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The "disable repository discovery of a bare repository" check,
triggered by setting safe.bareRepository configuration variable to
'explicit', has been loosened to exclude the ".git/" directory inside
a non-bare repository from the check. So you can do "cd .git &&
git cmd" to run a Git command that works on a bare repository without
explicitly specifying $GIT_DIR now.
* kl/allow-working-in-dot-git-in-non-bare-repository:
setup: allow cwd=.git w/ bareRepository=explicit
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"git archive --remote=<remote>" learned to talk over the smart
http (aka stateless) transport.
* jx/remote-archive-over-smart-http:
transport-helper: call do_take_over() in process_connect
transport-helper: call do_take_over() in connect_helper
http-backend: new rpc-service for git-upload-archive
transport-helper: protocol v2 supports upload-archive
remote-curl: supports git-upload-archive service
transport-helper: no connection restriction in connect_helper
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All conditional "advice" messages show how to turn them off, which
becomes repetitive. Setting advice.* configuration explicitly on
now omits the instruction part.
* rj/advice-disable-how-to-disable:
advice: allow disabling the automatic hint in advise_if_enabled()
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"git diff --no-rename A B" did not disable rename detection but did
not trigger an error from the command line parser.
* rs/parse-options-with-keep-unknown-abbrev-fix:
parse-options: simplify positivation handling
parse-options: fully disable option abbreviation with PARSE_OPT_KEEP_UNKNOWN
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GitHub CI update.
* pb/ci-github-skip-logs-for-broken-tests:
ci(github): also skip logs of broken test cases
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The beginning of the [System Info] section, which should match the
"git version --build-options" output, may not identify our version
as "git version 2.whatever". When built in a repository cloned
without tags, for example, "git version unknown.g00000000" can be a
legit version string.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 1df18a1c9a (reftable: honor core.fsync, 2024-01-23), we have added
code to fsync both newly written reftables as well as "tables.list" to
disk. But there are two code paths where "tables.list" is being written:
- When appending a new table due to a normal ref update.
- When compacting a range of tables during compaction.
We have only addressed the former code path, but do not yet sync the new
"tables.list" file in the latter. Fix this omission.
Note that we are not yet adding any tests. These tests will be added
once the "reftable" backend has been upstreamed.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We remove $(UNIT_TEST_PROGS), but that leaves the automatically
generated "bin" dir they reside in. And once we start cleaning that,
there is no point in removing the individual programs, as they'll by
wiped out by the recurse "rm".
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We build the UNIT_TEST_BIN directory (t/unit-tests/bin) on the fly with
"mkdir -p". And so the recipe for UNIT_TEST_PROGS, which put their
output in that directory, depend on UNIT_TEST_BIN to make sure it's
there.
But using a normal dependency leads to weird outcomes, because the
timestamp of the directory is important. For example, try this:
$ make
[...builds everything...]
[now re-build one unit test]
$ touch t/unit-tests/t-ctype.c
$ make
SUBDIR templates
CC t/unit-tests/t-ctype.o
LINK t/unit-tests/bin/t-ctype
So far so good. Now running make again should build nothing. But it
doesn't!
$ make
SUBDIR templates
LINK t/unit-tests/bin/t-basic
LINK t/unit-tests/bin/t-mem-pool
LINK t/unit-tests/bin/t-strbuf
Er, what? Let's rebuild again:
$ make
SUBDIR templates
LINK t/unit-tests/bin/t-ctype
Weird. And now we ping-pong back and forth forever:
$ make
SUBDIR templates
LINK t/unit-tests/bin/t-basic
LINK t/unit-tests/bin/t-mem-pool
LINK t/unit-tests/bin/t-strbuf
$ make
SUBDIR templates
LINK t/unit-tests/bin/t-ctype
What happens is that writing t/unit-tests/bin/t-ctype updates the mtime
of the directory t/unit-tests/bin. And then on the next invocation of
make, all of those other tests are now older and so get rebuilt. And
back and forth forever.
We can fix this by making the directory as part of the build recipe for
the programs, using the template from 0b6d0bc924 (Makefiles: add and use
wildcard "mkdir -p" template, 2022-03-03).
Helped-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Jeff King <peff@peff.net>
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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Coding style fix.
* al/t2400-depipe:
t2400: avoid losing exit status to pipes
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Coding style fix.
* gt/t0024-style-fixes:
t0024: style fix
t0024: avoid losing exit status to pipes
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Rename detection logic ignored the final line of a file if it is an
incomplete line.
