setup: use "reftable" format when experimental features are enabled
With the preceding commit we have announced the switch to the "reftable"
format in Git 3.0 for newly created repositories. The format is being
battle tested by GitLab and a couple of other developers, and except for
a small handful of issues exposed early after it has been merged it has
been rock solid. Regardless of that though the test user base is still
comparatively small, which increases the risk that we miss critical
bugs.
Address this by enabling the reftable format when experimental features
are enabled. This should increase the test user base by some margin and
thus give us more input before making the format the default.
Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
BreakingChanges: announce switch to "reftable" format
The "reftable" format has come a long way and has matured nicely since
it has been merged into git via 57db2a094d5 (refs: introduce reftable
backend, 2024-02-07). It fixes longstanding issues that cannot be fixed
with the "files" format in a backwards-compatible way and performs
significantly better in many use cases.
Announce that we will switch to the "reftable" format in Git 3.0 for
newly created repositories and wire up the change, hidden behind the
WITH_BREAKING_CHANGES preprocessor define.
This switch is dependent on support in the larger Git ecosystem. Most
importantly, libraries like JGit, libgit2 and Gitoxide should support
the reftable backend so that we don't break all applications and tools
built on top of those libraries.
Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Mon, 30 Jun 2025 21:30:31 +0000 (14:30 -0700)]
Merge branch 'jc/merge-compact-summary'
"git merge/pull" has been taught the "--compact-summary" option to
use the compact-summary format, intead of diffstat, when showing
the summary of the incoming changes.
* jc/merge-compact-summary:
merge/pull: extend merge.stat configuration variable to cover --compact-summary
merge/pull: add the "--compact-summary" option
Junio C Hamano [Mon, 30 Jun 2025 21:30:30 +0000 (14:30 -0700)]
Merge branch 'bc/stash-export-import'
An interchange format for stash entries is defined, and subcommand
of "git stash" to import/export has been added.
* bc/stash-export-import:
builtin/stash: provide a way to import stashes from a ref
builtin/stash: provide a way to export stashes to a ref
builtin/stash: factor out revision parsing into a function
object-name: make get_oid quietly return an error
Junio C Hamano [Mon, 30 Jun 2025 21:30:30 +0000 (14:30 -0700)]
Merge branch 'jc/cocci-avoid-regexp-constraint'
Avoid regexp_constraint and instead use comparison_constraint when
listing functions to exclude from application of coccinelle rules,
as spatch can be built with different regexp engine X-<.
Junio C Hamano [Wed, 25 Jun 2025 21:07:36 +0000 (14:07 -0700)]
Merge branch 'ps/maintenance-ref-lock'
"git maintenance" lacked the care "git gc" had to avoid holding
onto the repository lock for too long during packing refs, which
has been remedied.
* ps/maintenance-ref-lock:
builtin/maintenance: fix locking race when handling "gc" task
builtin/gc: avoid global state in `gc_before_repack()`
usage: allow dying without writing an error message
builtin/maintenance: fix locking race with refs and reflogs tasks
builtin/maintenance: split into foreground and background tasks
builtin/maintenance: fix typedef for function pointers
builtin/maintenance: extract function to run tasks
builtin/maintenance: stop modifying global array of tasks
builtin/maintenance: mark "--task=" and "--schedule=" as incompatible
builtin/maintenance: centralize configuration of explicit tasks
builtin/gc: drop redundant local variable
builtin/gc: use designated field initializers for maintenance tasks
Junio C Hamano [Wed, 25 Jun 2025 21:07:35 +0000 (14:07 -0700)]
Merge branch 'jc/you-still-use-whatchanged'
"git whatchanged" that is longer to type than "git log --raw"
which is its modern rough equivalent has outlived its usefulness
more than 10 years ago. Plan to deprecate and remove it.
* jc/you-still-use-whatchanged:
whatschanged: list it in BreakingChanges document
whatchanged: remove when built with WITH_BREAKING_CHANGES
whatchanged: require --i-still-use-this
tests: prepare for a world without whatchanged
doc: prepare for a world without whatchanged
you-still-use-that??: help deprecating commands for removal
Junio C Hamano [Tue, 24 Jun 2025 16:48:51 +0000 (09:48 -0700)]
Merge branch 'sa/multi-mailmap-fix'
When asking to apply mailmap to both author and committer field
while showing a commit object, the field that appears later was not
correctly parsed and replaced, which has been corrected.
