| Age | Commit message (Collapse) | Author | Files | Lines |
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Test update.
* bk/t2003-modernise:
t2003: modernize path existence checks using test helpers
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Code clean-up to use the commit_stack API.
* rs/commit-commit-stack:
commit: use commit_stack
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Clean up redundant includes of header files.
* rs/clean-includes:
remove duplicate includes
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Reduce dependency on the_repository of xdiff-interface layer.
* rs/xdiff-wo-the-repository:
xdiff-interface: stop using the_repository
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Code clean-up.
* rs/version-wo-the-repository:
version: stop using the_repository
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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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A handful of documentation pages have been modernized to use the
"synopsis" style.
* ja/doc-synopsis-style-even-more:
doc: convert git-show to synopsis style
doc: fix some style issues in git-clone and for-each-ref-options
doc: finalize git-clone documentation conversion to synopsis style
doc: convert git-submodule to synopsis style
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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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The `core.attributeFile` config value is parsed in
git_default_core_config(), loaded eagerly and stored in the global
variable `git_attributes_file`. Storing this value in a global
variable can lead to it being overwritten by another repository when
more than one Git repository run in the same Git process.
Create a new struct `repo_config_values` to hold this value and
other repository dependent values parsed by `git_default_config()`.
This will ensure the current behaviour remains the same while also
enabling the libification of Git.
An accessor function 'repo_config_values()' s created to ensure
that we do not access an uninitialized repository, or an instance
of a different repository than the current one.
Suggested-by: Phillip Wood <phillip.wood123@gmail.com>
Mentored-by: Christian Couder <christian.couder@gmail.com>
Mentored-by: Usman Akinyemi <usmanakinyemi202@gmail.com>
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Olamide Caleb Bello <belkid98@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On mobile, long project names in the page header can wrap to multiple lines,
but the fixed 25px header height does not grow with wrapped content.
Switch the header from fixed height to min-height so it expands as needed
while keeping the same baseline height for single-line titles.
Signed-off-by: Rito Rhymes <rito@ritovision.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On narrow screens, footer text can wrap, but the fixed 22px footer height
and floated footer blocks can cause overflow.
Switch to min-height and add a clearfix on the footer container so it grows
to contain wrapped float content cleanly.
Signed-off-by: Rito Rhymes <rito@ritovision.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On mobile-sized viewports, gitweb pages in log/commit/blob/diff views can
overflow horizontally due to desktop-oriented paddings and fixed-width
preformatted content.
Extend the existing mobile media query to rebalance those layouts: reduce
or clear paddings in log/commit sections, and allow horizontal scrolling
for preformatted blob/diff content instead of forcing page-wide overflow.
All layout adjustments in this patch are mobile-scoped, except one global
safeguard: set overflow-wrap:anywhere on div.log_body. Log content can
contain escaped or non-breaking text that behaves like a single long token
and can overflow at any viewport width, including desktop.
Signed-off-by: Rito Rhymes <rito@ritovision.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On narrow screens, the project search input can exceed the available width
and force page-wide horizontal scrolling.
Add a mobile media query and apply side padding to the search container,
then cap the input width to its container with border-box sizing so the
form stays within the viewport.
Signed-off-by: Rito Rhymes <rito@ritovision.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Without a viewport meta tag, phone browsers render gitweb at desktop
width and scale the whole page down to fit the screen.
Add a viewport meta tag so the layout viewport tracks device width.
This is the baseline needed for mobile CSS fixes in follow-up commits.
Signed-off-by: Rito Rhymes <rito@ritovision.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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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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The `promisor_remote_reply()` function performs two tasks:
1. It uses filter_promisor_remote() to parse the server's
"promisor-remote" advertisement and to mark accepted remotes in the
repository configuration.
2. It assembles a reply string containing the accepted remote names to
send back to the server.
In a following commit, the fetch-pack logic will need to trigger the
side effect (1) to ensure the repository state is correct, but it will
not need to send a reply (2).
To avoid assembling a reply string when it is not needed, let's change
the signature of promisor_remote_reply(). It will now return `void` and
accept a second `char **accepted_out` argument. Only if that argument
is not NULL will a reply string be assembled and returned back to the
caller via that argument.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Currently, advertised filters are only kept in memory temporarily
during parsing, or persisted to disk if `promisor.storeFields`
contains 'partialCloneFilter'.
