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Hooks specified via configs are always enabled, however users
might want to disable them without removing from the config,
like locally disabling a global hook.
Add a hook.<name>.enabled config which defaults to true and
can be optionally set for each configured hook.
Suggested-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Teach the hook.[hc] library to parse configs to populate the list of
hooks to run for a given event.
Multiple commands can be specified for a given hook by providing
"hook.<friendly-name>.command = <path-to-hook>" and
"hook.<friendly-name>.event = <hook-event>" lines.
Hooks will be started in config order of the "hook.<name>.event"
lines and will be run sequentially (.jobs == 1) like before.
Running the hooks in parallel will be enabled in a future patch.
The "traditional" hook from the hookdir is run last, if present.
A strmap cache is added to struct repository to avoid re-reading
the configs on each rook run. This is useful for hooks like the
ref-transaction which gets executed multiple times per process.
Examples:
$ git config --get-regexp "^hook\."
hook.bar.command=~/bar.sh
hook.bar.event=pre-commit
# Will run ~/bar.sh, then .git/hooks/pre-commit
$ git hook run pre-commit
Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The previous commit introduced an ability to run multiple commands for
hook events and next commit will introduce the ability to define hooks
from configs, in addition to the "traditional" hooks from the hookdir.
Introduce a new command "git hook list" to make inspecting hooks easier
both for users and for the tests we will add.
Further commits will expand on this, e.g. by adding a -z output mode.
Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In preparation for removing the repository argument from
worktree_git_path() add a function to construct a "struct worktree"
from a "struct repository" using its "gitdir" and "worktree"
members. This function is then used to avoid passing a NULL worktree to
wt_status_check_bisect() and wt_status_check_rebase(). In general the
"struct worktree" returned may not correspond to the "current" worktree
defined by is_current_worktree() as that function uses "the_repository"
rather than "wt->repo" when deciding which worktree is "current". In
practice the "struct repository" we pass corresponds to "the_repository"
as we only ever operate on a single repository at the moment.
wt_status_check_bisect() and wt_status_check_rebase() have the following
callers:
- branch.c:prepare_checked_out_branches() which loops over all
worktrees.
- worktree.c:is_worktree_being_rebased() which is called from
builtin/branch.c:reject_rebase_or_bisect_branch() that loops over all
worktrees and worktree.c:is_shared_symref() which dereferences wt
earlier in the function.
- wt-status:wt_status_get_state() which is updated to avoid passing a
NULL worktree by this patch.
This updates the only callers that pass a NULL worktree to
worktree_git_path(). A new test is added to check that "git status"
detects a rebase in a linked worktree.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "pack.preferBitmapTips" configuration allows the user to specify
which references should be preferred when generating bitmaps. This
option is typically expected to be set to a reference prefix, like for
example "refs/heads/".
It's not unreasonable though for a user to configure one specific
reference as preferred. But if they do, they'll hit a `BUG()`:
$ git -c pack.preferBitmapTips=refs/heads/main repack -adb
BUG: ../refs/iterator.c:366: attempt to trim too many characters
error: pack-objects died of signal 6
The root cause for this bug is how we enumerate these references. We
call `refs_for_each_ref_in()`, which will:
- Yield all references that have a user-specified prefix.
- Trim each of these references so that the prefix is removed.
Typically, this function is called with a trailing slash, like
"refs/heads/", and in that case things work alright. But if the function
is called with the name of an existing reference then we'll try to trim
the full reference name, which would leave us with an empty name. And as
this would not really leave us with anything sensible, we call `BUG()`
instead of yielding this reference.
One could argue that this is a bug in `refs_for_each_ref_in()`. But the
question then becomes what the correct behaviour would be:
- Do we want to skip exact matches? In our case we certainly don't
want that, as the user has asked us to generate a bitmap for it.
- Do we want to yield the reference with the empty refname? That would
lead to a somewhat weird result.
