes to tracked ones.
* en/stash-df-fix:
stash: do not return before restoring untracked files
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Typofix.
* ms/t-readme-typofix:
t/README: fix typo
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Similar message templates have been consolidated so that
translators need to work on fewer number of messages.
* ja/i18n-similar-messages:
i18n: turn even more messages into "cannot be used together" ones
i18n: ref-filter: factorize "%(foo) atom used without %(bar) atom"
i18n: factorize "--foo outside a repository"
i18n: refactor "unrecognized %(foo) argument" strings
i18n: factorize "no directory given for --foo"
i18n: factorize "--foo requires --bar" and the like
i18n: tag.c factorize i18n strings
i18n: standardize "cannot open" and "cannot read"
i18n: turn "options are incompatible" into "cannot be used together"
i18n: refactor "%s, %s and %s are mutually exclusive"
i18n: refactor "foo and bar are mutually exclusive"
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A corner case bug in the ort merge strategy has been corrected.
* en/merge-ort-renorm-with-rename-delete-conflict-fix:
merge-ort: fix bug with renormalization and rename/delete conflicts
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Extend the guidance to choose the base commit to build your work
on, and hint/nudge contributors to read others' changes.
* jc/doc-submitting-patches-choice-of-base:
SubmittingPatchs: clarify choice of base and testing
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Fix performance-releated bug in "git subtree" (in contrib/).
* jl/subtree-check-parents-argument-passing-fix:
subtree: fix argument handling in check_parents
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The color palette used by "git grep" has been updated to match that
of GNU grep.
* lh/use-gnu-color-in-grep:
grep: align default colors with GNU grep ones
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"git -c branch.autosetupmerge=inherit branch new old" makes "new"
to have the same upstream as the "old" branch, instead of marking
"old" itself as its upstream.
* js/branch-track-inherit:
config: require lowercase for branch.*.autosetupmerge
branch: add flags and config to inherit tracking
branch: accept multiple upstream branches for tracking
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Code clean-up to hide vreportf() from public API.
* ab/usage-die-message:
config API: use get_error_routine(), not vreportf()
usage.c + gc: add and use a die_message_errno()
gc: return from cmd_gc(), don't call exit()
usage.c API users: use die_message() for error() + exit 128
usage.c API users: use die_message() for "fatal :" + exit 128
usage.c: add a die_message() routine
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"git apply --3way" bypasses the attempt to do a three-way
application in more cases to address the regression caused by the
recent change to use direct application as a fallback.
* jz/apply-3-corner-cases:
git-apply: skip threeway in add / rename cases
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Assorted fixlets in reftable code.
* hn/reftable-fixes:
reftable: support preset file mode for writing
reftable: signal overflow
reftable: fix typo in header
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Code refactoring in the reflog part of refs API.
* ab/reflog-prep:
reflog + refs-backend: move "verbose" out of the backend
refs files-backend: assume cb->newlog if !EXPIRE_REFLOGS_DRY_RUN
reflog: reduce scope of "struct rev_info"
reflog expire: don't use lookup_commit_reference_gently()
reflog expire: refactor & use "tip_commit" only for UE_NORMAL
reflog expire: use "switch" over enum values
reflog: change one->many worktree->refnames to use a string_list
reflog expire: narrow scope of "cb" in cmd_reflog_expire()
reflog delete: narrow scope of "cmd" passed to count_reflog_ent()
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"git stash" by default triggers its "push" action, but its
implementation also made "git stash -h" to show short help only for
"git stash push", which has been corrected.
* ab/do-not-limit-stash-help-to-push:
stash: don't show "git stash push" usage on bad "git stash" usage
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Fix dependency rules to generate hook-list.h header file.
* ab/makefile-hook-list-dependency-fix:
Makefile: correct the dependency graph of hook-list.h
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* ab/makefile-pager-env-is-used-only-by-pager.c:
Makefile: move -DPAGER_ENV from BASIC_CFLAGS to EXTRA_CPPFLAGS
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Make the recipe that runs msgfmt less noisy.
* ab/makefile-msgfmt-wo-stats:
Makefile: don't invoke msgfmt with --statistics
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Debugging support for refs API.
* hn/refs-debug-update:
refs: centralize initialization of the base ref_store.
refs: print error message in debug output
refs: pass gitdir to packed_ref_store_create
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"git fetch" and "git pull" are now declared sparse-index clean.
Also "git ls-files" learns the "--sparse" option to help debugging.
* ds/fetch-pull-with-sparse-index:
test-read-cache: remove --table, --expand options
t1091/t3705: remove 'test-tool read-cache --table'
t1092: replace 'read-cache --table' with 'ls-files --sparse'
ls-files: add --sparse option
fetch/pull: use the sparse index
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Test updates.
* hn/ref-api-tests-update:
t7004: use "test-tool ref-store" for reflog inspection
t7004: create separate tags for different tests
t5550: require REFFILES
t5540: require REFFILES
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Remove a few commands from "git p4" that aren't very useful.
* jh/p4-remove-unused:
git-p4: remove "rollback" verb
git-p4: remove "debug" verb
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Ævar Arnfjörð Bjarmason
Junio C Hamano
David Aguilar
Han-Wen Nienhuys
Johannes Sixt
Randall S. Becker
Fabian Stelzer
Bagas Sanjaya
Taylor Blau