| Age | Commit message (Collapse) | Author | Files | Lines |
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Code clean-up.
* kn/for-each-ref-skip-updates:
ref-filter: use REF_ITERATOR_SEEK_SET_PREFIX instead of '1'
t6302: add test combining '--start-after' with '--exclude'
for-each-ref: reword the documentation for '--start-after'
for-each-ref: fix documentation argument ordering
ref-cache: use 'size_t' instead of int for length
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"git switch" and "git restore" are declared to be no longer
experimental.
* jt/switch-restore-no-longer-experimental:
builtin: unmark git-switch and git-restore as experimental
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A new test to ensure that a recent change will keep working.
* jb/t7510-gpg-program-path:
t7510: use $PWD instead of $(pwd) inside PATH
t7510: add test cases for non-absolute gpg program
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Test clean-up.
* cc/t9350-cleanup:
t9350: redirect input to only fast-import
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Code simplification.
* hy/blame-simplify-get-commit-info:
blame: remove parameter detailed in get_commit_info()
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When building with clang-22 and DEVELOPER=1 mode, this warning causes us
to fail compilation:
builtin/revert.c:114:13: error: default initialization of an object of type 'const char' leaves the object uninitialized [-Werror,-Wdefault-const-init-var-unsafe]
114 | const char sentinel_value;
| ^
The compiler is right that this code is a bit funny. We declare a const
value without an initializer. It cannot be assigned to because of the
const, but without an initializer it has no predictable value. So as a
variable it can never have any useful function, and if we tried to look
at it, we'd get undefined behavior.
But it does have a function. We never use its value, but rather use its
address as a sentinel value for some other variables:
const char *gpg_sign = &sentinel_value;
...maybe set gpg_sign via parse_options...
if (gpg_sign != &sentinel_value)
...we got a non-default value...
Normally we'd use NULL as a sentinel value for a pointer, but it doesn't
work here because we also want to detect --no-gpg-sign, which is marked
by setting the pointer to NULL. We need a separate "this was not
touched" value, which is what this sentinel variable gives us.
So the code is correct as-is, but the sentinel variable itself is funny
enough that it's understandable for a compiler warning to flag it. Let's
try to appease the compiler.
There are a few possible options:
1. Instead of a variable, we could just construct an artificial
sentinel address like "1", "-1", etc. I think these technically
fall afoul of the C standard (even if we do not access them, even
constructing invalid pointers is not always allowed). But it's also
something we do elsewhere, and even happens in some standard
interfaces (e.g., mmap()'s MMAP_FAILED value). It does involve some
annoying casts, though.
2. We can mark it as static. That gives it a definite value, but
perhaps makes people wonder if the static-ness is important, when
it's not.
3. We can just give it a value to shut the compiler up, even though
nobody cares about that value.
I went with (3) here as the smallest and most obvious change.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This clarifies that one has to enter e.g. `jj/keep/*` and not just
`jj/keep`.
Follows up on 2441e19.
Signed-off-by: Ilya Grigoriev <ilyagr@users.noreply.github.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A few file descriptors left unclosed upon program completion in a
few test helper programs are now closed.
* hl/test-helper-fd-close:
test-delta: close output descriptor after use
test-delta: use strbufs to hold input files
test-delta: handle errors with die()
t/helper/test-truncate: close file descriptor after truncation
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"git rebase -i" with bogus rebase.instructionFormat configuration
failed to produce the todo file after recording the state files,
leading to confused "git status"; this has been corrected.
* ow/rebase-verify-insn-fmt-before-initializing-state:
rebase: write script before initializing state
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Redefine where the multi-pack-index sits in the object subsystem,
which recently was restructured to allow multiple backends that
support a single object source that belongs to one repository. A
midx does span mulitple "object sources".
* ps/object-store-midx:
midx: remove now-unused linked list of multi-pack indices
packfile: stop using linked MIDX list in `get_all_packs()`
packfile: stop using linked MIDX list in `find_pack_entry()`
packfile: refactor `get_multi_pack_index()` to work on sources
midx: stop using linked list when closing MIDX
packfile: refactor `prepare_packed_git_one()` to work on sources
midx: start tracking per object database source
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"git for-each-ref" learns "--start-after" option to help
applications that want to page its output.