Neither of these feel like viable options, so calling `BUG()` feels like
a sensible way out. The root cause ultimately is that we even try to
trim the whole refname in the first place. There are two possible ways
to fix this issue:
- We can fix the bug by using `refs_for_each_fullref_in()` instead,
which does not strip the prefix at all. Consequently, we would now
start to accept all references that start with the configured
prefix, including exact matches. So if we had "refs/heads/main", we
would both match "refs/heads/main" and "refs/heads/main-branch".
- Or we can fix the bug by appending a slash to the prefix if it
doesn't already have one. This would mean that we only match
ref hierarchies that start with this prefix.
While the first fix leaves the user with strictly _more_ configuration
options, we have already fixed a similar case in 10e8a9352b (refs.c:
stop matching non-directory prefixes in exclude patterns, 2025-03-06) by
using the second option. So for the sake of consistency, let's apply the
same fix here.
Clarify the documentation accordingly.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On Windows, we execute tests with "--no-bin-wrappers". This has been
introduced via a87e427e35 (ci: speed up Windows phase, 2019-01-29) to
save some time: spawning processes is expensive on Windows, and shell
scripts tend to spawn a bunch of them. So overall, the bin-wrappers led
to a performance overhead of ~10-30%.
This causes test failures when using Meson on Windows:
failure: t7610.28 mergetool --tool-help shows recognized tools
++ git mergetool --tool-help
/d/a/git/git/build/git-mergetool--lib: line 45: cd: D:/a/git/git/build/mergetools: No such file or directory
The root cause here is that our bin-wrappers are usually responsible for
setting up the `MERGE_TOOL_DIR` environment variable so that we can
locate these scripts. But as we don't use the bin-wrappers, we'll
instead use the default location for merge tools, which is derived from
`GIT_EXEC_PATH`. And as `GIT_EXEC_PATH` points to our build directory,
which won't ever contain any of the merge tools, we will fail to locate
any of the merge tools.
This issue has went unnoticed for a long time given that we only skip
bin-wrappers on Windows, and because the CI jobs on Windows didn't
execute due to a bug.
Fix the issue by always setting the `MERGE_TOOL_DIR` environment
variable to the correct directory.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "ci/run-test-slice.sh" script can be used to slice up all of our
tests into N pieces and then run each of them on a separate CI job.
This is used by both GitLab and GitHub CI to speed up Windows tests,
which would otherwise be painfully slow.
The infra itself is fueled by `test-tool path-utils slice-tests`. This
tool receives as input an "offset" and a "stride" that can be combined
to slice up tests. This framing can be misleading though: you are
expected to pass a zero-based index as "offset", and the complete number
of slices to the "stride". The latter makes sense, but it is somewhat
surprising that the offset needs to be zero-based. And this is in fact
biting us: while GitHub passes zero-based indices, GitLab passes
`$CI_NODE_INDEX`, which is a one-based indice.
Ideally, we should have verification that the parameters make sense.
And naturally, one would for example expect that it's an error to call
the binary with an offset larger than the stride. But with the current
framing as "offset" it's not even wrong to do so, as it is of course
well-defined to start at a larger offset than the stride.
This means that we get this wrong on GitLab's CI, as we pass a one based
index there, and this causes us to skip one of the tests. Interestingly,
it's not the lexicographically first test that we skip. Instead, as we
sort tests by size before slicing them, we skip the _smallest_ test.
Reframe the problem to instead talk about "slice number" and "total
number of slices". For all of our use cases this is semantically
equivalent, but it allows us to perform some verifications:
- The total number of slices must be greater than 1.
- The selected slice must be between 1 <= nr <= slices_total.
As the indices are now one-based it means that GitLab's CI is fixed.
The GitHub workflow is updated accordingly.
Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Git alias names are limited to ASCII alphanumeric characters and
dashes because aliases are implemented as config variable names.
This prevents aliases being created in languages using characters outside that range.
Add support for arbitrary alias names by using config subsections:
[alias "förgrena"]
command = branch
The subsection name is matched as-is (case-sensitive byte comparison),
while the existing definition without a subsection (e.g.,
"[alias] co = checkout") remains case-insensitive for backward
compatibility. This uses existing config infrastructure since
subsections already support arbitrary bytes, and avoids introducing
Unicode normalization.
