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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test portability fix.
* ma/test-libcurl-prereq:
t0211: add missing LIBCURL prereq
t1517: add missing LIBCURL prereq
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Doc updates.
* jc/doc-skip-fetch-all-and-prefetch:
doc: remote.*.skip{DefaultUpdate,FetchAll} stops prefetch
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The interpret-trailers command failed to recognise the end of the
message when the commit log ends in an incomplete line.
* bl/trailers-and-incomplete-last-line-fix:
interpret-trailers: handle message without trailing newline
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Cygwin does have /dev/tty support that is needed by things like
single-key input mode.
* rj/cygwin-has-dev-tty:
config.mak.uname: add HAVE_DEV_TTY to cygwin config section
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In a few corner cases "git diff --exit-code" failed to report
"changes" (e.g., renamed without any content change), which has
been corrected.
* rs/diff-exit-code-fix:
diff: report dirty submodules as changes in builtin_diff()
diff: report copies and renames as changes in run_diff_cmd()
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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CI updates
* jk/ci-linux32-update:
ci: add Ubuntu 16.04 job to GitLab CI
ci: use regular action versions for linux32 job
ci: use more recent linux32 image
ci: unify ubuntu and ubuntu32 dependencies
ci: drop run-docker scripts
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CI started failing completely for linux32 jobs, as the step to
upload failed test directory uses GitHub actions that is deprecated
and is now disabled. Remove the step so at least we will know if
the tests are passing.
* jc/ci-upload-artifact-and-linux32:
ci: remove 'Upload failed tests' directories' step from linux32 jobs
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This reverts commit 41c952ebacf7e3369e7bee721f768114d65e50c4,
reversing changes made to 712d970c0145b95ce655773e7cd1676f09dfd215.
Keeping a known breakage for now is better than introducing new
regression(s).
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Build fix.
* rj/compat-terminal-unused-fix:
compat/terminal: mark parameter of git_terminal_prompt() UNUSED
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Docfix.
* jc/config-doc-update:
git-config.1: fix description of --regexp in synopsis
git-config.1: --get-all description update
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Docfix.
* aa/cat-file-batch-output-doc:
docs: explain the order of output in the batched mode of git-cat-file(1)
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Docfix.
* cl/config-regexp-docfix:
doc: replace 3 dash with correct 2 dash in git-config(1)
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Write down whitespacing rules around C opeators.
* jc/coding-style-c-operator-with-spaces:
CodingGuidelines: spaces around C operators
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A corner case bug in "git stash" was fixed.
* ps/stash-keep-untrack-empty-fix:
builtin/stash: fix `--keep-index --include-untracked` with empty HEAD
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"git verify-pack" and "git index-pack" started dying outside a
repository, which has been corrected.
* ps/index-pack-outside-repo-fix:
builtin/index-pack: fix segfaults when running outside of a repo
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The code forgot to discard unnecessary in-core commit buffer data
for commits that "git log --skip=<number>" traversed but omitted
from the output, which has been corrected.
* jk/free-commit-buffer-of-skipped-commits:
revision: free commit buffers for skipped commits
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In the preceding commits we had to convert the linux32 job to be based
on Ubuntu 20.04 instead of Ubuntu 16.04 due to a limitation in GitHub
Workflows. This was the only job left that still tested against this old
but supported Ubuntu version, and we have no other jobs that test with a
comparatively old Linux distribution.
Add a new job to GitLab CI that tests with Ubuntu 16.04 to cover the
resulting test gap. GitLab doesn't modify Docker images in the same way
GitHub does and thus doesn't fall prey to the same issue. There are two
compatibility issues uncovered by this:
- Ubuntu 16.04 does not support HTTP/2 in Apache. We thus cannot set
`GIT_TEST_HTTPD=true`, which would otherwise cause us to fail when
Apache fails to start.
- Ubuntu 16.04 cannot use recent JGit versions as they depend on a
more recent Java runtime than we have available. We thus disable
installing any kind of optional dependencies that do not come from
the package manager.
These two restrictions are fine though, as we only really care about
whether Git compiles and runs on such old distributions in the first
place.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Doc updates.
