| Age | Commit message (Collapse) | Author |
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Leakfix.
* ss/packed-ref-store-leakfix:
refs/files: prevent memory leak by freeing packed_ref_store
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A flakey test and incorrect calls to strtoX() functions have been
fixed.
* kl/test-fixes:
t6421: fix test to work when repo dir contains d0
set errno=0 before strtoX calls
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"git reflog expire" failed to honor annotated tags when computing
reachable commits.
* jc/reflog-expire-lookup-commit-fix:
Revert "reflog expire: don't use lookup_commit_reference_gently()"
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Docfix.
* jr/ls-files-expand-literal-doc:
doc: fix hex code escapes in git-ls-files
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Leakfix.
* jc/leakfix-mailmap:
mailmap: plug memory leak in read_mailmap_blob()
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Leakfix.
* jc/leakfix-hashfile:
csum-file: introduce discard_hashfile()
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Remove leftover debugging cruft from a test script.
* jc/jl-git-no-advice-fix:
t0018: remove leftover debugging cruft
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"git config --value=foo --fixed-value section.key newvalue" barfed
when the existing value in the configuration file used the
valueless true syntax, which has been corrected.
* tb/config-fixed-value-with-valueless-true:
config.c: avoid segfault with --fixed-value and valueless config
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A recent update broke "git ls-remote" used outside a repository,
which has been corrected.
* ps/ls-remote-out-of-repo-fix:
builtin/ls-remote: fall back to SHA1 outside of a repo
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The credential helper to talk to OSX keychain sometimes sent
garbage bytes after the username, which has been corrected.
* jk/osxkeychain-username-is-nul-terminated:
credential/osxkeychain: respect NUL terminator in username
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Commit 4e51389000 (builtin/config: introduce "get" subcommand, 2024-05-06)
introduced this typo. It uses 3 dashes for regexp argument instead of
correct 2 dashes.
Signed-off-by: Celeste Liu <CoelacanthusHex@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The batched mode of git-cat-file(1) reads multiple objects from stdin
and prints their respective contents to stdout.
The order in which those objects are printed is not documented
and may not be immediately obvious to the user.
Document it.
Signed-off-by: ahmed akef <aemed.akef.1@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Sync with Windows+VS build jobs used at CI.
* js/ci-win-vs-build:
ci(win+VS): download the vcpkg artifacts using a dedicated GitHub Action
ci: bump microsoft/setup-msbuild from v1 to v2
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As we have operated with "write like how your surrounding code is
written" for too long, after a huge code drop from another project,
we'll end up being inconsistent before such an imported code is
cleaned up. We have many uses of cast operator with a space before
its operand, mostly in the reftable code.
Spell the convention out before it spreads to other places.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The Git for Windows project provides a GitHub Action to download and
cache Azure Pipelines artifacts (such as the `vcpkg` artifacts), hiding
gnarly internals, and also providing some robustness against network
glitches. Let's use it.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The main benefit: The new version uses a node.js version that is not yet
deprecated.
Links:
- [Release notes](https://github.com/microsoft/setup-msbuild/releases)
- [Changelog](https://github.com/microsoft/setup-msbuild/blob/main/building-release.md)
- [Commits](https://github.com/microsoft/setup-msbuild/compare/v1...v2)
This patch was originally by GitHub's Dependabot, but I cannot attribute
that bot properly because it has no dedicated email address. Probably
because it hasn't reached legal age yet, or something.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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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Perforce tests have been updated.
cf. <na5mwletzpnacietbc7pzqcgb622mvrwgrkjgjosysz3gvjcso@gzxxi7d7icr7>
* ps/p4-tests-updates:
t98xx: mark Perforce tests as memory-leak free
ci: update Perforce version to r23.2
t98xx: fix Perforce tests with p4d r23 and newer
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Typofix.
* ks/unit-test-comment-typofix:
unit-tests/test-lib: fix typo in check_pointer_eq() description
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An expensive operation to prepare tracing was done in re-encoding
code path even when the tracing was not requested, which has been
corrected.
* dh/encoding-trace-optim:
convert: return early when not tracing
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"git notes add -m '' --allow-empty" and friends that take prepared
data to create notes should not invoke an editor, but it started
doing so since Git 2.42, which has been corrected.
