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When option '--onto' is passed to git-replay(1), the command will update
refs from the <revision-range> passed to the command. When using option
'--advance' or '--revert', the argument of that option is a ref that
will be updated.
To enable users to specify which ref to update, add option '--ref'. When
using option '--ref', the refs described above are left untouched and
instead the argument of this option is updated instead.
Because this introduces code paths in replay.c that jump to `out` before
init_basic_merge_options() is called on `merge_opt`, zero-initialize the
struct.
Signed-off-by: Toon Claes <toon@iotcl.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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gitcli(7) suggests to use stuck form. Change the documentation strings
to use this form.
While at it, reorder them to match the order in the docs.
Signed-off-by: Toon Claes <toon@iotcl.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The options '--onto', '--advance', '--revert', and '--ref-action' of
git-replay(1) are not negatable. Mark them as such using
PARSE_OPT_NONEG.
Signed-off-by: Toon Claes <toon@iotcl.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a `--revert <branch>` mode to git replay that undoes the changes
introduced by the specified commits. Like --onto and --advance, --revert
is a standalone mode: it takes a branch argument and updates that branch
with the newly created revert commits.
At GitLab, we need this in Gitaly for reverting commits directly on bare
repositories without requiring a working tree checkout.
The approach is the same as sequencer.c's do_pick_commit() -- cherry-pick
and revert are just the same three-way merge with swapped arguments:
- Cherry-pick: merge(ancestor=parent, ours=current, theirs=commit)
- Revert: merge(ancestor=commit, ours=current, theirs=parent)
We swap the base and pickme trees passed to merge_incore_nonrecursive()
to reverse the diff direction.
Reverts are processed newest-first (matching git revert behavior) to
reduce conflicts by peeling off changes from the top. Each revert
builds on the result of the previous one via the last_commit fallback
in the main replay loop, rather than relying on the parent-mapping
used for cherry-pick.
Revert commit messages follow the usual git revert conventions: prefixed
with "Revert" (or "Reapply" when reverting a revert), and including
"This reverts commit <hash>.". The author is set to the current user
rather than preserving the original author, matching git revert behavior.
Helped-by: Christian Couder <christian.couder@gmail.com>
Helped-by: Patrick Steinhardt <ps@pks.im>
Helped-by: Elijah Newren <newren@gmail.com>
Helped-by: Phillip Wood <phillip.wood123@gmail.com>
Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Toon Claes <toon@iotcl.com>
Signed-off-by: Siddharth Asthana <siddharthasthana31@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Move the core logic used to replay commits into "libgit.a" so that it
can be easily reused by other commands. It will be used in a subsequent
commit where we're about to introduce a new git-history(1) command.
Note that with this change we have no sign-comparison warnings anymore,
and neither do we depend on `the_repository`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We're about to move the core logic used to replay revisions onto a new
base into the "libgit.a" library. Prepare for this by pulling out the
logic into a new function `replay_revisions()` that:
1. Takes a set of revisions to replay and some options that tell it how
it ought to replay the revisions.
2. Replays the commits.
3. Records any reference updates that would be caused by replaying the
commits in a structure that is owned by the caller.
The logic itself will be moved into a separate file in the next commit.
This change is not expected to cause user-visible change in behaviour.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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`parse_object` can return `NULL`. That will in turn make
`repo_peel_to_type` return the same.
Let’s die fast and descriptively with the `*_or_die` variant.
Suggested-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Suggested-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Giving an invalid commit-ish to `--onto` makes git-replay(1) fail with:
fatal: Replaying down to root commit is not supported yet!
Going backwards from this point:
1. `onto` is `NULL` from `set_up_replay_mode`;
2. that function in turn calls `peel_committish`; and
3. here we return `NULL` if `repo_get_oid` fails.
Let’s die immediately with a descriptive error message instead.
Doing this also provides us with a descriptive error if we “forget” to
provide an argument to `--onto` (but we really do unintentionally):[1]
$ git replay --onto ^main topic1
fatal: '^main' is not a valid commit-ish
Note that the `--advance` case won’t be triggered in practice because
of the “argument to --advance must be a reference” check (see the
previous test, and commit).
† 1: The argument to `--onto` is mandatory and the option parser accepts
both `--onto=<name>` (stuck form) and `--onto name`. The latter
form makes it easy to unintentionally pass something to the option
when you really meant to pass a positional argument.
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We are about to make `peel_committish` die when it cannot find
a commit-ish instead of returning `NULL`. But that would make e.g.
`git replay --advance=refs/non-existent` die with a less descriptive
error message; the highest-level error message is that the name does
not exist as a ref, not that we cannot find a commit-ish based on
the name.