* en/diffcore-delta-final-line-fix:
diffcore-delta: avoid ignoring final 'line' of file
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Define "special ref" as a very narrow set that consists of
FETCH_HEAD and MERGE_HEAD, and clarify everything else that used to
be classified as such are actually just pseudorefs.
* ps/not-so-many-refs-are-special:
Documentation: add "special refs" to the glossary
refs: redefine special refs
refs: convert MERGE_AUTOSTASH to become a normal pseudo-ref
sequencer: introduce functions to handle autostashes via refs
refs: convert AUTO_MERGE to become a normal pseudo-ref
sequencer: delete REBASE_HEAD in correct repo when picking commits
sequencer: clean up pseudo refs with REF_NO_DEREF
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oss-fuzz tests are built and run in CI.
* js/oss-fuzz-build-in-ci:
ci: build and run minimal fuzzers in GitHub CI
fuzz: fix fuzz test build rules
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Doc update.
* jc/majordomo-to-subspace:
Docs: majordomo@vger.kernel.org has been decomissioned
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Doc update.
* nb/rebase-x-shell-docfix:
rebase: fix documentation about used shell in -x
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Update to a new feature recently added, "git show-ref --exists".
* tc/show-ref-exists-fix:
builtin/show-ref: treat directory as non-existing in --exists
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Low-level I/O optimization for reftable.
* ps/reftable-optimize-io:
reftable/stack: fix race in up-to-date check
reftable/stack: unconditionally reload stack after commit
reftable/blocksource: use mmap to read tables
reftable/blocksource: refactor code to match our coding style
reftable/stack: use stat info to avoid re-reading stack list
reftable/stack: refactor reloading to use file descriptor
reftable/stack: refactor stack reloading to have common exit path
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This test is leak-free since it was added in e137fe3b29 (unit tests: add
TAP unit test framework, 2023-11-09)
Let's mark it as leak-free to make sure it stays that way (and to reduce
noise when looking for other leak-free scripts after we fix some leaks).
Signed-off-by: Rubén Justo <rjusto@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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TEST_PASSES_SANITIZE_LEAK must be set before sourcing test-lib.sh, as we
say in t/README:
GIT_TEST_PASSING_SANITIZE_LEAK=true skips those tests that haven't
declared themselves as leak-free by setting
"TEST_PASSES_SANITIZE_LEAK=true" before sourcing "test-lib.sh". This
test mode is used by the "linux-leaks" CI target.
GIT_TEST_PASSING_SANITIZE_LEAK=check checks that our
"TEST_PASSES_SANITIZE_LEAK=true" markings are current. Rather than
skipping those tests that haven't set "TEST_PASSES_SANITIZE_LEAK=true"
before sourcing "test-lib.sh" this mode runs them with
"--invert-exit-code". This is used to check that there's a one-to-one
mapping between "TEST_PASSES_SANITIZE_LEAK=true" and those tests that
pass under "SANITIZE=leak". This is especially useful when testing a
series that fixes various memory leaks with "git rebase -x".
In a recent commit we fixed a test where it was set after sourcing
test-lib.sh, leading to confusing results.
To prevent future oversights, let's add a simple check to ensure the
value for TEST_PASSES_SANITIZE_LEAK remains unchanged at test_done().
Signed-off-by: Rubén Justo <rjusto@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This test does not leak since a96015a517 (pack-bitmap: plug leak in
find_objects(), 2023-12-14) when the annotation
TEST_PASSES_SANITIZE_LEAK=true was also added.
Unfortunately it was added after test-lib.sh is sourced, which makes
GIT_TEST_PASSING_SANITIZE_LEAK=check error:
$ make SANITIZE=leak GIT_TEST_PASSING_SANITIZE_LEAK=check test T=t6113-rev-list-bitmap-filters.sh
...