* sa/multi-mailmap-fix:
cat-file: fix mailmap application for different author and committer
Junio C Hamano [Tue, 24 Jun 2025 16:48:47 +0000 (09:48 -0700)]
Merge branch 'ag/send-email-edit-threading-fix'
"git send-email" incremented its internal message counter when a
message was edited, which made logic that treats the first message
specially misbehave, which has been corrected.
* ag/send-email-edit-threading-fix:
send-email: show the new message id assigned by outlook in the logs
send-email: fix bug resulting in broken threads if a message is edited
Jeff King [Mon, 23 Jun 2025 10:56:25 +0000 (06:56 -0400)]
test-lib: teach test_seq the -f option
The "seq" tool has a "-f" option to produce printf-style formatted
lines. Let's teach our test_seq helper the same trick. This lets us get
rid of some shell loops in test snippets (which are particularly verbose
in our test suite because we have to "|| return 1" to keep the &&-chain
going).
This converts a few call-sites I found by grepping around the test
suite. A few notes on these:
- In "seq", the format specifier is a "%g" float. Since test_seq only
supports integers, I've kept the more natural "%d" (which is what
these call sites were using already).
- Like "seq", test_seq automatically adds a newline to the specified
format. This is what all callers are doing already except for t0021,
but there we do not care about the exact format. We are just trying
to printf a large number of bytes to a file. It's not worth
complicating other callers or adding an option to avoid the newline
in that caller.
- Most conversions are just replacing a shell loop (which does get rid
of an extra fork, since $() requires a subshell). In t0612 we can
replace an awk invocation, which I think makes the end result more
readable, as there's less quoting.
- In t7422 we can replace one loop, but sadly we have to leave the
loop directly above it. This is because that earlier loop wants to
include the seq value twice in the output, which test_seq does not
support (nor does regular seq). If you run:
test_seq -f "foo-%d %d" 10
the second "%d" will always be the empty string. You might naively
think that test_seq could add some extra arguments, like:
# 3 ought to be enough for anyone...
printf "$fmt\n" "$i "$i" $i"
but that just triggers printf to format multiple lines, one per
extra set of arguments.
So we'd have to actually parse the format string, figure out how
many "%" placeholders are there, and then feed it that many
instances of the sequence number. The complexity isn't worth it.
Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
So we are passing "$i" as an argument to be filled in, but there is no
"%" placeholder in the format string, which is a bit confusing to read.
We could switch both instances of "$i" to "%d" (and pass $i twice). But
that makes the line even longer. Let's just keep interpolating the value
in the string, and drop the confusing extra "$i" argument.
And since we are not using any printf specifiers at all, it becomes
clear that we can swap it out for echo. We do use a "\n" in the middle
of the string, but breaking this into two separate echo statements
actually makes it easier to read.
Signed-off-by: Jeff King <peff@peff.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Wed, 18 Jun 2025 17:55:02 +0000 (10:55 -0700)]
cocci: matching (multiple) identifiers
"make coccicheck" seems to work OK at GitHub CI using
$ spatch --version
spatch version 1.1.1 compiled with OCaml version 4.13.1
OCaml scripting support: yes
Python scripting support: yes
Syntax of regular expressions: PCRE
but not with
$ spatch --version
spatch version 1.3 compiled with OCaml version 5.3.0
OCaml scripting support: yes
Python scripting support: yes
Syntax of regular expressions: Str
Judging from https://ocaml.org/manual/5.3/api/Str.html, I suspect
that this probably is caused by the distinction between BRE vs PCRE.
As there is no reasonably clean way to write the multiple choice
matches portably between these two pattern languages, let's stop
using regexp_constraint and use compare_constraint instead when
listing the function names to exclude.
There are other uses of "!~" but they all want to match a single
simple token, that should work fine either with BRE or PCRE.
Junio C Hamano [Wed, 18 Jun 2025 20:04:12 +0000 (13:04 -0700)]
diff-no-index: do not reference .d_type member of struct dirent
Some platforms like AIX lack .d_type member in "struct dirent"; use
the DTYPE(e) macro instead of a direct reference to e->d_type and
when it yields DT_UNKNOWN, find the real type with get_dtype().
Junio C Hamano [Tue, 17 Jun 2025 17:44:42 +0000 (10:44 -0700)]
Merge branch 'ps/meson-tap-parse'
Meson-based build/test framework now understands TAP output
generated by our tests.
