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When cloning, we choose the default branch based on the remote HEAD.
But if there is no remote HEAD reported (which could happen if the
target of the remote HEAD is unborn), we'll fall back to using our local
init.defaultBranch. Traditionally this hasn't been a big deal, because
most repos used "master" as the default. But these days it is likely to
cause confusion if the server and client implementations choose
different values (e.g., if the remote started with "main", we may choose
"master" locally, create commits there, and then the user is surprised
when they push to "master" and not "main").
To solve this, the remote needs to communicate the target of the HEAD
symref, even if it is unborn, and "git clone" needs to use this
information.
Currently, symrefs that have unborn targets (such as in this case) are
not communicated by the protocol. Teach Git to advertise and support the
"unborn" feature in "ls-refs" (by default, this is advertised, but
server administrators may turn this off through the lsrefs.unborn
config). This feature indicates that "ls-refs" supports the "unborn"
argument; when it is specified, "ls-refs" will send the HEAD symref with
the name of its unborn target.
This change is only for protocol v2. A similar change for protocol v0
would require independent protocol design (there being no analogous
position to signal support for "unborn") and client-side plumbing of the
data required, so the scope of this patch set is limited to protocol v2.
The client side will be updated to use this in a subsequent commit.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test update.
* js/t7064-master-to-initial:
t7064: avoid relying on a specific default branch name
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Test update.
* js/t6300-hardcode-main:
t6300: avoid using the default name of the initial branch
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Code clean-up.
* jk/oid-array-cleanup:
commit-graph: use size_t for array allocation and indexing
commit-graph: replace packed_oid_list with oid_array
commit-graph: drop count_distinct_commits() function
oid-array: provide a for-loop iterator
oid-array: make sort function public
cache.h: move hash/oid functions to hash.h
t0064: make duplicate tests more robust
t0064: drop sha1 mention from filename
oid-array.h: drop sha1 mention from header guard
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Fix potential server side resource deallocation issues when
responding to a partial clone request.
* tb/partial-clone-filters-fix:
upload-pack.c: don't free allowed_filters util pointers
builtin/clone.c: don't ignore transport_fetch_refs() errors
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Hotfix for test breakage.
* js/t7900-protect-pwd-in-config-get:
t7900: use --fixed-value in git-maintenance tests
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Test update.
* js/t5526-with-no-particular-primary-branch-name:
t5526: drop the prereq expecting the default branch name `main`
t5526: avoid depending on a specific default branch name
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Tighten error checking in the codepath that responds to "git fetch".
* jk/check-config-parsing-error-in-upload-pack:
upload-pack: propagate return value from object filter config callback
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"@" sometimes worked (e.g. "git push origin @:there") as a part of
a refspec element, but "git push origin @" did not work, which has
been corrected.
* fc/atmark-in-refspec:
refspec: make @ a synonym of HEAD
tests: push: trivial cleanup
tests: push: improve cleanup of HEAD tests
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"git $cmd $args", when $cmd is not a recognised subcommand, by
default tries to see if $cmd is a typo of an existing subcommand
and optionally executes the corrected command if there is only one
possibility, depending on the setting of help.autocorrect; the
users can now disable the whole thing, including the cycles spent
to find a likely typo, by setting the configuration variable to
'never'.
* dd/help-autocorrect-never:
help.c: help.autocorrect=never means "do not compute suggestions"
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Use --fixed-value in git-config calls in the git-maintenance tests, so
that the tests will continue to work even if the repo path contains
regexp metacharacters.
Signed-off-by: Josh Steadmon <steadmon@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Random cleanup.
* fc/random-cleanup:
gitignore: remove entry for git serve
gitignore: drop duplicate entry for git-sh-i18n
tests: lib-functions: trivial style cleanups
test: completion: fix typos
.gitignore: remove dangling file
refspec: trivial cleanup
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"git maintenance run/start/stop" needed to be run in a repository
to hold the lockfile they use, but didn't make sure they are
actually in a repository, which has been corrected.
* rs/maintenance-run-outside-repo:
t7900: fix typo: "test_execpt_success"
maintenance: fix SEGFAULT when no repository
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Test clean-up.
