| Age | Commit message (Collapse) | Author | Files | Lines |
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"git fetch" from a configured remote learned to update a missing
remote-tracking HEAD but it asked the remote about their HEAD even
when it did not need to, which has been corrected. Incidentally,
this also corrects "git fetch --tags $URL" which was broken by the
new feature in an unspecified way.
* jc/set-head-symref-fix:
fetch: do not ask for HEAD unnecessarily
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When "git fetch $remote" notices that refs/remotes/$remote/HEAD is
missing and discovers what branch the other side points with its
HEAD, refs/remotes/$remote/HEAD is updated to point to it.
* bf/set-head-symref:
fetch set_head: handle mirrored bare repositories
fetch: set remote/HEAD if it does not exist
refs: add create_only option to refs_update_symref_extended
refs: add TRANSACTION_CREATE_EXISTS error
remote set-head: better output for --auto
remote set-head: refactor for readability
refs: atomically record overwritten ref in update_symref
refs: standardize output of refs_read_symbolic_ref
t/t5505-remote: test failure of set-head
t/t5505-remote: set default branch to main
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Avoid calling malloc + memset by calling calloc.
Signed-off-by: Seija Kijin <doremylover123@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit 44f9fd6496 (pack-bitmap.c: check preferred pack validity when
opening MIDX bitmap, 2022-05-24) prevents a race condition whereby the
preferred pack disappears between opening the MIDX bitmap and attempting
verbatim reuse out of its packs.
That commit forces open_midx_bitmap_1() to ensure the validity of the
MIDX's preferred pack, meaning that we have an open file handle on the
*.pack, ensuring that we can reuse bytes out of verbatim later on in the
process[^1].
But 44f9fd6496 was not extended to cover multi-pack reuse, meaning that
this same race condition exists for non-preferred packs during verbatim
reuse. Work around that race in the same way by only marking valid packs
as reuse-able. For packs that aren't reusable, skip over them but
include the number of objects they have to ensure we allocate a large
enough 'reuse' bitmap (e.g. if a pack in the middle of the MIDX
disappeared but we still want to reuse later packs).
Since we're ensuring the validity of these packs within the verbatim
reuse code, we no longer have to special-case the preferred pack and
open it within the open_midx_bitmap_1() function.
An alternative approach to the one taken here would be to open all
MIDX'd packs from within open_midx_bitmap_1(). But that would be both
slower and make the bitmaps less useful, since we can still perform some
pack reuse among the packs that still exist when the *.bitmap is opened.
After applying this patch, we can simulate the new behavior after
instrumenting Git like so:
diff --git a/packfile.c b/packfile.c
index 9560f0a33c..aedce72524 100644
--- a/packfile.c
+++ b/packfile.c
@@ -557,6 +557,11 @@ static int open_packed_git_1(struct packed_git *p)
; /* nothing */
p->pack_fd = git_open(p->pack_name);
+ {
+ const char *delete = getenv("GIT_RACILY_DELETE");
+ if (delete && !strcmp(delete, pack_basename(p)))
+ return -1;
+ }
if (p->pack_fd < 0 || fstat(p->pack_fd, &st))
return -1;
pack_open_fds++;
and adding the following test:
test_expect_success 'disappearing packs' '
git init disappearing-packs &&
(
cd disappearing-packs &&
git config pack.allowPackReuse multi &&
test_commit A &&
test_commit B &&
test_commit C &&
A="$(echo "A" | git pack-objects --revs $packdir/pack-A)" &&
B="$(echo "A..B" | git pack-objects --revs $packdir/pack-B)" &&
C="$(echo "B..C" | git pack-objects --revs $packdir/pack-C)" &&
git multi-pack-index write --bitmap --preferred-pack=pack-A-$A.idx &&
test_pack_objects_reused_all 9 3 &&
test_env GIT_RACILY_DELETE=pack-A-$A.pack \
test_pack_objects_reused_all 6 2 &&
test_env GIT_RACILY_DELETE=pack-B-$B.pack \
test_pack_objects_reused_all 6 2 &&
test_env GIT_RACILY_DELETE=pack-C-$C.pack \
test_pack_objects_reused_all 6 2
)
'
Note that we could relax the single-pack version of this which was most
recently addressed in dc1daacdcc (pack-bitmap: check pack validity when
opening bitmap, 2021-07-23), but only partially. Because we still need
to know the object count in the pack, we'd still have to open the pack's
*.idx, so the savings there are marginal.
