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4 commits

Author SHA1 Message Date
Elijah Newren 22d99f012f replay: add --advance or 'cherry-pick' mode
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>
2023-11-26 10:10:49 +09:00
Elijah Newren 3916ec307e replay: use standard revision ranges
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>
2023-11-26 10:10:49 +09:00
Elijah Newren 81613be31e replay: make it a minimal server side command
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>
2023-11-26 10:10:49 +09:00
Elijah Newren f920b0289b replay: introduce new builtin
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>
2023-11-26 10:10:48 +09:00