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The peel_ref() API has been replaced with peel_iterated_oid().
* jk/peel-iterated-oid:
refs: switch peel_ref() to peel_iterated_oid()
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Build fix.
* js/skip-dashed-built-ins-from-config-mak:
SKIP_DASHED_BUILT_INS: respect `config.mak`
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Doc fix for packfile URI feature.
* jt/packfile-as-uri-doc:
Doc: clarify contents of packfile sent as URI
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Test clean-up plus UI improvement by hiding extra refs that
the prefetch task uses from "log --decorate" output.
* ds/maintenance-prefetch-cleanup:
t7900: clean up some broken refs
maintenance: set log.excludeDecoration durin prefetch
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Documentation for "git fsck" lost stale bits that has become
incorrect.
* ab/fsck-doc-fix:
fsck doc: remove ancient out-of-date diagnostics
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Follow-up fixes and improvements to ab/mailmap topic.
* ab/mailmap-fixup:
t4203: make blame output massaging more robust
mailmap doc: use correct environment variable 'GIT_WORK_TREE'
t4203: stop losing return codes of git commands
test-lib-functions.sh: fix usage for test_commit()
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Abstract accesses to in-core revindex that allows enumerating
objects stored in a packfile in the order they appear in the pack,
in preparation for introducing an on-disk precomputed revindex.
* tb/pack-revindex-api: (21 commits)
for_each_object_in_pack(): clarify pack vs index ordering
pack-revindex.c: avoid direct revindex access in 'offset_to_pack_pos()'
pack-revindex: hide the definition of 'revindex_entry'
pack-revindex: remove unused 'find_revindex_position()'
pack-revindex: remove unused 'find_pack_revindex()'
builtin/gc.c: guess the size of the revindex
for_each_object_in_pack(): convert to new revindex API
unpack_entry(): convert to new revindex API
packed_object_info(): convert to new revindex API
retry_bad_packed_offset(): convert to new revindex API
get_delta_base_oid(): convert to new revindex API
rebuild_existing_bitmaps(): convert to new revindex API
try_partial_reuse(): convert to new revindex API
get_size_by_pos(): convert to new revindex API
show_objects_for_type(): convert to new revindex API
bitmap_position_packfile(): convert to new revindex API
check_object(): convert to new revindex API
write_reused_pack_verbatim(): convert to new revindex API
write_reused_pack_one(): convert to new revindex API
write_reuse_object(): convert to new revindex API
...
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Update the Code-of-conduct to version 2.0 from the upstream (we've
been using version 1.4).
* ab/coc-update-to-2.0:
CoC: update to version 2.0 + local changes
CoC: explicitly take any whitespace breakage
CoC: Update word-wrapping to match upstream
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Introduce two new ways to feed configuration variable-value pairs
via environment variables, and tweak the way GIT_CONFIG_PARAMETERS
encodes variable/value pairs to make it more robust.
* ps/config-env-pairs:
config: allow specifying config entries via envvar pairs
environment: make `getenv_safe()` a public function
config: store "git -c" variables using more robust format
config: parse more robust format in GIT_CONFIG_PARAMETERS
config: extract function to parse config pairs
quote: make sq_dequote_step() a public function
config: add new way to pass config via `--config-env`
git: add `--super-prefix` to usage string
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A bit of code refactoring.
* cc/write-promisor-file:
pack-write: die on error in write_promisor_file()
fetch-pack: refactor writing promisor file
fetch-pack: rename helper to create_promisor_file()
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"git bundle" learns "--stdin" option to read its refs from the
standard input. Also, it now does not lose refs whey they point
at the same object.
* jx/bundle:
bundle: arguments can be read from stdin
bundle: lost objects when removing duplicate pendings
test: add helper functions for git-bundle
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Clean-up docs, codepaths and tests around mailmap.
* ab/mailmap: (22 commits)
shortlog: remove unused(?) "repo-abbrev" feature
mailmap doc + tests: document and test for case-insensitivity
mailmap tests: add tests for empty "<>" syntax
mailmap tests: add tests for whitespace syntax
mailmap tests: add a test for comment syntax
mailmap doc + tests: add better examples & test them
tests: refactor a few tests to use "test_commit --append"
test-lib functions: add an --append option to test_commit
test-lib functions: add --author support to test_commit
test-lib functions: document arguments to test_commit
test-lib functions: expand "test_commit" comment template
mailmap: test for silent exiting on missing file/blob
mailmap tests: get rid of overly complex blame fuzzing
mailmap tests: add a test for "not a blob" error
mailmap tests: remove redundant entry in test
mailmap tests: improve --stdin tests
mailmap tests: modernize syntax & test idioms
mailmap tests: use our preferred whitespace syntax
mailmap doc: start by mentioning the comment syntax
check-mailmap doc: note config options
...