Note likewise that we add a new "if (!packs_nr)" early return in the
pack reuse code to avoid a potentially expensive allocation on the
'reuse' bitmap in the case that no packs are available for reuse.
[^1]: Unless we run out of open file handles. If that happens and we are
forced to close the only open file handle of a file that has been
removed from underneath us, there is nothing we can do.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Commit a38edab7c8 (Makefile: generate doc versions via GIT-VERSION-GEN,
2024-12-06) moved these variables from the Makefile to asciidoc.conf.in.
When doing so, some extraneous quotes were added; these are visible in
the generated .xml files, at least, and possibly in other locations:
--- a/tmp/orig-git-bisect.xml
+++ b/Documentation/git-bisect.xml
@@ -5,14 +5,14 @@
<refentry lang="en">
<refentryinfo>
<title>git-bisect(1)</title>
- <date>2024-12-06</date>
-<revhistory><revision><date>2024-12-06</date></revision></revhistory>
+ <date>'2024-12-06'</date>^M
+<revhistory><revision><date>'2024-12-06'</date></revision></revhistory>^M
</refentryinfo>
<refmeta>
<refentrytitle>git-bisect</refentrytitle>
<manvolnum>1</manvolnum>
-<refmiscinfo class="source">Git 2.47.1.409.g9bb10d27e7</refmiscinfo>
-<refmiscinfo class="manual">Git Manual</refmiscinfo>
+<refmiscinfo class="source">'Git 2.47.1.410.ga38edab7c8'</refmiscinfo>^M
+<refmiscinfo class="manual">'Git Manual'</refmiscinfo>^M
</refmeta>
<refnamediv>
<refname>git-bisect</refname>
Signed-off-by: Kyle Lippincott <spectral@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* 'master' of https://github.com/j6t/gitk:
gitk: offer "Copy commit ID to X11 selection" only on X11
gitk: support auto-copy comit ID to primary clipboard
gitk: prefs dialog: refine Auto-select UI
gitk: UI text: change "SHA1 ID" to "Commit ID"
gitk: add text wrapping preferences
gitk: make headings of preferences bold
gitk: check main window visibility before waiting for it to show
gitk: sv.po: Update Swedish translation (323t)
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* ah/commit-id-to-clipboard:
gitk: offer "Copy commit ID to X11 selection" only on X11
gitk: support auto-copy comit ID to primary clipboard
gitk: prefs dialog: refine Auto-select UI
gitk: UI text: change "SHA1 ID" to "Commit ID"
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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When the `vcxproj` target was introduced in `config.mak.uname` to allow
building Git with the Visual C toolchain, the `git remote-ext` command
was always executed in its dashed form. Therefore, it was impossible to
pass the test suite unless that command existed in its dashed form, and
we had to special-case this.
Later, when the `vcxproj` target got out of fashion because Visual
Studio gained native support for CMake builds, this special-casing was
copied without questioning it.
But as of 675df192c5f (transport-helper: do not run git-remote-ext etc.
in dashed form, 2020-08-26), the reason for this special-casing no
longer exists. So let's just drop it.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In ccfba9e0c45 (Makefile: use "generate-perl.sh" to massage Perl
library, 2024-12-06), the previous strategy (which avoided spawning a
shell script to transform the files) was replaced by the same
`generate-perl.sh` invocation as for the Makefile-based build.
The only difference is that now the transformation tries to handle the
Perl modules in-place (which ends up in empty files because the same
file is used as input and output via stdin/stdout redirection), and the
Perl script cannot find them anymore because they are not in the
expected place.
Let's put them into the expected place again, i.e. into
`perl/build/lib/` instead of `perl/`.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In e4b488049a5 (Makefile: extract script to massage Perl scripts,
2024-12-06), the code was refactored that is used to transform the Perl
scripts/modules to their final form.
Even the CMake-based build was adjusted, but the change used the file
name `PERL-HEADER` instead of the file name used by the Makefile-based
build (same name but with the `GIT-` prefix). Let's adjust the former to
the latter.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 7e0730c8baa (t: better support for out-of-tree builds, 2024-12-06)
the strategy was changed from letting `t7609-mergetool--lib.sh`
hard-code the directory where it expects to find the merge tools to
hard-coding that value in the placeholder `@GIT_TEST_MERGE_TOOLS_DIR@`
that is replaced during the build.
However, likely due to a copy/paste mistake (and reviewers missed this,
too), the CMake-based build was adjusted incorrectly, replacing that
placeholder not with the path to the merge tools, but with a Boolean
indicating whether to use a runtime-generated path prefix or not.