Also teach the help subsystem about the new syntax so that "git help
-a" properly lists subsection aliases and the autocorrect feature can
suggest them. Use utf8_strwidth() instead of strlen() for column
alignment so that non-ASCII alias names display correctly.
Suggested-by: Jeff King <peff@peff.net>
Signed-off-by: Jonatan Holmgren <jonatan@jontes.page>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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help.c has its own get_alias() config callback that duplicates the
parsing logic in alias.c. Consolidate by teaching list_aliases() to
also store the alias values (via the string_list util field), then
use it in list_all_cmds_help_aliases() instead of the private
callback.
This preserves the existing error checking for value-less alias
definitions by checking in alias.c rather than help.c.
No functional change intended.
Signed-off-by: Jonatan Holmgren <jonatan@jontes.page>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Several tests use a pattern that writes to a temporary file like this:
printf "do something with %d\n" $(test_seq <count>) >tmpfile &&
git do-something --stdin <tmpfile
Other tests use test_seq's -f parameter, but still write to a temporary file:
test_seq -f "do something with %d" <count> >input &&
git do-something --stdin <input
Simplify both of these patterns to
test_seq -f "do something with %d" <count> |
git do-something --stdin
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git format-patch" takes "--from=<user ident>" command line option
and uses the given ident for patch e-mails, but this is not applied
to the cover letter, the option is ignored and the committer ident
of the current user is used. This has been the case ever since
"--from" was introduced in a9080475 (teach format-patch to place
other authors into in-body "From", 2013-07-03).
Teach the make_cover_letter() function to honor the option, instead of
always using the current committer identity. Change variable name from
"committer" to "from" to better reflect the purpose of the variable.
Signed-off-by: Mirko Faina <mroik@delayed.space>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Test updates.
* sd/t7003-test-path-is-helpers:
t7003: modernize path existence checks using test helpers
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Test update.
* bk/t2003-modernise:
t2003: modernize path existence checks using test helpers
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"git merge-file" can be run outside a repository, but it ignored
all configuration, even the per-user ones. The command now uses
available configuration files to find its customization.
* yt/merge-file-outside-a-repository:
merge-file: honor merge.conflictStyle outside of a repository
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Allow recording process ID of the process that holds the lock next
to a lockfile for diagnosis.
* pc/lockfile-pid:
lockfile: add PID file for debugging stale locks
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Previous commits have set up an infrastructure for `--filter=auto` to
automatically prepare a partial clone filter based on what the server
advertised and the client accepted.
Using that infrastructure, let's now enable the `--filter=auto` option
in `git clone` and `git fetch` by setting `allow_auto_filter` to 1.
Note that these small changes mean that when `git clone --filter=auto`
or `git fetch --filter=auto` are used, "auto" is automatically saved
as the partial clone filter for the server on the client. Therefore
subsequent calls to `git fetch` on the client will automatically use
this "auto" mode even without `--filter=auto`.
Let's also set `allow_auto_filter` to 1 in `transport.c`, as the
transport layer must be able to accept the "auto" filter spec even if
the invoking command hasn't fully parsed it yet.
When an "auto" filter is requested, let's have the "fetch-pack.c" code
in `do_fetch_pack_v2()` compute a filter and send it to the server.
In `do_fetch_pack_v2()` the logic also needs to check for the
"promisor-remote" capability and call `promisor_remote_reply()` to
parse advertised remotes and populate the list of those accepted (and
their filters).
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In a following commit, we are going to allow passing "auto" as a
<filterspec> to the `--filter=<filterspec>` option, but only for some
commands. Other commands that support the `--filter=<filterspec>`
option should still die() when 'auto' is passed.
Let's set up the "list-objects-filter-options.{c,h}" infrastructure to
support that:
- Add a new `unsigned int allow_auto_filter : 1;` flag to
`struct list_objects_filter_options` which specifies if "auto" is
accepted or not by the current command.
- Change gently_parse_list_objects_filter() to parse "auto" if it's
accepted.
- Make sure we die() if "auto" is combined with another filter.
- Update list_objects_filter_release() to preserve the
allow_auto_filter flag, as this function is often called (via
opt_parse_list_objects_filter) to reset the struct before parsing a
new value.