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"git fetch" learns to treat ref updates atomically in all-or-none
fashion, just like "git push" does, with the new "--atomic" option.
* ps/fetch-atomic:
fetch: implement support for atomic reference updates
fetch: allow passing a transaction to `s_update_ref()`
fetch: refactor `s_update_ref` to use common exit path
fetch: use strbuf to format FETCH_HEAD updates
fetch: extract writing to FETCH_HEAD
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When more than one commit with the same patch ID appears on one
side, "git log --cherry-pick A...B" did not exclude them all when a
commit with the same patch ID appears on the other side. Now it
does.
* jk/log-cherry-pick-duplicate-patches:
patch-ids: handle duplicate hashmap entries
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Prepare tests not to be affected by the name of the default branch
"git init" creates.
* js/default-branch-name-tests-final-stretch: (28 commits)
tests: drop prereq `PREPARE_FOR_MAIN_BRANCH` where no longer needed
t99*: adjust the references to the default branch name "main"
tests(git-p4): transition to the default branch name `main`
t9[5-7]*: adjust the references to the default branch name "main"
t9[0-4]*: adjust the references to the default branch name "main"
t8*: adjust the references to the default branch name "main"
t7[5-9]*: adjust the references to the default branch name "main"
t7[0-4]*: adjust the references to the default branch name "main"
t6[4-9]*: adjust the references to the default branch name "main"
t64*: preemptively adjust alignment to prepare for `master` -> `main`
t6[0-3]*: adjust the references to the default branch name "main"
t5[6-9]*: adjust the references to the default branch name "main"
t55[4-9]*: adjust the references to the default branch name "main"
t55[23]*: adjust the references to the default branch name "main"
t551*: adjust the references to the default branch name "main"
t550*: adjust the references to the default branch name "main"
t5503: prepare aligned comment for replacing `master` with `main`
t5[0-4]*: adjust the references to the default branch name "main"
t5323: prepare centered comment for `master` -> `main`
t4*: adjust the references to the default branch name "main"
...
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After expiring a reflog and making a single commit, the reflog for
the branch would record a single entry that knows both @{0} and
@{1}, but we failed to answer "what commit were we on?", i.e. @{1}
* dl/reflog-with-single-entry:
refs: allow @{n} to work with n-sized reflog
refs: factor out set_read_ref_cutoffs()
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"git diff" showed a submodule working tree with untracked cruft as
"Submodule commit <objectname>-dirty", but a natural expectation is
that the "-dirty" indicator would align with "git describe --dirty",
which does not consider having untracked files in the working tree
as source of dirtiness. The inconsistency has been fixed.
* sj/untracked-files-in-submodule-directory-is-not-dirty:
diff: do not show submodule with untracked files as "-dirty"
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Warn loudly when the "pack-redundant" command, which has been left
stale with almost unusable performance issues, gets used, as we no
longer want to recommend its use (instead just "repack -d" instead).
* jc/deprecate-pack-redundant:
pack-redundant: gauge the usage before proposing its removal
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Newline characters in the host and path part of git:// URL are
now forbidden.
* jk/forbid-lf-in-git-url:
fsck: reject .gitmodules git:// urls with newlines
git_connect_git(): forbid newlines in host and path
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The implementation of "git branch --sort" wrt the detached HEAD
display has always been hacky, which has been cleaned up.
* ab/branch-sort:
branch: show "HEAD detached" first under reverse sort
branch: sort detached HEAD based on a flag
ref-filter: move ref_sorting flags to a bitfield
ref-filter: move "cmp_fn" assignment into "else if" arm
ref-filter: add braces to if/else if/else chain
branch tests: add to --sort tests
branch: change "--local" to "--list" in comment
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File-level rename detection updates.