make[2]: Entering directory '/tmp/git/git/t'
*** t6113-rev-list-bitmap-filters.sh ***
in GIT_TEST_PASSING_SANITIZE_LEAK=check mode, setting --invert-exit-code for TEST_PASSES_SANITIZE_LEAK != true
ok 1 - set up bitmapped repo
ok 2 - filters fallback to non-bitmap traversal
ok 3 - blob:none filter
ok 4 - blob:none filter with specified blob
ok 5 - blob:limit filter
ok 6 - blob:limit filter with specified blob
ok 7 - tree:0 filter
ok 8 - tree:0 filter with specified blob, tree
ok 9 - tree:1 filter
ok 10 - object:type filter
ok 11 - object:type filter with --filter-provided-objects
ok 12 - combine filter
ok 13 - combine filter with --filter-provided-objects
ok 14 - bitmap traversal with --unpacked
# passed all 14 test(s)
1..14
# faking up non-zero exit with --invert-exit-code
make[2]: *** [Makefile:68: t6113-rev-list-bitmap-filters.sh] Error 1
make[2]: Leaving directory '/tmp/git/git/t'
make[1]: *** [Makefile:55: test] Error 2
make[1]: Leaving directory '/tmp/git/git/t'
make: *** [Makefile:3212: test] Error 2
Let's move the annotation before sourcing test-lib.sh, to make
GIT_TEST_PASSING_SANITIZE_LEAK=check happy.
Signed-off-by: Rubén Justo <rjusto@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This test is leak-free since it was added in af626ac0e0 (pack-bitmap:
enable reuse from all bitmapped packs, 2023-12-14).
Let's mark it as leak-free to make sure it stays that way (and to reduce
noise when looking for other leak-free scripts after we fix some leaks).
Signed-off-by: Rubén Justo <rjusto@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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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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Both t1409 and t3210 exercise parts of git-pack-refs(1). Given that we
must check the on-disk files to verify whether the backend has indeed
packed refs as expected those test suites are deeply tied to the actual
backend that is in use.
Mark the test suites to depend on the REFFILES backend.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Reviewed-by: Christian Couder <christian.couder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In 10f5c52656 (submodule: avoid auto-discovery in
prepare_submodule_repo_env(), 2016-09-01) we fixed a bug when doing a
recursive fetch with submodule in the case where the submodule is broken
due to whatever reason. The test to exercise that the fix works breaks
the submodule by deleting its `HEAD` reference, which will cause us to
not detect the directory as a Git repository.
While this is perfectly fine in theory, this way of breaking the repo
becomes problematic with the current efforts to introduce another refdb
backend into Git. The new reftable backend has a stub HEAD file that
always contains "ref: refs/heads/.invalid" so that tools continue to be
able to detect such a repository. But as the reftable backend will never
delete this file even when asked to delete `HEAD` the current way to
delete the `HEAD` reference will stop working.
Adapt the code to instead delete the objects database. Going back with
this new way to cause breakage confirms that it triggers the infinite
recursion just the same, and there are no equivalent ongoing efforts to
replace the object database with an alternate backend.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Reviewed-by: Christian Couder <christian.couder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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With 59c35fac54 (refs/packed-backend.c: implement jump lists to avoid
excluded pattern(s), 2023-07-10) we have implemented logic to handle
excluded refs more efficiently in the "packed" ref backend. This logic
allows us to skip emitting refs completely which we know to not be of
any interest to the caller, which can avoid quite some allocations and
object lookups.
This was wired up via a new `exclude_patterns` parameter passed to the
backend's ref iterator. The backend only needs to handle them on a best
effort basis though, and in fact we only handle it for the "packed-refs"
file, but not for loose references. Consequently, all callers must still
filter emitted refs with those exclude patterns.
The result is that handling exclude patterns is completely optional in
the ref backend, and any future backends may or may not implement it.
Let's thus mark the test for t1419 to depend on the REFFILES prereq.
An alternative would be to introduce a new prereq that tells us whether
the backend under test supports exclude patterns or not. But this does
feel a bit overblown:
- It would either map to the REFFILES prereq, in which case it feels
overengineered because the prereq is only ever relevant to t1419.
- Otherwise, it could auto-detect whether the backend supports exclude
patterns. But this could lead to silent failures in case the support
for this feature breaks at any point in time.
It should thus be good enough to just use the REFFILES prereq for now.
If future backends ever grow support for exclude patterns we can easily
add their respective prereq as another condition for this test suite to
execute.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Reviewed-by: Christian Couder <christian.couder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In t1302 we exercise logic around "core.repositoryFormatVersion" and
extensions. These tests are not particularly robust against extensions
like the newly introduced "refStorage" extension as we tend to clobber
the repository's config file. We thus overwrite any extensions that were
set, which may render the repository inaccessible in case it has to be
accessed with a non-default ref storage.
Refactor the tests to be more robust:
- Check the DEFAULT_REPO_FORMAT prereq to determine the expected
repository format version. This helps to ensure that we only need to
update the prereq in a central place when new extensions are added.
Furthermore, this allows us to stop seeding the now-unneeded object
ID cache that was only used to figure out the repository version.