* jc/grammo-fixes:
doc: grammofix in git-diff-tree
tutorial: grammofix
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Test fixes.
* jc/tests-no-useless-tee:
tests: drop use of 'tee' that hides exit status
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Doc updates.
* jc/how-to-maintain-updates:
howto-maintain: mention preformatted docs
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"git bundle unbundle" outside a repository triggered a BUG()
unnecessarily, which has been corrected.
* ps/bundle-outside-repo-fix:
bundle: default to SHA1 when reading bundle headers
builtin/bundle: have unbundle check for repo before opening its bundle
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The patch parser in "git patch-id" has been tightened to avoid
getting confused by lines that look like a patch header in the log
message.
cf. <Zqh2T_2RLt0SeKF7@tanuki>
* jc/patch-id:
patch-id: tighten code to detect the patch header
patch-id: rewrite code that detects the beginning of a patch
patch-id: make get_one_patchid() more extensible
patch-id: call flush_current_id() only when needed
t4204: patch-id supports various input format
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Test fix.
* jk/apply-patch-mode-check-fix:
t4129: fix racy index when calling chmod after git-add
apply: canonicalize modes read from patches
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The linux32 job runs inside a docker container with a 32-bit libc, etc.
This breaks any GitHub Actions scripts that are implemented in
javascript, because they ship with their own 64-bit version of Node.js
that's dynamically linked. They'll fail with a message like:
exec /__e/node20/bin/node: no such file or directory
because they can't find the runtime linker.
This hasn't been a problem until recently because we special-case older,
non-javascript versions of these actions for the linux32 job. But it
recently became an issue when our old version of actions/upload-artifact
was deprecated, causing the job to fail. We worked around that in
90f2c7240c (ci: remove 'Upload failed tests' directories' step from
linux32 jobs, 2024-09-09), but it meant a loss of functionality for that
job. And we may eventually run into the same deprecation problem with
actions/checkout, which can't just be removed.
We can solve the linking issue by installing the 64-bit libc and stdc++
packages before doing anything else. Coupled with the switch to a more
recent image in the previous patch, that lets us remove the
special-casing of the action scripts entirely.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The Xenial image we're using was released more than 8 years ago. This is
a problem for using some recent GitHub Actions scripts, as they require
Node.js 20, and all of the binaries they ship need glibc 2.28 or later.
We're not using them yet, but moving forward prepares us for a future
patch which will.
Xenial was actually the last official 32-bit Ubuntu release, but you can
still find i386 images for more recent releases. This patch uses Focal,
which was released in 2020 (and is the oldest one with glibc 2.28).
There are two small downsides here:
- while Xenial is pretty old, it is still in LTS support until April
2026. So there's probably some value in testing with such an old
system, and we're losing that.
- there are no i386 subversion packages in the Focal repository. So we
won't be able to test that (OTOH, we had never tested it until the
previous patch which unified the 32/64-bit dependency code).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The script to install dependencies has two separate entries for 32-bit
and 64-bit Ubuntu systems. This increases the maintenance burden since
both should need roughly the same packages.
That hasn't been too bad so far because we've stayed on the same 32-bit
image since 2017. Trying to move to a newer image revealed several
problems with the linux32 job:
- newer images complain about using "linux32 --32bit i386", due to
seccomp restrictions. We can loosen these with a docker option, but
I don't think running it is even doing anything. We use it only for
pretending to "apt" that we're on a 32-bit machine, but inside the
container image apt is already configured as a 32-bit system (even
though the kernel outside the container is obviously 64-bit). Using
the same apt invocation for both architectures just gets rid of this
call entirely.
- we set DEBIAN_FRONTEND to avoid hanging on packages that ask the
user questions. This wasn't a problem on the old image, but it is on
newer ones. The 64-bit stanza handles this already.
As a bonus, the 64-bit stanza uses "apt -q" instead of redirecting
output to /dev/null. This would have saved me a lot of debugging
time trying to figure out why it was hanging. :)
- the old image seems to have zlib-dev installed by default, but newer
ones do not.
In addition, there were probably many tests being skipped on the 32-bit
build because we didn't have support packages installed (e.g., gpg). Now
we'll run them.