Let’s try to find the ref and only after that try to peel to
as a commit-ish.
Also add a regression test to protect this error order from future
modifications.
Suggested-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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22d99f01 (replay: add --advance or 'cherry-pick' mode, 2023-11-24) both
added `--advance` and made one of `--onto` or `--advance` mandatory.
But `determine_replay_mode` claims that there is a third alternative;
neither of `--onto` or `--advance` were given:
if (onto_name) {
...
} else if (*advance_name) {
...
} else {
...
}
But this is false—the fallthrough else-block is dead code.
Commit 22d99f01 was iterated upon by several people.[1] The initial
author wrote code for a sort of *guess mode*, allowing for shorter
commands when that was possible. But the next person instead made one
of the aforementioned options mandatory. In turn this code was dead on
arrival in git.git.
[1]: https://lore.kernel.org/git/CABPp-BEcJqjD4ztsZo2FTZgWT5ZOADKYEyiZtda+d0mSd1quPQ@mail.gmail.com/
Let’s remove this code. We can also join the if-block with the
condition `!*advance_name` into the `*onto` block since we do not set
`*advance_name` in this function. It only looked like we might set it
since the dead code has this line:
*advance_name = xstrdup_or_null(last_key);
Let’s also rename the function since we do not determine the
replay mode here. We just set up `*onto` and refs to update.
Note that there might be more dead code caused by this *guess mode*.
We only concern ourselves with this function for now.
Helped-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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"git replay --onto=<commit> ...", when <commit> is mistyped,
started to segfault with recent change, which has been corrected.
* rs/replay-wrong-onto-fix:
replay: move onto NULL check before first use
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"git replay" documentation updates.
* kh/doc-replay-updates:
doc: replay: link section using markup
replay: improve --contained and add to doc
doc: replay: mention no output on conflicts
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There is no documentation for `--contained`.
Start by copying the text from `replay_options` in `builtin/
replay.c`. But some people think that the existing text is a
bit unclear; what does it mean for a branch to be contained
in a revision range? Let’s include the implied commits here:
the branches that point at commits in the range.
Also use “update” instead of “advance”. “Update” is the verb
commonly used in this context.
Helped-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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cmd_replay() aborts if the pointer "onto" is NULL after argument
parsing, e.g. when specifying a non-existing commit with --onto.
15cd4ef1f4 (replay: make atomic ref updates the default behavior,
2025-11-06) added code that dereferences this pointer before the check.
Switch their places to avoid a segmentation fault.
Reported-by: Kristoffer Haugsbakk <kristofferhaugsbakk@fastmail.com>
Signed-off-by: René Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The use of "revision" (a connected set of commits) has been
clarified in the "git replay" documentation.
* en/replay-doc-revision-range:
Documentation/git-replay.adoc: fix errors around revision range
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"git replay" forgot to omit the "gpgsig-sha256" extended header
from the resulting commit the same way it omits "gpgsig", which has
been corrected.
* pw/replay-exclude-gpgsig-fix:
replay: do not copy "gpgsign-sha256" header
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There was significant confusion in the git-replay manual about what
constitutes a revision range. As noted in f302c1e4aa09 (revisions(7):
clarify that most commands take a single revision range, 2021-05-18):
Commands that are specifically designed to take two distinct ranges
(e.g. "git range-diff R1 R2" to compare two ranges) do exist, but they
are exceptions. Unless otherwise noted, all "git" commands that operate
on a set of commits work on a single revision range.
`git replay` is not an exception, but a few places in the manual were
written as though it were. These appear to have come in revisions to
the original series, between v3->v4 (see
https://lore.kernel.org/git/CAP8UFD3bpLrVW97DH7j=V9H2GsTSAkksC9L3QujQERFk_kLnZA@mail.gmail.com/
, "More than one <revision-range> can be passed") and between v6->v7
(https://lore.kernel.org/git/20231115143327.2441397-1-christian.couder@gmail.com/,
"Takes ranges of commits"), and I missed both of these revisions when
reviewing. Fix them now.
There was also a reference to the "Commit Limiting options below", but
this page has no such section of options; strike the misleading
reference.