* dd/notes-empty-no-edit-by-default:
notes: do not trigger editor when adding an empty note
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"git rebase --help" referred to "offset" (the difference between
the location a change was taken from and the change gets replaced)
incorrectly and called it "fuzz", which has been corrected.
* jc/doc-rebase-fuzz-vs-offset-fix:
doc: difference in location to apply is "offset", not "fuzz"
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Docfix.
* tn/doc-commit-fix:
doc: remove dangling closing parenthesis
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"git add -p" by users with diff.suppressBlankEmpty set to true
failed to parse the patch that represents an unmodified empty line
with an empty line (not a line with a single space on it), which
has been corrected.
* pw/add-patch-with-suppress-blank-empty:
add-patch: use normalize_marker() when recounting edited hunk
add-patch: handle splitting hunks with diff.suppressBlankEmpty
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Doc update.
* jt/doc-post-receive-hook-update:
doc: clarify post-receive hook behavior
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* 'jc/how-to-maintain-updates' (early part):
howto-maintain: update daily tasks
howto-maintain: cover a whole development cycle
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It has been documented that we avoid "VAR=VAL shell_func" and why.
* jc/doc-one-shot-export-with-shell-func:
CodingGuidelines: document a shell that "fails" "VAR=VAL shell_func"
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"git checkout --ours" (no other arguments) complained that the
option is incompatible with branch switching, which is technically
correct, but found confusing by some users. It now says that the
user needs to give pathspec to specify what paths to checkout.
* jc/checkout-no-op-switch-errors:
checkout: special case error messages during noop switching
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It was reported that creating a stash with `--keep-index
--include-untracked` causes an error when HEAD points to a commit whose
tree is empty:
$ git stash push --keep-index --include-untracked
error: pathspec ':/' did not match any file(s) known to git
This error comes from `git checkout --no-overlay $i_tree -- :/`, which
we execute to reset the working tree to the state in our index. As the
tree generated from the index is empty in our case, ':/' does not match
any files and thus causes git-checkout(1) to error out.
Fix the issue by skipping the checkout when the index tree is empty. As
explained in the in-code comment, this should be the correct thing to do
as there is nothing that we'd have to reset in the first place.
Reported-by: Piotr Siupa <piotrsiupa@gmail.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch fixes a racy test failure in t4129.
The deletion test added by e95d515141 (apply: canonicalize modes read
from patches, 2024-08-05) wants to make sure that git-apply does not
complain about a non-canonical mode in the patch, even if that mode does
not match the working tree file. So it does this:
echo content >non-canon &&
git add non-canon &&
chmod 666 non-canon &&
This is wrong, because running chmod will update the ctime on the file,
making it stat-dirty and causing git-apply to refuse to apply the patch.
But this only happens sometimes, since it depends on the timestamps
crossing a second boundary (but it triggers pretty quickly when run with
--stress).
We can fix this by doing the chmod before updating the index. The order
isn't important here, as the mode will be canonicalized to 100644 in the
index anyway (in fact, the chmod is not even that important in the first
place, since git-apply will only look at the index; I only added it as
an extra confirmation that git-apply would not be confused by it).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Forgot to mention that the preformatted documentation repositories
are updated every time the master branch of the project advances.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We hit a segfault when trying to open a bundle via `git bundle
list-heads` when running outside of a repository. This is caused by
c8aed5e8da (repository: stop setting SHA1 as the default object hash,
2024-05-07), which stopped setting the default object hash so that
`the_hash_algo` is a `NULL` pointer when running outside of any repo.
This is only a symptom of a deeper issue though. Bundles default to the
SHA1 object format unless they advertise an "@object-format=" header.
Consequently, it has been wrong in the first place to use the object
format used by the current repository when parsing bundles. The
consequence is that trying to open a bundle that uses a different object
hash than the current repository will fail:
$ git bundle list-heads sha1.bundle
error: unrecognized header: ee4b540943284700a32591ad09f7e15bdeb2a10c HEAD (45)
Fix the bug by defaulting to the SHA1 object hash. We already handle the
"@object-format=" header as expected, so we don't need to adapt this
part.
Helped-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `git bundle unbundle` subcommand requires a repository to unbundle
the contents into. As thus, the subcommand checks whether we have a
startup repository in the first place, and if not it dies.