Let's also update `list-objects-filter.c` to recognize the new
`LOFC_AUTO` choice. Since "auto" must be resolved to a concrete filter
before filtering actually begins, initializing a filter with
`LOFC_AUTO` is invalid and will trigger a BUG().
Note that ideally combining "auto" with "auto" could be allowed, but in
practice, it's probably not worth the added code complexity. And if we
really want it, nothing prevents us to allow it in future work.
If we ever want to give a meaning to combining "auto" with a different
filter too, nothing prevents us to do that in future work either.
Also note that the new `allow_auto_filter` flag depends on the command,
not user choices, so it should be reset to the command default when
`struct list_objects_filter_options` instances are reset.
While at it, let's add a new "u-list-objects-filter-options.c" file for
`struct list_objects_filter_options` related unit tests. For now it
only tests gently_parse_list_objects_filter() though.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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A previous commit allowed a server to pass additional fields through
the "promisor-remote" protocol capability after the "name" and "url"
fields, specifically the "partialCloneFilter" and "token" fields.
Another previous commit, c213820c51 (promisor-remote: allow a client
to check fields, 2025-09-08), has made it possible for a client to
decide if it accepts a promisor remote advertised by a server based
on these additional fields.
Often though, it would be interesting for the client to just store in
its configuration files these additional fields passed by the server,
so that it can use them when needed.
For example if a token is necessary to access a promisor remote, that
token could be updated frequently only on the server side and then
passed to all the clients through the "promisor-remote" capability,
avoiding the need to update it on all the clients manually.
Storing the token on the client side makes sure that the token is
available when the client needs to access the promisor remotes for a
lazy fetch.
To allow this, let's introduce a new "promisor.storeFields"
configuration variable.
Note that for a partial clone filter, it's less interesting to have
it stored on the client. This is because a filter should be used
right away and we already pass a `--filter=<filter-spec>` option to
`git clone` when starting a partial clone. Storing the filter could
perhaps still be interesting for information purposes.
Like "promisor.checkFields" and "promisor.sendFields", the new
configuration variable should contain a comma or space separated list
of field names. Only the "partialCloneFilter" and "token" field names
are supported for now.
When a server advertises a promisor remote, for example "foo", along
with for example "token=XXXXX" to a client, and on the client side
"promisor.storeFields" contains "token", then the client will store
XXXXX for the "remote.foo.token" variable in its configuration file
and reload its configuration so it can immediately use this new
configuration variable.
A message is emitted on stderr to warn users when the config is
changed.
Note that even if "promisor.acceptFromServer" is set to "all", a
promisor remote has to be already configured on the client side for
some of its config to be changed. In any case no new remote is
configured and no new URL is stored.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When a shallowed repository gets deepened beyond the beginning of a
merged branch, we may end up with some shallows that are hidden behind
the reachable shallow commits. Added test 'fetching deepen beyond
merged branch' exposes that behaviour.
An example showing the problem based on added test:
0. Whole initial git repo to be cloned from
Graph:
* 033585d (HEAD -> main) Merge branch 'branch'
|\
| * 984f8b1 (branch) five
| * ecb578a four
|/
* 0cb5d20 three
* 2b4e70d two
* 61ba98b one
1. Initial shallow clone --depth=3 (all good)
Shallows:
2b4e70da2a10e1d3231a0ae2df396024735601f1
ecb578a3cf37198d122ae5df7efed9abaca17144
Graph:
* 033585d (HEAD -> main) Merge branch 'branch'
|\
| * 984f8b1 five
| * ecb578a (grafted) four
* 0cb5d20 three
* 2b4e70d (grafted) two
2. Deepen shallow clone with fetch --deepen=1 (NOT OK)
Shallows:
0cb5d204f4ef96ed241feb0f2088c9f4794ba758
61ba98be443fd51c542eb66585a1f6d7e15fcdae
Graph:
* 033585d (HEAD -> main) Merge branch 'branch'
|\
| * 984f8b1 five
| * ecb578a four
|/
* 0cb5d20 (grafted) three
---
Note that second shallow commit 61ba98be443fd51c542eb66585a1f6d7e15fcdae
is not reachable.