We do need to keep some parts split off just for 64-bit systems: our p4
and lfs installs reference x86_64/amd64 binaries. The downloaded jgit
should work in theory, since it's just a jar file embedded in a shell
script that relies on the system java. But the system java in our image
is too old, so I've left it as 64-bit only for now.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We haven't used these scripts since 4a6e4b9602 (CI: remove Travis CI
support, 2021-11-23), as the GitHub Actions config has support for
directly running jobs within docker containers.
It's possible we might want to resurrect something like this in order to
be more agnostic to the CI platform. But it's not clear exactly what it
would look like. And in the meantime, it's just a maintenance burden as
we make changes to CI config, and is subject to bitrot. In fact it's
already broken; it references ci/install-docker-dependencies.sh, which
went away in 9cdeb34b96 (ci: merge scripts which install dependencies,
2024-04-12).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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After building Git with NO_LIBCURL, we're lacking `git remote-http` and
`git http-fetch`, so when we test that they trace as they should, we're
bound to fail. Add the LIBCURL prereq to those tests.
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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After building Git with NO_LIBCURL, there is no `git remote-http`, so
it's not meaningful to test that it can run outside of a repository.
Indeed, that test will fail. Add the LIBCURL prereq to it.
Signed-off-by: Martin Ågren <martin.agren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Linux32 jobs seem to be getting:
Error: This request has been automatically failed because it uses a
deprecated version of `actions/upload-artifact: v1`. Learn more:
https://github.blog/changelog/2024-02-13-deprecation-notice-v1-and-v2-of-the-artifact-actions/
before doing anything useful. For now, disable the step.
Ever since actions/upload-artifact@v1 got disabled, mentioning the
offending version of it seems to stop anything from happening. At
least this should run the same build and test.
See
https://github.com/git/git/actions/runs/10780030750/job/29894867249
for example.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Back when 7cc91a2f (Add the configuration option skipFetchAll,
2009-11-09) added for the sole purpose of adding skipFetchAll as a
synonym to skipDefaultUpdate, there was no explanation about the
reason why it was needed., but these two configuration variables
mean exactly the same thing.
Also, when we taught the "prefetch" task to "git maintenance" later,
we did make it pay attention to the setting, but we forgot to
document it.
Document these variables as synonyms that collectively implements
the last-one-wins semantics, and also clarify that the prefetch task
is also controlled by this variable.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If neither HAVE_DEV_TTY nor GIT_WINDOWS_NATIVE is set, while compiling
the 'compat/terminal.c' code, then the fallback code calls the system
getpass() function. Unfortunately, this ignores the 'echo' parameter of
the git_terminal_prompt() function, since it has no way to implement that
functionality. This results in a less than optimal user experience on
cygwin, which does not define either of those build flags.
However, cygwin does have a functional '/dev/tty', so that it can build
with HAVE_DEV_TTY and benefit from the improved user experience.
The improved git_terminal_prompt() function that comes with HAVE_DEV_TTY
is used in the git_prompt() function, which in turn is used by the
'git credential', 'git bisect' and 'git help' commands. In addition to
git_terminal_prompt(), read_key_without_echo() is likewise improved and
used by the 'git add -p' command.
While using the 'git credential fill' command, for example:
$ printf "%s\n" protocol=https host=example.com path=git | ./git credential fill
Username for 'https://example.com': user
Password for 'https://user@example.com':
protocol=https
host=example.com
username=user
password=pass
$
The 'user' name is now echoed while typing (the password isn't), where this
wasn't the case before.
When using the auto-correct feature:
$ ./git -c help.autocorrect=prompt fred
WARNING: You called a Git command named 'fred', which does not exist.
Run 'grep' instead [y/N]? n
$ ./git -c help.autocorrect=prompt fred
WARNING: You called a Git command named 'fred', which does not exist.