It is worth noting that we are documenting existing behavior, rather
than optimal behavior. Junio has multiple times suggested introducing
alternative ways to walk revisions and use them in `git replay
--advance`, e.g. at
* https://lore.kernel.org/git/xmqqy1mqo6kv.fsf@gitster.g/
* https://lore.kernel.org/git/xmqq8rb3is8c.fsf@gitster.g/
* https://lore.kernel.org/git/xmqqtsydj2zk.fsf@gitster.g/ (item (2))
If/when we introduce some new revision walking flag that implements one
of these alternate types of revision walks, we can update the --advance
option and this manual appropriately.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When "git replay" replays a commit it copies the extended headers
across from the original commit. However, if the original commit
was signed, we do not want to copy the header associated with the
signature is it wont be valid for the new commit. The code already
knows to avoid coping the "gpgsig" header but does not know to avoid
copying the "gpgsig-sha256" header. Add that header to the list of
exclusions to match what "git commit --amend" does.
Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Add a configuration variable to control the default behavior of git replay
for updating references. This allows users who prefer the traditional
pipeline output to set it once in their config instead of passing
--ref-action=print with every command.
The config variable uses string values that mirror the behavior modes:
* replay.refAction = update (default): atomic ref updates
* replay.refAction = print: output commands for pipeline
Helped-by: Junio C Hamano <gitster@pobox.com>
Helped-by: Elijah Newren <newren@gmail.com>
Helped-by: Christian Couder <christian.couder@gmail.com>
Helped-by: Phillip Wood <phillip.wood123@gmail.com>
Signed-off-by: Siddharth Asthana <siddharthasthana31@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The git replay command currently outputs update commands that can be
piped to update-ref to achieve a rebase, e.g.
git replay --onto main topic1..topic2 | git update-ref --stdin
This separation had advantages for three special cases:
* it made testing easy (when state isn't modified from one step to
the next, you don't need to make temporary branches or have undo
commands, or try to track the changes)
* it provided a natural can-it-rebase-cleanly (and what would it
rebase to) capability without automatically updating refs, similar
to a --dry-run
* it provided a natural low-level tool for the suite of hash-object,
mktree, commit-tree, mktag, merge-tree, and update-ref, allowing
users to have another building block for experimentation and making
new tools
However, it should be noted that all three of these are somewhat
special cases; users, whether on the client or server side, would
almost certainly find it more ergonomic to simply have the updating
of refs be the default.
For server-side operations in particular, the pipeline architecture
creates process coordination overhead. Server implementations that need
to perform rebases atomically must maintain additional code to:
1. Spawn and manage a pipeline between git-replay and git-update-ref
2. Coordinate stdout/stderr streams across the pipe boundary
3. Handle partial failure states if the pipeline breaks mid-execution
4. Parse and validate the update-ref command output
Change the default behavior to update refs directly, and atomically (at
least to the extent supported by the refs backend in use). This
eliminates the process coordination overhead for the common case.
For users needing the traditional pipeline workflow, add a new
--ref-action=<mode> option that preserves the original behavior:
git replay --ref-action=print --onto main topic1..topic2 | git update-ref --stdin
The mode can be:
* update (default): Update refs directly using an atomic transaction
* print: Output update-ref commands for pipeline use
Test suite changes:
All existing tests that expected command output now use
--ref-action=print to preserve their original behavior. This keeps
the tests valid while allowing them to verify that the pipeline workflow
still works correctly.
New tests were added to verify:
- Default atomic behavior (no output, refs updated directly)
- Bare repository support (server-side use case)
- Equivalence between traditional pipeline and atomic updates
- Real atomicity using a lock file to verify all-or-nothing guarantee
- Test isolation using test_when_finished to clean up state
- Reflog messages include replay mode and target
A following commit will add a replay.refAction configuration
option for users who prefer the traditional pipeline output as their
default behavior.
Helped-by: Elijah Newren <newren@gmail.com>
Helped-by: Patrick Steinhardt <ps@pks.im>
Helped-by: Christian Couder <christian.couder@gmail.com>
Helped-by: Phillip Wood <phillip.wood123@gmail.com>
Signed-off-by: Siddharth Asthana <siddharthasthana31@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In preparation for adding the --ref-action option, convert option
validation to use die_for_incompatible_opt2(). This helper provides
standardized error messages for mutually exclusive options.
The following commit introduces --ref-action which will be incompatible
with certain other options. Using die_for_incompatible_opt2() now means
that commit can cleanly add its validation using the same pattern,
keeping the validation logic consistent and maintainable.
This also aligns git-replay's option handling with how other Git commands
manage option conflicts, using the established die_for_incompatible_opt*()
helper family.
Signed-off-by: Siddharth Asthana <siddharthasthana31@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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pretty.c:repo_logmsg_reencode() allocated memory should be freed with
repo_unuse_commit_buffer(). Callers sometimes forgot free it at exit
point. Add `repo_unuse_commit_buffer()` in insert_records_from_trailers
at builtin/shortlog.c and create_commit at builtin/replay.c
Signed-off-by: Lidong Yan <502024330056@smail.nju.edu.cn>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Replace the_repository everywhere with repo, feed repo from cmd_replay()
to all the other functions in the file that need it, and remove the
UNUSED annotation on repo.
