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git-gui has code paths to support older non-ttk widgets, but this code
is no longer reachable as ttk is always used. Remove that code.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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Since the upstream refs of local refs may be of more significance in the
context of the local refs, they are sorted after local refs and before the
remainder of the remote refs.
Signed-off-by: Michael Rappazzo <michael.rappazzo@infor.com>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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On the 'tags and heads' view, add an option to enable or disable
'Sort refs by type'. This option is read from and written to the
config file. Clicking on the option will update the refs in the
view.
Signed-off-by: Michael Rappazzo <michael.rappazzo@infor.com>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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In the 'tags and heads' view, the list of refs was globally sorted,
which caused the local ref list to be split around other ref list types.
This change re-orders the view to be: local refs, remote refs, tags,
and then other refs.
Signed-off-by: Michael Rappazzo <rappazzo@gmail.com>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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git-gui invokes the tk_getSaveFile dialog to determine the full
path-name of the shortcut file to create. But, on Windows, this dialog
always dereferences a shortcut (.lnk) file, as this is essentially a
soft-link to its target. If the shortcut file already exists, the dialog
returns the path-name of the target (i.e., GIT/cmd/git-gui.exe), and not
the desired shortcut file selected by the user.
There is no Windows file chooser available in Tcl/Tk that does not
dereference .lnk files, so this patch avoids using a dialog: the
shortcut to be created is on the desktop and named as "Git + Repository
Name". If this .lnk file already exists, the user must give permission
to overwrite it or the process terminates.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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git-gui runs blame and diff commands with nice by default. On Unix, nice
is accepted if found and it will run git. Commit ff9db6c79d ("On
Windows, avoid git-gui to call Cygwin's nice utility", 2010-10-05)
rejects nice if not collocated with git. In Git for Windows' (g4w) POSIX
path name space, nice and git are found in different directories:
$ which git
/mingw64/bin/git
$ which nice
/usr/bin/nice
Thus, git-gui will not use nice in the supported Windows configuration.
Commit ff9db6c79d justifies the collocation requirement as avoiding
problems in a mixed MSYS and Cygwin configuration: such configurations
are not supported by either project as they are known to cause many
problems.
So, let's revert ff9db6c79d and let git-gui work correctly in the
supported configuration.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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git-gui on Windows prepends three directories to PATH so does not honor
PATH as configured. This can have undesirable consequences, for instance
by preventing use of a different git for testing. This also provides at
best a subset of the configuration included with Git for Windows (g4w),
so is neither necessary nor sufficient there.
Since commit be700fe3, git-gui.sh adds its directory to the front of
PATH: this is essentially adding $(git --execdir) to the path, this is
long deprecated as git moved to using "dashless" subcommands.
The windows/git-gui.sh wrapper file, since commit 99fe594d, adds two
directories relative to its installed location to PATH, and does so
without checking that either exists or is needed.
The above modifications were made before the Git For Windows project
took responsibility for distributing a working solution on Windows. g4w
assures a correct configuration on Windows without these, and doing so
requires more than the above modifications. See [1] for a more thorough
treatment.
git-gui does not modify PATH on any platform except on Windows, and
doing so is not needed by g4w. Let's stop modifying PATH on Windows as
well.
[1] https://gitforwindows.org/git-wrapper.html
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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git-gui uses ${NS} to switch between non-themed and themed widgets, with
${NS} == 'ttk' selecting the latter. As git-gui now always uses ttk,
this indirection is not needed. Remove it.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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git-gui optionally uses themed ui elements from ttk, but the full set of
ttk ui elements is always available with Tk 8.6. Keeping code making
ttk use optional increases maintenance burden for no benefit. Let's use
ttk always, allowing removal of alternate code paths in subsequent
patches.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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Since commit c80d7be5e1e0d, git-gui checks for the availability of ttk
before enabling its use, but this check is redundant as Tk >= 8.6 is
required. Remove the redundant check.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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git-gui has remnant code to allow some drawing with Tk 8.4 predating the
addition of themed widgets. As git-gui requires Tk >= 8.6, this code can
never trigger. Remove it.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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git-version supports choosing different bodies of code passed into it,
rather than using the more traditional if/else construct typically used.
The only use of git-version in this mode was by its author in 2007, and
that code has been deleted. So, delete this now unused function that
was mostly ignored.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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When creating a new repository, git-gui creates a directory, cds to it,
then runs git-init, but git-init learned to create and initialize the
directory in 1.6.5. git-gui requires git version >= 2.36, so teach
git-gui to use git-init's full capability.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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git-gui checks for git version >= 1.6.6 before enabling the remotes
menu. But git-gui requires git v2.36 or later, so git-remote is always
available. Delete this check and always enable the menu.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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git-gui's merge driver includes code to invoke the recursive strategy
for merging prior to git v2.5 that added a simpler syntax. As git-gui
requires git v2.36 or later, let's delete the code targeting earlier
git.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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git-gui's diff functions avoid using textconv filters on git < 1.6.1, or
asking about submodules on version before 1.7.2, but git-gui requires
git >= v2.36. So, remove this now obsolete code.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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git-gui uses alternate code paths for git versions < 1.7.2, avoiding use
of --ignore-all-space and textconv. git-gui requires git v2.36 or later,
so this alternate code is obsolete. Remove it.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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git-gui has its own code to determine the worktree root for git-versions
earlier than 1.7.0, where git rev-parse learned this function. git-gui
requires git v2.36 or later, so delete the now obsolete alternate code.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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git-gui relies upon the files back-end to determine the current branch.
This does not support the newer reftables backend. But, git-branch has
long supported --show-current to get this same information regardless of
backend cahnged. So teach git-gui to use git-branch --show-current.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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git-gui asks for submodule info only on git-versions >=1.72, which
introduced such capability. But, git-gui requires git version >= 2.36,
so this alternate code path is obsolete. Remove it.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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git-gui includes code to implement ls-files for git versions prior to
1.63 that did not know --exclude-standard. But, git-gui now requires git
version >= 2.36, so remove the obsolete code.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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macOS provides a PCRE2 library in base that is not usable and not
configured properly, as it installs a pkgconf module that
points to a non-existent pcre2.h header in /usr/local/include.
Detect that case and if the feature is enabled, try to fallback
to a wrapped subproject through an anonymous dependency, aborting
with an error if that is not possible.
Change the feature to "auto" and print a warning and disable it
if a broken dependency was detected, but to keep consistency
with the cmake build system used on Windows, add a special rule
to re-enable the pcre2 feature by default there.
Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Suggested-by: Eli Schwartz <eschwartz@gentoo.org>
Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git-gui requires that Tcl and Tk are 8.5, though the check using
'package require' allows 8.6. As git-gui runs under wish, both Tcl and
Tk are always available and of the same version, so only one need be
checked.
The 8.5 requirement is very outdated as the earliest Tcl currently
shipping on any supported OS is 8.6. 8.7 is in alpha test and is
generally compatible with 8.6, so should also be allowed. Tcl 9.0 has
planned compatibility breaking changes so cannot be allowed.
Let's update the requirements to be 8.6 or 8.7, and check only on Tcl as
Tk will be the same version.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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git-gui since commit d6967022 explicitly requires version >= 1.5.0, and
this coded requirement has never been changed. But, since 0730a5a3a
git-gui actually requires git 2.36, providing 'git hook run.' git-gui
throws an error if that command is not supported.
So, let's update the requirement checking code to 2.36, and throw a more
useful error if this is not met.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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* bc/use-sha256-by-default-in-3.0:
Enable SHA-256 by default in breaking changes mode
help: add a build option for default hash
t5300: choose the built-in hash outside of a repo
t4042: choose the built-in hash outside of a repo
t1007: choose the built-in hash outside of a repo
t: default to compile-time default hash if not set
setup: use the default algorithm to initialize repo format
Use legacy hash for legacy formats
builtin: use default hash when outside a repository
hash: add a constant for the legacy hash algorithm
hash: add a constant for the default hash algorithm
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This output was added in d93f1713b0 ("gitk: Use themed tk widgets",
2009-04-17), we can assume, by accident.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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Both `index_fd()` and `index_path()` still use `the_repository` even
though they have a repository available via `struct index_state`. Adapt
them so that they use the index' repository instead to get rid of this
global dependency.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The function `force_object_loose()` forces an object to become a loose
object in case it only exists in its packed form. To do so it implicitly
relies on `the_repository`.
Refactor the function by passing a `struct odb_source` as parameter.
While the check whether any such loose object exists already acts on the
whole object database, writing the loose object happens in one specific
source.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The function `read_loose_object()` takes a path to an object file and
tries to parse it. As such, the function does not depend on any specific
object database but instead acts as an ODB-independent way to read a
specific file. As such, all it needs as input is a repository so that we
can derive repo settings and the hash algorithm.
That repository isn't passed in as a parameter though, as we implicitly
depend on the global `the_repository`. Refactor the function so that we
pass in the repository as a parameter.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The iterators for loose objects still rely on `the_repository`. Refactor
them:
- `for_each_loose_file_in_objdir()` is refactored so that the caller
is now expected to pass an `odb_source` as parameter instead of the
path to that source. Furthermore, it is renamed accordingly to
`for_each_loose_file_in_source()`.
- `for_each_loose_object()` is refactored to take in an object
database now and calls the above function in a loop.
This allows us to get rid of the global dependency.
Adjust callers accordingly.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The function `for_each_file_in_obj_subdir()` is declared in our headers,
but it is not used anywhere else than in the corresponding code file
itself. Drop the declaration and mark the function as file-local.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The function `for_each_loose_file_in_objdir_buf()` is declared in our
headers, but it is not used anywhere else than in the corresponding code
file itself. Drop the declaration and inline the function into its only
caller.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The logic that writes loose objects still relies on `the_repository` to
decide where exactly the object shall be written to. Refactor it so that
the logic instead operates on a `struct odb_source` so that we can get
rid of this global dependency.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We do not have a backend-agnostic way to write objects into an object
database. While there is `write_object_file()`, this function is rather
specific to the loose object format.
Introduce `odb_write_object()` to plug this gap. For now, this function
is a simple wrapper around `write_object_file()` and doesn't even use
the passed-in object database yet. This will change in subsequent
commits, where `write_object_file()` is converted so that it works on
top of an `odb_source`. `odb_write_object()` will then become
responsible for deciding which source an object shall be written to.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a repository is configured to have a compatibility hash algorithm
we keep track of object ID mappings for loose objects via the loose
object map. This map simply maps an object ID of the actual hash to the
object ID of the compatibility hash. This loose object map is an
inherent property of the loose files backend and thus of one specific
object source.
Refactor the interfaces to reflect this by requiring a `struct
odb_source` as input instead of a repository. This prepares for
subsequent commits where we will refactor writing of loose objects to
work on a `struct odb_source`, as well.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We implicitly depend on `the_repository` when moving an object file into
place in `finalize_object_file()`. Get rid of this global dependency by
passing in a repository.
Note that one might be pressed to inject an object database instead of a
repository. But the function doesn't really care about the ODB at all.
All it does is to move a file into place while checking whether there is
any collision. As such, the functionality it provides is independent of
the object database and only needs the repository as parameter so that
it can adjust permissions of the file we are about to finalize.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While `loose_object_info()` already accepts a repository as parameter we
still have one callsite in there where we use `the_repository` to figure
out the hash algorithm. Use the passed-in repository instead.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We implicitly depend on `the_repository` when freshening either loose or
packed objects. Refactor these functions to instead accept an object
database as input so that we can get rid of the global dependency.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `check_and_freshen()` functions are only used by a single caller
now. Inline them into `freshen_loose_object()`.
While at it, rename `check_and_freshen_odb()` to `_source()` to reflect
that it works on a single object source instead of on the whole database.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We implicitly depend on `the_repository` in `has_loose_object()`.