- Use a separate repository to rewrite ".git/config" to test
combinations of the repository format version and extensions. This
ensures that we don't break the main test repository. While we could
rewrite these tests to not overwrite preexisting extensions, it
feels cleaner like this so that we can test extensions standalone
without interference from the environment.
- Do not rewrite ".git/config" when exercising the "preciousObjects"
extension.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Reviewed-by: Christian Couder <christian.couder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In t1301 we verify whether reflog files written by the "files" ref
backend correctly honor permissions when "core.sharedRepository" is set.
The test logic is thus specific to the reffiles backend and will not
work with any other backends.
Mark the test accordingly with the REFFILES prereq.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Reviewed-by: Christian Couder <christian.couder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The t1300 test suite exercises the git-config(1) tool. To do so, the
test overwrites ".git/config" to contain custom contents in several
places with code like the following:
```
cat > .git/config <<\EOF
...
EOF
```
While this is easy enough to do, it may create problems when using a
non-default repository format because this causes us to overwrite the
repository format version as well as any potential extensions. With the
upcoming "reftable" ref backend the result is that Git would try to
access refs via the "files" backend even though the repository has been
initialized with the "reftable" backend, which will cause failures when
trying to access any refs.
Ideally, we would rewrite the whole test suite to not depend on state
written by previous tests, but that would result in a lot of changes in
this test suite. Instead, we only refactor tests which access the refdb
to be more robust by using their own separate repositories, which allows
us to be more careful and not discard required extensions.
Note that we also have to touch up how the CUSTOM_CONFIG_FILE gets
accessed. This environment variable contains the relative path to a
custom config file which we're setting up. But because we are now using
subrepositories, this relative path will not be found anymore because
our working directory changes. This issue is addressed by storing the
absolute path to the file in CUSTOM_CONFIG_FILE instead.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Reviewed-by: Christian Couder <christian.couder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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a5c7656 (credential: new attribute oauth_refresh_token) introduced
a new confidential credential attribute and added support to
credential-cache. Later 0ce02e2f (credential/libsecret: store new
attributes, 2023-06-16) added support in credential-libsecret.
To add support in credential-wincred, we encode the new attribute in the
CredentialBlob, separated by newline:
hunter2
oauth_refresh_token=xyzzy
This is extensible and backwards compatible. The credential protocol
already assumes that attribute values do not contain newlines.
This fixes test "helper (wincred) gets oauth_refresh_token" when
t0303-credential-external.sh is run with
GIT_TEST_CREDENTIAL_HELPER=wincred. This test was added in a5c76569e7
(credential: new attribute oauth_refresh_token, 2023-04-21).
Alternatives considered: store oauth_refresh_token in a wincred
attribute. This would be insecure because wincred assumes attribute
values to be non-confidential.
Signed-off-by: M Hickford <mirth.hickford@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Running this:
$ touch foo bar
$ chmod +x foo
$ git -c diff.external=echo diff --ext-diff --no-index foo bar
results in a segfault. The issue is that run_diff_cmd() passes a NULL
"xfrm_msg" variable to run_external_diff(), which feeds it to
strvec_push(), causing the segfault. The bug dates back to 82fbf269b9
(run_external_diff: use an argv_array for the command line, 2014-04-19),
though it mostly only ever worked accidentally. Before then, we just
stuck the NULL pointer into a "const char **" array, so our NULL ended
up acting as an extra end-of-argv sentinel (which was OK, because it was
the last thing in the array).
Curiously, though, this is only a problem with --no-index. We set up
xfrm_msg by calling fill_metainfo(). This result may be empty, or may
have text like "index 1234..5678\n", "rename from foo\nrename from
bar\n", etc. In run_external_diff(), we only look at xfrm_msg if the
"other" variable is not NULL. That variable is set when the paths of the
two sides of the diff pair aren't the same (in which case the
destination path becomes "other"). So normally it would kick in only for
a rename, in which case xfrm_msg should not be NULL (it would have the
rename information in it).
But with a "--no-index" of two blobs, we of course have two different
pathnames, and thus end up with a non-NULL "other" filename (which is
always just a repeat of the file2-name), but possibly a NULL xfrm_msg.
So how to fix it? I have a feeling that --no-index always passing
"other" to the external diff command is probably a bug. There was no
rename, and the name is always redundant with existing information we
pass (and this may even cause us to pass a useless "xfrm_msg" that
contains an "index 1234..5678" line). So one option would be to change
that behavior. We don't seem to have ever documented the "other" or
"xfrm_msg" parameters for external diffs.