Run 'grep' instead [y/N]? y
fatal: no pattern given
$
The user can actually see what they are typing at the prompt. Similar
comments apply to 'git bisect':
$ ./git bisect bad master~1
You need to start by "git bisect start"
Do you want me to do it for you [Y/n]? y
status: waiting for both good and bad commits
status: waiting for good commit(s), bad commit known
$ ./git bisect reset
Already on 'master-tmp'
$
$ ./git bisect start
status: waiting for both good and bad commits
$ ./git bisect bad master~1
status: waiting for good commit(s), bad commit known
$ ./git bisect next
warning: bisecting only with a bad commit
Are you sure [Y/n]? n
$ ./git bisect reset
Already on 'master-tmp'
$
The read_key_without_echo() function leads to a much improved 'git add -p'
command, when the 'interactive.singleKey' configuration is set:
$ cd ..
$ mkdir test-git
$ cd test-git
$ git init -q
$ echo foo >file
$ git add file
$ echo bar >file
$ ../git/git -c interactive.singleKey=true add -p
diff --git a/file b/file
index 257cc56..5716ca5 100644
--- a/file
+++ b/file
@@ -1 +1 @@
-foo
+bar
(1/1) Stage this hunk [y,n,q,a,d,e,p,?]? y
$
Note that, not only is the user input echoed, but that it is immediately
accepted (without having to type <return>) and the program exits with the
hunk staged (in this case) or not.
In order to reap these benefits, set the HAVE_DEV_TTY build flag in the
cygwin configuration section of config.mak.uname.
Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The diff machinery has two ways to detect changes to set the exit code:
Just comparing hashes and comparing blob contents. The latter is needed
if certain changes have to be ignored, e.g. with --ignore-space-change
or --ignore-matching-lines. It's enabled by the diff_options flag
diff_from_contents.
The slower mode as never considered submodules (and subrepos) as changes
with --submodule=diff or --submodule=log, which is inconsistent with
--submodule=short (the default). Fix it.
d7b97b7185 (diff: let external diffs report that changes are
uninteresting, 2024-06-09) set diff_from_contents if external diff
programs are allowed. This is the default e.g. for git diff, and so
that change exposed the inconsistency much more widely.
Reported-by: David Hull <david.hull@friendbuy.com>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The diff machinery has two ways to detect changes to set the exit code:
Just comparing hashes and comparing blob contents. The latter is needed
if certain changes have to be ignored, e.g. with --ignore-space-change
or --ignore-matching-lines. It's enabled by the diff_options flag
diff_from_contents.
The slower mode has never considered copies and renames to be changes,
which is inconsistent with the quicker one. Fix it. Even if we ignore
the file contents (because it's empty or contains only ignored lines),
there's still the meta data change of adding or changing a filename, so
we need to report it in the exit code.
d7b97b7185 (diff: let external diffs report that changes are
uninteresting, 2024-06-09) set diff_from_contents if external diff
programs are allowed. This is the default e.g. for git diff, and so
that change exposed the inconsistency much more widely.
Reported-by: Jorge Luis Martinez Gomez <jol@jol.dev>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When git-interpret-trailers is used to add a trailer to a message that
does not end in a trailing newline, the new trailer is added on the line
immediately following the message instead of as a trailer block
separated from the message by a blank line.
For example, if a message's text was exactly "The subject" with no
trailing newline present, `git interpret-trailers --trailer
my-trailer=true` will result in the following malformed commit message:
The subject
my-trailer: true
While it is generally expected that a commit message should end with a
newline character, git-interpret-trailers should not be returning an
invalid message in this case.
Use `strbuf_complete_line` to ensure that the message ends with a
newline character when reading the input.
Signed-off-by: Brian Lyles <brianmlyles@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It was reported that git-verify-pack(1) has started to crash with Git
v2.46.0 when run outside of a repository. This is another fallout from
c8aed5e8da (repository: stop setting SHA1 as the default object hash,
2024-05-07), where we have stopped setting the default hash algorithm
for `the_repository`. Consequently, code that relies on `the_hash_algo`
will now crash when it hasn't explicitly been initialized, which may be
the case when running outside of a Git repository.
The crash is not in git-verify-pack(1) but instead in git-index-pack(1),
which gets called by the former. Ideally, both of these programs should
be able to identify the hash algorithm used by the packfile and index
without having to rely on external information. But unfortunately, the
format for neither of them is completely self-describing, so it is not
possible to derive that information. This is a design issue that we
should address by introducing a new packfile version that encodes its
object hash.