* en/diffcore-rename:
diffcore-rename: remove unnecessary duplicate entry checks
diffcore-rename: accelerate rename_dst setup
diffcore-rename: simplify and accelerate register_rename_src()
t4058: explore duplicate tree entry handling in a bit more detail
t4058: add more tests and documentation for duplicate tree entry handling
diffcore-rename: reduce jumpiness in progress counters
diffcore-rename: simplify limit check
diffcore-rename: avoid usage of global in too_many_rename_candidates()
diffcore-rename: rename num_create to num_destinations
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Code clean-up.
* ma/more-opaque-lock-file:
read-cache: try not to peek into `struct {lock_,temp}file`
refs/files-backend: don't peek into `struct lock_file`
midx: don't peek into `struct lock_file`
commit-graph: don't peek into `struct lock_file`
builtin/gc: don't peek into `struct lock_file`
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Rename detection is added to the "ORT" merge strategy.
* en/merge-ort-3:
merge-ort: add implementation of type-changed rename handling
merge-ort: add implementation of normal rename handling
merge-ort: add implementation of rename collisions
merge-ort: add implementation of rename/delete conflicts
merge-ort: add implementation of both sides renaming differently
merge-ort: add implementation of both sides renaming identically
merge-ort: add basic outline for process_renames()
merge-ort: implement compare_pairs() and collect_renames()
merge-ort: implement detect_regular_renames()
merge-ort: add initial outline for basic rename detection
merge-ort: add basic data structures for handling renames
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"git mktag" validates its input using its own rules before writing
a tag object---it has been updated to share the logic with "git
fsck".
* ab/mktag: (23 commits)
mktag: add a --[no-]strict option
mktag: mark strings for translation
mktag: convert to parse-options
mktag: allow omitting the header/body \n separator
mktag: allow turning off fsck.extraHeaderEntry
fsck: make fsck_config() re-usable
mktag: use fsck instead of custom verify_tag()
mktag: use puts(str) instead of printf("%s\n", str)
mktag: remove redundant braces in one-line body "if"
mktag: use default strbuf_read() hint
mktag tests: test verify_object() with replaced objects
mktag tests: improve verify_object() test coverage
mktag tests: test "hash-object" compatibility
mktag tests: stress test whitespace handling
mktag tests: run "fsck" after creating "mytag"
mktag tests: don't create "mytag" twice
mktag tests: don't redirect stderr to a file needlessly
mktag tests: remove needless SHA-1 hardcoding
mktag tests: use "test_commit" helper
mktag tests: don't needlessly use a subshell
...
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The peel_ref() interface is confusing and error-prone:
- it's typically used by ref iteration callbacks that have both a
refname and oid. But since they pass only the refname, we may load
the ref value from the filesystem again. This is inefficient, but
also means we are open to a race if somebody simultaneously updates
the ref. E.g., this:
int some_ref_cb(const char *refname, const struct object_id *oid, ...)
{
if (!peel_ref(refname, &peeled))
printf("%s peels to %s",
oid_to_hex(oid), oid_to_hex(&peeled);
}
could print nonsense. It is correct to say "refname peels to..."
(you may see the "before" value or the "after" value, either of
which is consistent), but mentioning both oids may be mixing
before/after values.
Worse, whether this is possible depends on whether the optimization
to read from the current iterator value kicks in. So it is actually
not possible with:
for_each_ref(some_ref_cb);
but it _is_ possible with:
head_ref(some_ref_cb);
which does not use the iterator mechanism (though in practice, HEAD
should never peel to anything, so this may not be triggerable).
- it must take a fully-qualified refname for the read_ref_full() code
path to work. Yet we routinely pass it partial refnames from
callbacks to for_each_tag_ref(), etc. This happens to work when
iterating because there we do not call read_ref_full() at all, and
only use the passed refname to check if it is the same as the
iterator. But the requirements for the function parameters are quite
unclear.
Instead of taking a refname, let's instead take an oid. That fixes both
problems. It's a little funny for a "ref" function not to involve refs
at all. The key thing is that it's optimizing under the hood based on
having access to the ref iterator. So let's change the name to make it
clear why you'd want this function versus just peel_object().
There are two other directions I considered but rejected:
- we could pass the peel information into the each_ref_fn callback.
However, we don't know if the caller actually wants it or not. For
packed-refs, providing it is essentially free. But for loose refs,
we actually have to peel the object, which would be wasteful in most
cases. We could likewise pass in a flag to the callback indicating
whether the peeled information is known, but that complicates those
callbacks, as they then have to decide whether to manually peel
themselves. Plus it requires changing the interface of every
callback, whether they care about peeling or not, and there are many
of them.