* kn/for-each-ref-skip:
ref-cache: set prefix_state when seeking
for-each-ref: introduce a '--start-after' option
ref-filter: remove unnecessary else clause
refs: selectively set prefix in the seek functions
ref-cache: remove unused function 'find_ref_entry()'
refs: expose `ref_iterator` via 'refs.h'
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It was reported to the Git for Windows project that a simple `git init`
fails on Windows Server 2016:
D:\Dev\test> git init
error: could not write config file D:/Dev/test/.git/config: Function not implemented
fatal: could not set 'core.repositoryformatversion' to '0'
According to https://endoflife.date/windows-server, Windows Server 2016
is officially supported for another one-and-a-half years as of time of
writing, so this is not good.
The culprit is the `mingw_rename()` changes that try to use POSIX
semantics when available, but fail to fall back properly on Windows
Server 2016.
This fixes https://github.com/git-for-windows/git/issues/5695.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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ReFS is an alternative filesystem to NTFS. On Windows 2022, it seems not
to support the rename operation using POSIX semantics that Git uses on
Windows as of 391bceae4350 (compat/mingw: support POSIX semantics for
atomic renames, 2024-10-27).
However, Windows 2022 reports `ERROR_NOT_SUPPORTED` in this instance.
This is in contrast to `ERROR_INVALID_PARAMETER` (as previous Windows
versions would report that do not support POSIX semantics in renames at
all).
Let's handle both errors the same: by falling back to the best-effort
option, namely to rename without POSIX semantics.
This fixes https://github.com/git-for-windows/git/issues/5427
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In ac33519ddfa8 (mingw: restrict file handle inheritance only on Windows
7 and later, 2019-11-22), I introduced code to safe-guard the
defense-in-depth handling that restricts handles' inheritance so that it
would work with Windows 7, too.
Let's revert this patch: Git for Windows dropped supporting Windows 7 (and
Windows 8) directly after Git for Windows v2.46.2. For full details, see
https://gitforwindows.org/requirements#windows-version.
Actually, on second thought: revert only the part that makes this handle
inheritance restriction logic optional and that suggests to open a bug
report if it fails, but keep the fall-back to try again without said
logic: There have been a few false positives over the past few years
(where the warning was triggered e.g. because Defender was still
accessing a file that Git wanted to overwrite), and the fall-back logic
seems to have helped occasionally in such situations.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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CreateFileW() requires FILE_FLAG_BACKUP_SEMANTICS to create a directory
handle [1] and errors out with ERROR_ACCESS_DENIED without this flag.
Fall back to accessing Directory handles this way.
[1] https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-createfilew#directories
This fixes https://github.com/git-for-windows/git/issues/5068
Signed-off-by: Matthias Aßhauer <mha1993@live.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Optimize the sequence get+put to peek+replace to avoid one unnecessary
heap rebalance.
Do that by tracking partial get operations in a prio_queue wrapper,
struct lazy_queue, and using wrapper functions that turn get into peek
and put into replace as needed. This is simpler than tracking the
state explicitly in the calling code.