Refactor the function to accept an `odb_source` as input that should be
checked for such a loose object.
This refactoring changes semantics of the function to not check the
whole object database for such a loose object anymore, but instead we
now only check that single source. Existing callers thus need to loop
through all sources manually now.
While this change may seem illogical at first, whether or not an object
exists in a specific format should be answered by the source using that
format. As such, we can eventually convert this into a generic function
`odb_source_has_object()` that simply checks whether a given object
exists in an object source. And as we will know about the format that
any given source uses it allows us to derive whether the object exists
in a given format.
This change also makes `has_loose_object_nonlocal()` obsolete. The only
caller of this function is adapted so that it skips the primary object
source.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are a couple of users of the `the_hash_algo` macro, which
implicitly depends on `the_repository`. Adapt these callers to not do so
anymore, either by deriving it from already-available context or by
using `the_repository->hash_algo`. The latter variant doesn't yet help
to remove the global dependency, but such users will be adapted in the
following commits to not use `the_repository` anymore.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are some trivial -Wsign-compare warnings in "object-file.c". Fix
them and drop the preprocessor define that disables those warnings.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Tcl/Tk 9.0 has been released, and has shipped in Fedora 42. Prior
patches in this sequence have addressed known incompatibilities, so gitk
is now operating with Tcl9. So, let's allow Tcl9.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk in the prior commit learned to apply -profile tcl8 to all input
data streams, avoiding errors on non-binary data streams whose encoding
is not utf-8. But, gitk also consumes binary data streams (generally blobs
from commits), and internally decodes this to support various displays.
With Tcl9, errors occur in this decoding for the same reasons described
in the previous commit: basically, the underlying data was not validated
to conform to the given encoding, and this source encoding may not be
utf-8. gitk performs this decoding using Tcl's '[encoding convert from'
operator.
For example, the 7th commit in gitk's history has the extended ascii
value 0xA9, so
gitk 9a40c50c1e
in gitk's repository raises an exception. The error log has:
unexpected byte sequence starting at index 11: '\xA9'
while executing
"encoding convertfrom $diffencoding $line"
(procedure "parseblobdiffline" line 135)
invoked from within
"parseblobdiffline $ids $line"
(procedure "getblobdiffline" line 16)
invoked from within
"getblobdiffline file6 9a40c50c1e05c0658b7a7c68b56d615eb6f170dd"
("eval" body line 1)
invoked from within
"eval $script"
(procedure "dorunq" line 11)
invoked from within
"dorunq"
("after" script)
This problem has a similar fix to the prior issue: we must use the tlc8
profile when converting this data. Do so, again only on Tcl9 as Tcl8.6
does not recognize -profile, and only Tcl 9.0 makes strict the default.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk invokes many git commands expecting output in utf-8 encoding, but
git accepts extended ascii (code page unknown) as utf-8 without
validating, so cannot guarantee valid utf-8 on output. In particular,
using any extended ascii code page, of which there are many, has long
been acceptable given that everyone on a project is aware of and uses
that same code page to view all data. utf-8 accepts only 7-bit ascii
characters in single bytes, and any characters outside of that base set
require at least two bytes.
Tcl is a string based language, and transcodes all input data to an
internal unicode format, and to whatever format is requested on output:
"pure" binary is recoded using iso8859-1. Tcl8.x silently recodes
invalid utf-8 as binary data, so extended ascii characters maintain
their binary value on output but may not display correctly.
Tcl 8.7 added three profiles to control this behaviour: strict (raises
exceptions), replace (replaces each invalid byte with ?), and the
default tcl8 maintaining the old behavior. Tcl 9 changes the default
profile to strict, meaning any invalid utf-8 raises an exception that
gitk does not handle.
An example of this in the git repository is commit 7eb93c8965 ("[PATCH]
Simplify git script", 2005-09-07). This includes extended ascii
characters in the author name and commit message. As a result, gitk +
Tcl 9 cannot view the git repository at any point beyond that commit.
Note: Tcl 9.0 has a bug, to be fixed in 9.1, where this particular
condition results in a memory error causing Tcl to crash [1].
The tcl8 profile used so far has acceptable behavior given gitk's
acceptance: this allows gitk to accept extended ascii though it may
display incorrectly. Let's continue that behavior by overriding open to
use the tcl8 profile on Tcl9 and later: Tcl 8.6 does not understand
fconfigure -profile, and Tcl 8.7 maintains the tcl8 profile.
[1] Per https://core.tcl-lang.org/tcl/tktview/73bb42fb3f35cd613af6fcea465e35bbfd352216
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk looks for configuration files under $(HOME)/.., and uses the
typical shortcut formats to find this, e.g., ~/.config/. This relies
upon Tcl expanding such constructs to replace ~ with $(HOME). But, Tcl 9
has stopped doing that for various reasons, and now supplies [file
tildeexpand ...] to perform this expansion.
There are a very few places that need this expansion, and all must be
modified regardless of approach taken.
POSIX specifies that $HOME be defined at the time of login, and both
Cygwin and MSYS (underlying git for windows) set this variable. Tcl8
uses the POSIX defined pwnam to look up the underlying database record
on Unix, but will get the same result as using $HOME on any POSIX
compliant system. On Windows, Tcl just accesses $HOME, falling back to
other environment variables if $HOME is not set. Git for Windows has
$HOME defined by MSYS, so this works just as on the others.
As $env(HOME) works in Tcl 8 and 9, while anything using [file
tildeexpand ... ] will not, let's use the simpler approach as doing so
adds no lines of code.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk uses '-encoding binary' in several places to handle non-text data.
Per TIP 699, this is not recommended as there has been too much
confusion and misconfiguration of binary channels, and this option is
removed in Tcl 9.
Tcl defines a binary channel as one that reproduces the input data
exactly. As Tcl stores all data internally in unicode format, a binary
channel requires 3 things:
- -encoding iso8859-1 : this causes each byte of input to be translated
to its unicode equivalent (may be multi-byte).
- -translation lf : this avoids any translation of line endings, which
by default are translated to \n on input.
- -eofchar {} : this avoids any use of an end of file character, which
is ctrl-z by default on Windows.
The recommended '-translation binary' makes all three settings, but this
is not done in gitk now. Rather, gitk uses '-encoding binary', which is
an alias to '-encoding iso8859-1' removed by TIP 699, in multiple places,
and -eofchar {} in one place but not all. All other files, configured in
non-binary fashion, have -eofchar {}.
Unix and Windows differ on line ending conventions, Tcl by default
converts line endings to \n on input, and to those common on the
platform on output. git emits only \n on Unix or Windows. Also, Tcl's
proc gets recognizes and removes \n, \r, or \r\n as line endings, and
this is used by gitk except in procs selectline and parsecommit. But,
those two procs recognize any combination of \n and \r as terminating a
line. So, there is no need to translate line endings on input, and using
-translation binary avoids any such translation.
Tcl sets eofchar to ctrl-z (ascii \0x1a) only on Windows, otherwise
eofchar is {}. This provides compatibility to old DOS based codes and
files originating when file systems recorded only sectors allocated, and
not bytes used. git does not use ctrl-z to terminate data anywhere. Only
two channels in gitk leave eofchar at the default value, both use
-encoding binary now. A third one was converted in commit 681c3290e3
("gitk: Handle blobs containing a DOS end-of-file marker", 2009-03-16),
fixing such a problem of early data termination. Using eofchar {} is
correct, even if not always necessary.
Tcl 9 forces change, using -translation binary per TIP 699 does what
gitk needs and is backwards compatible to Tcl 8.x. Do it.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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TclTk 8.7 (still in alpha), and 9.0 (released), implement TIP 474 that
delivers uniform handling of mouse and touchpad scrolling events on all
platforms, and by default bound to most widgets. TIP 474 also implements
use of the Option- modifier key (Alt- key on PC, Option- key on Macs) to
indicate desire for more motion per scroll wheel event, the
amplification is not defined but seems to be 5x to 10x.
So, for TclTk >= 8.7 we can use identical MouseWheel bindings on all
platforms, and should enable use of the Option- modifier to enable
larger motion. Let's do all of this, and use a 5x multiplier for the
Option- modifier.
This largely follows the prior win32 model, except that Tk 8.6 does not
reliably use the Option- modifier because the Alt- key conflicts with
builtin behavior to activate the main menubar. Presumably this conflict
is addressed in the win32 Tcl9.x package.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk provides a dialog to configure many ui colors. Any color element
changed in the dialog takes immediate effect before closing the dialog.
While cancelling the dialog after changing one or more colors avoids
saving the modified colors, the user must restart gitk to restore the
prior color set. This unfortunate behavior results because gitk does not
have a single routine to update all of the ui colors. The prior commit
eliminated the key impediment to having such a routine. So, let's create
a routine to update all configured colors at once, use this when
modifying colors, and also invoke this after restoring the prior set if
the dialog is cancelled.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk commit 5fdcbb1390 ("gitk: Fixes for Mac OS X TkAqua", 2009-03-23),
adds horizontal scrolling of the commit graph pane on aqua, but not on
x11 or win32. Also, the horizontal scrolling is triggered by MouseWheel
events attached to any of the three panes, not just the commit graph
that is the only one that scrolls. It is unusual to scroll a widget that
is not under the mouse, many would consider this a bug. No horizontal
scrollbar is provided for this, so there is no real cue for the user
that horizontal scrolling is available. We removed this aqua only
feature by transitioning aqua to use the common MouseWheel bindings set.
Let's add this as a feature on all platforms, and use the same approach
for scaling scroll motion as we do elsewhere. For horizontal scrolling,
honor only events received by the commit graph in conformance with
normal GUI design. Vertical scrolling is unchanged, and events received
by any of the 3 panes continue to scroll all 3 in unison.
Per the ancient and long ignored CUA standards, we should add a
horizontal scrollbar to the commit-graph, but gitk's interface is
already very cluttered: adding a scrollbar to only one of these three
panes is difficult while maintaining common pane vertical size,
especially so considering the movable sash separating panes 1 & 2, and
will consume yet more space. So, leave this as a hidden feature, now
available on all platforms.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk's color selection dialog uses a number of "label" widgets to show
the current value of each selectable color. This uses the -background
color property of label widgets, and this property is overwritten when
the full ui color set is refreshed. The swatch colors are set
individually using code passed into the chooser dialog, so there is no
common routine to set all after updating the global ui colors.
Let's replace this with a single routine that does set all swatches,
removing a key impediment to restoring the ui colors if the dialog is
cancelled.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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Tk provides MouseWheel events to aqua, similar to win32. But, these
events on aqua have a nominal motion value (%D) of 1, not 120 as on
win32. gitk on aqua provides specific bindings only for the top 3 panes,
giving a nominal scrolling amount of +/- 1 for all events. gitk includes
a hidden feature providing horizontal scrolling of the commit graph,
added in 5fdcbb1390 ("gitk: Fixes for Mac OS X TkAqua", 2009-03-23).
This horizontal scrolling is triggered by mouse events in any of the top
3 panes, and thus violates normal gui design where the object under the
mouse cursor scrolls.
Let's update this using the common bindings in 'proc bind_mousewheel',
allowing user preferences on motion scaling to apply to all windows.
The commit graph scrolling feature is removed by this, and will be added
back for all platforms in a later commit.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk has x11 mouse bindings that receive button presses, not MouseWheel
events, as this is the Tk implementation through Tk 8.6. On x11, gitk
translates each button event to a scrolling value of +/- 5 for the upper
three panes that scroll vertically as one unit. gitk applies similar
scaling for horizontal scaling of the lower-left commit details pane
(ctext), but not for vertical scrolling of either of the bottom panes.