* ps/meson-tap-parse:
meson: parse TAP output generated by our tests
meson: introduce kwargs variable for tests
test-lib: fail on unexpectedly passing tests
t7815: fix unexpectedly passing test on macOS
t/test-lib: fix TAP format for BASH_XTRACEFD warning
t/test-lib: don't print shell traces to stdout
t983*: use prereq to check for Python-specific git-p4(1) support
t9822: use prereq to check for ISO-8859-1 support
t: silence output from `test_create_repo()`
t: stop announcing prereqs
Junio C Hamano [Tue, 17 Jun 2025 17:44:41 +0000 (10:44 -0700)]
Merge branch 'jk/diff-no-index-with-pathspec'
"git diff --no-index dirA dirB" can limit the comparison with
pathspec at the end of the command line, just like normal "git
diff".
* jk/diff-no-index-with-pathspec:
diff --no-index: support limiting by pathspec
pathspec: add flag to indicate operation without repository
pathspec: add match_leading_pathspec variant
Junio C Hamano [Tue, 17 Jun 2025 17:44:39 +0000 (10:44 -0700)]
Merge branch 'vd/cat-file-objectmode-update'
"git cat-file --batch" learns to understand %(objectmode) atom to
allow the caller to tell missing objects (due to repository
corruption) and submodules (whose commit objects are OK to be
missing) apart.
* vd/cat-file-objectmode-update:
cat-file.c: add batch handling for submodules
cat-file: add %(objectmode) atom
t1006: update 'run_tests' to test generic object specifiers
Junio C Hamano [Tue, 17 Jun 2025 17:44:39 +0000 (10:44 -0700)]
Merge branch 'ag/send-email-docs'
Documentation for "git send-email" has been updated with a bit more
credential helper and OAuth information.
* ag/send-email-docs:
docs: make the purpose of using app password for Gmail more clear in send-email
docs: remove credential helper links for emails from gitcredentials
docs: improve formatting in git-send-email documentation
docs: add credential helper for yahoo and link Google's sendgmail tool
t2400: replace 'test -[efd]' with 'test_path_is_*'
'test_path_is_file', 'test_path_is_dir' and 'test_file_is_missing'
are test helpers used in Git's development, that emit useful
diagnostic information when they detect a failing condition, while
test -[efd] does not.
Replace the basic shell commands 'test -f', 'test -d' and 'test -e',
with these test helpers.
Co-authored-by: Isabella Caselli <icaselli@usp.br> Signed-off-by: Isabella Caselli <icaselli@usp.br> Signed-off-by: Rodrigo Michelassi <rodmichelassi@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Jinyao Guo [Fri, 13 Jun 2025 19:26:45 +0000 (19:26 +0000)]
mailinfo.c: fix memory leak in function handle_content_type()
The function handle_content_type allocates memory for boundary
using xmalloc(sizeof(struct strbuf)). If (++mi->content_top >=
&mi->content[MAX_BOUNDARIES]) is true, the function returns
without freeing boundary.
Signed-off-by: Jinyao Guo <guo846@purdue.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Thu, 12 Jun 2025 22:25:37 +0000 (15:25 -0700)]
merge/pull: extend merge.stat configuration variable to cover --compact-summary
Existing `merge.stat` configuration variable is a Boolean that
defaults to `true` to control `git merge --[no-]stat` behaviour.
Extend it to be "Boolean or text", that takes false, true, or
"compact", with the last one triggering the --compact-summary option
introduced earlier. Any other values are taken as the same as true,
instead of signaling an error---it is not a grave enough offence to
stop their merge.
Junio C Hamano [Thu, 12 Jun 2025 22:25:36 +0000 (15:25 -0700)]
merge/pull: add the "--compact-summary" option
"git merge" and "git pull" shows "git diff --stat --summary @{1}"
when they finish to indicate the extent of the changes brought into
the history by default. While it gives a good overview, it becomes
annoying when there are very many created or deleted paths.
Introduce "--compact-summary" option to these two commands that
tells it to instead show "git diff --compact-summary @{1}", which
gives the same information in a lot more compact form in such a
situation.
cat-file: fix mailmap application for different author and committer
The git cat-file command with --mailmap option fails to apply mailmap
transformations to the committer field when the author and committer
identities are different. This occurs due to a missing newline handling
in apply_mailmap_to_header() after processing each identity line.
When rewrite_ident_line() processes an identity, it stops at the end
of the identity data (e.g., "Author Name <email> timestamp"), but
doesn't account for the trailing newline. The current code adds the
identity length to buf_offset but fails to advance past the newline
character. This causes the next iteration to start parsing from the
newline instead of the beginning of the next header line, making it
impossible to match subsequent headers like "committer".
