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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Typofixes.
* ak/typofixes:
t: fix typos
t/helper: fix a typo
t/perf: fix typos
t/unit-tests: fix typos
contrib: fix typos
compat: fix typos
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Docfix.
* xx/protocol-v2-doc-markup-fix:
Documentation/gitprotocol-v2.txt: fix a slight inconsistency in format
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Leakfix.
* tc/bundle-uri-leakfix:
bundle-uri: plug leak in unbundle_from_file()
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Doc updates.
* kh/checkout-ignore-other-docfix:
checkout: refer to other-worktree branch, not ref
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Docfix.
cf. <CABPp-BE=JfoZp19Va-1oF60ADBUibGDwDkFX-Zytx7A3uJ__gg@mail.gmail.com>
* kh/merge-tree-doc:
doc: merge-tree: improve example script
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Code clean-up.
* kn/loose-object-layer-wo-global-hash:
loose: don't rely on repository global state
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Doc updates.
* jc/doc-refspec-syntax:
doc: clarify <src> in refspec syntax
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Docfix.
* js/doc-platform-support-link-fix:
docs: fix the `maintain-git` links in `technical/platform-support`
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Docfix.
* jh/config-unset-doc-fix:
git-config.1: remove value from positional args in unset usage
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Code clean-up.
* jk/output-prefix-cleanup:
diff: store graph prefix buf in git_graph struct
diff: return line_prefix directly when possible
diff: return const char from output_prefix callback
diff: drop line_prefix_length field
line-log: use diff_line_prefix() instead of custom helper
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Doc update to clarify how periodical maintenance are scheduled,
spread across time to avoid thundering hurds.
* sk/doc-maintenance-schedule:
doc: add a note about staggering of maintenance
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Document "amlog" notes.
* tb/notes-amlog-doc:
Documentation: mention the amlog in howto/maintain-git.txt
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* 'master' of https://github.com/j6t/gitk:
Makefile(s): avoid recipe prefix in conditional statements
doc: switch links to https
doc: update links to current pages
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In GNU Make commit 07fcee35 ([SV 64815] Recipe lines cannot contain
conditional statements, 2023-05-22) and following, conditional
statements may no longer be preceded by a tab character (which Make
refers to as the recipe prefix).
There are a handful of spots in our various Makefile(s) which will break
in a future release of Make containing 07fcee35. For instance, trying to
compile the pre-image of this patch with the tip of make.git results in
the following:
$ make -v | head -1 && make
GNU Make 4.4.90
config.mak.uname:842: *** missing 'endif'. Stop.
The kernel addressed this issue in 82175d1f9430 (kbuild: Replace tabs
with spaces when followed by conditionals, 2024-01-28). Address the
issues in Git's tree by applying the same strategy.
When a conditional word (ifeq, ifneq, ifdef, etc.) is preceded by one or
more tab characters, replace each tab character with 8 space characters
with the following:
find . -type f -not -path './.git/*' -name Makefile -or -name '*.mak' |
xargs perl -i -pe '
s/(\t+)(ifn?eq|ifn?def|else|endif)/" " x (length($1) * 8) . $2/ge unless /\\$/
'
The "unless /\\$/" removes any false-positives (like "\telse \"
appearing within a shell script as part of a recipe).
After doing so, Git compiles on newer versions of Make:
$ make -v | head -1 && make
GNU Make 4.4.90
GIT_VERSION = 2.44.0.414.gfac1dc44ca9
[...]
$ echo $?
0
Reported-by: Dario Gjorgjevski <dario.gjorgjevski@gmail.com>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Cherry-picked-from: 728b9ac0c3b93aaa4ea80280c591deb198051785
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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These sites offer https versions of their content.
Using the https versions provides some protection for users.
Signed-off-by: Josh Soref <jsoref@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Cherry-picked-from: d05b08cd52cfda627f1d865bdfe6040a2c9521b5
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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It's somewhat traditional to respect sites' self-identification.
Signed-off-by: Josh Soref <jsoref@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Cherry-picked-from: 65175d9ea26bebeb9d69977d0e75efc0e88dbced
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A "git fetch" from the superproject going down to a submodule used
a wrong remote when the default remote names are set differently
between them.