For now though the more important fix is to not make either of these
programs crash anymore, which we do by falling back to SHA1 when the
object hash is unconfigured. This pessimizes reading packfiles which
use a different hash than SHA1, but restores previous behaviour.
Reported-by: Ilya K <me@0upti.me>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If neither HAVE_DEV_TTY nor GIT_WINDOWS_NATIVE is set, the fallback
code calls the system getpass(). This unfortunately ignores the "echo"
boolean parameter, as we have no way to implement that functionality.
But we still have to keep the unused parameter, since our interface
has to match the other implementations.
Co-authored-by: Jeff King <peff@peff.net>
Signed-off-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In git-log we leave the save_commit_buffer flag set to "1", which tells
the commit parsing code to store the object content after it has parsed
it to find parents, tree, etc. That lets us reuse the contents for
pretty-printing the commit in the output. And then after printing each
commit, we call free_commit_buffer(), since we don't need it anymore.
But some options may cause us to traverse commits which are not part of
the output. And so git-log does not see them at all, and doesn't free
them. One such case is something like:
git log -n 1000 --skip=1000000
which will churn through a million commits, before showing only a
thousand. We loop through these inside get_revision(), without freeing
the contents. As a result, we end up storing the object data for those
million commits simultaneously.
We should free the stored buffers (if any) for those commits as we skip
over them, which is what this patch does. Running the above command in
linux.git drops the peak heap usage from ~1.1GB to ~200MB, according to
valgrind/massif. (I thought we might get an even bigger improvement, but
the remaining memory is going to commit/tree structs, which we do hold
on to forever).
Note that this problem doesn't occur if:
- you're running a git-rev-list without a --format parameter; it turns
off save_commit_buffer by default, since it only output the object
id
- you've built a commit-graph file, since in that case we'd use the
optimized graph data instead of the initial parse, and then do a
lazy parse for commits we're actually going to output
There are probably some other option combinations that can likewise
end up with useless stored commit buffers. For example, if you ask for
"foo..bar", then we'll have to walk down to the merge base, and
everything on the "foo" side won't be shown. Tuning the "save" behavior
to handle that might be tricky (I guess maybe drop buffers for anything
we mark as UNINTERESTING?). And in the long run, the right solution here
is probably to make sure the commit-graph is built (since it fixes the
memory problem _and_ drastically reduces CPU usage).
But since this "--skip" case is an easy one-liner, it's worth fixing in
the meantime. It should be OK to make this call even if there is no
saved buffer (e.g., because save_commit_buffer=0, or because a
commit-graph was used), since it's O(1) to look up the buffer and is a
noop if it isn't present. I verified by running the above command after
"git commit-graph write --reachable", and it takes the same time with
and without this patch.
Reported-by: Yuri Karnilaev <karnilaev@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The synopsis says --regexp=<regexp> but the --regexp option is a
Boolean that says "the name given is not literal, but a pattern to
match the name".
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git config --get-all foo.bar" shows all values for the foo.bar
variable, but does not give the variable name in each output entry.
Hence it is equivalent to "git config get --all foo.bar", without
"--show-names", in the more modern syntax.
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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"git rev-list ... | git diff-tree -p --remerge-diff --stdin" should
behave more or less like "git log -p --remerge-diff" but instead it
crashed, forgetting to prepare a temporary object store needed.
* xx/diff-tree-remerge-diff-fix:
diff-tree: fix crash when used with --remerge-diff
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Unit test simplification.
* rs/t-example-simplify:
t-example-decorate: remove test messages
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Follow-up on 2.45.1 regression fix.
* jc/safe-directory:
safe.directory: setting safe.directory="." allows the "current" directory
safe.directory: normalize the configured path
safe.directory: normalize the checked path
safe.directory: preliminary clean-up
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Doc update.
* jc/document-use-of-local:
doc: note that AT&T ksh does not work with our test suite
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Code clean-up.
* rs/use-decimal-width:
log-tree: use decimal_width()
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