- we could make a function to return the peeled value of the current
iterated ref (computing it if necessary), and BUG() otherwise. I.e.:
int peel_current_iterated_ref(struct object_id *out);
Each of the current callers is an each_ref_fn callback, so they'd
mostly be happy. But:
- we use those callbacks with functions like head_ref(), which do
not use the iteration code. So we'd need to handle the fallback
case there, anyway.
- it's possible that a caller would want to call into generic code
that sometimes is used during iteration and sometimes not. This
encapsulates the logic to do the fast thing when possible, and
fallback when necessary.
The implementation is mostly obvious, but I want to call out a few
things in the patch:
- the test-tool coverage for peel_ref() is now meaningless, as it all
collapses to a single peel_object() call (arguably they were pretty
uninteresting before; the tricky part of that function is the
fast-path we see during iteration, but these calls didn't trigger
that). I've just dropped it entirely, though note that some other
tests relied on the tags we created; I've moved that creation to the
tests where it matters.
- we no longer need to take a ref_store parameter, since we'd never
look up a ref now. We do still rely on a global "current iterator"
variable which _could_ be kept per-ref-store. But in practice this
is only useful if there are multiple recursive iterations, at which
point the more appropriate solution is probably a stack of
iterators. No caller used the actual ref-store parameter anyway
(they all call the wrapper that passes the_repository).
- the original only kicked in the optimization when the "refname"
pointer matched (i.e., not string comparison). We do likewise with
the "oid" parameter here, but fall back to doing an actual oideq()
call. This in theory lets us kick in the optimization more often,
though in practice no current caller cares. It should never be
wrong, though (peeling is a property of an object, so two refs
pointing to the same object would peel identically).
- the original took care not to touch the peeled out-parameter unless
we found something to put in it. But no caller cares about this, and
anyway, it is enforced by peel_object() itself (and even in the
optimized iterator case, that's where we eventually end up). We can
shorten the code and avoid an extra copy by just passing the
out-parameter through the stack.
Signed-off-by: Jeff King <peff@peff.net>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When `SKIP_DASHED_BUILT_INS` is specified in `config.mak`, the dashed
form of the built-ins was still generated.
By moving the `SKIP_DASHED_BUILT_INS` handling after `config.mak` was
read, this can be avoided.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Remove diagnostics that haven't been emitted by "fsck" or its
predecessors for around 15 years. This documentation was added in
c64b9b88605 (Reference documentation for the core git commands.,
2005-05-05), but was out-of-date quickly after that.
Notes on individual diagnostics:
- "expect dangling commits": Added in bcee6fd8e71 (Make 'fsck' able
to[...], 2005-04-13), documented in c64b9b88605. Not emitted since
1024932f019 (fsck-cache: walk the 'refs' directory[...],
2005-05-18).
- "missing sha1 directory": Added in 20222118ae4 (Add first cut at
"fsck-cache"[...], 2005-04-08), documented in c64b9b88605. Not
emitted since 230f13225df (Create object subdirectories on demand,
2005-10-08).
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Clarify that, when the packfile-uri feature is used, the client should
not assume that the extra packfiles downloaded would only contain a
single blob, but support packfiles containing multiple objects of all
types.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The tests for the 'prefetch' task create remotes and fetch refs into
'refs/prefetch/<remote>/' and tags into 'refs/tags/'. These tests use
the remotes to create objects not intended to be seen by the "local"
repository.
In that sense, the incrmental-repack tasks did not have these objects
and refs in mind. That test replaces the object directory with a
specific pack-file layout for testing the batch-size logic. However,
this causes some operations to start showing warnings such as:
error: refs/prefetch/remote1/one does not point to a valid object!
error: refs/tags/one does not point to a valid object!
This only shows up if you run the tests verbosely and watch the output.
It caught my eye and I _thought_ that there was a bug where 'git gc' or
'git repack' wouldn't check 'refs/prefetch/' before pruning objects.
That is incorrect. Those commands do handle 'refs/prefetch/' correctly.
All that is left is to clean up the tests in t7900-maintenance.sh to
remove these tags and refs that are not being repacked for the
incremental-repack tests. Use update-ref to ensure this works with all
ref backends.