This check happens after we have already opened the bundle though. This
causes a segfault when running outside of a repository starting with
c8aed5e8da (repository: stop setting SHA1 as the default object hash,
2024-05-07) because we have no hash function set up, but we do try to
parse refs advertised by the bundle's header.
The next commit will fix that underlying issue by defaulting to the SHA1
object format for bundles, which will also fix the described segfault here.
But as we know that we will die anyway, we can do better than that and
avoid some vain work by moving the check for a repository before we try
to open the bundle.
Reported-by: ArcticLampyrid <ArcticLampyrid@outlook.com>
Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Describe in present tense what the option does when it is given.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We say "these", so "range notations" must be plural.
Reported-by: Furkan Akkurt
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When using "git-diff-tree" to get the tree diff for merge commits with
the diff format set to `remerge`, a bug is triggered as shown below:
$ git diff-tree -r --remerge-diff 363337e6eb
363337e6eb812d0c0d785ed4261544f35559ff8b
BUG: log-tree.c:1006: did a remerge diff without remerge_objdir?!?
This bug is reported by `log-tree.c:do_remerge_diff`, where a bug check
added in commit 7b90ab467a (log: clean unneeded objects during log
--remerge-diff, 2022-02-02) detects the absence of `remerge_objdir` when
attempting to clean up temporary objects generated during the remerge
process.
After some further digging, I find that the remerge-related diff options
were introduced in db757e8b8d (show, log: provide a --remerge-diff
capability, 2022-02-02), which also affect the setup of `rev_info` for
"git-diff-tree", but were not accounted for in the original
implementation (inferred from the commit message).
Elijah Newren, the author of the remerge diff feature, notes that other
callers of `log-tree.c:log_tree_commit` (the only caller of
`log-tree.c:do_remerge_diff`) also exist, but:
`builtin/am.c`: manually sets all flags; remerge_diff is not among them
`sequencer.c`: manually sets all flags; remerge_diff is not among them
so `builtin/diff-tree.c` really is the only caller that was overlooked
when remerge-diff functionality was added.
This commit resolves the crash by adding `remerge_objdir` setup logic to
`builtin/diff-tree.c`, mirroring `builtin/log.c:cmd_log_walk_no_free`.
It also includes the necessary cleanup for `remerge_objdir`.
Reviewed-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Xing Xin <xingxin.xx@bytedance.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A few tests have "| tee output" downstream of a git command, and
then inspect the contents of the file. The net effect is that we
use an extra process, and hide the exit status from the upstream git
command.
In any of these tests, I do not see a reason why we want to hide a
possible failure from these git commands. Replace the use of tee
with a plain simple redirection.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `grep` statement in this test looks for `d0.*<string>`, attempting
to filter to only show lines that had tabular output where the 2nd
column had `d0` and the final column had a substring of
[`git -c `]`fetch.negotiationAlgorithm`. These lines also have
`child_start` in the 4th column, but this isn't part of the condition.
A subsequent line will have `d1` in the 2nd column, `start` in the 4th
column, and `/path/to/git/git -c fetch.negotiationAlgorihm` in the final
column. If `/path/to/git/git` contains the substring `d0`, then this
line is included by `grep` as well as the desired line, leading to an
effective doubling of the number of lines, and test failures.
Tighten the grep expression to require `d0` to be surrounded by spaces,
and to have the `child_start` label.
Signed-off-by: Kyle Lippincott <spectral@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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To detect conversion failure after calls to functions like `strtod`, one
can check `errno == ERANGE`. These functions are not guaranteed to set
`errno` to `0` on successful conversion, however. Manual manipulation of
`errno` can likely be avoided by checking that the output pointer
differs from the input pointer, but that's not how other locations, such
as parse.c:139, handle this issue; they set errno to 0 prior to
executing the function.
For every place I could find a strtoX function with an ERANGE check
following it, set `errno = 0;` prior to executing the conversion
function.
Signed-off-by: Kyle Lippincott <spectral@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Reduce code duplication by calling decimal_width() to count the digits
in the number of commits instead of calculating it locally.
It also has the advantage of returning int, which is the exact type
expected by the printf()-like function strbuf_addf() for field width
arguments.