Rather, the Tk default scrolling actions are used for vertical
scrolling.
Let's make X11 behave similarly to the just modified win32 platform. Do
so by connecting vertical and horizontal scrolling events for the same
items bound in 'proc bind_mousewheel' and using the same user preference
values.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk on win32 binds windows_mousewheel_redirector to all MouseWheel
events in the main window. This proc determines the widget under the
cursor, then determines what scroll command to give, possibly none, and
issues scroll commands to the widget. The top panes get only vertical
scroll events, as does the lower right Patch/Tree pane. All others get
both vertical and horizontal events. These are all hard coded at +/-
five lines.
We now have common MouseWheel event bindings that follow user
preferences for the scrolling amount, bind for only the five main
display widgets, and leave the other gui elements untouched. Let's use
this instead. With the scrolling preference set at 5, the users should
not notice much, if any, difference.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk supports scrolling of 5 windows, but does this differently on the
aqua, x11, and win32 platforms as Tk provides different events on each.
TIP 171 removes some differences on win32 while altering the required
bindings on x11. TIP 474, which is in Tk 8.7 and later, finally unifies
all platforms on using common MouseWheel bindings. Importantly for now,
TIP 171 causes delivery of MouseWheel events to the widget under the
mouse cursor on win32, eliminating the need for completely different
bindings on win32.
Let's make some common functions to unify as much as we can in Tk 8.6.
Examining the platforms shows that the default platform scrolling is
overridden differently on the 3 platforms, and the nominal amount of
motion achieved per mouse wheel "click" is different. win32 nominally
makes everything move 5 lines per click, aqua 1 line per click, and x11
is a mixture. Part of this is due to win32 overriding all scroll events,
while x11 and aqua override smaller sets. Also, note that the text
widgets (the lower two panes) always scroll by 2-3 lines when given a
smaller scroll amount, while the upper three canvas objects follow the
requested scrolling value more accurately.
First, let's have a common routine to calculate the scroll value to give
to a widget in an event. This accounts for the user preference, the
scale of the %D (delta) value given by the event (120 on win32, 1 on
aqua, assumed 1 on x11), and must always be integer. Include negation as
by convention the screen moves opposite to the MouseWheel delta. Allow
setting an offset value to account for the larger minimum scrolling of
text widgets.
Second, let's have a common declaration of MouseWheel event bindings, as
those are shared by all in Tcl9, and by aqua/win32 earlier. Bind all
five display windows here. Note that the Patch/Tree widget (cflist)
cannot scroll horizontally.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk provides scrolling of several windows, uses hard-coded values for
the amount of scrolling, and these values differ across platforms and
widgets. The nominal value used is either 1 text line per mouse /
touchpad / button event, or 5 lines. Furthermore, Tk does not scroll
text widgets by 1 line when told to, this usually gets 2-3 lines of
motion. The upper canvas objects holding the commit graph do scroll as
defined. But, clearly no value is universally preferred, so let's give
the user some control over this. Provide a single multiplier to be
applied for all scroll bindings, with a value of 3 to mean the default
nominal value of 3 line. This is selected both as a compromise between
the various defaults across platforms, and because it is the smallest
value honored by the two text widgets on the bottom of the screen.
Later commits will connect this variable for actual scrolling events.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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Tk through 8.6 has different approaches for handling mouse wheel /
touchpad scrolling events on the different platforms, and gitk has
separate code for these. But, some x11 bindings are applied on aqua as
we do not have these in a clean if / then / else tree based upon
platform. Let's split these bindings apart.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk has code and variables to use the earlier non-themed widget set,
but this code is now irrelevant as gitk now always uses ttk. Clean this
up.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk uses ${NS} to select between the original Tk widgets and the newer
themed widgets in ttk. As gitk uses only themed widgets from ttk::,
this indirection now serves no purpose, so let's switch to explicit use
of ttk:: via global search/replace. More simplification, including
removal of the NS variable, is kept for a later patch to keep this one
smaller.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk added the option to used themed Tk (ttk) in 0cc08ff7dd ("gitk: Add
a user preference to enable/disable use of themed widgets", 2009-09-05).
Using ttk had to be optional as Tk 8.4, then in common use, does not
have ttk. ttk is the default when available, so the ttk code paths are
by now very well tested. gitk also has code paths for the older default
widgets, increasing the maintenance burden. Let's make ttk non-optional
to reduce code complexity in later commits.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk includes many user defined configuration variables, has all of
these are listed in $config_variables. But this list is not used to
define the variables to be loaded, saved, or restored when cancelling
the configuration dialog, and developers must maintain separate lists of
variables for these purposes. This leads to unnecessary errors and merge
conflicts. Let's replace those separate lists with $config_variables to
make maintenance easier.
While we are on topic, sort the list of names in $config_variables.
This makes it simpler to scan and has fewer chances of conflicts
when new names are introduced.
Helped-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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eab5dbab (ci: wire up Meson builds, 2024-12-13) added two instances
of a very similar construct
FAILED_TEST_ARTIFACTS=${TEST_OUTPUT_DIRECTORY:-t}/failed-test-artifacts
one to ci/lib.sh and the other to ci/print-test-failures.sh
Unfortunately, the latter had a typo causing shell to emit "Bad
substitution". Fix it.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch adds the basic support of SHA256 Git repositories.
Most of changes are idiomatic replacement of the hard-coded hash ID
length, but there are subtle things:
* The hash length is determined on startup, and stored in $hashlength
global variable (either 40 or 64).
* The hard-coded "40" are replaced with $hashlength;
for regexp patterns, the ugly string map is used.
* Some code have the fixed numbers like 39 and 45, and those are
replaced with the $hashlength and the offset correction.
* $nullid and $nullid2 are generated for the hash length.
A caveat is that repository picker dialog is performed before
evaluating the repo type, hence $hashlength isn't set there yet.
So the code dealing with the hard-coded "40" are handled differently;
namely, the regexp range is expanded, and the null id is generated
from the HEAD id length locally.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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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Documentation updates for "git send-email".
* ag/doc-send-email:
docs: mention possible options for Proton Mail users
docs: add a paragraph explaining the `sendmailCmd` option of sendemail
docs: add an OAuth2.0 credential helper for AOL accounts
docs: add outlookidfix config option to sendemail documentation
docs: link OpenSSL's verify(1) manual page to know about -CAfile and -CApath options
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Define .precision to more canned parse-options type to avoid bugs
coming from using a variable with a wrong type to capture the
parsed values.
* rs/parse-options-precision:
parse-options: add precision handling for OPTION_COUNTUP
parse-options: add precision handling for OPTION_BITOP
parse-options: add precision handling for OPTION_NEGBIT
parse-options: add precision handling for OPTION_BIT
parse-options: add precision handling for OPTION_SET_INT
parse-options: add precision handling for PARSE_OPT_CMDMODE
parse-options: require PARSE_OPT_NOARG for OPTION_BITOP
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Doc update.
* ps/doc-pack-refs-auto-with-files-backend-fix:
docs/git-pack-refs: document heuristic used for packing loose refs
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When a ref creation at refs/heads/foo/bar fails, the files backend
now removes refs/heads/foo/ if the directory is otherwise not used.
* ps/refs-files-remove-empty-parent:
refs/files: remove empty parent dirs when ref creation fails
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Test fix.
* ps/t1006-tap-fix:
t1006: fix broken TAP format
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"git fetch --prune" used to be O(n^2) expensive when there are many
refs, which has been corrected.
* ph/fetch-prune-optim:
clean up interface for refs_warn_dangling_symrefs
refs: remove old refs_warn_dangling_symref
fetch-prune: optimize dangling-ref reporting
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Both $nullid and $null_sha1 point to the same content.
Use only $nullid consistently.
This is a preliminary cleanup for adding the support of SHA256 repo.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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gitk includes code specifically for Tcl 8.4 and 8.5, but the requirement
is now for at least 8.6. Remove the now unusable code targeting earlier
Tcl.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk runs under wish so naturally has Tcl and Tk available and of the
same version. gitk sets a requirement on Tk version >= 8.4: this is very
outdated, and the earliest Tcl currently shipping on any supported OS is
8.6. As 8.7 is in alpha test and is generally compatible with 8.6, we
should allow 8.7. Tcl 9.0 has planned compatibility breaking changes so
is not yet supported.
Let's change the requirements to 8.6-8.7, but not 9.0. Place this at the
top of file so the requirements are obvious.
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk has a few code fragments that are used only for git versions <=
1.7.2 that do not support submodules, notes, word differences, or
textconv filters. We just set the minimum git version higher than 1.7.2
so these code fragments have no effect. Delete them.
Helped-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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gitk has alternate code paths for early git up to 1.72, and has no
defined minimum version. Setting any version > 1.72 as minimum will
allow removing those code paths.
The recent set of advisories published for git, gitk, and git-gui add
updates for v2.43 and later, but Debian has buster withgit 2.20 still
available. While Debian would be responsible for backporting any fixes
to such an early version, we have no good reason preclude it.
So, make 2.20 the minimum required git version.
Helped-by: Johannes Sixt <j6t@kdbg.org>
Signed-off-by: Mark Levedahl <mlevedahl@gmail.com>
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If conflict comments already use a comment character that isn't "#", and
core.commentChar is set "auto", Git will ignore these lines during the
scan using ignored_log_message_bytes() and pick a new comment character
based on the rest of the message. The newly chosen character may be
different from the one used in the conflict comments and therefore,
these are no longer treated as comments and end up in the final commit
message.
For example, during a rebase if the user previously set
core.commentChar=% and then encounters a conflict, conflict comments
like "% Conflicts:" are generated. If the user subsequently sets
core.commentChar=auto before running `rebase --continue`, Git parses the
"auto" setting and begins scanning. It first uses the existing
'comment_line_str' (which is '%') to detect and ignore conflict comments
via ignored_log_message_bytes().
Then, Git scans the rest of the message (excluding conflict comments),
sees that none of the remaining lines start with '#' and decides to set
comment_line_str to '#'. Since the final commit character differs from
the one used in the conflict comments, those lines are no longer
considered comments and get included in the final commit message.
Set 'comment_line_str' to '#' when core.commentChar is set to 'auto' to
reset any previously set value.
While this does not solve the issue of conflict comment inclusion and
the user visible behaviour stays tha same, it standardizes the behaviour
of the code by always resetting 'comment_line_str' to '#' when
core.commentChar=auto is parsed.
The patch text is based on Phillip Wood's message:
https://lore.kernel.org/git/9e96aaab-79a2-4632-94cd-d016d4a63b30@gmail.com/
and the commit log message is wriiten by me.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
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>
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When core.commentChar is set to "auto", Git selects a comment character
by scanning the commit message contents and avoiding any character
already present in the message.
If the message still contains old conflict comments (starting with a
comment character), Git assumes that character is in use and chooses a
different one. As a result, those existing comment lines are no longer
recognized as comments and end up being included in the final commit
message.
To avoid this, skip scanning the trailing comment block when selecting
the comment character. This allows Git to safely reuse the original
character when appropriate, keeping the commit message clean and free of
leftover conflict information.
Background:
The "auto" value for core.commentchar was introduced in the commit
84c9dc2c5a (commit: allow core.commentChar=auto for character auto
selection, 2014-05-17) but did not exhibit this issue at that time.
The bug was introduced in commit a6c2654f83 (rebase -m: fix --signoff
with conflicts, 2024-04-18) where Git started writing conflict comments
to the file at 'rebase_path_message()'.