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The functions die_for_incompatible_opt3() and
die_for_incompatible_opt4() already exist to die whenever a user
specifies three or four options respectively that are not compatible.
Introduce die_for_incompatible_opt2() which dies when two options that
are incompatible are set.
Signed-off-by: Toon Claes <toon@iotcl.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Mark code units that generate warnings with `-Wsign-compare`. This
allows for a structured approach to get rid of all such warnings over
time in a way that can be easily measured.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Instead of including USE_THE_REPOSITORY_VARIABLE by default on every
builtin, remove it from builtin.h and add it to all the builtins that
include builtin.h (by definition, that means all builtins/*.c).
Also, remove the include statement for repository.h since it gets
brought in through builtin.h.
The next step will be to migrate each builtin
from having to use the_repository.
Signed-off-by: John Cai <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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In order to reduce the usage of the global the_repository, add a
parameter to builtin functions that will get passed a repository
variable.
This commit uses UNUSED on most of the builtin functions, as subsequent
commits will modify the actual builtins to pass the repository parameter
down.
Signed-off-by: John Cai <johncai86@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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More leakfixes.
* ps/leakfixes-part-3: (24 commits)
commit-reach: fix trivial memory leak when computing reachability
convert: fix leaking config strings
entry: fix leaking pathnames during delayed checkout
object-name: fix leaking commit list items
t/test-repository: fix leaking repository
builtin/credential-cache: fix trivial leaks
builtin/worktree: fix leaking derived branch names
builtin/shortlog: fix various trivial memory leaks
builtin/rerere: fix various trivial memory leaks
builtin/credential-store: fix leaking credential
builtin/show-branch: fix several memory leaks
builtin/rev-parse: fix memory leak with `--parseopt`
builtin/stash: fix various trivial memory leaks
builtin/remote: fix various trivial memory leaks
builtin/remote: fix leaking strings in `branch_list`
builtin/ls-remote: fix leaking `pattern` strings
builtin/submodule--helper: fix leaking buffer in `is_tip_reachable`
builtin/submodule--helper: fix leaking clone depth parameter
builtin/name-rev: fix various trivial memory leaks
builtin/describe: fix trivial memory leak when describing blob
...
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The `advance_name` variable can either contain a static string when
parsed via the `--advance` command line option or it may be an allocated
string when set via `determine_replay_mode()`. Because we cannot be sure
whether it is allocated or not we just didn't free it at all, resulting
in a memory leak.
Split up the variables such that we can track the static and allocated
strings separately and then free the allocated one to fix the memory
leak.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The documentation claims that "recursive defaults to the diff.algorithm
config setting", but this is currently not the case. This fixes it,
ensuring that diff.algorithm is used when -Xdiff-algorithm is not
supplied. This affects the following porcelain commands: "merge",
"rebase", "cherry-pick", "pull", "stash", "log", "am" and "checkout".
It also affects the "merge-tree" ancillary interrogator.
This change refactors the initialization of merge options to introduce
two functions, "init_merge_ui_options" and "init_merge_basic_options"
instead of just one "init_merge_options". This design follows the
approach used in diff.c, providing initialization methods for
porcelain and plumbing commands respectively. Thanks to that, the
"replay" and "merge-recursive" plumbing commands remain unaffected by
diff.algorithm.
Signed-off-by: Antonin Delpeuch <antonin@delpeuch.eu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When creating commits via `commit_tree_extended()`, the caller passes in
a string list of parents. This call implicitly transfers ownership of
that list to the function, which is quite surprising to begin with. But
to make matters worse, `commit_tree_extended()` doesn't even bother to
free the list of parents in error cases. The result is a memory leak,
and one that the caller cannot fix by themselves because they do not
know whether parts of the string list have already been released.
Refactor the code such that callers can keep ownership of the list of
parents, which is getting indicated by parameter being a constant
pointer now. Free the lists at the calling site and add a common exit
path to those sites as required.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Convert builtins to use `the_repository->index` instead of `the_index`.
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The replay command is able to replay multiple branches but when some of
them are based on other replayed branches, their commit should be
replayed onto already replayed commits.
For this purpose, let's store the replayed commit and its original
commit in a key value store, so that we can easily find and reuse a
replayed commit instead of the original one.