* db/submodule-fetch-with-remote-name-fix:
submodule: correct remote name with fetch
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Fail gracefully instead of crashing when attempting to write the
contents of a corrupt in-core index as a tree object.
* ps/cache-tree-w-broken-index-entry:
unpack-trees: detect mismatching number of cache-tree/index entries
cache-tree: detect mismatching number of index entries
cache-tree: refactor verification to return error codes
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"git maintenance start" crashed due to an uninitialized variable
reference, which has been corrected.
* ps/maintenance-start-crash-fix:
builtin/gc: fix crash when running `git maintenance start`
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On macOS, fsmonitor can fall into a race condition that results in
a client waiting forever to be notified for an event that have
already happened. This problem has been corrected.
* jk/fsmonitor-event-listener-race-fix:
fsmonitor: initialize fs event listener before accepting clients
simple-ipc: split async server initialization and running
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Use after free and double freeing at the end in "git log -L... -p"
had been identified and fixed.
* ds/line-log-asan-fix:
line-log: protect inner strbuf from free
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Fix typos via codespell.
Signed-off-by: Andrew Kreimer <algonell@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix a typo in comments: bellow -> below.
Signed-off-by: Andrew Kreimer <algonell@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix typos via codespell.
Signed-off-by: Andrew Kreimer <algonell@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix typos via codespell.
Signed-off-by: Andrew Kreimer <algonell@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix typos via codespell.
Signed-off-by: Andrew Kreimer <algonell@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fix typos and grammar.
Reported-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Andrew Kreimer <algonell@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We can only check out commits or branches, not refs in general. And the
problem here is if another worktree is using the branch that we want to
check out.
Let’s be more direct and just talk about branches instead of refs.
Also replace “be held” with “in use”. Further, “in use” is not
restricted to a branch being checked out (e.g. the branch could be busy
on a rebase), hence generalize to “or otherwise in use” in the option
description.
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Xing Xin <xingxin.xx@bytedance.com>
Acked-by: Kristoffer Haugsbakk <kristofferhaugsbakk@fastmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The function `unbundle_from_file()` has two memory leaks:
- We do not release the `struct bundle_header header` when hitting
errors because we return early without any cleanup.
- We do not release the `struct strbuf bundle_ref` at all.
Plug these leaks by creating a common exit path where both of these
variables are released.
While at it, refactor the code such that the variable assignments do not
happen inside the conditional statement itself according to our coding
style.
Signed-off-by: Toon Claes <toon@iotcl.com>
Acked-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It was reported on the mailing list that running `git maintenance start`
immediately segfaults starting with b6c3f8e12c (builtin/maintenance: fix
leak in `get_schedule_cmd()`, 2024-09-26). And indeed, this segfault is
trivial to reproduce up to a point where one is scratching their head
why we didn't catch this regression in our test suite.
The root cause of this error is `get_schedule_cmd()`, which does not
populate the `out` parameter in all cases anymore starting with the
mentioned commit. Callers do assume it to always be populated though and
will e.g. call `strvec_split()` on the returned value, which will of
course segfault when the variable is uninitialized.
So why didn't we catch this trivial regression? The reason is that our
tests always set up the "GIT_TEST_MAINT_SCHEDULER" environment variable
via "t/test-lib.sh", which allows us to override the scheduler command
with a custom one so that we don't accidentally modify the developer's
system. But the faulty code where we don't set the `out` parameter will
only get hit in case that environment variable is _not_ set, which is
never the case when executing our tests.
Fix the regression by again unconditionally allocating the value in the
`out` parameter, if provided. Add a test that unsets the environment
variable to catch future regressions in this area.
Reported-by: Shubham Kanodia <shubham.kanodia10@gmail.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We explicitly avoid saying "ref <src>" when introducing the source
side of a refspec, because it can be a fully-spelled hexadecimal
object name, and it also can be a pattern that is not quite a "ref".
But we are loose when we introduce <dst> and say "ref <dst>", even
though it can also be a pattern. Let's omit "ref" also from the
destination side.
Clarify that <src> can be a ref, a (limited glob) pattern, or an
object name.
Even though the very original design of refspec expected that '*'
was used only at the end (e.g., "refs/heads/*" was expected, but not
"refs/heads/*-wip"), the code and its use evolved to handle a single
'*' anywhere in the pattern. Update the text to remove the mention
of "the same prefix". Anything that matches the pattern are named
by such a (limited glob) pattern in <src>.