Additionally, rewrite_ident_line() may reallocate the buffer during
its operation. Any code using pointers into the old buffer would be
using invalid memory after such a reallocation.
This bug was introduced in e9c1b0e3 (revision: improve
commit_rewrite_person(), 2022-07-19) when the much simpler version of
commit_rewrite_person() that worked on one "person header" at a time
was rewritten to use the current apply_mailmap_to_header() function.
The original implementation processed author and committer separately,
but the rewrite introduced this loop-based approach that failed to
properly handle the transition between identity lines.
Let's fix this by addressing both issues:
1. After processing an identity line, we now check if we're at a
newline and advance past it, ensuring the next header line is
parsed correctly.
2. We recompute the buffer position after rewrite_ident_line() to
handle potential buffer reallocation.
This ensures that all identity headers in commit and tag objects are
consistently processed regardless of whether the author and committer
are the same person.
Reported-by: Vasilii Iakliushin <viakliushin@gitlab.com> Reviewed-by: Christian Couder <christian.couder@gmail.com> Signed-off-by: Siddharth Asthana <siddharthasthana31@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Thu, 12 Jun 2025 17:04:58 +0000 (10:04 -0700)]
build: sed portability fixes
Recently generating the version-def.h file and the config-list.h
file have been updated, which broke versions of "sed" that do not
want to be fed a file that ends with an incomplete line, and/or that
do not understand the more recent "-E" option to use extended
regular expression.
Fix them in response to a build-failure reported on Solaris boxes.
brian m. carlson [Thu, 12 Jun 2025 01:12:20 +0000 (01:12 +0000)]
builtin/stash: provide a way to import stashes from a ref
Now that we have a way to export stashes to a ref, let's provide a way
to import them from such a ref back to the stash. This works much the
way the export code does, except that we strip off the first parent
chain commit and then store each resulting commit back to the stash.
We don't clear the stash first and instead add the specified stashes to
the top of the stash. This is because users may want to export just a
few stashes, such as to share a small amount of work in progress with a
colleague, and it would be undesirable for the receiving user to lose
all of their data. For users who do want to replace the stash, it's
easy to do to: simply run "git stash clear" first.
We specifically rely on the fact that we'll produce identical stash
commits on both sides in our tests. This provides a cheap,
straightforward check for our tests and also makes it easy for users to
see if they already have the same data in both repositories.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
brian m. carlson [Thu, 12 Jun 2025 01:12:19 +0000 (01:12 +0000)]
builtin/stash: provide a way to export stashes to a ref
A common user problem is how to sync in-progress work to another
machine. Users currently must use some sort of transfer of the working
tree, which poses security risks and also necessarily causes the index
to become dirty. The experience is suboptimal and frustrating for
users.
A reasonable idea is to use the stash for this purpose, but the stash is
stored in the reflog, not in a ref, and as such it cannot be pushed or
pulled. This also means that it cannot be saved into a bundle or
preserved elsewhere, which is a problem when using throwaway development
environments.
In addition, users often want to replicate stashes across machines, such
as when they must use multiple machines or when they use throwaway dev
environments, such as those based on the Devcontainer spec, where they
might otherwise lose various in-progress work.
Let's solve this problem by allowing the user to export the stash to a
ref (or, to just write it into the repository and print the hash, à la
git commit-tree). Introduce git stash export, which writes a chain of
commits where the first parent is always a chain to the previous stash,
or to a single, empty commit (for the final item) and the second is the
stash commit normally written to the reflog.
Iterate over each stash from top to bottom, looking up the data for each
one, and then create the chain from the single empty commit back up in
reverse order. Generate a predictable empty commit so our behavior is
reproducible. Create a useful commit message, preserving the author and
committer information, to help users identify stash commits when viewing
them as normal commits.
If the user has specified specific stashes they'd like to export
instead, use those instead of iterating over all of the stashes.
As part of this, specifically request quiet behavior when looking up the
OID for a revision because we will eventually hit a revision that
doesn't exist and we don't want to die when that occurs.