Let's fix that, addressing this CMake-build's symptom:
Initialized empty Git repository in D:/a/git/git/t/trash directory.t7609-mergetool--lib/.git/
++ . true/vimdiff
./test-lib.sh: line 1021: true/vimdiff: No such file or directory
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 7e0730c8baa (t: better support for out-of-tree builds, 2024-12-06),
the `bin-wrappers/` strategy was changed so that it no longer hard-codes
the template directory to be `@BUILD_DIR@/templates/blt`, but instead
interpolates the `@TEMPLATE_DIR@` placeholder during the build.
However, this commit only adjusted the `Makefile`-based build.
Let's adjust the CMake-based build as well. This fixes t0000.15 which
would otherwise fail with:
++ echo ''\''t1234-verbose/err'\'' is not empty, it contains:'
't1234-verbose/err' is not empty, it contains:
++ cat t1234-verbose/err
warning: templates not found in @TEMPLATE_DIR@
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It used to be the case that initializing the minimal SDK (i.e. a
radically slimmed-down subset of Git for Windows' development
environment intended to perform the CI builds and little else) took
a bit over one minute, would then be cached, and subsequent jobs would
take at most half a dozen seconds to initialize said minimal SDK.
It is important that this step is fast because we have to run the test
suite in parallel, in a set of matrix jobs, to offset the slowness of
the shell-based test suite, and each and every job has to initialize the
very same minimal SDK.
While it may sound as if parallelizing the jobs might only waste the
generously-provided build minutes but at least the _wallclock_ time
would pass quick, in reality it matters a lot: Frequently Git for
Windows' or GitGitGadget PRs get stuck waiting for quite a while before
CI builds start because other PRs' builds still spend substantial
amounts of time to run, blocking due to the concurrency limit being
reached.
Since 91839a88277 (ci: create script to set up Git for Windows SDK,
2024-10-09), the situation has worsened: every job that requires the
minimal Git for Windows SDK spends roughly two-and-a-half minutes doing
so.
With the switch away from the GitHub Action `setup-git-for-windows-sdk`,
we incurred more downsides:
- It is no longer possible for said Action to fix problems independently
from the Git repository, e.g. when new rules about GitHub Actions
require changes in the way the minimal SDK is initialized.
- The minimal SDK was installed specifically outside of the worktree so
as not to clutter it nor incur an additional cost to verify that the
worktree is clean.
Therefore, even if it would be nice to have a shared process between
GitHub and GitLab based CI builds, let's switch the GitHub-based CI back
to the tried-and-tested `setup-git-for-windows-sdk` Action.
This commit partially reverts 91839a88277 (ci: create script to set up
Git for Windows SDK, 2024-10-09).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 391bceae435 (compat/mingw: support POSIX semantics for atomic
renames, 2024-10-27), we taught the `mingw_rename()` function to respect
POSIX semantics, but we did so only as a fallback after `_wrename()`
fails.
This hid a bug in the implementation that was not caught by Git's test
suite: The `CreateFileW()` function _can_ open handles to directories,
but not when asked to use the `FILE_ATTRIBUTE_NORMAL` flag, as that flag
only is allowed for files.
Let's fix this by using the common `FILE_FLAG_BACKUP_SEMANTICS` flag
that can be used for opening handles to directories, too.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `git refs migrate` command was introduced in
25a0023f28 (builtin/refs: new command to migrate ref storage formats,
2024-06-06) to support migrating from one reference backend to another.
One limitation of the command was that it didn't support migrating
repositories which contained reflogs. A previous commit, added support
for adding reflog updates in ref transactions. Using the added
functionality bake in reflog support for `git refs migrate`.
To ensure that the order of the reflogs is maintained during the
migration, we add the index for each reflog update as we iterate over
the reflogs from the old reference backend. This is to ensure that the
order is maintained in the new backend.
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 reference transaction only allows a single update for a given
reference to avoid conflicts. This, however, isn't an issue for reflogs.
There are no conflicts to be resolved in reflogs and when migrating
reflogs between backends we'd have multiple reflog entries for the same
refname.
So allow multiple reflog updates within a single transaction. Also the
reflog creation logic isn't exposed to the end user. While this might
change in the future, currently, this reduces the scope of issues to
think about.
In the reftable backend, the writer sorts all updates based on the
update_index before writing to the block. When there are multiple
reflogs for a given refname, it is essential that the order of the
reflogs is maintained. So add the `index` value to the `update_index`.