In a following commit though, we will add a `--filter=auto` option.
This option will enable the client to use the filters that the server
is suggesting for the promisor remotes the client accepts.
To use them even if `promisor.storeFields` is not configured, these
filters should be stored somewhere for the current session.
Let's add an `advertised_filter` field to `struct promisor_remote`
for that purpose.
To ensure that the filters are available in all cases,
filter_promisor_remote() captures them into a temporary list and
applies them to the `promisor_remote` structs after the potential
configuration reload.
Then the accepted remotes are marked as `accepted` in the repository
state. This ensures that subsequent calls to look up accepted remotes
(like in the filter construction below) actually find them.
In a following commit, we will add a `--filter=auto` option that will
enable a client to use the filters suggested by the server for the
promisor remotes the client accepted.
To enable the client to construct a filter spec based on these filters,
let's also add a `promisor_remote_construct_filter(repo)` function.
This function:
- iterates over all accepted promisor remotes in the repository,
- collects the filters advertised for them (using `advertised_filter`
added in this commit, and
- generates a single filter spec for them.
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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The `--filter=<filter-spec>` option is documented in most commands that
support it except `git fetch`.
Let's fix that and document this option. To ensure consistency across
commands, let's reuse the exact description currently found in
`git clone`.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `struct list_objects_filter_options filter_options` variable used
in "builtin/fetch.c" to store the parsed filters specified by
`--filter=<filterspec>` is currently a static variable global to the
file.
As we are going to use it more in a following commit, it could become a
bit less easy to understand how it's managed.
To avoid that, let's make it clear that it's owned by cmd_fetch() by
moving its definition into that function and making it non-static.
This requires passing a pointer to it through the prepare_transport(),
do_fetch(), backfill_tags(), fetch_one_setup_partial(), and fetch_one()
functions, but it's quite straightforward.
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The `struct list_objects_filter_options filter_options` variable used
in "builtin/clone.c" to store the parsed filters specified by
`--filter=<filterspec>` is currently a static variable global to the
file.
As we are going to use it more in a following commit, it could become
a bit less easy to understand how it's managed.
To avoid that, let's make it clear that it's owned by cmd_clone() by
moving its definition into that function and making it non-static.
The only additional change to make this work is to pass it as an
argument to checkout(). So it's a small quite cheap cleanup anyway.
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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In "promisor-remote.c", the fields_sent() and fields_checked()
functions serve similar purposes and contain a small amount of
duplicated code.
As we are going to add a similar function in a following commit,
let's refactor this common code into a new initialize_fields_list()
function.
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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The local object_array 'stack' in get_shallow_commits() function
does not free its dynamic elements before the function returns.
As a result elements remain allocated and their reference forgotten.
Also note, that test 'fetching deepen beyond merged branch' added by
'shallow: handling fetch relative-deepen' patch fails without this
correction in linux-leaks and linux-reftable-leaks test runs.
Signed-off-by: Samo Pogačnik <samo_pogacnik@t-2.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git-cherry(1) links to this command. These two commands are similar and
we also mention it in the “Examples” section now. Let’s link to it.
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The utility and usability of git-patch-id(1) was discussed
relatively recently:[1]
Using "git patch-id" is definitely in the "write a script for it"
category. I don't think I've ever used it as-is from the command
line as part of a one-liner. It's very much a command that is
designed purely for scripting, the interface is just odd and baroque
and doesn't really make sense for one-liners.
The typical use of patch-id is to generate two *lists* of patch-ids,
then sort them and use the patch-id as a key to find commits that
look the same.
The command doc *could* use an example, and since it is a mapper command
it makes sense for that example to be a little script.
Mapping the commits of some branch to an upstream ref allows us to
demonstrate generating two lists, sorting them, joining them, and
finally discarding the patch ID lookup column with cut(1).