We get a nice speedup on top of the previous patch's conversion to
prio_queue:
Benchmark 1: ./git_2.50.1 describe $(git rev-list v2.41.0..v2.47.0)
Time (mean ± σ): 1.559 s ± 0.002 s [User: 1.493 s, System: 0.051 s]
Range (min … max): 1.556 s … 1.563 s 10 runs
Benchmark 2: ./git_describe_pq describe $(git rev-list v2.41.0..v2.47.0)
Time (mean ± σ): 1.204 s ± 0.001 s [User: 1.138 s, System: 0.051 s]
Range (min … max): 1.202 s … 1.205 s 10 runs
Benchmark 3: ./git describe $(git rev-list v2.41.0..v2.47.0)
Time (mean ± σ): 850.9 ms ± 1.6 ms [User: 786.6 ms, System: 49.8 ms]
Range (min … max): 849.1 ms … 854.1 ms 10 runs
Summary
./git describe $(git rev-list v2.41.0..v2.47.0) ran
1.41 ± 0.00 times faster than ./git_describe_pq describe $(git rev-list v2.41.0..v2.47.0)
1.83 ± 0.00 times faster than ./git_2.50.1 describe $(git rev-list v2.41.0..v2.47.0)
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Replace the use a list-based priority queue whose order is maintained by
commit_list_insert_by_date() with a prio_queue. This avoids quadratic
worst-case complexity. And in the somewhat contrived example of
describing the 4751 commits from v2.41.0 to v2.47.0 in one go (to get a
sizable chunk of describe work with minimal ref loading overhead) it's
significantly faster:
Benchmark 1: ./git_2.50.1 describe $(git rev-list v2.41.0..v2.47.0)
Time (mean ± σ): 1.558 s ± 0.002 s [User: 1.492 s, System: 0.051 s]
Range (min … max): 1.557 s … 1.562 s 10 runs
Benchmark 2: ./git describe $(git rev-list v2.41.0..v2.47.0)
Time (mean ± σ): 1.209 s ± 0.006 s [User: 1.143 s, System: 0.051 s]
Range (min … max): 1.201 s … 1.219 s 10 runs
Summary
./git describe $(git rev-list v2.41.0..v2.47.0) ran
1.29 ± 0.01 times faster than ./git_2.50.1 describe $(git rev-list v2.41.0..v2.47.0)
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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tr2_cfg_load_patterns() and tr2_load_env_vars() functions are
functions with very similar structure that each reads an environment
variable, splits its value at the ',' boundaries, and trims the
resulting string pieces into an array of strbufs.
But the code paths that later use these strbufs take no advantage of
the strbuf-ness of the result (they do not benefit from <ptr,len>
representation to avoid having to run strlen(<ptr>), for example).
Simplify the code by teaching these functions to split into a string
list instead; even the trimming comes for free ;-).
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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strbuf_trim_trailing_newline() removes a LF or a CRLF from the tail
of a string. If the code plans to call strbuf_trim() immediately
after doing so, the code is better off skipping the EOL trimming in
the first place. After all, LF/CRLF at the end is a mere special
case of whitespaces at the end of the string, which will be removed
by strbuf_rtrim() anyway.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The code to read status from subprocess reads one packet line and
tries to find "status=<foo>". It is way overkill to split the line
into an array of two strbufs to extract <foo>.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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environment.c:get_git_namespace() learns the raw namespace from an
environment variable, splits it at "/", and appends them after
"refs/namespaces/"; the reason why it splits first is so that an
empty string resulting from double slashes can be omitted.
The split pieces do not need to be edited in any way, so an array of
strbufs is a wrong data structure to use. Instead split into a
string list and use the pieces from there.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When parsing an old-style GIT_CONFIG_PARAMETERS environment
variable, the code parses key=value pairs by splitting them at '='
into an array of strbuf's. As strbuf_split() leaves the delimiter
at the end of the split piece, the code has to manually trim it.
If we split with string_list_split(), that becomes unnecessary.
Retire the use of strbuf_split() from this code path.
Note that the max parameter of string_list_split() is of
an ergonomically iffy design---it specifies the maximum number of
times the function is allowed to split, which means that in order to
split a text into up to 2 pieces, you have to pass 1, not 2.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When reading copy instructions from the standard input, the program
reads a line, splits it into tokens at whitespace, and trims each of
the tokens before using. We no longer need to use strbuf just to be
able to trim, as string_list_split*() family now can trim while
splitting a string.
Retire the use of strbuf_split() from this code path.