The `index` field is only set when multiple reflog entries for a given
refname are added and as such in most scenarios the old behavior
remains.
This is required to add reflog migration support to `git refs migrate`.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Introduce a new function `ref_transaction_update_reflog`, for clients to
add a reflog update to a transaction. While the existing function
`ref_transaction_update` also allows clients to add a reflog entry, this
function does a few things more, It:
- Enforces that only a reflog entry is added and does not update the
ref itself.
- Allows the users to also provide the committer information. This
means clients can add reflog entries with custom committer
information.
The `transaction_refname_valid()` function also modifies the error
message selectively based on the type of the update. This change also
affects reflog updates which go through `ref_transaction_update()`.
A follow up commit will utilize this function to add reflog support to
`git refs migrate`.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `ref_transaction_add_update()` creates the `ref_update` struct. To
facilitate addition of reflogs in the next commit, the function needs to
accommodate setting the `committer_info` field in the struct. So modify
the function to also take `committer_info` as an argument and set it
accordingly.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Unless the `REF_SKIP_REFNAME_VERIFICATION` flag is set for an update,
the refname of the update is verified for:
- Ensuring it is not a pseudoref.
- Checking the refname format.
These checks will also be needed in a following commit where the
function to add reflog updates to the transaction is introduced. Extract
the code out into a new static function.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When refs are updated in the files-backend, a lock is obtained for the
corresponding file path. This is the case even for reflogs, i.e. a lock
is obtained on the reference path instead of the reflog path. This
works, since generally, reflogs are updated alongside the ref.
The upcoming patches will add support for reflog updates in ref
transaction. This means, in a particular transaction we want to have ref
updates and reflog updates. For a given ref in a given transaction there
can be at most one update. But we can theoretically have multiple reflog
updates for a given ref in a given transaction. A great example of this
would be when migrating reflogs from one backend to another. There we
would batch all the reflog updates for a given reference in a single
transaction.
The current flow does not support this, because currently refs & reflogs
are treated as a single entity and capture the lock together. To
separate this, add a count field to ref_lock. With this, multiple
updates can hold onto a single ref_lock and the lock will only be
released when all of them release the lock.
This patch only adds the `count` field to `ref_lock` and adds the logic
to increment and decrement the lock. In a follow up commit, we'll
separate the reflog update logic from ref updates and utilize this
functionality.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The reftable backend, sorts its updates by refname before applying them,
this ensures that the references are stored sorted. When migrating
reflogs from one backend to another, the order of the reflogs must be
maintained. Add a new `index` field to the `ref_update` struct to
facilitate this.
This field is used in the reftable backend's sort comparison function
`transaction_update_cmp`, to ensure that indexed fields maintain their
order.
Signed-off-by: Karthik Nayak <karthik.188@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The reference backends obtain the committer information from
`git_committer_info(0)` when adding a reflog. The upcoming patches
introduce support for migrating reflogs between the reference backends.
This requires an interface to creating reflogs, including custom
committer information.
Add a new field `committer_info` to the `ref_update` struct, which is
then used by the reference backends. If there is no `committer_info`
provided, the reference backends default to using
`git_committer_info(0)`. The field itself cannot be set to
`git_committer_info(0)` since the values are dynamic and must be
obtained right when the reflog is being committed.
Signed-off-by: Karthik Nayak <karthik.188@gmail.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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Just like `git log`, now also `git range-diff` has that option as a
shortcut for the common operation that would otherwise require the quite
unwieldy (if theoretically "more correct") `--diff-mode=remerge` option.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `git log` command already offers support for including diffs for
merges, via the `--diff-merges=<format>` option.
Let's add corresponding support for `git range-diff`, too. This makes it
more convenient to spot differences between commit ranges that contain
merges.
This is especially true in scenarios with non-trivial merges, i.e.
merges introducing changes other than, or in addition to, what merge ORT
would have produced. Merging a topic branch that changes a function
signature into a branch that added a caller of that function, for
example, would require the merge commit itself to adjust that caller to
the modified signature.
In my code reviews, I found the `--diff-merges=remerge` option
particularly useful.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* js/log-remerge-keep-ancestry:
log: --remerge-diff needs to keep around commit parents
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Build procedure update plus introduction of Meson based builds.