† 1: https://lore.kernel.org/workflows/CAHk-=wiN+8EUoik4UeAJ-HPSU7hczQP+8+_uP3vtAy_=YfJ9PQ@mail.gmail.com/
Inspired-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Emphasize that you can pass multiple patches or diffs to this command.
git-patch-id(1) is an efficient pID–commit mapper, able to map
thousands of commits in seconds. But discussions on the command
seem to typically[1] use the standard loop-over-rev-list-and-
shell-out pattern:
for commit in rev-list:
prepare a diff from commit | git patch-id
This is unnecessary; we can bulk-process the patches:
git rev-list --no-merges <ref> |
git diff-tree --patch --stdin |
git patch-id --stable
The first version (translated to shell) takes a little over nine
minutes for a commit history of about 78K commits.[2] The other one,
by contrast, takes slightly less than a minute.
Also drop “the” from “standard input”.
† 1: https://stackoverflow.com/a/19758159
† 2: This is `master` of this repository on 2025-10-02
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
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 the flag `--no-auto-advance` is used with `--patch`,
if the user has decided `USE` on a hunk in a file, goes to another
file, and then returns to this file and changes the previous
decision on the hunk to `SKIP`, because the patch has already
been applied, the last decision is not registered and the now
SKIPPED hunk is still applied.
Move the logic for applying patches into a function so that we can
reuse this logic to implement the all or non application of the patches
after the user is done with the hunk selection.
Signed-off-by: Abraham Samuel Adekunle <abrahamadekunle50@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The function `patch_update_file()` takes the add_p_state struct
pointer and the current `struct file_diff` pointer and returns an
int.
When using the `--no-auto-advance` flag, we want to be able to request
the next or previous file from the caller.
Modify the function signature to instead take the index of the
current `file_diff` and the `add_p_state` struct pointer so that we
can compute the `file_diff` from the index while also having
access to the file index. This will help us request the next or
previous file from the caller.
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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To strip path components from our refname string, we repeatedly call
strrchr() to find the trailing slash, shortening the string each time by
assigning NUL over it. This has two downsides:
1. Calling strrchr() in a loop is quadratic, since each call has to
call strlen() under the hood to find the end of the string (even
though we know exactly where it is from the last loop iteration).
2. We need a temporary buffer, since we're munging the string with NUL
as we shorten it (which we must do, because strrchr() has no other
way of knowing what we consider the end of the string).
Using memrchr() would let us fix both of these, but it isn't portable.
So instead, let's just open-code the string traversal from back to
front as we loop.
I doubt that the quadratic nature is a serious concern. You can see it
in practice with something like:
git init
git commit --allow-empty -m foo
echo "$(git rev-parse HEAD) refs/heads$(perl -e 'print "/a" x 500_000')" >.git/packed-refs
time git for-each-ref --format='%(refname:rstrip=-1)'
That takes ~5.5s to run on my machine before this patch, and ~11ms
after. But I don't think there's a reasonable way for somebody to infect
you with such a garbage ref, as the wire protocol is limited to 64k
pkt-lines. The difference is measurable for me for a 32k-component ref
(about 19ms vs 7ms), so perhaps you could create some chaos by pushing a
lot of them. But we also run into filesystem limits (if the loose
backend is in use), and in practice it seems like there are probably
simpler and more effective ways to waste CPU.
Likewise the extra allocation probably isn't really measurable. In fact,
since our goal is to return an allocated string, we end up having to
make the same allocation anyway (though it is sized to the result,
rather than the input). My main goal was simplicity in avoiding the need
to handle cleaning it up in the early return path.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We're stripping path components from the end of a string, which we do by
assigning a NUL as we parse each component, shortening the string. This
requires an extra temporary buffer to avoid munging our input string.
But the way that we allocate the buffer is unusual. We have an extra
"to_free" variable. Usually this is used when the access variable is
conceptually const, like:
const char *foo;
char *to_free = NULL;
if (...)
foo = to_free = xstrdup(...);
else
foo = some_const_string;
...
free(to_free);
But that's not what's happening here. Our "start" variable always points
to the allocated buffer, and to_free is redundant. Worse, it is marked
as const itself, requiring a cast when we free it.
Let's drop to_free entirely, and mark "start" as non-const, making the
memory handling more clear. As a bonus, this also silences a warning
from glibc-2.43 that our call to strrchr() implicitly strips away the
const-ness of "start".
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We're walking forward in the string, skipping path components from
left-to-right. So when we've stripped as much as we want, the pointer we
have is a complete NUL-terminated string and we can just return it
(after duplicating it, of course). So there is no need for a temporary
allocated string.