On the other hand, it seems that equivalent absolute depth driven
fetches result in all the correct shallows. That led to this proposal,
which unifies absolute and relative deepening in a way that the same
get_shallow_commits() call is used in both cases. The difference is
only that depth is adapted for relative deepening by measuring
equivalent depth of current local shallow commits in the current remote
repo. Thus a new function get_shallows_depth() has been added and the
function get_reachable_list() became redundant / removed.
Same example showing the corrected second step:
2. Deepen shallow clone with fetch --deepen=1 (all good)
Shallow:
61ba98be443fd51c542eb66585a1f6d7e15fcdae
Graph:
* 033585d (HEAD -> main) Merge branch 'branch'
|\
| * 984f8b1 five
| * ecb578a four
|/
* 0cb5d20 three
* 2b4e70d two
* 61ba98b (grafted) one
The get_shallows_depth() function also shares the logic of the
get_shallow_commits() function, but it focuses on counting depth of
each existing shallow commit. The minimum result is stored as
'data->deepen_relative', which is set not to be zero for relative
deepening anyway. That way we can always sum 'data->deepen_relative'
and 'depth' values, because 'data->deepen_relative' is always 0 in
absolute deepening.
To avoid duplicating logic between get_shallows_depth() and
get_shallow_commits(), get_shallow_commits() was modified so that
it is used by get_shallows_depth().
Signed-off-by: Samo Pogačnik <samo_pogacnik@t-2.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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After deciding on all hunks in a file, the interactive session
advances automatically to the next file if there is another,
or the process ends.
Now using the `--no-auto-advance` flag with `--patch`, the process
does not advance automatically. A user can choose to go to the next
file by pressing '>' or the previous file by pressing '<', before or
after deciding on all hunks in the current file.
After all hunks have been decided in a file, the user can still
rework with the file by applying the options available in the permit
set for that hunk, and after all the decisions, the user presses 'q'
to submit.
After all hunks have been decided, the user can press '?' which will
show the hunk selection summary in the help patch remainder text
including the total hunks, number of hunks marked for use and number
of hunks marked for skip.
This feature is enabled by passing the `--no-auto-advance` flag
to `--patch` option of the subcommands add, stash, reset,
and checkout.
Signed-off-by: Abraham Samuel Adekunle <abrahamadekunle50@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When using the interactive add, reset, stash or checkout machinery,
we do not have the option of reworking with a file when selecting
hunks, because the session automatically advances to the next file
or ends if we have just one file.
Introduce the flag `--auto-advance` which auto advances by default,
when interactively selecting patches with the '--patch' option.
However, the `--no-auto-advance` option does not auto advance, thereby
allowing users the option to rework with files.
Signed-off-by: Abraham Samuel Adekunle <abrahamadekunle50@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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With the preceding commit we have changed "--ref-action=" to only
control which refs are supposed to be updated, not what happens with
them. As a consequence, the option is now somewhat misnamed, as we don't
control the action itself anymore.
Rename it to "--update-refs=" to better align it with its new use.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The git-history(1) command has the ability to perform a dry-run
that will not end up modifying any references. Instead, we'll only print
any ref updates that would happen as a consequence of performing the
operation.
This mode is somewhat hidden though behind the "--ref-action=print"
option. This command line option has its origin in git-replay(1), where
it's probably an okayish interface as this command is sitting more on
the plumbing side of tools. But git-history(1) is a user-facing tool,
and this way of achieving a dry-run is way too technical and thus not
very discoverable.
Besides usability issues, it also has another issue: the dry-run mode
will always operate as if the user wanted to rewrite all branches. But
in fact, the user also has the option to only update the HEAD reference,
and they might want to perform a dry-run of such an operation, too. We
could of course introduce "--ref-action=print-head", but that would
become even less ergonomic.
Replace "--ref-action=print" with a new "--dry-run" toggle. This new
toggle works with both "--ref-action={head,branches}" and is way more
discoverable.
Add a test to verify that both "--ref-action=" values behave as
expected.