* nk/perf-fsmonitor-cleanup:
perf/fsmonitor: use test_must_be_empty helper
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The transport layer was taught to optionally exchange the session
ID assigned by the trace2 subsystem during fetch/push transactions.
* js/trace2-session-id:
receive-pack: log received client session ID
send-pack: advertise session ID in capabilities
upload-pack, serve: log received client session ID
fetch-pack: advertise session ID in capabilities
transport: log received server session ID
serve: advertise session ID in v2 capabilities
receive-pack: advertise session ID in v0 capabilities
upload-pack: advertise session ID in v0 capabilities
trace2: add a public function for getting the SID
docs: new transfer.advertiseSID option
docs: new capability to advertise session IDs
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"git apply" adjusted the permission bits of working-tree files and
directories according core.sharedRepository setting by mistake and
for a long time, which has been corrected.
* mt/do-not-use-scld-in-working-tree:
apply: don't use core.sharedRepository to create working tree files
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"git maintenance" command had trouble working in a directory whose
pathname contained an ERE metacharacter like '+'.
* ds/maintenance-part-3:
maintenance: use 'git config --fixed-value'
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Test fix.
* ds/maintenance-part-2:
t7900: speed up expensive test
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Various subcommands of "git config" that takes value_regex
learn the "--literal-value" option to take the value_regex option
as a literal string.
* ds/config-literal-value:
config doc: value-pattern is not necessarily a regexp
config: implement --fixed-value with --get*
config: plumb --fixed-value into config API
config: add --fixed-value option, un-implemented
t1300: add test for --replace-all with value-pattern
t1300: test "set all" mode with value-pattern
config: replace 'value_regex' with 'value_pattern'
config: convert multi_replace to flags
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Processes that access packdata while the .idx file gets removed
(e.g. while repacking) did not fail or fall back gracefully as they
could.
* tb/idx-midx-race-fix:
midx.c: protect against disappearing packs
packfile.c: protect against disappearing indexes
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"git update-ref --stdin" learns to take multiple transactions in a
single session.
* ps/update-ref-multi-transaction:
update-ref: disallow "start" for ongoing transactions
p1400: use `git-update-ref --stdin` to test multiple transactions
update-ref: allow creation of multiple transactions
t1400: avoid touching refs on filesystem
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"git add -i" failed to honor custom colors configured to show
patches, which has been corrected.
* js/add-i-color-fix:
add -i: verify in the tests that colors can be overridden
add -p: prefer color.diff.context over color.diff.plain
add -i (Perl version): color header to match the C version
add -i (built-in): use the same indentation as the Perl version
add -p (built-in): do not color the progress indicator separately
add -i (built-in): use correct names to load color.diff.* config
add -i (built-in): prevent the `reset` "color" from being configured
add -i: use `reset_color` consistently
add -p (built-in): imitate `xdl_format_hunk_hdr()` generating hunk headers
add -i (built-in): send error messages to stderr
add -i (built-in): do show an error message for incorrect inputs
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To allow us to consider a change in the default behavior of `git init`
where it uses a more inclusive name for the initial branch, we must
first teach the test suite not to rely on a specific default branch
name. In this patch, we teach t7064 that trick.
To that end, we set a specific name for the initial branch. Ideally, we
would simply start out by calling `git branch -M initial-branch`, but
there is a bug in `git branch -M` that does not allow renaming branches
unless they already have commits. This will be fixed in the
`js/init-defaultbranch-advice` topic, and until that time, we use the
equivalent (but less intuitive) `git checkout -f --orphan`.
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: Josh Steadmon <steadmon@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Our test suite currently only passes when `git init` uses the name
`master` for the initial branch. This would stop us from changing the
default branch name.
Let's adjust t6300 so that it does not rely on any specific default
branch name. This trick is done by (force-)renaming the initial branch
to the name `main` in the `setup` and the `:remotename and :remoteref`
test cases, and then replacing all mentions of `master` and `MASTER`
with `main` and `MAIN`, respectively.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Our tests for handling duplicates in oid-array provide only a single
duplicate for each number, so our sorted array looks like:
44 44 55 55 88 88 aa aa
A slightly more interesting test is to have multiple duplicates, which
makes sure that we not only skip the duplicate, but keep skipping until
we are out of the set of matching duplicates.
