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In `archive-zip.c:write_zip_entry()` when using a stream as input for
deflating a file, the call to `git_deflate()` with Z_FINISH always
expects Z_STREAM_END to be returned. Per zlib documentation[1]:
If the parameter flush is set to Z_FINISH, pending input is
processed, pending output is flushed and deflate returns with
Z_STREAM_END if there was enough output space. If deflate
returns with Z_OK or Z_BUF_ERROR, this function must be called
again with Z_FINISH and more output space (updated avail_out)
but no more input data, until it returns with Z_STREAM_END or an
error. After deflate has returned Z_STREAM_END, the only
possible operations on the stream are deflateReset or
deflateEnd.
In scenarios where the output buffer is not large enough to write all
the compressed data, it is perfectly valid for the underlying
`deflate()` to return Z_OK. Thus, expecting a single pass of `deflate()`
here to always return Z_STREAM_END is a bug. Update the code to flush
the deflate stream until Z_STREAM_END is returned.
[1]: https://zlib.net/manual.html
Helped-by: Toon Claes <toon@iotcl.com>
Signed-off-by: Justin Tobler <jltobler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* 'master' of https://github.com/j6t/git-gui: (21 commits)
git-gui: ensure own version of git-gui--askpass is used
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: honor TCLTK_PATH in git-gui--askpass
git-gui: retire Git Gui.app
git-gui: fix dependency of GITGUI_MAIN on generator
git-gui: remove uname_O in Makefile
git-gui i18n: Remove the locations within the Bulgarian translation
git-gui i18n: Update Bulgarian translation (557t)
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
git-gui: use /cmd/git-gui.exe for shortcut
git-gui: Windows tk_getSaveFile is not useful for shortcuts
git-gui: let nice work on Windows
git-gui: do not add directories to PATH on Windows
...
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* 'master' of https://github.com/j6t/gitk:
gitk: Mention globs in description of preference to hide custom refs
gitk: filter invisible upstream refs from reference list
gitk: avoid duplicated upstream refs
gitk i18n: Remove the locations within the Bulgarian translation
gitk i18n: Update Bulgarian translation (322t)
gitk: allow Tcl/Tk 9.0+
gitk: use -profile tcl8 on encoding conversions
gitk: use -profile tcl8 for file input with Tcl 9
gitk: Tcl9 doesn't expand ~, use $env(HOME)
gitk: switch to -translation binary
gitk: update scrolling for TclTk 8.7+ / TIP 474
gitk: restore ui colors after cancelling config dialog
gitk: set config dialog color swatches in one place
gitk: Add user preference to hide specific references
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* cb/no-tcl86-on-macos:
git-gui: ensure own version of git-gui--askpass is used
git-gui: honor TCLTK_PATH in git-gui--askpass
git-gui: retire Git Gui.app
git-gui: fix dependency of GITGUI_MAIN on generator
git-gui: remove uname_O in Makefile
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When finding a location for the askpass helper, git will be asked
for its exec path, but if that git is not the same that called
git-gui then we might mistakenly point to its helper instead.
Assume that git-gui and the helper are colocated to derive its
path instead.
This is specially useful in macOS where a broken version of that
helper is provided by the system git.
[j6t: move directory to variable to help in-flight topics]
Suggested-by: Mark Levedahl <mlevedahl@gmail.com>
Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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* 'docglobs' of github.com:ilyagr/gitk:
gitk: Mention globs in description of preference to hide custom refs
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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Comment fix.
* jc/test-hashmap-is-still-here:
test-hashmap: document why it is no longer used but still there
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Doc update.
* kh/doc-fast-import-historical:
doc: fast-import: contextualize the hardware cost
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Build fix.
* ms/meson-with-ancient-git-wo-ls-files-dedup:
meson: tolerate errors from git ls-files --deduplicate
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Doc update.
* jc/doc-release-vs-clear:
CodingGuidelines: clarify that S_release() does not reinitialize
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Test fix.