Also put a bit more stress on the fact that we accept only one '*'
in the pattern by saying "one and only one `*`".
Helped-by: Monika Kairaitytė <monika@kibit.lt>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In `loose.c`, we rely on the global variable `the_hash_algo`. As such we
have guarded the file with the 'USE_THE_REPOSITORY_VARIABLE' definition.
Let's derive the hash algorithm from the available repository variable
and remove this guard. This brings us one step closer to removing the
global 'the_repository' variable.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The code fetches the submodules remote based on the superproject remote name
instead of the submodule remote name[1].
Instead of grabbing the default remote of the superproject repository, ask
the default remote of the submodule we are going to run 'git fetch' in.
1. https://lore.kernel.org/git/ZJR5SPDj4Wt_gmRO@pweza/
Signed-off-by: Daniel Black <daniel@mariadb.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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• Provide a commit message in the example command.
The command will hang since it is waiting for a commit message on
stdin. Which is usable but not straightforward enough since this is
example code.
• Use `||` directly since that is more straightforward than checking the
last exit status.
Also use `echo` and `exit` since `die` is not defined.
• Expose variable declarations.
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The synopsis for `git config unset` mentions two positional arguments:
`<name>` and `<value>`. While the first argument is correct, the second
is not. Users are expected to provide the value via `--value=<value>`.
Remove the positional argument. The `--value=<value>` option is already
documented correctly, so this is all we need to do to fix the
documentation.
Signed-off-by: Josh Heinrichs <joshiheinrichs@gmail.com>
Reviewed-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There's a racy hang in fsmonitor on macOS that we sometimes see in CI.
When we serve a client, what's supposed to happen is:
1. The client thread calls with_lock__wait_for_cookie() in which we
create a cookie file and then wait for a pthread_cond event
2. The filesystem event listener sees the cookie file creation, does
some internal book-keeping, and then triggers the pthread_cond.
But there's a problem: we start the listener that accepts client threads
before we start the fs event thread. So it's possible for us to accept a
client which creates the cookie file and starts waiting before the fs
event thread is initialized, and we miss those filesystem events
entirely. That leaves the client thread hanging forever.
In CI, the symptom is that t9210 (which is testing scalar, which always
enables fsmonitor under the hood) may hang forever in "scalar clone". It
is waiting on "git fetch" which is waiting on the fsmonitor daemon.
The race happens more frequently under load, but you can trigger it
predictably with a sleep like this, which delays the start of the fs
event thread:
--- a/compat/fsmonitor/fsm-listen-darwin.c
+++ b/compat/fsmonitor/fsm-listen-darwin.c
@@ -510,6 +510,7 @@ void fsm_listen__loop(struct fsmonitor_daemon_state *state)
FSEventStreamSetDispatchQueue(data->stream, data->dq);
data->stream_scheduled = 1;
+ sleep(1);
if (!FSEventStreamStart(data->stream)) {
error(_("Failed to start the FSEventStream"));
goto force_error_stop_without_loop;
One solution might be to reverse the order of initialization: start the
fs event thread before we start the thread listening for clients. But
the fsmonitor code explicitly does it in the opposite direction. The fs
event thread wants to refer to the ipc_server_data struct, so we need it
to be initialized first.
A further complication is that we need a signal from the fs event thread
that it is actually ready and listening. And those details happen within
backend-specific fsmonitor code, whereas the initialization is in the
shared code.
So instead, let's use the ipc_server init/start split added in the
previous commit. The generic fsmonitor code will init the ipc_server but
_not_ start it, leaving that to the backend specific code, which now
needs to call ipc_server_start_async() at the right time.
For macOS, that is right after we start the FSEventStream that you can
see in the diff above.
It's not clear to me if Windows suffers from the same problem (and we
simply don't trigger it in CI), or if it is immune. Regardless, the
obvious place to start accepting clients there is right after we've
established the ReadDirectoryChanges watch.
This makes the hangs go away in our macOS CI environment, even when
compiled with the sleep() above.
Helped-by: Koji Nakamaru <koji.nakamaru@gree.net>
Signed-off-by: Jeff King <peff@peff.net>
Acked-by: Koji Nakamaru <koji.nakamaru@gree.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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To start an async ipc server, you call ipc_server_run_async(). That
initializes the ipc_server_data object, and starts all of the threads
running, which may immediately start serving clients.