Note that this loop is a bit sloppy in that it ensures at least
there are two tokens on each line, but ignores if there are extra
tokens on the line. Tightening it is outside the scope of this
series.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When reading merge instructions from the standard input, the program
reads from the standard input, splits the line into tokens at
whitespace, and trims each of them before using. We no longer need
to use strbuf just for trimming, as string_list_split*() family can
trim while splitting a string.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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builtin/clean.c:filter_by_patterns_cmd() interactively reads a line
that has exclude patterns from the user and splits the line into a
list of patterns. It uses the strbuf_split() so that each split
piece can then trimmed.
There is no need to use strbuf anymore, thanks to the recent
enhancement to string_list_split*() family that allows us to trim
the pieces split into a string_list.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The callee parse_choice() only needs to access a NUL-terminated
string; instead of insisting to take a pointer to a strbuf, just
take a pointer to a character array.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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builtin/clean.c:parse_choice() is fed a single line of input, which
is space or comma separated list of tokens, and a list of menu
items. It parses the tokens into number ranges (e.g. 1-3 that means
the first three items) or string prefix (e.g. 's' to choose the menu
item "(s)elect") that specify the elements in the menu item list,
and tells the caller which ones are chosen.
For parsing the input string, it uses strbuf_split() to split it
into bunch of strbufs. Instead use string_list_split_in_place(),
for a few reasons.
* strbuf_split() is a bad API function to use, that yields an array
of strbuf that is a bad data structure to use in general.
* string_list_split_in_place() allows you to split with "comma or
space"; the current code has to preprocess the input string to
replace comma with space because strbuf_split() does not allow
this.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When you pass a structure by value, the callee can modify the
contents of the structure that was passed in without having to worry
about changing the structure the caller has. Passing structure by
value sometimes (but not very often) can be a valid way to give
callee a temporary variable it can freely modify.
But not a structure with members that are pointers, like a strbuf.
builtin/clean.c:list_and_choose() reads a line interactively from
the user, and passes the line (in a strbuf) to parse_choice() by
value, which then munges by replacing ',' with ' ' (to accept both
comma and space separated list of choices). But because the strbuf
passed by value still shares the underlying character array buf[],
this ends up munging the caller's strbuf contents.
This is a catastrophe waiting to happen. If the callee causes the
strbuf to be reallocated, the buf[] the caller has will become
dangling, and when the caller does strbuf_release(), it would result
in double-free.
Stop calling the function with misleading call-by-value with strbuf.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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strbuf is a very good data structure to work with string data
without having to worry about running past the end of the string,
but strbuf_split() is a wrong API and an array of strbuf that the
function produces is a wrong thing to use in general. You do not
edit these N strings split out of a single strbuf simultaneously.
Often it is much better off to split a string into string_list and
work with the resulting strings.
wt-status.c:abbrev_oid_in_line() takes one line of rebase todo list
(like "pick e813a0200a7121b97fec535f0d0b460b0a33356c title"), and
for instructions that has an object name as the second token on the
line, replace the object name with its unique abbreviation. After
splitting these tokens out of a single line, no simultaneous edit on
any of these pieces of string that takes advantage of strbuf API
takes place. The final string is composed with strbuf API, but
these split pieces are merely used as pieces of strings and there is
no need for them to be stored in individual strbuf.
Instead, split the line into a string_list, and compose the final
string using these pieces.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jc/string-list-split:
string-list: split-then-remove-empty can be done while splitting
string-list: optionally omit empty string pieces in string_list_split*()
diff: simplify parsing of diff.colormovedws
string-list: optionally trim string pieces split by string_list_split*()
string-list: unify string_list_split* functions
string-list: align string_list_split() with its _in_place() counterpart
string-list: report programming error with BUG
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Thanks to the new STRING_LIST_SPLIT_NONEMPTY flag, a common pattern
to split a string into a string list and then remove empty items in
the resulting list is no longer needed. Instead, just tell the
string_list_split*() to omit empty ones while splitting.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach the unified split_string() machinery a new flag bit,
STRING_LIST_SPLIT_NONEMPTY, to cause empty split pieces to be
omitted from the resulting string list.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The code to parse this configuration variable, whose value is a
comma-separated list of known tokens like "ignore-space-change" and
"ignore-all-space", uses string_list_split() to split the value into
pieces, and then places each piece of string in a strbuf to trim,
before comparing the result with the list of known tokens.