* ps/build: (24 commits)
Introduce support for the Meson build system
Documentation: add comparison of build systems
t: allow overriding build dir
t: better support for out-of-tree builds
Documentation: extract script to generate a list of mergetools
Documentation: teach "cmd-list.perl" about out-of-tree builds
Documentation: allow sourcing generated includes from separate dir
Makefile: simplify building of templates
Makefile: write absolute program path into bin-wrappers
Makefile: allow "bin-wrappers/" directory to exist
Makefile: refactor generators to be PWD-independent
Makefile: extract script to generate gitweb.js
Makefile: extract script to generate gitweb.cgi
Makefile: extract script to massage Python scripts
Makefile: extract script to massage Shell scripts
Makefile: use "generate-perl.sh" to massage Perl library
Makefile: extract script to massage Perl scripts
Makefile: consistently use PERL_PATH
Makefile: generate doc versions via GIT-VERSION-GEN
Makefile: generate "git.rc" via GIT-VERSION-GEN
...
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Fix performance regression of a recent "fatten promisor pack with
local objects" protection against an unwanted gc.
* jt/fix-fattening-promisor-fetch:
index-pack --promisor: also check commits' trees
index-pack --promisor: don't check blobs
index-pack --promisor: dedup before checking links
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The syntax ":/<text>" to name the latest commit with the matching
text was broken with a recent change, which has been corrected.
* ps/commit-with-message-syntax-fix:
object-name: fix reversed ordering with ":/<text>" revisions
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Correct strvec_splice() that misbehaved when the strvec is empty.
* rj/strvec-splice-fix:
strvec: `strvec_splice()` to a statically initialized vector
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The advice messages now tell the newer 'git config set' command to
set the advice.token configuration variable to squelch a message.
* bf/explicit-config-set-in-advice-messages:
advice: suggest using subcommand "git config set"
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"git tag" has been taught to refuse to create refs/tags/HEAD
as such a tag will be confusing in the context of UI provided by
the Git Porcelain commands.
* jc/forbid-head-as-tagname:
tag: "git tag" refuses to use HEAD as a tagname
t5604: do not expect that HEAD can be a valid tagname
refs: drop strbuf_ prefix from helpers
refs: move ref name helpers around
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"git describe" optimization.
* jk/describe-perf:
describe: split "found all tags" and max_candidates logic
describe: stop traversing when we run out of names
describe: stop digging for max_candidates+1
t/perf: add tests for git-describe
t6120: demonstrate weakness in disjoint-root handling
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* kn/reftable-writer-log-write-verify:
reftable/writer: ensure valid range for log's update_index
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This option is only useful where a selection clipboard is available, which
is only the case on X11. Do not clutter the UI in other environments.
Signed-off-by: Johannes Sixt <j6t@kdbg.org>
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The --ancestry-path option is designed to be given a commit that is
on the path, which was not documented, which has been corrected.
* kk/doc-ancestry-path:
doc: mention rev-list --ancestry-path restrictions
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Yet another "pass the repository through the callchain" topic.
* kn/midx-wo-the-repository:
midx: inline the `MIDX_MIN_SIZE` definition
midx: pass down `hash_algo` to functions using global variables
midx: pass `repository` to `load_multi_pack_index`
midx: cleanup internal usage of `the_repository` and `the_hash_algo`
midx-write: pass down repository to `write_midx_file[_only]`
write-midx: add repository field to `write_midx_context`
midx-write: use `revs->repo` inside `read_refs_snapshot`
midx-write: pass down repository to static functions
packfile.c: remove unnecessary prepare_packed_git() call
midx: add repository to `multi_pack_index` struct
config: make `packed_git_(limit|window_size)` non-global variables
config: make `delta_base_cache_limit` a non-global variable
packfile: pass down repository to `for_each_packed_object`
packfile: pass down repository to `has_object[_kept]_pack`
packfile: pass down repository to `odb_pack_name`
packfile: pass `repository` to static function in the file
packfile: use `repository` from `packed_git` directly
packfile: add repository to struct `packed_git`
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Introduce a new repository extension to prevent older Git versions
from mis-interpreting worktrees created with relative paths.
* cw/worktree-extension:
worktree: refactor `repair_worktree_after_gitdir_move()`
worktree: add relative cli/config options to `repair` command
worktree: add relative cli/config options to `move` command
worktree: add relative cli/config options to `add` command
worktree: add `write_worktree_linking_files()` function
worktree: refactor infer_backlink return
worktree: add `relativeWorktrees` extension
setup: correctly reinitialize repository version
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Backport oss-fuzz tests for us to our codebase.