This patch is best viewed with "--ignore-space-change".
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The replay infrastructure is not yet capable of replaying merge commits.
Unfortunately, we only notice that we're about to replay merges after we
have already asked the user for input, so any commit message that the
user may have written will be discarded in that case.
Fix this by checking whether the revwalk contains merge commits before
we ask for user input.
Adapt one of the tests that is expected to fail because of this check
to use false(1) as editor. If the editor had been executed by Git, it
would fail with the error message "Aborting commit as launching the
editor failed."
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When setting up the revision walk in git-history(1) we also perform some
verifications whether the request actually looks sane. Unfortunately,
these verifications come _after_ we have already asked the user for the
commit message of the commit that is to be rewritten. So in case any of
the verifications fails, the user will have lost their modifications.
Extract the function to set up the revision walk and call it before we
ask for user input to fix this.
Adapt one of the tests that is expected to fail because of this check
to use false(1) as editor. If the editor had been executed by Git, it
would fail with the error message "Aborting commit as launching the
editor failed."
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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If the user wants to find what are the available keys, they need to
either check the documentation or to ask for all the key-value pairs
by using --all.
Add a new flag --keys for listing only the available keys without
listing the values.
Signed-off-by: Lucas Seiki Oshiro <lucasseikioshiro@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Both subcommands in git-repo(1) accept the "keyvalue" format. This
format is newline-delimited, where the key is separated from the
value with an equals sign.
The name of this option is suboptimal though, as it is both too
limiting while at the same time not really indicating what it
actually does:
- There is no mention of the format being newline-delimited, which
is the key differentiator to the "nul" format.
- Both "nul" and "keyvalue" have a key and a value, so the latter
is not exactly giving any hint what makes it so special.
- "keyvalue" requires there to be, well, a key and a value, but we
want to add additional output that is only going to be newline
delimited.
Taken together, "keyvalue" is kind of a bad name for this output
format.
Luckily, the git-repo(1) command is still rather new and marked as
experimental, so things aren't cast into stone yet. Rename the
format to "lines" instead to better indicate that the major
difference is that we'll get newline-delimited output. This new name
will also be a better fit for a subsequent extension in git-repo(1).
Helped-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Lucas Seiki Oshiro <lucasseikioshiro@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git merge-ours" is taught to work better in a sparse checkout.
* sb/merge-ours-sparse:
merge-ours: integrate with sparse-index
merge-ours: drop USE_THE_REPOSITORY_VARIABLE
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Rename three functions around the commit_list data structure.
* ps/commit-list-functions-renamed:
commit: rename `free_commit_list()` to conform to coding guidelines
commit: rename `reverse_commit_list()` to conform to coding guidelines
commit: rename `copy_commit_list()` to conform to coding guidelines
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Giving "git last-modified" a tree (not a commit-ish) died an
uncontrolled death, which has been corrected.
* tc/last-modified-not-a-tree:
last-modified: verify revision argument is a commit-ish
last-modified: remove double error message
last-modified: fix memory leak when more than one commit is given
last-modified: rewrite error message when more than one commit given
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ISO C23 redefines strchr and friends that tradiotionally took
a const pointer and returned a non-const pointer derived from it to
preserve constness (i.e., if you ask for a substring in a const
string, you get a const pointer to the substring). Update code
paths that used non-const pointer to receive their results that did
not have to be non-const to adjust.
* cf/c23-const-preserving-strchr-updates-0:
gpg-interface: remove an unnecessary NULL initialization
global: constify some pointers that are not written to
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Add a new test script t0213-trace2-ancestry.sh that verifies
cmd_ancestry events across all three trace2 output formats (normal,
perf, and event).
The tests use the "400ancestry" test helper to spawn child processes
with controlled trace2 environments. Git alias resolution (which
spawns a child git process) creates a predictable multi-level process
tree. Filter functions extract cmd_ancestry events from each format,
truncating the ancestor list at the outermost "test-tool" so that only
the controlled portion of the tree is verified, regardless of the test
runner environment.
A runtime prerequisite (TRACE2_ANCESTRY) is used to detect whether the
platform has a real procinfo implementation; platforms with only the
stub are skipped.