Thanks to the previous steps, now string_list_split() can trim the
resulting pieces before it places them in the string list. Use it
to simplify the code.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach the unified split_string() to take an optional "flags" word,
and define the first flag STRING_LIST_SPLIT_TRIM to cause the split
pieces to be trimmed before they are placed in the string list.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Thanks to the previous step, the only difference between these two
related functions is that string_list_split() works on a string
without modifying its contents (i.e. taking "const char *") and the
resulting pieces of strings are their own copies in a string list,
while string_list_split_in_place() works on a mutable string and the
resulting pieces of strings come from the original string.
Consolidate their implementations into a single helper function, and
make them a thin wrapper around it. We can later add an extra flags
parameter to extend both of these functions by updating only the
internal helper function.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The string_list_split_in_place() function was updated by 52acddf3
(string-list: multi-delimiter `string_list_split_in_place()`,
2023-04-24) to take more than one delimiter characters, hoping that
we can later use it to replace our uses of strtok(). We however did
not make a matching change to the string_list_split() function,
which is very similar.
Before giving both functions more features in future commits, allow
string_list_split() to also take more than one delimiter characters
to make them closer to each other.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* 'strip-post-hooks' of github.com:orgads/git-gui:
git-gui: strip the commit message after running commit-msg hook
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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* ml/tcl90:
git-gui: Allow Tcl 9.0
git-gui: use -profile tcl8 on encoding conversions
git-gui: use -profile tcl8 for file input with Tcl 9
git-gui: themed.tcl: use full namespace for color
git-gui: remove EOL translation for gets
git-gui: do not mix -translation binary and -encoding
git-gui: replace encoding binary with iso8859-1
git-gui: translation binary defines iso8859-1
git-gui: assure -eofchar {} on all channels
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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* 'master' of https://github.com/alshopov/git-gui:
git-gui i18n: Remove the locations within the Bulgarian translation
git-gui i18n: Update Bulgarian translation (557t)
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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Passing a string list that has .strdup_strings bit unset to
string_list_split(), or one that has .strdup_strings bit set to
string_list_split_in_place(), is a programmer error. Do not use
die() to abort the execution. Use BUG() instead.
As a developer-facing message, the message string itself should
be a lot more concise, but let's keep the original one for now.
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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The reftable unit tests are now ported to the "clar" unit testing
framework.
* sk/reftable-clarify-tests:
t/unit-tests: finalize migration of reftable-related tests
t/unit-tests: convert reftable stack test to use clar
t/unit-tests: convert reftable record test to use clar
t/unit-tests: convert reftable readwrite test to use clar
t/unit-tests: convert reftable table test to use clar
t/unit-tests: convert reftable pq test to use clar
t/unit-tests: convert reftable merged test to use clar
t/unit-tests: convert reftable block test to use clar
t/unit-tests: convert reftable basics test to use clar test framework
t/unit-tests: implement clar specific reftable test helper functions
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"git pull" learned to pay attention to pull.autostash configuration
variable, which overrides rebase/merge.autostash.
* ly/pull-autostash:
pull: add pull.autoStash config option
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To help our developers, document what C99 language features are
being considered for adoption, in addition to what past experiments
have already decided.
* jc/document-test-balloons-in-flight:
CodingGuidelines: document test balloons in flight
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Document recently added "git imap-send --list" with an example.
* ag/imap-send-list-folders-doc:
docs: explain how to use `git imap-send --list` command to get a list of available folders
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Build fix for macOS.
* cb/meson-avoid-broken-macos-pcre2:
meson: work around broken system PCRE2 dependency in macOS
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CI fix.
* jc/ci-print-test-failures-fix:
ci: allow github-actions print test failures again
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Leakfix.
* jk/unleak-reflog-expire-entry:
reflog: close leak of reflog expire entry
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Update a hard-to-read in-code NEEDSWORK comment.
* jc/do-not-scan-argv-without-parsing:
rev-list: update a NEEDSWORK comment
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