This can create some awkward timing problems, though. In the fsmonitor
daemon (the sole user of the simple-ipc system), we want to create the
ipc server early in the process, which means we may start serving
clients before the rest of the daemon is fully initialized.
To solve this, let's break run_async() into two parts: an initialization
which allocates all data and spawns the threads (without letting them
run), and a start function which actually lets them begin work. Since we
have two simple-ipc implementations, we have to handle this twice:
- in ipc-unix-socket.c, we have a central listener thread which hands
connections off to worker threads using a work_available mutex. We
can hold that mutex after init, and release it when we're ready to
start.
We do need an extra "started" flag so that we know whether the main
thread is holding the mutex or not (e.g., if we prematurely stop the
server, we want to make sure all of the worker threads are released
to hear about the shutdown).
- in ipc-win32.c, we don't have a central mutex. So we'll introduce a
new startup_barrier mutex, which we'll similarly hold until we're
ready to let the threads proceed.
We again need a "started" flag here to make sure that we release the
barrier mutex when shutting down, so that the sub-threads can
proceed to the finish.
I've renamed the run_async() function to init_async() to make sure we
catch all callers, since they'll now need to call the matching
start_async().
We could leave run_async() as a wrapper that does both, but there's not
much point. There are only two callers, one of which is fsmonitor, which
will want to actually do work between the two calls. And the other is
just a test-tool wrapper.
For now I've added the start_async() calls in fsmonitor where they would
otherwise have happened, so there should be no behavior change with this
patch.
Signed-off-by: Jeff King <peff@peff.net>
Acked-by: Koji Nakamaru <koji.nakamaru@gree.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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These links should point to `.html` files, not to `.txt` ones.
Compare also to 4945f046c7f (api docs: link to html version of
api-trace2, 2022-09-16).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Same as the preceding commit, we unconditionally dereference the index's
cache entries depending on the number of cache-tree entries, which can
lead to a segfault when the cache-tree is corrupted. Fix this bug.
This also makes t4058 pass with the leak sanitizer enabled.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In t4058 we have some tests that exercise git-read-tree(1) when used
with a tree that contains duplicate entries. While the expectation is
that we fail, we ideally should fail gracefully without a segfault.
But that is not the case: we never check that the number of entries in
the cache-tree is less than or equal to the number of entries in the
index. This can lead to an out-of-bounds read as we unconditionally
access `istate->cache[idx]`, where `idx` is controlled by the number of
cache-tree entries and the current position therein. The result is a
segfault.
Fix this segfault by adding a sanity check for the number of index
entries before dereferencing them.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The function `cache_tree_verify()` will `BUG()` whenever it finds that
the cache-tree extension of the index is corrupt. The function is thus
inherently untestable because the resulting call to `abort()` will be
detected by our testing framework and labelled an error. And rightfully
so: it shouldn't ever be possible to hit bugs, as they should indicate a
programming error rather than corruption of on-disk state.
Refactor the function to instead return error codes. This also ensures
that the function can be used e.g. by git-fsck(1) without the whole
process dying. Furthermore, this refactoring plugs some memory leaks
when returning early by creating a common exit path.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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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l10n-2.47.0-rnd2
* tag 'l10n-2.47.0-rnd2' of https://github.com/git-l10n/git-po:
l10n: Update German translation
l10n: bg.po: Updated Bulgarian translation (5772t)
l10n: vi: Updated translation for 2.47
l10n: zh_TW: Git 2.47
l10n: new lead for Catalan translation
l10n: Update Catalan translation
l10n: fr.po: 2.47.0
l10n: zh_CN: updated translation for 2.47
l10n: po-id for 2.47
l10n: tr: Update Turkish translations for 2.47.0
l10n: sv.po: Update Swedish translation
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* 'l10n-de-2.47' of github.com:ralfth/git:
l10n: Update German translation
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* 'master' of github.com:alshopov/git-po:
l10n: bg.po: Updated Bulgarian translation (5772t)
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* 'catalan-247' of github.com:Softcatala/git-po:
l10n: Update Catalan translation
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* 'new-catalan-maintainer' of github.com:Softcatala/git-po:
l10n: new lead for Catalan translation
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