Unsurprisingly this works just fine, but it's worth beefing up this test
since we're about to change the duplicate-detection code.
Note that we do need to adjust the results on the lookup test, since it
is returning the index of the found item (and now we have more items
before our range, and the range itself is slightly larger, since we'll
accept a match of any element).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The data type is an oid_array these days, and we are using "test-tool
oid-array", so let's name the test script appropriately.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Initially, we started converting this test script in anticipation for
renaming the default branch name to `main`. To that end, we partially
converted it to accommodate for that default branch name, marking the
now-failing test cases with a prereq that was designed to be fulfilled
once the rename was complete.
However, the effort to move to the branch name `main` needs quite a bit
longer, as it was decided that we need a deprecation phase first.
To avoid keeping t5526 in limbo for such a long time, we just made it
independent of the actual default branch name used by Git. Therefore,
that prereq is no longer necessary, and we can drop it.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While at it, use different default branch names for the three different
repositories involved in the test script: this makes it easier to debug
failures, too (otherwise you have to wonder which `master` branch was
meant: the super project's? The submodule's? The nested submodule's?).
Note: this touches code that was originally modified to prepare for
renaming the default branch name to `main`. This patch side-steps that
effort completely by overriding the initial branch name explicitly.
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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To keep track of which object filters are allowed or not, 'git
upload-pack' stores the name of each filter in a string_list, and sets
it ->util pointer to be either 0 or 1, indicating whether it is banned
or allowed.
Later on, we attempt to clear that list, but we incorrectly ask for the
util pointers to be free()'d, too. This behavior (introduced back in
6dd3456a8c (upload-pack.c: allow banning certain object filter(s),
2020-08-03)) leads to an invalid free, and causes us to crash.
In order to trigger this, one needs to fetch from a server that (a) has
at least one object filter allowed, and (b) issue a fetch that contains
a subset of the allowed filters (i.e., we cannot ask for a banned
filter, since this causes us to die() before we hit the bogus
string_list_clear()).
In that case, whatever banned filters exist will cause a noop free()
(since those ->util pointers are set to 0), but the first allowed filter
we try to free will crash us.
We never noticed this in the tests because we didn't have an example of
setting 'uploadPackFilter' configuration variables and then following up
with a valid fetch. The first new 'git clone' prevents further
regression here. For good measure on top, add a test which checks the
same behavior at a tree depth greater than 0.
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If we encounter an error in parse_filter_object_config(), we'll complain
to stderr but won't actually propagate the return value up the stack.
This is unlike most of our config callbacks, which return the error to
git_config() so it can die (this includes the call just below us to
parse_hide_refs_config(), which can also produce errors).
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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An earlier attempt to fix "git fetch --recurse-submodules" broke
another use case; revert it until a better fix is found.
* pk/subsub-fetch-fix:
Revert "submodules: fix of regression on fetching of non-init subsub-repo"
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"git pull --rebase --recurse-submodules" checked for local changes
in a wrong range and failed to run correctly when it should.
* pb/pull-rebase-recurse-submodules:
pull: check for local submodule modifications with the right range
t5572: describe '--rebase' tests a little more
t5572: add notes on a peculiar test
pull --rebase: compute rebase arguments in separate function
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This reverts commit 1b7ac4e6d4d490b224f5206af7418ed74e490608; in
<CAN0XMOLiS_8JZKF_wW70BvRRxkDHyUoa=Z3ODtB_Bd6f5Y=7JQ@mail.gmail.com>,
Ralf Thielow reports that "git fetch" with submodule.recurse set can
result in a bogus and infinitely recursive fetching of the same
submodule.