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>
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Now that the string predicates defined in git-compat-util.h all
return bool let's convert the return type of the string predicates
in strbuf.{c,h} to match them.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Since 8277dbe987 (git-compat-util: convert skip_{prefix,suffix}{,_mem}
to bool, 2023-12-16) a number of our string predicates have been
returning bool instead of int. Now that we've declared that experiment
a success, let's convert the return type of the case-independent
skip_iprefix() and skip_iprefix_mem() functions to match the return
type of their case-dependent equivalents. Returning bool instead of
int makes it clear that these functions are predicates.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We have had a test balloon for C99's bool type since 8277dbe987
(git-compat-util: convert skip_{prefix,suffix}{,_mem} to bool,
2023-12-16). As we've had it over 18 months without any complaints
let's declare it a success.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Our submission guidelines require people to use their real name, but
this is not always suitable for various reasons.
For people who are transgender or non-binary and are transitioning or
who think they might want to transition, it can be a major obstacle and
cause major discomfort to require the use of their real name. This is
made worse by the fact that Git provides no way to change names built
into history, so the use of a deadname is forever. Our code of conduct
states that we "pledge to act and interact in ways that contribute to an
open, welcoming, diverse, inclusive, and healthy community," and
changing this policy is one way we can improve things for contributors.
In addition, there are some developers who are so widely known
pseudonymously that they have a Wikipedia page with their handle and no
real name. It would seem silly to reject patches from people who are
known and respected in their open-source community just because they
don't wish to share a real name.
There are also other good reasons why people might operate
pseudonymously: because they or their family members are well known and
they wish to protect their privacy, because of current or past
harassment or retaliation or fear of that happening in the future, or
because of concerns about unwanted attention from government officials
or other authority figures. As much as possible, we want to welcome
contributions from anyone who is willing to participate positively in
our community without having them worry about their safety or privacy.
In all of these cases, we should allow people to proceed using a
preferred name or pseudonymously if, in their best judgment, that's the
right thing to do. State that it is common to use a real name but
explicitly mention that contributors who are not comfortable doing so or
prefer to operate pseudonymously or under a preferred name can proceed
otherwise, provided the name is distinctive, identifying, and not
misleading. For instance, using U+2060 (WORD JOINER) as one's ID would
likely be distinctive but not identifying, since most people would have
trouble reading it due to its zero-width nature.
We prohibit identities which are misleading, since our goal is to create
a community which works together with a common goal, and misleading or
deceiving others is not conducive to good community or compatible with
our code of conduct, nor is it compatible with making a legal assertion
about the provenance of one's code.
Explicitly prohibit anonymous contributions to ensure that we have some
line of provenance to a known (if pseudonymous) author who might be able
to respond to questions about it. Explain that this is the reason we
have this policy to help contributors understand the rationale better.
Use "some form of your real name" since some current contributors use
shortened forms of their name or use initials, which have always been
considered acceptable. This helps guide people who would be fine using
their real name but have misconfigured `user.name` thinking it is
intended to be a username or is used for authentication (despite our
documentation to the contrary), but also allows for a variety of
circumstances where the contributor would feel more comfortable not
doing so.
Note that this policy is the same as that of the Linux kernel[0] and the
CNCF[1], as well as many smaller projects. The Linux kernel patch was
Acked-by one of the Linux Foundation's lawyers, Michael Dolan, so it
appears these changes have had legal review.
Additionally, retain the section header ID for ease of linking across
versions.
[0] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d4563201f33a022fc0353033d9dfeb1606a88330
[1] https://github.com/cncf/foundation/blob/659fd32c86dc/dco-guidelines.md
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit bf5ce434db ("l10n: Add full Irish translation (ga.po)", 2025-05-16)
added a new translation to git. In a make build, new 'po' files (ga.po
in this case) are added to the build automatically using a wildcard
pattern. In a meson build you have to add the language code ('ga') to a
list explicitly to have it included in the build. In order to include the
new translation in the meson build, add the 'ga' language code to the
list of translations in the 'po/meson.build' file.
Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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commit 837f637cf5 ("meson.build: correct setting of GIT_EXEC_PATH",
2025-05-19) corrected the GIT_EXEC_PATH build setting, but then forgot
to update the installation path for the library executables. This causes
a regression when attempting to execute commands, after installing to a
non-standard location (reported here[1]):
$ meson -Dprefix=/tmp/git -Dlibexecdir=libexec-different build
$ meson install
$ /tmp/git/bin/git --exec-path
/tmp/git/libexec-different
$ /tmp/git/bin/git daemon
git: 'daemon' is not a git command. See 'git --help'
In order to fix the issue, use the 'git_exec_path' variable (calculated
while processing -Dlibexecdir) as the 'install_dir' field during the
installation of the library executables.
[1]: <66fd343a-1351-4350-83eb-c797e47b7693@gmail.com>
Reported-by: irecca.kun@gmail.com
Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
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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Leakfix with a new and a bit invasive test.
* ly/load-bitmap-leakfix:
pack-bitmap: add load corrupt bitmap test
pack-bitmap: reword comments in test_bitmap_commits()
pack-bitmap: fix memory leak if load_bitmap() failed
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Code clean-up around object access API.
* ps/object-store:
odb: rename `read_object_with_reference()`
odb: rename `pretend_object_file()`
odb: rename `has_object()`
odb: rename `repo_read_object_file()`
odb: rename `oid_object_info()`
odb: trivial refactorings to get rid of `the_repository`
odb: get rid of `the_repository` when handling submodule sources
odb: get rid of `the_repository` when handling the primary source
odb: get rid of `the_repository` in `for_each()` functions
odb: get rid of `the_repository` when handling alternates
odb: get rid of `the_repository` in `odb_mkstemp()`
odb: get rid of `the_repository` in `assert_oid_type()`
odb: get rid of `the_repository` in `find_odb()`
odb: introduce parent pointers
object-store: rename files to "odb.{c,h}"
object-store: rename `object_directory` to `odb_source`
object-store: rename `raw_object_store` to `object_database`
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The compiler is in general able to recognize the endian shift and
replace it with an optimized opcode if possible. On certain
architectures such as RiscV or MIPS the situation can get complicated.
They don't provide an optimized opcode and masking the "higher" bits may
required loading a constant which needs shifting. This causes the
compiler to emit a lot of instructions for the operation.
The provided builtin directive on these architecture calls a function
which does the operation instead of emitting the code for operation.
Bring back the change from commit 6547d1c9 (bswap.h: add support for
built-in bswap functions, 2025-04-23). The bswap32/64 macro can now be
defined unconditionally so it won't regress on big endian architectures.
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On x86 the bswap32/64 macro is implemented based on the x86 opcode which
performs the required shifting in just one opcode.
The other CPUs fallback to the generic shifting as implemented by
default_swab32() and default_bswap64() if needed.
I've been looking at how good a compiler is at recognizing the default
shift and emitting an optimized operation:
- x86, arm64 msvc v19.20
default_swab32() optimized
default_bswap64() shifts
_byteswap_uint64() optimized
- x86, arm64 msvc v19.37
default_swab32() optimized
default_bswap64() optimized
_byteswap_uint64() optimized
- arm64, gcc-4.9.4: optimized
- x86-64, gcc-4.4.7: shifts
- x86-64, gcc-4.5.3: optimized
- x86-64, clang-3.0: optimized
Given that gcc-4.5 and clang-3.0 are fairly old, any recent compiler
should recognize the shift.
Remove the optimized x86 version and rely on the compiler.
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The ntohl and htonl macros are redefined because the provided macros were
not always optimal. Sometimes it was a function call, sometimes it was a
macro which did the shifting. Using the 'bswap' opcode on x86 provides
probably better performance than performing the shifting.
These macros are only overwritten on x86 if the "optimized" version is
available.
The ntohll and htonll macros are not available on every platform (at
least glibc does not provide them) which means they need to be defined
once the endianness of the system is determined.
In order to get a more symmetrical setup, redfine the macros once the
endianness of the system has been determined.
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The Microsoft Visual C++ (MSVC) compiler (as of Visual Studio 2022
version 17.13.6) does not define __BYTE_ORDER__ and its C-library does
not define __BYTE_ORDER. The compiler is supported only on arm64 and x86
which are all little endian.
Define GIT_BYTE_ORDER on msvc as little endian to avoid further checks.
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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|
The __BYTE_ORDER__ define is provided by gcc (since ~v4.6), clang
(since ~v3.2) and icc (since ~16.0.3).
The __BYTE_ORDER and BYTE_ORDER macros are libc specific and are not
available on all supported platforms such as mingw.
Add support for the __BYTE_ORDER__ macro as a fallback.
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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|
$GIT_TEST_INSTALLED can be set to use an "installed" git instead of the
one from $GIT_BUILD_DIR. This is used by my company's internal test
infrastructure, and not using $GIT_TEST_INSTALLED when querying the
default hash meant that the tests were failing because the hash was
effectively set to the empty string (since git didn't execute).
In the two places we attempt to detect/execute git itself prior to
overriding everything and putting it in $PATH, use identical logic for
identifying the git binary to execute. This also has the effect of
including the $X suffix when querying the default hash, but that's not
strictly necessary. You don't need to specify .exe when running a binary
on Windows, just when testing whether it exists or not.
Signed-off-by: Kyle Lippincott <spectral@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
|
|
As well as receiving the config key and value, config callbacks
also receive a "struct key_value_info" containing information about
the source of the key-value pair. Accessing the "path" field of
this struct from a callback passed to repo_config() results in a
use-after-free. This happens because repo_config() first populates a
configset by calling config_with_options() and then iterates over the
configset with the callback passed by the caller. When the configset
is constructed it takes a shallow copy of the "struct key_value_info"
for each config setting. This leads to the use-after-free as the
"path" member is freed before config_with_options() returns.
We could fix this by interning the "path" field as we do
for the "filename" field but the "path" field is not actually
needed. It is populated with a copy of the "path" field from "struct
config_source". That field was added in d14d42440d8 (config: disallow
relative include paths from blobs, 2014-02-19) to distinguish between
relative include directives in files and those in blobs. However,
since 1b8132d99d8 (i18n: config: unfold error messages marked for
translation, 2016-07-28) we can differentiate these by looking at the
"origin_type" field in "struct key_value_info". So let's remove the
"path" members from "struct config_source" and "struct key_value_info"
and instead use a combination of the "filename" and "origin_type"
fields to determine the absolute path of relative includes.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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|
In the preceding commits we have migrated all users of the linked list
of multi-pack indices to instead use those stored in the object database
sources. Remove those now-unused pointers.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Refactor `get_all_packs()` so that we stop using the linked list of
multi-pack indices. Note that there is no need to explicitly prepare
alternates, and neither do we have to use `get_multi_pack_index()`,
because `prepare_packed_git()` already takes care of populating all data
structures for us.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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|
Refactor `find_pack_entry()` so that we stop using the linked list of
multi-pack indices. Note that there is no need to explicitly prepare
alternates, and neither do we have to use `get_multi_pack_index()`,
because `prepare_packed_git()` already takes care of populating all data
structures for us.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
The function `get_multi_pack_index()` loads multi-pack indices via
`prepare_packed_git()` and then returns the linked list of multi-pack
indices that is stored in `struct object_database`. That list is in the
process of being removed though in favor of storing the MIDX as part of
the object database source it belongs to.
Refactor `get_multi_pack_index()` so that it returns the multi-pack
index for a single object source. Callers are now expected to call this
function for each source they are interested in. This requires them to
iterate through alternates, so we have to prepare alternate object
sources before doing so.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
When calling `close_midx()` we not only close the multi-pack index for
one object source, but instead we iterate through the whole linked list
of MIDXs to close all of them. This linked list is about to go away in
favor of using the new per-source pointer to its respective MIDX.
Refactor the function to iterate through sources instead.
Note that after this patch, there's a couple of callsites left that
continue to use `close_midx()` without iterating through all sources.