Additionally, decimal_width() supports numbers bigger than 1410065407,
which is (hopefully) just a theoretical advantage.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This complements 64a6dd8ffc (refs: implement removal of ref storages,
2024-06-06).
Signed-off-by: Sven Strickroth <email@cs-ware.de>
Acked-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Git stores only canonical modes for blobs. So for a regular file, we
care about only "100644" or "100755" (depending only on the executable
bit), but never modes where the group or other permissions are more
exotic. So never "100664", "100700", etc. When a file in the working
tree has such a mode, we quietly turn it into one of the two canonical
modes, and that's what is stored both in the index and in tree objects.
However, we don't canonicalize modes we read from incoming patches in
git-apply. These may appear in a few lines:
- "old mode" / "new mode" lines for mode changes
- "new file mode" lines for newly created files
- "deleted file mode" for removing files
For "new mode" and for "new file mode", this is harmless. The patch is
asking the result to have a certain mode, but:
- when we add an index entry (for --index or --cached), it is
canonicalized as we create the entry, via create_ce_mode().
- for a working tree file, try_create_file() passes either 0777 or
0666 to open(), so what you get depends only on your umask, not any
other bits (aside from the executable bit) in the original mode.
However, for "old mode" and "deleted file mode", there is a minor
annoyance. We compare the patch's expected preimage mode with the
current state. But that current state is always going to be a canonical
mode itself:
- updating an index entry via --cached will have the canonical mode in
the index
- for updating a working tree file, check_preimage() runs the mode
through ce_mode_from_stat(), which does the usual canonicalization
So if the patch feeds a non-canonical mode, it's impossible for it to
match, and we will always complain with something like:
file has type 100644, expected 100664
Since this is just a warning, the operation proceeds, but it's
confusing and annoying.
These cases should be pretty rare in practice. Git would never produce a
patch with non-canonical modes itself (since it doesn't store them).
And while we do accept patches from other programs, all of those lines
were invented by Git. So you'd need a program trying to be Git
compatible, but not handling canonicalization the same way. Reportedly
"quilt" is such a program.
We should canonicalize the modes as we read them so that the user never
sees the useless warning.
A few notes on the tests:
- I've covered instances of all lines for completeness, even though
the "new mode" / "new file mode" ones behave OK currently.
- the tests apply patches to both the index and working tree, and
check the result of both. Again, we know that all of these paths
canonicalize anyway, but it's giving us extra coverage (although we
are even less likely to have such a bug now since we canonicalize up
front).
- the test patches are missing "index" lines, which is also something
Git would never produce. But they don't matter for the test, they do
match the case from quilt we saw in the wild, and they avoid some
sha1/sha256 complexity.
Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In c8aed5e8da (repository: stop setting SHA1 as the default object hash,
2024-05-07), we have stopped setting the default hash algorithm for
`the_repository`. Consequently, code that relies on `the_hash_algo` will
now crash when it hasn't explicitly been initialized, which may be the
case when running outside of a Git repository.
It was reported that git-ls-remote(1) may crash in such a way when using
a remote helper that advertises refspecs. This is because the refspec
announced by the helper will get parsed during capability negotiation.
At that point we haven't yet figured out what object format the remote
uses though, so when run outside of a repository then we will fail.
The course of action is somewhat dubious in the first place. Ideally, we
should only parse object IDs once we have asked the remote helper for
the object format. And if the helper didn't announce the "object-format"
capability, then we should always assume SHA256. But instead, we used to
take either SHA1 if there was no repository, or we used the hash of the
local repository, which is wrong.
Arguably though, crashing hard may not be in the best interest of our
users, either. So while the old behaviour was buggy, let's restore it
for now as a short-term fix. We should eventually revisit, potentially
by deferring the point in time when we parse the refspec until after we
have figured out the remote's object hash.
Reported-by: Mike Hommey <mh@glandium.org>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The actual file is copied out to /tmp, presumably so that the tester
can inspect it after the test is done, which may have been a useful
debugging aid.
But in the final shape of the test suite, such a code should not
exist. We cannot even assume that we are allowed to write into /tmp
(our TMPDIR may not even be pointing at it) or read from it for that
matter.