Co-authored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Let's add a `--contained` option that can be used along with
`--onto` to rebase all the branches contained in the <revision-range>
argument.
Co-authored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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There is already a 'rebase' mode with `--onto`. Let's add an 'advance' or
'cherry-pick' mode with `--advance`. This new mode will make the target
branch advance as we replay commits onto it.
The replayed commits should have a single tip, so that it's clear where
the target branch should be advanced. If they have more than one tip,
this new mode will error out.
Co-authored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Instead of the fixed "<oldbase> <branch>" arguments, the replay
command now accepts "<revision-range>..." arguments in a similar
way as many other Git commands. This makes its interface more
standard and more flexible.
This also enables many revision related options accepted and
eaten by setup_revisions(). If the replay command was a high level
one or had a high level mode, it would make sense to restrict some
of the possible options, like those generating non-contiguous
history, as they could be confusing for most users.
Also as the interface of the command is now mostly finalized,
we can add more documentation and more testcases to make sure
the command will continue to work as designed in the future.
We only document the rev-list related options among all the
revision related options that are now accepted, as the rev-list
related ones are probably the most useful for now.
Helped-by: Dragan Simic <dsimic@manjaro.org>
Helped-by: Linus Arver <linusa@google.com>
Co-authored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We want this command to be a minimal command that just does server side
picking of commits, displaying the results on stdout for higher level
scripts to consume.
So let's simplify it:
* remove the worktree and index reading/writing,
* remove the ref (and reflog) updating,
* remove the assumptions tying us to HEAD, since (a) this is not a
rebase and (b) we want to be able to pick commits in a bare repo,
i.e. to/from branches that are not checked out and not the main
branch,
* remove unneeded includes,
* handle rebasing multiple branches by printing on stdout the update
ref commands that should be performed.
The output can be piped into `git update-ref --stdin` for the ref
updates to happen.
In the future to make it easier for users to use this command
directly maybe an option can be added to automatically pipe its output
into `git update-ref`.
Co-authored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We want replay to be a command that can be used on the server side on
any branch, not just the current one, so we are going to stop updating
HEAD in a future commit.
A "sanity check" that makes sure we are replaying the current branch
doesn't make sense anymore. Let's remove it.
Co-authored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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The replay command will be changed in a follow up commit, so that it
will not update refs directly, but instead it will print on stdout a
list of commands that can be consumed by `git update-ref --stdin`.
We don't want this output to be polluted by its current low value
output, so let's just remove the latter.
In the future, when the command gets an option to update refs by
itself, it will make a lot of sense to display a progress meter, but
we are not there yet.
Co-authored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We want to be able to handle signed commits in some way in the future,
but we are not ready to do it now. So for the time being let's just add
a FIXME comment to remind us about it.
These are different ways we could handle them:
- in case of a cli user and if there was an interactive mode, we could
perhaps ask if the user wants to sign again
- we could add an option to just fail if there are signed commits
Co-authored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Let's force the rev walking options we need after calling
setup_revisions() instead of before.
This might override some user supplied rev walking command line options
though. So let's detect that and warn users by:
a) setting the desired values, before setup_revisions(),
b) checking after setup_revisions() whether these values differ from
the desired values,
c) if so throwing a warning and setting the desired values again.
We want the command to work from older commits to newer ones by default.
Also we don't want history simplification, as we want to deal with all
the commits in the affected range.
Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Co-authored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Let's refactor the code to handle a regular commit (a commit that is
neither a root commit nor a merge commit) into a single function instead
of keeping it inside cmd_replay().
This is good for separation of concerns, and this will help further work
in the future to replay merge commits.
Co-authored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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It's not a good idea for regular Git commands to use an assert() to
check for things that could happen but are not supported.
Let's die() with an explanation of the issue instead.
Co-authored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Instead of manually parsing arguments, let's start using the parse_options
API. This way this new builtin will look more standard, and in some
upcoming commits will more easily be able to handle more command line
options.
Note that we plan to later use standard revision ranges instead of
hardcoded "<oldbase> <branch>" arguments. When we will use standard
revision ranges, it will be easier to check if there are no spurious
arguments if we keep ARGV[0], so let's call parse_options() with
PARSE_OPT_KEEP_ARGV0 even if we don't need ARGV[0] right now to avoid
some useless code churn.
Co-authored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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For now, this is just a rename from `t/helper/test-fast-rebase.c` into
`builtin/replay.c` with minimal changes to make it build appropriately.
Let's add a stub documentation and a stub test script though.
Subsequent commits will flesh out the capabilities of the new command
and make it a more standard regular builtin.
Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Co-authored-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Elijah Newren <newren@gmail.com>
Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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