These are all cases where we don't care about the MIDX from other
sources though, so it's fine to keep them as-is.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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|
In the preceding commit we refactored how we load multi-pack indices to
take a corresponding "source" as input. As part of this refactoring we
started to store a pointer to the MIDX in `struct odb_source` itself.
Refactor loading of packfiles in the same way: instead of passing in the
object directory, we now pass in the source from which we want to load
packfiles. This allows us to simplify the code because we don't have to
search for a corresponding MIDX anymore, but we can instead directly use
the MIDX that we have already prepared beforehand.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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|
Multi-pack indices are tracked via `struct multi_pack_index`. This data
structure is stored as a linked list inside `struct object_database`,
which is the global database that spans across all of the object
sources.
This layout causes two problems:
- Object databases consist of multiple object sources (e.g. one source
per alternate object directory), where each multi-pack index is
specific to one of those sources. Regardless of that though, the
MIDX is not tracked per source, but tracked globally for the whole
object database. This creates a mismatch between the on-disk layout
and how things are organized in the object database subsystems and
makes some parts, like figuring out whether a source has an MIDX,
quite awkward.
- Multi-pack indices are an implementation detail of how efficient
access for packfiles work. As such, they are neither relevant in the
context of loose objects, nor in a potential future where we have
pluggable backends.
Refactor `prepare_multi_pack_index_one()` so that it works on a specific
source, which allows us to easily store a pointer to the multi-pack
index inside of it. For now, this pointer exists next to the existing
linked list we have in the object database. Users will be adjusted in
subsequent patches to instead use the per-source pointers.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* tb/midx-avoid-cruft-packs:
repack: exclude cruft pack(s) from the MIDX where possible
pack-objects: introduce '--stdin-packs=follow'
pack-objects: swap 'show_{object,commit}_pack_hint'
pack-objects: fix typo in 'show_object_pack_hint()'
pack-objects: perform name-hash traversal for unpacked objects
pack-objects: declare 'rev_info' for '--stdin-packs' earlier
pack-objects: factor out handling '--stdin-packs'
pack-objects: limit scope in 'add_object_entry_from_pack()'
pack-objects: use standard option incompatibility functions
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The `git-for-each-ref(1)` command is used to iterate over references
present in a repository. In large repositories with millions of
references, it would be optimal to paginate this output such that we
can start iteration from a given reference. This would avoid having to
iterate over all references from the beginning each time when paginating
through results.
The previous commit added 'seek' functionality to the reference
backends. Utilize this and expose a '--start-after' option in
'git-for-each-ref(1)'. When used, the reference iteration seeks to the
lexicographically next reference and iterates from there onward.
This enables efficient pagination workflows, where the calling script
can remember the last provided reference and use that as the starting
point for the next set of references:
git for-each-ref --count=100
git for-each-ref --count=100 --start-after=refs/heads/branch-100
git for-each-ref --count=100 --start-after=refs/heads/branch-200
Since the reference iterators only allow seeking to a specified marker
via the `ref_iterator_seek()`, we introduce a helper function
`start_ref_iterator_after()`, which seeks to next reference by simply
adding (char) 1 to the marker.
We must note that pagination always continues from the provided marker,
as such any concurrent reference updates lexicographically behind the
marker will not be output. Document the same.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 'ref-filter.c', there is an 'else' clause within `do_filter_refs()`.
This is unnecessary since the 'if' clause calls `die()`, which would
exit the program. So let's remove the unnecessary 'else' clause. This
improves readability since the indentation is also reduced and flow is
simpler.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The ref iterator exposes a `ref_iterator_seek()` function. The name
suggests that this would seek the iterator to a specific reference in
some ways similar to how `fseek()` works for the filesystem.
However, the function actually sets the prefix for refs iteration. So
further iteration would only yield references which match the particular
prefix. This is a bit confusing.
Let's add a 'flags' field to the function, which when set with the
'REF_ITERATOR_SEEK_SET_PREFIX' flag, will set the prefix for the
iteration in-line with the existing behavior. Otherwise, the reference
backends will simply seek to the specified reference and clears any
previously set prefix. This allows users to start iteration from a
specific reference.
In the packed and reftable backend, since references are available in a
sorted list, the changes are simply setting the prefix if needed. The
changes on the files-backend are a little more involved, since the files
backend uses the 'ref-cache' mechanism. We move out the existing logic
within `cache_ref_iterator_seek()` to `cache_ref_iterator_set_prefix()`
which is called when the 'REF_ITERATOR_SEEK_SET_PREFIX' flag is set. We
then parse the provided seek string and set the required levels and
their indexes to ensure that seeking is possible.
Helped-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'find_ref_entry' function is no longer used, so remove it.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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|
The `ref_iterator` is an internal structure to the 'refs/'
sub-directory, which allows iteration over refs. All reference iteration
is built on top of these iterators.
External clients of the 'refs' subsystem use the various
'refs_for_each...()' functions to iterate over refs. However since these
are wrapper functions, each combination of functionality requires a new
wrapper function. This is not feasible as the functions pile up with the
increase in requirements. Expose the internal reference iterator, so
advanced users can mix and match options as needed.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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External tools such as Jujutsu may add many references that are of no
interest to the user. This preference allows hiding them.
Signed-off-by: Ori Avtalion <ori@avtalion.name>
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|
To enable optimize multiple pathspec items in revision traversal,
return 0 if all pathspec item is literal in forbid_bloom_filters().
Add for loops to initialize and check each pathspec item's bloom_keyvec
when optimization is possible.
Add new test cases in t/t4216-log-bloom.sh to ensure
- consistent results between the optimization for multiple pathspec
items using bloom filter and the case without bloom filter
optimization.
- does not use bloom filter if any pathspec item is not literal.
With these optimizations, we get some improvements for multi-pathspec runs
of 'git log'. First, in the Git repository we see these modest results:
Benchmark 1: old
Time (mean ± σ): 73.1 ms ± 2.9 ms
Range (min … max): 69.9 ms … 84.5 ms 42 runs
Benchmark 2: new
Time (mean ± σ): 55.1 ms ± 2.9 ms
Range (min … max): 51.1 ms … 61.2 ms 52 runs
Summary
'new' ran
1.33 ± 0.09 times faster than 'old'
But in a larger repo, such as the LLVM project repo below, we get even
better results:
Benchmark 1: old
Time (mean ± σ): 1.974 s ± 0.006 s
Range (min … max): 1.960 s … 1.983 s 10 runs
Benchmark 2: new
Time (mean ± σ): 262.9 ms ± 2.4 ms
Range (min … max): 257.7 ms … 266.2 ms 11 runs
Summary
'new' ran
7.51 ± 0.07 times faster than 'old'
Signed-off-by: Derrick Stolee <stolee@gmail.com>
[ly: rename convert_pathspec_to_filter() to convert_pathspec_to_bloom_keyvec()]
Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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|
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
"git apply -N" should start from the current index and register
only new files, but it instead started from an empty index, which
has been corrected.
* rp/apply-intent-to-add-fix:
apply docs: clarify wording for --intent-to-add
t4140: test apply --intent-to-add interactions
apply: only write intents to add for new files
apply: read in the index in --intent-to-add mode
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|
Code and test clean-up around string-list API.
* sj/string-list:
u-string-list: move "remove duplicates" test to "u-string-list.c"
u-string-list: move "filter string" test to "u-string-list.c"
u-string-list: move "test_split_in_place" to "u-string-list.c"
u-string-list: move "test_split" into "u-string-list.c"
string-list: enable sign compare warnings check
string-list: return index directly when inserting an existing element
string-list: remove unused "insert_at" parameter from add_entry
string-list: fix sign compare warnings for loop iterator
|
|
Build fix for FreeBSD.
* rj/freebsd-sysinfo-build-fix:
build: fix FreeBSD build when sysinfo compat library installed
|
|
Doc fix.
* ts/merge-orig-head-doc-fix:
docs: correct ORIG_HEAD example in "git merge" documentation
|
|
Test fixes.
* ps/perlless-test-fixes:
t5333: fix missing terminator for sed(1) 's' command
t4150: fix warning printed by awk due to escaped '\@'
|
|
Tempfile removal fix in the codepath to sign commits with SSH keys.
* re/ssh-sign-buffer-fix:
ssh signing: don't detach the filename strbuf from key_file tempfile
|
|
A failure to open the index file for writing due to conflicting
access did not state what went wrong, which has been corrected.
* hy/read-cache-lock-error-fix:
read-cache: report lock error when refreshing index
|
|
Update ".clang-format" and ".editorconfig" to match our style guide
a bit better.
* kn/clang-format-updates:
meson: add rule to run 'git clang-format'
clang-format: add 'RemoveBracesLLVM' to the main config
clang-format: set 'ColumnLimit' to 0
|
|
Documentation updates.
* kh/doc-config-subcommands:
config: mention --url in the synopsis
config: use --value instead of value-pattern
config: document --[no-]value
config: use --value=<pattern> consistently
config: document --[no-]show-names
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|
"netrc" credential helper has been improved to understand textual
service names (like smtp) in addition to the numeric port numbers
(like 25).
* mc/netrc-service-names:
contrib: better support symbolic port names in git-credential-netrc
contrib: warn for invalid netrc file ports in git-credential-netrc
contrib: use a more portable shebang for git-credential-netrc
|
|
"make coccicheck" succeeds even when spatch made suggestions, which
has been updated to fail in such a case.
* jc/coccicheck-fails-make-when-it-fails:
coccicheck: fail "make" when it fails
|
|
The reftable ref backend has matured enough; Git 3.0 will make it
the default format in a newly created repositories by default.
* ps/use-reftable-as-default-in-3.0:
setup: use "reftable" format when experimental features are enabled
BreakingChanges: announce switch to "reftable" format
|
|
A diff-filter with negative-only specification like "git log
--diff-filter=d" did not trigger correctly, which has been fixed.
* jk/all-negative-diff-filter-fix:
setup_revisions(): turn on diffs for all-negative diff filter
|
|
Some code paths in the "git prune" used to ignore passed in
repository object and used the_repository singleton instance
instead, which has been corrected.
* ac/prune-wo-the-repository:
builtin/prune: stop depending on 'the_repository'
repository: move 'repository_format_precious_objects' to repo scope
|
|
Drop FreeBSD 4 support and assume we are at least at FreeBSD 6 with
memmem() supported.
* bs/config-mak-freebsd:
build: retire NO_UINTMAX_T
config.mak.uname: set NO_MEMMEM only for functional version
|
|
Use of sysctl() system call to learn the total RAM size used on
BSDs has been corrected.
* cb/total-ram-bsd-fix:
builtin/gc: correct total_ram calculation with HAVE_BSD_SYSCTL
|
|
Docfix.
* bs/remote-helpers-doc-markup-fix:
gitremote-helpers.adoc: fix formatting
|
|
This allows using a custom gpg program under the user's home directory
by specifying a path starting with '~'
[gpg]
program = "~/.local/bin/mygpg"
Signed-off-by: Jonas Brandstötter <jonas.brandstoetter@gmx.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
When preparing to use bloom filters in a revision walk, Git populates a
boom_keyvec with an array of bloom keys for the components of a path.
Before we create the ability to map multiple pathspecs to multiple
bloom_keyvecs, extract the conversion from a pathspec to a bloom_keyvec
into its own helper method. This simplifies the state that persists in
prepare_to_use_bloom_filter() as well as makes the future change much
simpler.
Signed-off-by: Derrick Stolee <stolee@gmail.com>
Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
Previously, we stored bloom keys in a flat array and marked a commit
as NOT TREESAME if any key reported "definitely not changed".
To support multiple pathspec items, we now require that for each
pathspec item, there exists a bloom key reporting "definitely not
changed".