Noticed-by: Randall S. Becker <rsbecker@nexbridge.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When using `--fixed-value` with a key whose value is left empty (implied
as being "true"), 'git config' may crash when invoked like either of:
$ git config set --file=config --value=value --fixed-value \
section.key pattern
$ git config --file=config --fixed-value section.key value pattern
The original bugreport[1] bisects to 00bbdde141 (builtin/config:
introduce "set" subcommand, 2024-05-06), which is a red-herring, since
the original bugreport uses the new 'git config set' invocation.
The behavior likely bisects back to c90702a1f6 (config: plumb
--fixed-value into config API, 2020-11-25), which introduces the new
--fixed-value option in the first place.
Looking at the relevant frame from a failed process's coredump, the
crash appears in config.c::matches() like so:
(gdb) up
#1 0x000055b3e8b06022 in matches (key=0x55b3ea894360 "section.key", value=0x0,
store=0x7ffe99076eb0) at config.c:2884
2884 return !strcmp(store->fixed_value, value);
where we are trying to compare the `--fixed-value` argument to `value`,
which is NULL.
Avoid attempting to match `--fixed-value` for configuration keys with no
explicit value. A future patch could consider the empty value to mean
"true", "yes", "on", etc. when invoked with `--type=bool`, but let's
punt on that for now in the name of avoiding the segfault.
[1]: https://lore.kernel.org/git/CANrWfmTek1xErBLrnoyhHN+gWU+rw14y6SQ+abZyzGoaBjmiKA@mail.gmail.com/
Reported-by: Han Jiang <jhcarl0814@gmail.com>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch fixes a case where git-credential-osxkeychain might output
uninitialized bytes to stdout.
We need to get the username string from a system API using
CFStringGetCString(). To do that, we get the max size for the string
from CFStringGetMaximumSizeForEncoding(), allocate a buffer based on
that, and then read into it. But then we print the entire buffer to
stdout, including the trailing NUL and any extra bytes which were not
needed. Instead, we should stop at the NUL.
This code comes from 9abe31f5f1 (osxkeychain: replace deprecated
SecKeychain API, 2024-02-17). The bug was probably overlooked back then
because this code is only used as a fallback when we can't get the
string via CFStringGetCStringPtr(). According to Apple's documentation:
Whether or not this function returns a valid pointer or NULL depends
on many factors, all of which depend on how the string was created and
its properties.
So it's not clear how we could make a test for this, and we'll have to
rely on manually testing on a system that triggered the bug in the first
place.
Reported-by: Hong Jiang <ilford@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Tested-by: Hong Jiang <ilford@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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All the Perforce tests are free of memory leaks. This went unnoticed
because most folks do not have p4 and p4d installed on their computers.
Consequently, given that the prerequisites for running those tests
aren't fulfilled, `TEST_PASSES_SANITIZE_LEAK=check` won't notice that
those tests are indeed memory leak free.
Mark those tests accordingly.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update our Perforce version from r21.2 to r23.2. Note that the updated
version is not the newest version. Instead, it is the last version where
the way that Perforce is being distributed remains the same as in r21.2.
Newer releases stopped distributing p4 and p4d executables as well as
the macOS archives directly and would thus require more work.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some of the tests in t98xx modify the Perforce depot in ways that the
tool wouldn't normally allow. This is done to test behaviour of git-p4
in certain edge cases that we have observed in the wild, but which
should in theory not be possible.
Naturally, modifying the depot on disk directly is quite intimate with
the tool and thus prone to breakage when Perforce updates the way that
data is stored. And indeed, those tests are broken nowadays with r23 of
Perforce. While a file revision was previously stored as a plain file
"depot/file,v", it is now stored in a directory "depot/file,d" with
compression.
Adapt those tests to handle both old- and new-style depot layouts.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When Git adds a file requiring encoding conversion and tracing of encoding
conversion is not requested via the GIT_TRACE_WORKING_TREE_ENCODING
environment variable, the `trace_encoding()` function still allocates &
prepares "human readable" copies of the file contents before and after
conversion to show in the trace. This results in a high memory footprint
and increased runtime without providing any user-visible benefit.
This fix introduces an early exit from the `trace_encoding()` function
when tracing is not requested, preventing unnecessary memory allocation
and processing.
Signed-off-by: D Harithamma <harithamma.d@ibm.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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