But I'm not sure what fallout we might have from changing that behavior
now. So this patch takes the less-risky option, and simply teaches
run_external_diff() to avoid passing xfrm_msg when it's NULL. That makes
it agnostic to whether "other" and "xfrm_msg" always come as a pair. It
fixes the segfault now, and if we want to change the --no-index "other"
behavior on top, it will handle that, too.
Reported-by: Wilfred Hughes <me@wilfred.me.uk>
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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c15129b699 (config: factor out global config file retrieval, 2024-01-18)
was a refactor that moved some of the code in this function to
`config.c`. However, in the process I managed to drop this code comment
which explains `$HOME not set`.
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Acked-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This variable is no longer used for doing verbatim pack-reuse (or
anywhere within pack-bitmap.c) since d2ea031046 (pack-bitmap: don't rely
on bitmap_git->reuse_objects, 2019-12-18).
Remove it to avoid an unused struct member.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Fixes several Python diagnostics about invalid escape sequences. The
diagnostics appear for me in Python 3.12, and may appear in earlier
versions. The fix is to use raw string literals so that backslashes are
not interpreted as introducing escape sequences. Raw string literals
are already in use in this file, so adding more does not impact
toolchain compatibility.
Signed-off-by: James Touton <bekenn@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When specifying a merge base explicitly, there is actually no good
reason why the inputs need to be commits: that's only needed if the
merge base has to be deduced from the commit graph.
This commit is best viewed with `--color-moved
--color-moved-ws=allow-indentation-change`.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
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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Tighten URL checks fsck makes in a URL recorded for submodules.
* vd/fsck-submodule-url-test:
submodule-config.c: strengthen URL fsck check
t7450: test submodule urls
test-submodule: remove command line handling for check-name
submodule-config.h: move check_submodule_url
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When $HOME/.gitignore is missing but XDG config file available, we
should write into the latter, not former. "git gc" and "git
maintenance" wrote into a wrong "global config" file, which have
been corrected.
* kh/maintenance-use-xdg-when-it-should:
maintenance: use XDG config if it exists
config: factor out global config file retrieval
config: rename global config function
config: format newlines
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A few tests to "git commit -o <pathspec>" and "git commit -i
<pathspec>" has been added.
* gt/test-commit-o-i-options:
t7501: add tests for --amend --signoff
t7501: add tests for --include and --only
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CI for GitLab learned to drive macOS jobs.
* ps/gitlab-ci-macos:
ci: add macOS jobs to GitLab CI
ci: make p4 setup on macOS more robust
ci: handle TEST_OUTPUT_DIRECTORY when printing test failures
Makefile: detect new Homebrew location for ARM-based Macs
t7527: decrease likelihood of racing with fsmonitor daemon
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Completion update to prepare for reftable
* ps/completion-with-reftable-fix:
completion: treat dangling symrefs as existing pseudorefs
completion: silence pseudoref existence check
completion: improve existence check for pseudo-refs
t9902: verify that completion does not print anything
completion: discover repo path in `__git_pseudoref_exists ()`
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Tweak a few tests not to manually modify the reference database
(hence easier to work with other backends like reftable).
* jt/tests-with-reftable:
t5541: remove lockfile creation
t1401: remove lockfile creation
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Comment fix.
* la/strvec-comment-fix:
strvec: use correct member name in comments
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When given an existing but unreadable file as a configuration file,
gitweb behaved as if the file did not exist at all, but now it
errors out. This is a change that may break backward compatibility.
* mj/gitweb-unreadable-config-error:
gitweb: die when a configuration file cannot be read
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Instead of manually creating refs/ hierarchy on disk upon a
creation of a secondary worktree, which is only usable via the
files backend, use the refs API to populate it.
* ps/worktree-refdb-initialization:
builtin/worktree: create refdb via ref backend
worktree: expose interface to look up worktree by name
builtin/worktree: move setup of commondir file earlier
refs/files: skip creation of "refs/{heads,tags}" for worktrees
setup: move creation of "refs/" into the files backend
refs: prepare `refs_init_db()` for initializing worktree refs
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Leakfix.
* ps/commit-graph-write-leakfix:
commit-graph: fix memory leak when not writing graph
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Move test-ctype helper to the unit-test framework.
* al/unit-test-ctype:
unit-tests: rewrite t/helper/test-ctype.c as a unit test
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