But we do make an extra temporary copy due to f0062d3b74 (ref-filter:
free item->value and item->value->s, 2018-10-18). This is probably from
cargo-culting the technique used in rstrip_ref_components(), which
_does_ need a separate string (since it is stripping from the end and
ties off the temporary string with a NUL).
Let's drop the extra allocation. This is slightly more efficient, but
more importantly makes the code much simpler.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The "lstrip" and "rstrip" options to the %(refname) placeholder both
accept a negative length, which asks us to keep that many path
components (rather than stripping that many).
The code to count components and convert the negative value to a
positive was copied from lstrip to rstrip in 1a34728e6b (ref-filter: add
an 'rstrip=<N>' option to atoms which deal with refnames, 2017-01-10).
Let's factor it out into a separate function. This reduces duplication
and also makes the lstrip/rstrip functions much easier to follow, since
the bulk of their code is now the actual stripping.
Note that the computed "remaining" value is currently stored as a
"long", so in theory that's what our function should return. But this is
purely historical. When the variable was added in 0571979bd6 (tag: do
not show ambiguous tag names as "tags/foo", 2016-01-25), we parsed the
value from strtol(), and thus used a long. But these days we take "len"
as an int, and also use an int to count up components. So let's just
consistently use int here. This value could only overflow in a
pathological case (e.g., 4GB worth of "a/a/...") and even then will not
result in out-of-bounds memory access (we keep stripping until we run
out of string to parse).
The minimal Myers diff here is a little hard to read; with --patience
the code movement is shown much more clearly.
Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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While we document the values that can be passed to the "--update-refs="
option, we don't give the user any hint what the default behaviour is.
Document it.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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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The new "git-gui--askyesno" helper script has only been wired up for our
Makefile, not for Meson. Wire it up properly to bring both build systems
on par with each other again.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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In e749c87 (git-gui: provide question helper for retry fallback on
Windows, 2025-08-28) we have introudced a new "git-gui--askyesno" helper
script. While the script is conceptually similar to our existing helper
script "git-gui--askpass", we don't massage it via "generate-script.sh".
This means that build options like the path to the wish shell are not
propagated correctly.
Fix this issue.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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Meson detects the path of the target shell via `find_program("sh")`,
which essentially does a lookup via `PATH`. We know that almost all
systems have "/bin/sh" available though, which makes it the superior
choice as a default value.
Adapt `find_program()` to prefer "/bin/sh" over any other "sh"
executable.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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The GIT-VERSION-GEN script sets up GIT_CEILING_DIRECTORIES so that we
won't accidentally parse version information from an unrelated parent
repository. The ceiling is derived from the source directory by simply
appendign "/.." to it, which mean that we'll only consider the current
directory for repository discovery.
This works alright in the case where git-gui is built as a standalone
project, but it breaks when git-gui is embedded into a _related_ parent
project. This is for example how git-gui is distributed via Git.
Interestingly enough, the version information is still derived properly
when building git-gui via Git's Makefile. In that case we eventually end
up specifying the ceiling directory as "./.." as we use relative paths
there, and that seems to not restrict the repository discovery.
But when building via Meson we specify the source directory as an
absolute path, and if so the repository discovery _is_ stopped. The
consequence is that we won't be able to derive the version in that case.
Fix the issue by adding a new optional parameter to GIT-VERSION-GEN that
allows the caller to override the parent project directory and wire up
new build options for Meson and Make that allows users to specify it.
Note that by default we won't set the parent project directory. This
isn't required for Meson anyway as we already use absolute paths there,
but for our Makefile it means that we still end up with "./.." as
ceiling directory, which is ineffective. But using e.g. pwd(1) as the
default value would break downstream's version generation, unless we
updated git-gui and the Makefile at the same point in time.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
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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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We often say things like /* NEEDSWORK: further _do_ _this_ */ in
comments, but it is a short-hand to say "We might later want to do
this. We might not. We do not have to decide it right now at this
moment in the commit this comment was added. If somebody is
inclined to work in this area further, the first thing they need to
do is to figure out if it truly makes sense to do so, before blindly
doing it."
This seems to have never been documented. Do so now.
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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"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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