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core.sharedRepository defines which permissions Git should set when
creating files in $GIT_DIR, so that the repository may be shared with
other users. But (in its current form) the setting shouldn't affect how
files are created in the working tree. This is not respected by apply
and am (which uses apply), when creating leading directories:
$ cat d.patch
diff --git a/d/f b/d/f
new file mode 100644
index 0000000..e69de29
Apply without the setting:
$ umask 0077
$ git apply d.patch
$ ls -ld d
drwx------
Apply with the setting:
$ umask 0077
$ git -c core.sharedRepository=0770 apply d.patch
$ ls -ld d
drwxrws---
Only the leading directories are affected. That's because they are
created with safe_create_leading_directories(), which calls
adjust_shared_perm() to set the directories' permissions based on
core.sharedRepository. To fix that, let's introduce a variant of this
function that ignores the setting, and use it in apply. Also add a
regression test and a note in the function documentation about the use
of each variant according to the destination (working tree or git
dir).
Signed-off-by: Matheus Tavares <matheus.bernardino@usp.br>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A test marked with EXPENSIVE creates two 2.5GB files and adds them to
the repository. This takes 194s to run on my machine, versus 2s when the
EXPENSIVE prereq isn't set. We can trim this down a bit by doing two
things:
- use "git commit --quiet" to avoid spending time generating a diff
summary (this actually only helps for the second commit, but I've
added it here to both for consistency). This shaves off 8s.
- set core.compression to 0. We know these files are full of random
bytes, and so won't compress (that's the point of the test!).
Spending cycles on zlib is pointless. This shaves off 122s.
After this, my total time to run the script is 64s. That won't help
normal runs without GIT_TEST_LONG set, of course, but it's easy enough
to do.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A test script got cleaned up and then made not to depend on the
value of init.defaultBranch.
* js/t3404-master-to-primary:
t3404: do not depend on any specific default branch name
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Config parser fix for "git notes".
* na/notes-displayref-is-not-boolean:
t3301: test proper exit response to no-value notes.displayRef.
notes.c: fix a segfault in notes_display_config()
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Test preparation.
* js/t1309-master-to-topic:
t1309: use a neutral branch name in the `onbranch` test cases
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UI improvement.
* js/pull-rebase-use-advise:
pull: colorize the hint about setting `pull.rebase`
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A test script got cleaned up not to depend on the value of
init.defaultBranch.
* js/t4015-wo-master:
t4015: let the test pass with any default branch name
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Cleanup.
* js/t3040-cleanup:
t3040: remove stale note
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A test script got cleaned up and then made not to depend on the
value of init.defaultBranch.
* js/t2106-cleanup:
t2106: ensure that the checkout fails for the expected reason
t2106: make test independent of the current main branch name
t2106: adjust style to the current conventions
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Since commit 9ba89f484e git learned how to push to a remote branch using
the source @, for example:
git push origin @:master
However, if the right-hand side is missing, the push fails:
git push origin @
It is obvious what is the desired behavior, and allowing the push makes
things more consistent.
Additionally, @:master now has the same semantics as HEAD:master.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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No need to do two checkouts.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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So that we are not left in an inconsistent state between them.
Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Simplify test and make error messages more clear here.
Per feedback from Junio in
33226af42b (t/perf/fsmonitor: improve error message if typoing hook
name, 2020-10-26)
Signed-off-by: Nipunn Koorapati <nipunn@dropbox.com>
Acked-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "git maintenance run" and "git maintenance start/stop" commands
holds a file-based lock at the .git/maintenance.lock and
.git/schedule.lock respectively. These locks are used to ensure only
one maintenance process is executed at the time as both operations
involves writing data into the git repository.
The path to the lock file is built using
"the_repository->objects->odb->path" that results in SEGFAULT when we
have no repository available as "the_repository->objects->odb" is
set to NULL.
Let's teach maintenance command to use RUN_SETUP option that will
provide the validation and fail when running outside of a repository.
Hence fixing the SEGFAULT for all three operations and making the
behaviour consistent across all subcommands.
Setting the RUN_SETUP also provides the same protection for all
subcommands given that the "register" and "unregister" also requires to
be executed inside a repository.
Furthermore let's remove the local validation implemented by the
"register" and "unregister" as this will not be required anymore with
the new option.
Signed-off-by: Rafael Silva <rafaeloliveira.cs@gmail.com>
Reviewed-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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