When exporting stashes, be sure to verify that they look like valid
stashes and don't contain invalid data. This will help avoid failures
on import or problems due to attempting to export invalid refs that are
not stashes.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk> Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
brian m. carlson [Thu, 12 Jun 2025 01:12:18 +0000 (01:12 +0000)]
builtin/stash: factor out revision parsing into a function
We allow several special forms of stash names in this code. In the
future, we'll want to allow these same forms without parsing a stash
commit, so let's refactor this code out into a function for reuse.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
brian m. carlson [Thu, 12 Jun 2025 01:12:17 +0000 (01:12 +0000)]
object-name: make get_oid quietly return an error
A reasonable person looking at the signature and usage of get_oid and
friends might conclude that in the event of an error, it always returns
-1. However, this is not the case. Instead, get_oid_basic dies if we
go too far back into the history of a reflog (or, when quiet, simply
exits).
This is not especially useful, since in many cases, we might want to
handle this error differently. Let's add a flag here to make it just
return -1 like elsewhere in these code paths.
Note that we cannot make this behavior the default, since we have many
other codepaths that rely on the existing behavior, including in tests.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Revert "bswap.h: add support for built-in bswap functions"
Since 6547d1c9 (bswap.h: add support for built-in bswap
functions, 2025-04-23) tweaked the way the bswap32/64 macros are
defined, on platforms with __builtin_bswap32/64 supported, the
bswap32/64 macros are defined even on big endian platforms.
However the rest of this file assumes that bswap32/64() are defined
ONLY on little endian machines and uses that assumption to redefine
ntohl/ntohll macros. The said commit broke t4014-format-patch.sh test,
among many others on s390x.
Revert the commit.
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Signed-off-by: Junio C Hamano <gitster@pobox.com>
• Replace with phrases that are more standard (“all-or-nothing”
instead of “-none”)
• Add coordinating words that make it less likely for you to trip
over the sentence (“*that* "gc" can do”)
• Use “SMTP” instead of both SMTP and smtp
• Don’t mention `git fsck --reference` since the previous release
was not affected by this minor bug. Also say “errored out” since
the git-refs(1) bug was there in v2.48.0 as well
• Use the more widespread “linked” instead of “secondary worktree”
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name> Signed-off-by: Junio C Hamano <gitster@pobox.com>
When I added the Coverity workflow in a56b6230d0b1 (ci: add a GitHub
workflow to submit Coverity scans, 2023-09-25), I merely converted an
Azure Pipeline definition that had been running successfully for ages.
In the meantime, the current Coverity documentation describes a very
different way to install the analysis tool, recommending to add the
`bin/` directory to the _end_ of `PATH` (when originally, IIRC, it was
recommended to add it to the _beginning_ of the `PATH`).
This is crucial! The reason is that the current incarnation of the
Windows variant of Coverity's analysis tools come with a _lot_ of DLL
files in their `bin/` directory, some of them interferring rather badly
with the `gcc.exe` in Git for Windows' SDK that we use to run the
Coverity build. The symptom is a cryptic error message:
make: *** [Makefile:2960: headless-git.o] Error 1
make: *** Waiting for unfinished jobs....
D:\git-sdk-64-minimal\mingw64\bin\windres.exe: preprocessing failed.
make: *** [Makefile:2679: git.res] Error 1
make: *** [Makefile:2893: git.o] Error 1
make: *** [Makefile:2893: builtin/add.o] Error 1
Attempting to detect unconfigured compilers in build
|0----------25-----------50----------75---------100|
****************************************************
Warning: Build command make.exe exited with code 2. Please verify that the build completed successfully.
Warning: Emitted 0 C/C++ compilation units (0%) successfully
0 C/C++ compilation units (0%) are ready for analysis
For more details, please look at:
D:/a/git/git/cov-int/build-log.txt
The log (which the workflow is currently not configured to reveal) then
points out that the `windows.h` header cannot be found, which is _still_
not very helpful. The underlying root cause is that the `gcc.exe` in Git
for Windows' SDK determines the location of the header files via the
location of certain DLL files, and finding the "wrong" ones first on the
`PATH` misleads that logic.
Let's fix this problem by following Coverity's current recommendation
and append the `bin/` directory in which `cov-int` can be found to the
_end_ of `PATH`.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
K Jayatheerth [Wed, 11 Jun 2025 01:42:03 +0000 (07:12 +0530)]
stash: fix incorrect branch name in stash message
When creating a stash, Git uses the current branch name
of the superproject to construct the stash commit message.
However, in repositories with submodules,
the message may mistakenly display the submodule branch name instead.
This is because `refs_resolve_ref_unsafe()` returns a pointer to a static buffer.
Subsequent calls to the same function overwrite the buffer,
corrupting the originally fetched `branch_name` used for the stash message.