We must pay attention to an extra ancestor on Windows (MINGW) when
running without the bin-wrappers (such as we do in CI). In this
situation we see an extra "sh.exe" ancestor after "test-tool.exe".
Also update the comment in t0210-trace2-normal.sh to reflect that
ancestry testing now has its own dedicated test script.
Signed-off-by: Matthew John Cheetham <mjcheetham@outlook.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a new test helper "400ancestry" to the trace2 test-tool that
spawns a child process with a controlled trace2 environment, capturing
only the child's trace2 output (including cmd_ancestry events) in
isolation.
The helper clears all inherited GIT_TRACE2* variables in the child
and enables only the requested target (normal, perf, or event),
directing output to a specified file. This gives the test suite a
reliable way to capture cmd_ancestry events: the child always sees
"test-tool" as its immediate parent in the process ancestry, providing
a predictable value to verify in tests.
Signed-off-by: Matthew John Cheetham <mjcheetham@outlook.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Replace assertion-style 'test -f' checks with Git's
test_path_is_file() helper for clearer failures and
consistency.
Signed-off-by: Ashwani Kumar Kamal <ashwanikamal.im421@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git blame --ignore-revs=... --color-lines" did not account for
ignored revisions passing blame to the same commit an adjacent line
gets blamed for.
* rs/blame-ignore-colors-fix:
blame: fix coloring for repeated suspects
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Test update.
* hs/t9160-test-paths:
t9160:modernize test path checking
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The "--stdin-packs" option can be used to merge objects from multiple
packfiles given via stdin into a new packfile. One big upside of this
option is that we don't have to perform a complete rev walk to enumerate
objects. Instead, we can simply enumerate all objects that are part of
the specified packfiles, which can be significantly faster in very large
repositories.
There is one downside though: when we don't perform a rev walk we also
don't have a good way to learn about the respective object's names. As a
consequence, we cannot use the name hashes as a heuristic to get better
delta selection.
We try to offset this downside though by performing a localized rev
walk: we queue all objects that we're about to repack as interesting,
and all objects from excluded packfiles as uninteresting. We then
perform a best-effort rev walk that allows us to fill in object names.
There is one gotcha here though: when "--exclude-promisor-objects" has
not been given we will perform backfill fetches for any promised objects
that are missing. This used to not be an issue though as this option was
mutually exclusive with "--stdin-packs". But that has changed recently,
and starting with dcc9c7ef47 (builtin/repack: handle promisor packs with
geometric repacking, 2026-01-05) we will now repack promisor packs
during geometric compaction. The consequence is that a geometric repack
may now perform a bunch of backfill fetches.
We of course cannot pass "--exclude-promisor-objects" to fix this
issue -- after all, the whole intent is to repack objects part of a
promisor pack. But arguably we don't have to: the rev walk is intended
as best effort, and we already configure it to ignore missing links to
other objects. So we can adapt the walk to unconditionally disable
fetching any missing objects.
Do so and add a test that verifies we don't backfill any objects.
Reported-by: Lukas Wanko <lwanko@gitlab.com>
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Improve set-up time of a perf test.
* ty/perf-3400-optim:
t/perf/p3400: speed up setup using fast-import
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The string_list API gains a new helper, string_list_sort_u(), and
new unit tests to extend coverage.
* ac/string-list-sort-u-and-tests:
string-list: add string_list_sort_u() that mimics "sort -u"
u-string-list: add unit tests for string-list methods
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A handful of code paths that started using batched ref update API
(after Git 2.51 or so) lost detailed error output, which have been
corrected.
* kn/ref-batch-output-error-reporting-fix:
fetch: delay user information post committing of transaction
receive-pack: utilize rejected ref error details
fetch: utilize rejected ref error details
update-ref: utilize rejected error details if available
refs: add rejection detail to the callback function
refs: skip to next ref when current ref is rejected
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"git replay" is taught to drop commits that become empty (not the
ones that are empty in the original).
* pw/replay-drop-empty:
replay: drop commits that become empty
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"git history" history rewriting UI.
