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git/Documentation/git-cherry-pick.txt
Junio C Hamano 7791ecbc62 revert/cherry-pick: work on merge commits as well
Usually you cannot revert a merge because you do not know which
side of the merge should be considered the mainline (iow, what
change to reverse).

With this patch, cherry-pick and revert learn -m (--mainline)
option that lets you specify the parent number (starting from 1)
of the mainline, so that you can:

	git revert -m 1 $merge

to reverse the changes introduced by the $merge commit relative
to its first parent, and:

	git cherry-pick -m 2 $merge

to replay the changes introduced by the $merge commit relative
to its second parent.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-10-26 23:28:28 -07:00

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git-cherry-pick(1)
==================
NAME
----
git-cherry-pick - Apply the change introduced by an existing commit
SYNOPSIS
--------
'git-cherry-pick' [--edit] [-n] [-m parent-number] [-x] <commit>
DESCRIPTION
-----------
Given one existing commit, apply the change the patch introduces, and record a
new commit that records it. This requires your working tree to be clean (no
modifications from the HEAD commit).
OPTIONS
-------
<commit>::
Commit to cherry-pick.
For a more complete list of ways to spell commits, see
"SPECIFYING REVISIONS" section in gitlink:git-rev-parse[1].
-e|--edit::
With this option, `git-cherry-pick` will let you edit the commit
message prior committing.
-x::
When recording the commit, append to the original commit
message a note that indicates which commit this change
was cherry-picked from. Append the note only for cherry
picks without conflicts. Do not use this option if
you are cherry-picking from your private branch because
the information is useless to the recipient. If on the
other hand you are cherry-picking between two publicly
visible branches (e.g. backporting a fix to a
maintenance branch for an older release from a
development branch), adding this information can be
useful.
-r::
It used to be that the command defaulted to do `-x`
described above, and `-r` was to disable it. Now the
default is not to do `-x` so this option is a no-op.
-m parent-number|--mainline parent-number::
Usually you cannot revert a merge because you do not know which
side of the merge should be considered the mainline. This
option specifies the parent number (starting from 1) of
the mainline and allows cherry-pick to replay the change
relative to the specified parent.
-n|--no-commit::
Usually the command automatically creates a commit with
a commit log message stating which commit was
cherry-picked. This flag applies the change necessary
to cherry-pick the named commit to your working tree,
but does not make the commit. In addition, when this
option is used, your working tree does not have to match
the HEAD commit. The cherry-pick is done against the
beginning state of your working tree.
+
This is useful when cherry-picking more than one commits'
effect to your working tree in a row.
Author
------
Written by Junio C Hamano <junkio@cox.net>
Documentation
--------------
Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>.
GIT
---
Part of the gitlink:git[7] suite