This "for every" condition makes a flat array insufficient, so we
introduce a new structure to group keys by a single pathspec item.
`struct bloom_keyvec` is introduced to replace `struct bloom_key *`
and `bloom_key_nr`. And because we want to support multiple pathspec
items, we added a bloom_keyvec * and a bloom_keyvec_nr field to
`struct rev_info` to represent an array of bloom_keyvecs. This commit
still optimize only one pathspec item, thus bloom_keyvec_nr can only
be 0 or 1.
New bloom_keyvec_* functions are added to create and destroy a keyvec.
bloom_filter_contains_vec() is added to check if all key in keyvec is
contained in a bloom filter.
Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
git code style requires that functions operating on a struct S
should be named in the form S_verb. However, the functions operating
on struct bloom_key do not follow this convention. Therefore,
fill_bloom_key() and clear_bloom_key() are renamed to bloom_key_fill()
and bloom_key_clear(), respectively.
Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
In bloom.h, murmur3_seeded_v2() is exported for the use of test murmur3
hash. To clarify that murmur3_seeded_v2() is exported solely for testing
purposes, a new helper function test_murmur3_seeded() was added instead
of exporting murmur3_seeded_v2() directly.
Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
This patch adds a basic support of SHA256 Git repository to Gitk, so
that Gitk can show and operate on both SHA1 and SHA256 repos
gracefully. Since SHA256 has a longer ID length (64 char) than SHA1
(40 char), many field widths are adjusted to fit with it.
A caveat is that the configuration of auto selection length is shared
between SHA1 and SHA256 repos. That is, once when this value is saved
and read, it's applied to both repo types, which may result in shorter
selection than the full SHA256 ID. We may introduce another
individual config for sha256 (actually I did write in the first
version), but for simplicity, the common config is used as of writing
this.
Many lines still refer "sha1" although they may point to both SHA1 and
SHA256. They are left untouched for making the changes simpler.
This patch is based on the early work by Rostislav Krasny:
https://patchwork.kernel.org/project/git/patch/pull.979.git.1623687519832.gitgitgadget@gmail.com
I refreshed, revised and extended to the latest state.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
|
|
When commit-msg writes the file using CRLF, the lines in the final
message include trailing spaces.
Postpone stripping until after hooks execute.
This aligns with Git's behavior, which passes the original message
to commit-msg, then strips comments and whitespace.
Signed-off-by: Orgad Shaneh <orgads@gmail.com>
|
|
As executing our test suite is notoriously slow on Windows we use matrix
jobs in our CI systems to slice up tests and run them via multiple jobs.
On Meson this is done with a comparatively complex PowerShell invocation
as Meson didn't yet have a native way to slice tests like this.
I have upstreamed a new `--slice` option [1] that addresses this use
case though, which has been merged and released with Meson 1.8. Both
GitLab and GitHub CI have Meson 1.8.2 available by now, so let's update
the jobs to use that new option.
[1]: https://github.com/mesonbuild/meson/pull/14092
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
Update subproject wrappers to newer versions by executing `meson wrap
update` in the project's root directory
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
gitglossary documents Git pathspecs. One type of pathspec is the "glob"
pathspec, prefixed with the magic word "glob".
Regarding glob pathspecs, gitglossary says, '"**/foo" matches file or
directory "foo" anywhere, the same as pattern "foo".' That last phrase
('the same as pattern "foo") is incorrect. "**/foo" and "foo" are not
equivalent. "**/foo" matches foo anywhere, but "foo" does not.
This change removes the incorrect phrase from the glob pathspec doc.
Signed-off-by: Russell Hanneken <rhanneken@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
Replace signal() with an equivalent invocation of sigaction(), but
make sure to NOT set SA_RESTART so the original code that expects
to be interrupted when children complete still works as designed.
This change has the added benefit of using BSD signal semantics reliably
and therefore not needing the rearming call in the signal handler.
Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
A future change will start using sigaction to setup a SIGCHLD signal
handler.
The current code uses signal(), which returns SIG_ERR (but doesn't
seem to set errno) so instruct sigaction() to do the same.
A new SA flag will be needed, so copy the one from Cygwin; note that
the sigaction() implementation that is provided won't use it, so
its value is otherwise irrelevant.
Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
Compiling Git fails on Amazon Linux 2 when using GCC 7.3.1 with the
following compiler error:
In file included from compat/posix.h:449:0,
from git-compat-util.h:26,
from daemon.c:3:
compat/../sane-ctype.h:29:60: error: expected expression before ']' token
#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
^
compat/../sane-ctype.h:29:72: error: expected ')' before '!=' token
#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
^
compat/../sane-ctype.h:29:60: error: expected expression before ']' token
#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
^
... lots of similar lines ...
compat/../sane-ctype.h:45:50: error: expected declaration specifiers or '...' before numeric constant
#define toupper(x) sane_case((unsigned char)(x), 0)
^
/usr/include/ctype.h:142:12: error: expected identifier or '(' before 'int'
extern int isascii (int __c) __THROW;
^
compat/../sane-ctype.h:30:26: error: expected ')' before '&' token
#define isascii(x) (((x) & ~0x7f) == 0)
^
compat/../sane-ctype.h:30:35: error: expected ')' before '==' token
#define isascii(x) (((x) & ~0x7f) == 0)
^
In file included from /usr/include/features.h:423:0,
from /usr/include/unistd.h:25,
from compat/posix.h:90,
from git-compat-util.h:26,
from daemon.c:3:
compat/../sane-ctype.h:44:30: error: expected declaration specifiers or '...' before '(' token
#define tolower(x) sane_case((unsigned char)(x), 0x20)
^
compat/../sane-ctype.h:44:50: error: expected declaration specifiers or '...' before numeric constant
#define tolower(x) sane_case((unsigned char)(x), 0x20)
^
compat/../sane-ctype.h:45:30: error: expected declaration specifiers or '...' before '(' token
#define toupper(x) sane_case((unsigned char)(x), 0)
^
compat/../sane-ctype.h:45:50: error: expected declaration specifiers or '...' before numeric constant
#define toupper(x) sane_case((unsigned char)(x), 0)
^
This error bisect back to 75a044f748 (git-compat-util.h: split out
POSIX-emulating bits, 2025-02-18), where lots of bits got split out of
"git-compat-util.h" into a new "compat/posix.h" header.
The compiler error isn't immediately obvious, doubly so because the
actual errors are ~3x as long as the above snippet. But what happens
here is that we transitively include <ctype.h> after we have included
our own "sane-ctype.h" header. Consequently, the function declarations
that exist in <ctype.h> for isascii(3p) et al will be mangled by our
macros of the same type. The result is of course completely broken.
It's unclear why this issue only happens on Amazon Linux 2. My guess is
that it's either specific to the compiler version or specific to the
glibc version. We don't explicitly include <ctypes.h> anywhere, but it's
being transitively included. So chances are that later versions of the
toolchain reorganized their headers so that <ctypes.h> is not included
transitively anymore.
Fix the issue by explicitly including <ctype.h> in "sane-ctype.h". This
ensures that the header guards will be activated and that any subsequent
include of the same header will become a no-op. With this we can then
safely override the function declarations with our own macros.
Reported-by: Stan Hu <stanhu@gmail.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
* ps/object-store:
odb: rename `read_object_with_reference()`
odb: rename `pretend_object_file()`
odb: rename `has_object()`
odb: rename `repo_read_object_file()`
odb: rename `oid_object_info()`
odb: trivial refactorings to get rid of `the_repository`
odb: get rid of `the_repository` when handling submodule sources
odb: get rid of `the_repository` when handling the primary source
odb: get rid of `the_repository` in `for_each()` functions
odb: get rid of `the_repository` when handling alternates
odb: get rid of `the_repository` in `odb_mkstemp()`
odb: get rid of `the_repository` in `assert_oid_type()`
odb: get rid of `the_repository` in `find_odb()`
odb: introduce parent pointers
object-store: rename files to "odb.{c,h}"
object-store: rename `object_directory` to `odb_source`
object-store: rename `raw_object_store` to `object_database`
|
|
A recent commit, d9cb0e6ff8 (fast-export, fast-import: add support for
signed-commits, 2025-03-10), added support for signed commits to
fast-export and fast-import.
When a signed commit is processed, fast-export can output either
"gpgsig sha1" or "gpgsig sha256" depending on whether the signed
commit uses the SHA-1 or SHA-256 Git object format.
However, this implementation has a number of limitations:
- the output format was not properly described in the documentation,
- the output format is not very informative as it doesn't even say
if the signature is an OpenPGP, an SSH, or an X509 signature,
- the implementation doesn't support having both one signature on
the SHA-1 object and one on the SHA-256 object.
Let's improve on these limitations by improving fast-export and
fast-import so that:
- all the signatures are exported,
- at most one signature on the SHA-1 object and one on the SHA-256
are imported,
- if there is more than one signature on the SHA-1 object or on
the SHA-256 object, fast-import emits a warning for each
additional signature,
- the output format is "gpgsig <git-hash-algo> <signature-format>",
where <git-hash-algo> is the Git object format as before, and
<signature-format> is the signature type ("openpgp", "x509",
"ssh" or "unknown"),
- the output is properly documented.
About the output format:
- <git-hash-algo> allows to know which representation of the commit
was signed (the SHA-1 or the SHA-256 version) which helps with
both signature verification and interoperability between repos
with different hash functions,
- <signature-format> helps tools that process the fast-export
stream, so they don't have to parse the ASCII armor to identify
the signature type.
It could be even better to be able to import more than one signature
on the SHA-1 object and on the SHA-256 object, but other parts of
Git don't handle that well for now, so this is left for future
improvements.
Helped-by: brian m. carlson <sandals@crustytoothpaste.net>
Helped-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
Similar to 09705696f7 (parse-options: introduce precision handling for
`OPTION_INTEGER`, 2025-04-17) support value variables of different sizes
for OPTION_COUNTUP. Do that by requiring their "precision" to be set,
casting their "value" pointer accordingly and checking whether the value
fits.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
Similar to 09705696f7 (parse-options: introduce precision handling for
`OPTION_INTEGER`, 2025-04-17) support value variables of different sizes
for OPTION_BITOP. Do that by requiring their "precision" to be set,
casting their "value" pointer accordingly and checking whether the value
fits.
Check if "devfal" fits into an integer variable with the given
"precision", but don't check "extra", as its value is only used to clear
bits, so cannot lead to an overflow. Not checking continues to allow
e.g., using -1 to clear all bits even if the value variable has a
narrower type than intptr_t.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
Similar to 09705696f7 (parse-options: introduce precision handling for
`OPTION_INTEGER`, 2025-04-17) support value variables of different sizes
for OPTION_NEGBIT. Do that by requiring their "precision" to be set,
casting their "value" pointer accordingly and checking whether the value
fits.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
Similar to 09705696f7 (parse-options: introduce precision handling for
`OPTION_INTEGER`, 2025-04-17) support value variables of different sizes
for OPTION_BIT. Do that by requiring their "precision" to be set,
casting their "value" pointer accordingly and checking whether the value
fits.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
Similar to 09705696f7 (parse-options: introduce precision handling for
`OPTION_INTEGER`, 2025-04-17) support value variables of different sizes
for OPTION_SET_INT. Do that by requiring their "precision" to be set,
casting their "value" pointer accordingly and checking whether the value
fits.
Factor out the casting code from the part of do_get_value() that handles
OPTION_INTEGER to avoid code duplication. We're going to use it in the
next patches as well.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
Build on 09705696f7 (parse-options: introduce precision handling for
`OPTION_INTEGER`, 2025-04-17) to support value variables of different
sizes for PARSE_OPT_CMDMODE options. Do that by requiring their
"precision" to be set and casting their "value" pointer accordingly.