Use `xstrdup()` to duplicate the branch name immediately after resolving it,
so that later buffer overwrites do not affect the stash message.
Signed-off-by: K Jayatheerth <jayatheerthkulkarni2005@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Ayush Chandekar [Tue, 10 Jun 2025 13:02:21 +0000 (18:32 +0530)]
preload-index: stop depending on 'the_repository'
Refactor "preload-index.c" to remove the dependency on the global
'the_repository'. Replace the occurrences of 'the_repository' with
'index->repo' and thus remove the definition '#define
USE_THE_REPOSITORY_VARIABLE'.
Mentored-by: Christian Couder <christian.couder@gmail.com> Mentored-by: Ghanshyam Thakkar <shyamthakkar001@gmail.com> Signed-off-by: Ayush Chandekar <ayu.chandekar@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Ayush Chandekar [Tue, 10 Jun 2025 13:02:20 +0000 (18:32 +0530)]
environment: remove the global variable 'core_preload_index'
The global variable 'core_preload_index' is used in a single function
named 'preload_index()' in "preload-index.c". Move its declaration inside
that function, removing unnecessary global state.
This change is part of an ongoing effort to eliminate global variables,
improve modularity and help libify the codebase.
Mentored-by: Christian Couder <christian.couder@gmail.com> Mentored-by: Ghanshyam Thakkar <shyamthakkar001@gmail.com> Signed-off-by: Ayush Chandekar <ayu.chandekar@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Lidong Yan [Tue, 10 Jun 2025 00:37:59 +0000 (00:37 +0000)]
revision: fix memory leak in prepare_show_merge()
In revision.c:prepare_show_merge(), we allocated an array in prune
but forget to free it. Since parse_pathspec is not responsible to
free prune, we should add `free(prune)` in the end of prepare_show_merge().
Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Ramsay Jones [Mon, 9 Jun 2025 17:13:38 +0000 (18:13 +0100)]
test-lib: add missing prerequisites for Darwin
commit d3d8c601fd ("t7815: fix unexpectedly passing test on macOS",
2025-06-02) added a MACOS prerequisite by adding a 'Darwin' case
label to the 'OS-specific' case statement. However, this commit
forgot to set several prerequisites which appear in the 'default'
case label, in addition to the new MACOS prerequisite. This causes
several tests, which macOS should pass, being skipped.
In order to run all applicable tests on macOS, add the missing
prerequisites to the 'Darwin' case.
Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Lidong Yan [Mon, 9 Jun 2025 08:18:44 +0000 (08:18 +0000)]
pack-bitmap: remove checks before bitmap_free
In pack-bitmap.c:find_boundary_objects(), the roots_bitmap is only freed
if cascade_pseudo_merges_1() fails. However, cascade_pseudo_merges_1()
uses roots_bitmap as a mutable reference without taking ownership of it.
As a result, if cascade_pseudo_merges_1() succeeds, roots_bitmap is leaked.
And this leak currently lacks a dedicated test to detect it.
To fix this leak, remove if cascade_pseudo_merges_1() succeed check and
always calling bitmap_free(roots_bitmap);
To trigger this leak, we need roots_bitmap that contains at least one
pseudo merge. So that we can use pseudo merge bitmap when we compute roots
reachable bitmap. Here we create two commits: first A then B. Add A
to the pseudo-merge and perform a traversal over the range A..B.
In this scenario, the "haves" set will be {A}, and cascade_pseudo_merges_1
will succeed, thereby exposing the leak due to the missing roots_bitmap
cleanup.
Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Junio C Hamano [Mon, 9 Jun 2025 14:15:50 +0000 (07:15 -0700)]
Merge branch 'mm/test-in-absolute-home'
Tests that compare $HOME and $(pwd), which should be the same
directory unless the tests chdir's around, would fail when the user
enters the test directory via symbolic links, which has been
corrected.
* mm/test-in-absolute-home:
t: run tests from a normalized working directory
Lidong Yan [Sun, 8 Jun 2025 03:56:59 +0000 (03:56 +0000)]
builtin/submodule--helper: fix leak when remote_submodule_branch() failed
In builtin/submodule--helper.c:update_submodule(), the variable
remote_name is allocated in get_default_remote_submodule() but
may be leaked if remote_submodule_branch() fails. Although it is
unlikely that remote_submodule_branch() would fail after successfully
obtaining a remote ref name from get_default_remote_submodule(),
it is still possible. To prevent a potential memory leak, add a
call to free(remote_name) at the early exit point.
Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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