Helped-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The 'prefetch' task fetches refs from all remotes and places them in the
refs/prefetch/<remote>/ refspace. As this task is intended to run in the
background, this allows users to keep their local data very close to the
remote servers' data while not updating the users' understanding of the
remote refs in refs/remotes/<remote>/.
However, this can clutter 'git log' decorations with copies of the refs
with the full name 'refs/prefetch/<remote>/<branch>'.
The log.excludeDecoration config option was added in a6be5e67 (log: add
log.excludeDecoration config option, 2020-05-16) for exactly this
purpose.
Ensure we set this only for users that would benefit from it by
assigning it at the beginning of the prefetch task. Other alternatives
would be during 'git maintenance register' or 'git maintenance start',
but those might assign the config even when the prefetch task is
disabled by existing config. Further, users could run 'git maintenance
run --task=prefetch' using their own scripting or scheduling. This
provides the best coverage to automatically update the config when
valuable.
It is improbable, but possible, that users might want to run the
prefetch task _and_ see these refs in their log decorations. This seems
incredibly unlikely to me, but users can always opt-in on a
command-by-command basis using --decorate-refs=refs/prefetch/.
Test that this works in a few cases. In particular, ensure that our
assignment of log.excludeDecoration=refs/prefetch/ is additive to other
existing exclusions. Further, ensure we do not add multiple copies in
multiple runs.
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Reviewed-by: Taylor Blau <me@ttaylorr.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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Fix for procedure to building CI test environment for mac.
* jc/macos-install-dependencies-fix:
ci/install-depends: attempt to fix "brew cask" stuff
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Doc update.
* tb/local-clone-race-doc:
Documentation/git-clone.txt: document race with --local
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Doc update.
* bc/doc-status-short:
docs: rephrase and clarify the git status --short format
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Text encoding fix for "git p4".
* dl/p4-encode-after-kw-expansion:
git-p4: fix syncing file types with pattern
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Comments update.
* ab/gettext-charset-comment-fix:
gettext.c: remove/reword a mostly-useless comment
Makefile: remove a warning about old GETTEXT_POISON flag
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Doc update.
* ug/doc-lose-dircache:
doc: remove "directory cache" from man pages
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Test fix.
* ad/t4129-setfacl-target-fix:
t4129: fix setfacl-related permissions failure
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Test fix.
* jk/t5516-deflake:
t5516: loosen "not our ref" error check
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Doc update.
* vv/send-email-with-less-secure-apps-access:
git-send-email.txt: mention less secure app access with Gmail
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Fix 2.29 regression where "git mergetool --tool-help" fails to list
all the available tools.
* pb/mergetool-tool-help-fix:
mergetool--lib: fix '--tool-help' to correctly show available tools
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"git for-each-repo --config=<var> <cmd>" should not run <cmd> for
any repository when the configuration variable <var> is not defined
even once.
* ds/for-each-repo-noopfix:
for-each-repo: do nothing on empty config
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Doc update.
* jc/sign-off:
SubmittingPatches: tighten wording on "sign-off" procedure
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Some tests expect that "ls -l" output has either '-' or 'x' for
group executable bit, but setgid bit can be inherited from parent
directory and make these fields 'S' or 's' instead, causing test
failures.
* mt/t4129-with-setgid-dir:
t4129: don't fail if setgid is set in the test directory
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Follow-up on the "maintenance part-3" which introduced scheduled
maintenance tasks to support platforms whose native scheduling
methods are not 'cron'.
* ds/maintenance-part-4:
maintenance: use Windows scheduled tasks
maintenance: use launchctl on macOS
maintenance: include 'cron' details in docs
maintenance: extract platform-specific scheduling
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Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Bash completion (in contrib/) update to make it easier for
end-users to add completion for their custom "git" subcommands.
* fc/completion-aliases-support:
completion: add proper public __git_complete
test: completion: add tests for __git_complete
completion: bash: improve function detection
completion: bash: add __git_have_func helper
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"git stash" did not work well in a sparsely checked out working
tree.
* en/stash-apply-sparse-checkout:
stash: fix stash application in sparse-checkouts
stash: remove unnecessary process forking
t7012: add a testcase demonstrating stash apply bugs in sparse checkouts
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Test update.
* ar/t6016-modernise:
t6016: move to lib-log-graph.sh framework
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Junio C Hamano
Jeff King
Johannes Schindelin
Ævar Arnfjörð Bjarmason
Jonathan Tan
Derrick Stolee