Call the function that does the raw casting do_get_int_value() to
reserve the name get_int_value() for a more friendly wrapper we're
going to introduce in one of the next patches.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
OPTION_BITOP options don't take arguments. Make sure they are declared
that way using the flag PARSE_OPT_NOARG.
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
* ps/object-store:
odb: rename `read_object_with_reference()`
odb: rename `pretend_object_file()`
odb: rename `has_object()`
odb: rename `repo_read_object_file()`
odb: rename `oid_object_info()`
odb: trivial refactorings to get rid of `the_repository`
odb: get rid of `the_repository` when handling submodule sources
odb: get rid of `the_repository` when handling the primary source
odb: get rid of `the_repository` in `for_each()` functions
odb: get rid of `the_repository` when handling alternates
odb: get rid of `the_repository` in `odb_mkstemp()`
odb: get rid of `the_repository` in `assert_oid_type()`
odb: get rid of `the_repository` in `find_odb()`
odb: introduce parent pointers
object-store: rename files to "odb.{c,h}"
object-store: rename `object_directory` to `odb_source`
object-store: rename `raw_object_store` to `object_database`
|
|
In 4cba20fbdc6 (meson: prefer shell at "/bin/sh", 2025-04-25) we have
addressed an issue where the shell path embedded into Git was looked up
via PATH, which easily led to unportable shell paths other than the
usual "/bin/sh" location. The fix was to simply add '/bin' to the search
path explicitly, which made us prefer that directory over the PATH-based
lookup.
This fix causes issues on MINGW64 though, which uses Windows-style
paths. "/bin" is not an absolute Windows-style path, but Meson expects
the directories to be absolute. This leads to the following error:
meson.build:248:15: ERROR: Search directory /bin is not an absolute path.
Fix this by instead searching for both '/bin/sh' and 'sh', which also
causes us to prefer '/bin/sh' over a PATH-based lookup. Meson does
accept that path alright on MINGW64, even though it's not an absolute
Windows-style path, either.
Furthermore, this continues to work alright with cross-files, as well,
in case one wants to explicitly override the shell path:
$ meson setup build
...
Runtime executable paths
perl : /nix/store/gy10hw004rl2xfbfq41vnw0yb1w8rvbl-perl-5.40.0/bin/perl
python : /nix/store/sd81bvmch7njdpwx3lkjslixcbj5mivz-python3-3.13.4/bin/python3
shell : /bin/sh
$ cat >cross.ini <<-EOF
[binaries]
sh = '/nix/store/94lg0shvsfc845zy8gnflvpqxxiyijbz-bash-interactive-5.2p37/bin/bash'
EOF
$ meson setup build --cross-file=cross.ini --wipe
...
Runtime executable paths
perl : /nix/store/gy10hw004rl2xfbfq41vnw0yb1w8rvbl-perl-5.40.0/bin/perl
python : /nix/store/sd81bvmch7njdpwx3lkjslixcbj5mivz-python3-3.13.4/bin/python3
shell : /nix/store/94lg0shvsfc845zy8gnflvpqxxiyijbz-bash-interactive-5.2p37/bin/bash
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
The `manpage_target` variable isn't used at all, and the `manpage_path`
variable is only used in a single location. Remove the former variable
and inline the latter.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
The summary of auto-detected features prints a boolean for every option
to tell the user whether or not the feature has been auto-enabled or
not. This summary can be improved though, as in some cases this boolean
is derived from a dependency. So if we pass in the dependency directly,
then Meson knows to both print a boolean and, if the dependency was
found, it also prints a version number.
Adapt the code accordingly and enable `bool_yn` so that actual booleans
are formatted similarly to dependencies. Before this change:
Auto-detected features
benchmarks : true
curl : true
expat : true
gettext : true
gitweb : true
iconv : true
pcre2 : true
perl : true
python : true
And after this change, we now see the version numbers as expected:
Auto-detected features
benchmarks : YES
curl : YES 8.14.1
expat : YES 2.7.1
gettext : YES
gitweb : YES
iconv : YES
pcre2 : YES 10.44
perl : YES
python : YES
Note that this change also enables colorization of the boolean options,
green for "YES" and red for "NO".
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
The value for the 'https' backend option is printed twice: once via the
summary of auto-detected features and once via our summary of backends.
Drop it from the former summary.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
When Python features are enabled we search both for a native and
non-native version of Python. This is wrong though: we don't use Python
in our build process, so there is no need to search for it in the first
place.
There is one location where we use the native version of Python, namely
when deciding whether or not we want to wire up git-p4(1). This check is
invalid though, as we shouldn't check for the build host to have Python,
but for the target host.
Fix this invalid check to use the non-native version of Python and stop
searching for a native version of Python altogether.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
When two remotes collide in the destinations of their fetch refspecs,
the results can be confusing. For example, in this silly example:
git config remote.one.url [...]
git config remote.one.fetch +refs/heads/*:refs/remotes/collide/*
git config remote.two.url [...]
git config remote.two.fetch +refs/heads/*:refs/remotes/collide/*
git fetch --all
we may try to write to the same ref twice (once for each remote we're
fetching). There's also a more subtle version of this. If you have
remotes "outer/inner" and "outer", then the ref "inner/branch" on the
second remote will conflict with just "branch" on the former (they both
want to write to "refs/remotes/outer/inner/branch").
We probably don't want to forbid this kind of overlap completely. While
the results can be confusing, there are legitimate reasons to have
multiple refs write into the same namespace (e.g., if one is a "backup"
of the other that is rarely fetched from).
But it may be worth limiting the porcelain "git remote" command to avoid
this confusion. The example above cannot be done with "git remote",
because it always[1] matches the refspecs to the remote name, and you
can only have one instance of each remote name. But you can still
trigger the more subtle variant like this:
git remote add outer [...]
git remote add outer/inner [...]
So let's detect that kind of name collision (in both directions) and
forbid it. You can still do whatever you like by manipulating the config
directly, but this should prevent the most obvious foot-gun.
[1] Almost always. With the --mirror option, the resulting refspec will
just write into "refs/*"; the remote name does not appear in the ref
namespace at all.
Our new "names must not overlap" rule is not necessary for that
case, but it seems reasonable to enforce it consistently. We already
require all remote names to be valid in the ref namespace, even
though we won't ever use them in that context for --mirror remotes.
Likewise, our new rule doesn't help with overlap here. Any two
mirror remotes will always overlap (in fact, any mirror remote along
with any other single one, since refs/remotes/ is a subset of the
mirrored refs). I'm not sure this is worth worrying about, but if it
is, we'd want an additional rule like "mirror remotes must be the
only remote".
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
"git push" and "git fetch" are taught to update refs in batches to
gain performance.
* kn/fetch-push-bulk-ref-update:
receive-pack: handle reference deletions separately
refs/files: skip updates with errors in batched updates
receive-pack: use batched reference updates
send-pack: fix memory leak around duplicate refs
fetch: use batched reference updates
refs: add function to translate errors to strings
|
|
* maint-2.50:
t: avoid git config syntax from newer releases
Documentation/RelNotes: use .adoc extension for new security releases
|
|
* maint-2.49:
t: avoid git config syntax from newer releases
|
|
* maint-2.48:
t: avoid git config syntax from newer releases
|
|
* maint-2.47:
t: avoid git config syntax from newer releases
|
|
* maint-2.46:
t: avoid git config syntax from newer releases
|
|
This turns into a no-op merge, since more recent versions of Git
newer than 2.46 track do support the newer "git config" syntax.
* maint-2.45:
t: avoid git config syntax from newer releases
|
|
* maint-2.44:
t: avoid git config syntax from newer releases
|
|
* maint-2.43:
t: avoid git config syntax from newer releases
|
|
maint-2.43
* tz/avoid-newer-config-syntax-in-older-maint-tracks:
t: avoid git config syntax from newer releases
|
|
In a recent security release, 05e9cd64ee (config: quote values
containing CR character, 2025-05-19) added calls to `git config get`,
`git config set`, and `git config unset` which are not present on the
maint-2.43 branch.
These subcommands were added in the following commits, released in
git-2.46.0:
4e51389000 (builtin/config: introduce "get" subcommand, 2024-05-06),
00bbdde141 (builtin/config: introduce "set" subcommand, 2024-05-06),
95ea69c67b (builtin/config: introduce "unset" subcommand, 2024-05-06)
Revert to the previous `git config` syntax for older maintenance
branches.
Signed-off-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
When running t1006 via Meson we receive an error about invalid TAP
format:
$ meson test t1006-cat-file
1/1 t1006-cat-file OK 3.86s 420 subtests passed
stdout: 147: UNKNOWN: c308ae01840d8e620ad554ee5d77fe114dc2d912:path with spaces
stdout: 159: UNKNOWN: 3625298bf5e7c464a7d0e38ea80c2a5b5904d9a3e5b2b025b67f360e09b68dc7:path with spaces
ERROR: Unknown TAP output lines for a supported TAP version.
This is probably a bug in the test; if they are not TAP syntax, prefix them with a #
Ok: 1
Fail: 0
While Meson copes with it alright, it's still annoying to see these
errors on every test run.
The root cause of the broken format is a call to grep(1) that gets
executed outside of a test case, which has been added recently via
9fd38038b9c (t1006: update 'run_tests' to test generic object
specifiers, 2025-06-02). This call is done to determine whether a
subsequent test case is expected to succeed or fail, so it makes sense
to have it execute outside of a test case. But whenever we do that, we
must be extra careful to not generate any output that breaks the TAP
format.
Fix the issue by adding '-q' to the command so that it doesn't print
any matching lines.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
When creating a new reference in the "files" backend we first create the
directory hierarchy for that reference, then create the lockfile for
that reference, and finally rename the lockfile into place. When the
transaction gets aborted we prune the lockfile, but we don't clean up
the directory hierarchy that we may have created for the lockfile.
In some egde cases this can lead to lots of empty directories being
cluttered in the ".git/refs" directory that really serve no purpose at
all. We know to prune such empty directories when packing refs, but that
only patches over the issue.
Improve this by removing empty parents when cleaning up still-locked
references in `files_transaction_cleanup()`. This function is also
called when preparing or committing the transaction, so this change also
helps when not explicitly aborting the transaction.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
The `git pack-refs --auto` flag asks the ref backend to decide for
itself whether or not references need to be repacked. This is done to
ensure that we don't repack in cases where the backend is already in a
good-enough state, which is typically the case for the "reftable"
backend that performs auto-compaction on writes.
As such, we initially only had heuristics in place for the "reftable"
backend. The "files" backend didn't have any heuristics, so we'd repack
loose references every time `git pack-refs --auto` was executed. This
caused excessive repacking with that backend though, which is why we
eventually implemented a heuristic via c3459ae9ef2 (refs/files: use
heuristic to decide whether to repack with `--auto`, 2024-09-04).
The documentation for the `--auto` flag hasn't been updated accordingly
and still claims that we don't have any metrics for the "files" backend.
Update it to reflect the new reality.
Reported-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
* maint-2.49:
Documentation/RelNotes: use .adoc extension for new security releases
|
|
When preparing the latest round of security fixes, we wrote release
notes in v2.43.7, and then successively merged those up through to the
various 'maint' branches.
However, the 2.49 release series is the first to have commit 1f010d6bdf
(doc: use .adoc extension for AsciiDoc files, 2025-01-20). This means
that we should have renamed the new-but-historical release notes from
*.txt to *.adoc during the merge into the 'maint-2.49' branch, but
neglected to do so.
Rename them accordingly to match the convention introduced by
1f010d6bdf. Since the release materials in question here were prepared
before v2.50.0 was tagged, the 'maint' track for that release series is
OK as is.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
|
|
This addresses CVE-2025-46835, Git GUI can create and overwrite a
user's files:
When a user clones an untrusted repository and is tricked into editing
a file located in a maliciously named directory in the repository, then
Git GUI can create and overwrite files for which the user has write
permission.