* es/oss-fuzz:
fuzz: port fuzz-url-decode-mem from OSS-Fuzz
fuzz: port fuzz-parse-attr-line from OSS-Fuzz
fuzz: port fuzz-credential-from-url-gently from OSS-Fuzz
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"git fast-import" learned to reject paths with ".." and "." as
their components to avoid creating invalid tree objects.
* en/fast-import-verify-path:
t9300: test verification of renamed paths
fast-import: disallow more path components
fast-import: disallow "." and ".." path components
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Grammofix.
* kh/doc-update-ref-grammofix:
Documentation/git-update-ref.txt: add missing word
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Typofix.
* kh/doc-bundle-typofix:
Documentation/git-bundle.txt: fix word join typo
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Developer documentation update.
* jc/doc-error-message-guidelines:
CodingGuidelines: a handful of error message guidelines
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"git bundle --unbundle" and "git clone" running on a bundle file
both learned to trigger fsck over the new objects with configurable
fck check levels.
* jt/bundle-fsck:
transport: propagate fsck configuration during bundle fetch
fetch-pack: split out fsck config parsing
bundle: support fsck message configuration
bundle: add bundle verification options type
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To show a remerge diff, the merge needs to be recreated. For that to
work, the merge base(s) need to be found, which means that the commits'
parents have to be traversed until common ancestors are found (if any).
However, one optimization that hails all the way back to cb115748ec0d
(Some more memory leak avoidance, 2006-06-17) is to release the commit's
list of parents immediately after showing it _and to set that parent
list to `NULL`_. This can break the merge base computation.
This problem is most obvious when traversing the commits in reverse: In
that instance, if a parent of a merge commit has been shown as part of
the `git log` command, by the time the merge commit's diff needs to be
computed, that parent commit's list of parent commits will have been set
to `NULL` and as a result no merge base will be found (even if one
should be found).
Traversing commits in reverse is far from the only circumstance in which
this problem occurs, though. There are many avenues to traversing at
least one commit in the revision walk that will later be part of a merge
base computation, for example when not even walking any revisions in
`git show <merge1> <merge2>` where `<merge1>` is part of the commit
graph between the parents of `<merge2>`.
Another way to force a scenario where a commit is traversed before it
has to be traversed again as part of a merge base computation is to
start with two revisions (where the first one is reachable from the
second but not in a first-parent ancestry) and show the commit log with
`--topo-order` and `--first-parent`.
Let's fix this by special-casing the `remerge_diff` mode, similar to
what we did with reflogs in f35650dff6a4 (log: do not free parents when
walking reflog, 2017-07-07).
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Wire up CI builds for both GitLab and GitHub that use the Meson build
system.
While the setup is mostly trivial, one gotcha is the test output
directory used to be in "t/", but now it is contained in the build
directory. To unify the logic across Makefile- and Meson-based builds we
explicitly set up the `TEST_OUTPUT_DIRECTORY` variable so that it is the
same for both build systems.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Our unit tests that don't yet use the clar unit testing framework ignore
any option that they do not understand. It is thus fine to just pass
test options we set up globally to those unit tests as they are simply
ignored. This makes our life easier because we don't have to special
case those options with Meson, where test options are set up globally
via `meson test --test-args=`.
But our clar-based unit testing framework is way stricter here and will
fail in case it is passed an unknown option. Stub out these options with
no-ops to make our life a bit easier.
Note that this also requires us to remove the `-x` short option for
`--exclude`. This is because `-x` has another meaning in our integration
tests, as it enables shell tracing. I doubt there are a lot of people
out there using it as we only got a small hand full of clar tests in the
first place. So better change it now so that we can in the long run
improve compatibility between the two different test drivers.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Both t9835 and t9836 exercise git-p4, but one exercises Python 2 whereas
the other one uses Python 3. These tests do not exercise "git p4", but
instead they use "git p4.py". This calls the unbuilt version of
"git-p4.py" that still has the "#!/usr/bin/env python" shebang, which
allows the test to modify which Python version comes first in $PATH,
making it possible to force a Python version.
But "git-p4.py" is not in our PATH during out-of-tree builds, and thus
we cannot locate "git-p4.py". The tests thus break with CMake and Meson.
Fix this by instead manually setting up script wrappers that invoke the
respective Python interpreter directly.
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 have introduced consistency checks to Meson
to detect any discrepancies with missing or extraneous tests in its
build instructions. These checks only get executed in Meson though, so
any users of our Makefiles wouldn't be alerted of the fact that they
have to modify the Meson build instructions in case they add or remove
any tests.
Add a comparable test target to our Makefile to plug this gap.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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