* ch/t7450-recursive-clone-test-fix:
t7450: inspect the correct path a broken code would write to
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Interactive prompt code did not correctly strip CRLF from the end
of line on Windows.
* js/prompt-crlf-fix:
interactive: do strip trailing CRLF from input
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Build fix.
* ps/meson-clar-decls-fix:
meson: ensure correct "clar-decls.h" header is used
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Windows fixes.
* js/mingw-fixes:
mingw: support Windows Server 2016 again
mingw_rename: support ReFS on Windows 2022
mingw: drop Windows 7-specific work-around
mingw_open_existing: handle directories better
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"git add/etc -p" now honor the diff.context configuration variable,
and also they learn to honor the -U<n> command-line option.
* lm/add-p-context:
add-patch: add diff.context command line overrides
add-patch: respect diff.context configuration
t: use test_config in t4055
t: use test_grep in t3701 and t4055
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The config API had a set of convenience wrapper functions that
implicitly use the_repository instance; they have been removed and
inlined at the calling sites.
* ps/config-wo-the-repository: (21 commits)
config: fix sign comparison warnings
config: move Git config parsing into "environment.c"
config: remove unused `the_repository` wrappers
config: drop `git_config_set_multivar()` wrapper
config: drop `git_config_get_multivar_gently()` wrapper
config: drop `git_config_set_multivar_in_file_gently()` wrapper
config: drop `git_config_set_in_file_gently()` wrapper
config: drop `git_config_set()` wrapper
config: drop `git_config_set_gently()` wrapper
config: drop `git_config_set_in_file()` wrapper
config: drop `git_config_get_bool()` wrapper
config: drop `git_config_get_ulong()` wrapper
config: drop `git_config_get_int()` wrapper
config: drop `git_config_get_string()` wrapper
config: drop `git_config_get_string()` wrapper
config: drop `git_config_get_string_multi()` wrapper
config: drop `git_config_get_value()` wrapper
config: drop `git_config_get_value()` wrapper
config: drop `git_config_get()` wrapper
config: drop `git_config_clear()` wrapper
...
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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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* '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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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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Remove unsupported, unused, and unsupportable old option from "git
log".
* jk/revision-no-early-output:
revision: drop early output option
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Move structure definition from unrelated header file to where it
belongs.
* jc/rev-list-info-cleanup:
rev-list: make "struct rev_list_info" static to the only user
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When using the Meson build system with versions of Git before 2.31,
that does not yet know the `git ls-files --deduplicate` option, one
can observe the following error:
../meson.build:697:19: ERROR: Command `/usr/bin/git -C /home/martin/code/git ls-files --deduplicate '*.h' ':!contrib' ':!compat/inet_ntop.c' ':!compat/inet_pton.c' ':!compat/nedmalloc' ':!compat/obstack.*' ':!compat/poll' ':!compat/regex' ':!sha1collisiondetection' ':!sha1dc' ':!t/unit-tests/clar' ':!t/t[0-9][0-9][0-9][0-9]*' ':!xdiff'` failed with status 129.
The failing command is used to find all header files in our code
base, which is required for static analysis.
Static analysis is an entirely optional feature that distributors
typically don't care about, and we already know to skip running the
command when we are not in a Git repository. But we do not handle
the above failure gracefully, even though we could.
Fix this by passing `check: false` to `run_command`, which makes it
tolerate failures. Then check `returncode()` manually to decide
whether to inspect the output.
Signed-off-by: Martin Storsjö <martin@martin.st>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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6e411d20440 (Initial draft of fast-import documentation., 2007-02-05)
pointed out how much time a fast-import took on some hardware with a
specific cost. Let’s further point out that this experiment was done
in 2007. So modern hardware should have no issues with such a repo.
Also move the parenthetical to the end now that it contains four words.
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In the section for naming various API functions, the fact that
S_release() only releases the resources without preparing the
structure for immediate reuse becomes only apparent when you
readentries for S_release() and S_clear().
Clarify the description of S_release() a bit to make the entry self
sufficient.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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