* ps/history:
builtin/history: implement "reword" subcommand
builtin: add new "history" command
wt-status: provide function to expose status for trees
replay: support updating detached HEAD
replay: support empty commit ranges
replay: small set of cleanups
builtin/replay: move core logic into "libgit.a"
builtin/replay: extract core logic to replay revisions
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Replace direct uses of 'test -f' and 'test -d' with
git's helper functions 'test_path_is_file' ,
'test_path_is_missing' and 'test_path_is_dir'
Signed-off-by: SoutrikDas <valusoutrik@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The old style 'test -f' and 'test -d' checks are silent on failure,
which makes debugging difficult.
Replace them with the 'test_path_is_*' helpers which provide verbose
error messages when a test fails.
Signed-off-by: Burak Kaan Karaçay <bkkaracay@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When "git checkout <dwim>" and "git switch <dwim>" need to error out
due to ambiguity of the branch name <dwim>, these two commands give
an advise message with a sample command that tells the user how to
disambiguate from the parse_remote_branch() function. The sample
command hardcodes "git checkout", since this feature predates "git
switch" by a large margin. To a user who said "git switch <dwim>"
and got this message, it is confusing.
Pass the "enum checkout_command", which was invented in the previous
step for this exact purpose, down the call chain leading to
parse_remote_branch() function to change the sample command shown to
the user in this advise message.
Also add a bit more test coverage for this "fail to DWIM under
ambiguity" that we lack, as well as the message we produce when we
fail.
Reported-by: Simon Cheng <cyqsimon@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We'll be implementing some of our interoperability code, like the loose
object map, in Rust. While the code currently compiles with the old
loose object map format, which is written entirely in C, we'll soon
replace that with the Rust-based implementation.
Require the use of Rust for compatibility mode and die if it is not
supported. Because the repo argument is not used when Rust is missing,
cast it to void to silence the compiler warning, which we do not care
about.
Add a prerequisite in our tests, RUST, that checks if Rust functionality
is available and use it in the tests that handle interoperability.
This is technically a regression in functionality compared to our
existing state, but pack index v3 is not yet implemented and thus the
functionality is mostly quite broken, which is why we've recently marked
this functionality as experimental. We don't believe anyone is getting
useful use out of the interoperability code in its current state, so no
actual users should be negatively impacted by this change.
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When running outside a repository, git merge-file ignores the
merge.conflictStyle configuration variable entirely. Since the
function receives `repo` from the caller (which is NULL outside a
repository), and repo_config() falls back to reading system and user
configuration when passed NULL, pass `repo` to repo_config()
unconditionally.
Also document that merge.conflictStyle is honored.
Signed-off-by: Yannik Tausch <dev@ytausch.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The merge-ours built-in opens the index to compare it against HEAD.
The machinery used to do this (i.e. run_diff_index()) is capable of
working with a sparse index, but the start-up sequence of this
command does not take the necessary steps, so we end up expanding the
index fully before doing the comparison.
In order to convince sparse-index.c:is_sparse_index_allowed() to
return true, we need to:
- Read basic configuration with git_default_config so that global
variables like core_apply_sparse_checkout are populated.
merge-ours currently does not read configuration at all.
- Set command_requires_full_index to 0.
With that, the command can work without expanding the index fully
before doing its work.
Signed-off-by: Sam Bostock <sam@sambostock.ca>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There are tests that rely on "git add <submodule>" to update the in the
reference in the parent repository which have been updated to use the
--force option.
Updated tests:
- t1013-read-tree-submodule.sh ( fixed in: t/lib-submodule-update.sh )
- t2013-checkout-submodule.sh ( fixed in: t/lib-submodule-update.sh )
- t7406-submodule-update.sh
- t7508-status.sh
Signed-off-by: Claus Schneider(Eficode) <claus.schneider@eficode.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The tests verify that the submodule behavior is intact and updating the
config with ignore=all also behaves as intended with configuration in
.gitmodules and configuration given on the command line.
The usage of --force is showcased and tested in the test suite.
The test file is added to meson.build for execution.
Signed-off-by: Claus Schneider(Eficode) <claus.schneider@eficode.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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