* js/fix-open-exec-git:
git-gui: sanitize 'exec' arguments: convert new 'cygpath' calls
git-gui: do not mistake command arguments as redirection operators
git-gui: introduce function git_redir for git calls with redirections
git-gui: pass redirections as separate argument to git_read
git-gui: pass redirections as separate argument to _open_stdout_stderr
git-gui: convert git_read*, git_write to be non-variadic
git-gui: use git_read in githook_read
git-gui: break out a separate function git_read_nice
git-gui: remove option --stderr from git_read
git-gui: sanitize 'exec' arguments: background
git-gui: sanitize 'exec' arguments: simple cases
git-gui: treat file names beginning with "|" as relative paths
git-gui: remove git config --list handling for git < 1.5.3
git-gui: remove HEAD detachment implementation for git < 1.5.3
git-gui: remove Tcl 8.4 workaround on 2>@1 redirection
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
|
|
This addresses CVE-2025-46334, Git GUI malicious command injection on
Windows.
A malicious repository can ship versions of sh.exe or typical textconv
filter programs such as astextplain. Due to the unfortunate design of
Tcl on Windows, the search path when looking for an executable always
includes the current directory. The mentioned programs are invoked when
the user selects "Git Bash" or "Browse Files" from the menu.
* ml/replace-auto-execok:
git-gui: override exec and open only on Windows
git-gui: sanitize $PATH on all platforms
git-gui: assure PATH has only absolute elements.
git-gui: cleanup git-bash menu item
git-gui: avoid auto_execok in do_windows_shortcut
git-gui: avoid auto_execok for git-bash menu item
git-gui: remove unused proc is_shellscript
git-gui: remove special treatment of Windows from open_cmd_pipe
git-gui: use only the configured shell
git-gui: make _shellpath usable on startup
git-gui: use [is_Windows], not bad _shellpath
git-gui: _which, only add .exe suffix if not present
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
|
|
This addresses CVE-2025-27613, Gitk can create and truncate a user's
files:
When a user clones an untrusted repository and runs gitk without
additional command arguments, files for which the user has write
permission can be created and truncated. The option "Support per-file
encoding" must have been enabled before in Gitk's Preferences. This
option is disabled by default.
The same happens when "Show origin of this line" is used in the main
window (regardless of whether "Support per-file encoding" is enabled or
not).
* js/fix-open-exec:
gitk: sanitize 'open' arguments: revisit recently updated 'open' calls
gitk: sanitize 'open' arguments: command pipeline
gitk: collect construction of blameargs into a single conditional
gitk: sanitize 'open' arguments: simple commands, readable and writable
gitk: sanitize 'open' arguments: simple commands with redirections
gitk: sanitize 'open' arguments: simple commands
gitk: sanitize 'exec' arguments: redirect to process
gitk: sanitize 'exec' arguments: redirections and background
gitk: sanitize 'exec' arguments: redirections
gitk: sanitize 'exec' arguments: 'eval exec'
gitk: sanitize 'exec' arguments: simple cases
gitk: have callers of diffcmd supply pipe symbol when necessary
gitk: treat file names beginning with "|" as relative paths
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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This addresses CVE-2025-27614, Arbitrary command execution with Gitk:
A Git repository can be crafted in such a way that with some social
engineering a user who has cloned the repository can be tricked into
running any script (e.g., Bourne shell, Perl, Python, ...) supplied by
the attacker by invoking `gitk filename`, where `filename` has a
particular structure. The script is run with the privileges of the user.
* ah/fix-open-with-stdin:
gitk: encode arguments correctly with "open"
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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CI updates.
* cb/ci-freebsd-update-to-14.3:
ci: update FreeBSD image to 14.3
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Doc markup fix.
* jj/doc-branch-markup-fix:
doc: improve formatting in branch section
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When "git daemon" sees a signal while attempting to accept() a new
client, instead of retrying, it skipped it by mistake, which has
been corrected.
* cb/daemon-retry-interrupted-accept:
daemon: correctly handle soft accept() errors in service_loop
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Leakfix.
* jk/fix-leak-send-pack:
send-pack: clean-up even when taking an early exit
send-pack: clean up extra_have oid array
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Remove unnecessary check from "git daemon" code.
* cb/daemon-fd-check-fix:
daemon: remove unnecesary restriction for listener fd
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Updating submodules from the upstream did not work well when
submodule's HEAD is detached, which has been improved.
* jk/submodule-remote-lookup-cleanup:
submodule: look up remotes by URL first
submodule: move get_default_remote_submodule()
submodule--helper: improve logic for fallback remote name
remote: remove the_repository from some functions
dir: move starts_with_dot(_dot)_slash to dir.h
remote: fix tear down of struct remote
remote: remove branch->merge_name and fix branch_release()
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- Use `backticks` for keywords and more complex option
descriptions. The new rendering engine will apply synopsis rules to
these spans.
- Explain possible options in description list instead of in a paragraph.
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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- Use `backticks` for keywords and more complex option
descriptions. The new rendering engine will apply synopsis rules to
these spans.
- In description lists, put each option on its own line, to make them more
searchable and enable automatic translation of the options.
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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- Use _<placeholder>_ instead of <placeholder> in the description
- Use `backticks` for keywords and more complex option
descriptions. The new rendering engine will apply synopsis rules to
these spans.
For all the formats in the form of %(foo), the formatting needs to be
heavier because we not want the parentheses to be rendered as syntax
elements,but as keywords, i.e. we need to circumvent the syntax highlighting
of synopsis. In this particular case, this requires the heavy escaping of
the parts that contain parentheses with ++.
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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- Use _<placeholder>_ instead of <placeholder> in the description
- Use `backticks` for keywords and more complex option
descriptions. The new rendering engine will apply synopsis rules to
these spans.
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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- Fix some malformed synopis of options
- Use _<placeholder>_ instead of <placeholder> in the description
- Use `backticks` for keywords and more complex option
descriptions. The new rendering engine will apply synopsis rules to
these spans.
- Add the '%' sign to the characters of keywords.
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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- Use _<placeholder>_ instead of <placeholder> in the description
- Use `backticks` for keywords and more complex option
descriptions. The new rendering engine will apply synopsis rules to
these spans.
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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format placeholders in italics and keywords in monospace
- Use _<placeholder>_ instead of <placeholder> in the description
- Use `backticks` for keywords and more complex option
descriptions. The new rendering engine will apply synopsis rules to
these spans.
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use `backticks` for commit ranges. The new rendering engine will apply
synopsis rules to these spans.
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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- Switch the synopsis to a synopsis block which will automatically
format placeholders in italics and keywords in monospace
- Use _<placeholder>_ instead of <placeholder> in the description
- Use `backticks` for keywords and more complex option
descriptions. The new rendering engine will apply synopsis rules to
these spans.
We also transform inline descriptions of possible values of option
--decorate into a list, which is more readable and extensible.
Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Detaching the filename string from the tempfile structure used to cause
delete_tempfile() to fail and the temporary file was not cleaned up.
While it's possible to get rid of the allocation and copy from
xstrdup(), it keeps the code symetric with the other branch since
interpolate_path() also allocates and ssh_signing_key_file is freed
in both cases.
The exisiting test was updated to check if the temporary files are
properly deleted. To prevent TMPDIR from leaking into the other tests, a
new subshell is created, however this prevents test_config from working.
The cleanup of the config changed in the subshell is done by
test_unconfig in a call to test_when_finished outside of it.
Helped-by: brian m. carlson <sandals@crustytoothpaste.net>
Helped-by: Patrick Steinhardt <ps@pks.im>
Helped-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: redoste <redoste@redoste.xyz>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The calls to sysctl() assume a 64-bit memory size for the variable
holding the value, but the actual size depends on the key name and
platform, at least for HW_PHYSMEM.
Detect any mismatched reads, and retry with a shorter variable
when needed.
Signed-off-by: Carlo Marcelo Arenas Belón <carenas@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 6aec8d38fdd (t: refactor tests depending on Perl to print data,
2025-04-03) we have changed some of the tests in t4150 to use sed(1)
instead of Perl. One of the conversions is broken though:
sed: -e expression #1, char 41: unterminated `s' command
Curiously enough, the test itself still passes. This is caused by a
sequence of failures:
1. The output of sed(1) is piped into git-update-ref(1), and because
sed(1) is the upstream command we don't notice that it fails.
2. git-update-ref(1) does not receive any input and thus won't create
any references.
3. We then repack the repository with the configured pseudo merges
pattern, but as we didn't create any references the pattern doesn't
match anything.
4. We use `test_pseudo_merges()` to compute the list of pseudo-merges
and write it into a file. This file is empty as there are none.
5. The loop over the pseudo-merges becomes a no-op.
6. The final test succeeds as well because the number of lines in an
empty file is obviously the same as the number of unique lines,
namely zero.
Fix the issue by adding the terminating '|' to the sed(1) command.
Furthermore, make the test a tiny bit more robust by not using it as
part of a pipe.
Reported-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 6aec8d38fdd (t: refactor tests depending on Perl to print data,
2025-04-03) we have changed one of the tests in t4150 to use awk(1)
instead of Perl. The test works, but at least gawk(1) prints a warning
now:
awk: cmd. line:3: warning: escape sequence `\@' treated as plain `@'
Fix this by removing the backslash.
Reported-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Documentation for git-merge incorrectly notes that
tip of the current branch on ascii diagram is C,
while it is actually G (current branch is master,
HEAD on diagram is G).
Additionally diagrams on the page are adjusted
to use spaces instead of tabs, so that they align
regardless of tab size. This is in line with
diagrams on other git documentation pages.
Signed-off-by: Timur Sultanaev <str.write@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit 50dec7c566 ("config.mak.uname: add sysinfo() configuration for
cygwin", 2025-04-17) and later commit 187ce0222f ("configure.ac: upgrade
to a compilation check for sysinfo", 2025-05-19) added a 'sysinfo()'
check to the autoconf build.
The FreeBSD system has an optional sysinfo compatibility library, used
to assist in porting software, which causes the build to fail when it
is installed. The reason for the failure is the lack of '-lsysinfo'
during the linking step.
Several solutions were considered:
- add a 'linking' check to configure.ac in order to determine the
need to link a separate library (-lsysinfo). (This would require
a similar change to meson.build).
- change the order of the preprocessor conditionals in the total_ram()
function in 'builtin/gc.c', so that the *BSD sysctl() function
(in the HAVE_BSD_SYSCTL block) takes priority over the sysinfo()
function (in the HAVE_SYSINFO block).
- suppress the setting of HAVE_SYSINFO when HAVE_BSD_SYSCTL has been
defined (in both configure.ac and meson.build).
The first solution above, while simple, adds unnecessary code (the
sysinfo compat function is likely implemented using sysctl() anyway)
when git is happy to use sysctl() on *BSD systems.
The second solution would only be required by the autoconf and meson
build systems, the Makefile already sets the build variables to the
required values (since they are not 'auto-detected').
Here we opt for the final solution above, since it only requires that
we prioritise the 'auto-detected' build variables in the autoconf and
meson builds.
In order to fix the FreeBSD build, move the sysinfo() check after the
determination of the HAVE_BSD_SYSCTL build variable, suppressing the
setting of HAVE_SYSINFO if HAVE_BSD_SYSCTL is defined. Apply this logic
to both the configure.ac and meson.build file.
[Thanks go to Renato Botelho <garga@FreeBSD.org> for testing this patch
on FreeBSD.]
Tested-by: Renato Botelho <garga@FreeBSD.org>
Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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