243 lines
8.5 KiB
Text
243 lines
8.5 KiB
Text
git-cherry-pick(1)
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==================
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NAME
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----
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git-cherry-pick - Apply the changes introduced by some existing commits
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SYNOPSIS
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--------
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[verse]
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'git cherry-pick' [--edit] [-n] [-m parent-number] [-s] [-x] [--ff]
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[-S[<keyid>]] <commit>...
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'git cherry-pick' (--continue | --skip | --abort | --quit)
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DESCRIPTION
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-----------
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Given one or more existing commits, apply the change each one
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introduces, recording a new commit for each. This requires your
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working tree to be clean (no modifications from the HEAD commit).
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When it is not obvious how to apply a change, the following
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happens:
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1. The current branch and `HEAD` pointer stay at the last commit
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successfully made.
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2. The `CHERRY_PICK_HEAD` ref is set to point at the commit that
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introduced the change that is difficult to apply.
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3. Paths in which the change applied cleanly are updated both
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in the index file and in your working tree.
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4. For conflicting paths, the index file records up to three
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versions, as described in the "TRUE MERGE" section of
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linkgit:git-merge[1]. The working tree files will include
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a description of the conflict bracketed by the usual
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conflict markers `<<<<<<<` and `>>>>>>>`.
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5. No other modifications are made.
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See linkgit:git-merge[1] for some hints on resolving such
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conflicts.
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OPTIONS
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-------
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<commit>...::
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Commits to cherry-pick.
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For a more complete list of ways to spell commits, see
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linkgit:gitrevisions[7].
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Sets of commits can be passed but no traversal is done by
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default, as if the `--no-walk` option was specified, see
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linkgit:git-rev-list[1]. Note that specifying a range will
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feed all <commit>... arguments to a single revision walk
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(see a later example that uses 'maint master..next').
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-e::
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--edit::
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With this option, 'git cherry-pick' will let you edit the commit
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message prior to committing.
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--cleanup=<mode>::
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This option determines how the commit message will be cleaned up before
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being passed on to the commit machinery. See linkgit:git-commit[1] for more
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details. In particular, if the '<mode>' is given a value of `scissors`,
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scissors will be appended to `MERGE_MSG` before being passed on in the case
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of a conflict.
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-x::
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When recording the commit, append a line that says
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"(cherry picked from commit ...)" to the original commit
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message in order to indicate which commit this change was
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cherry-picked from. This is done only for cherry
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picks without conflicts. Do not use this option if
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you are cherry-picking from your private branch because
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the information is useless to the recipient. If on the
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other hand you are cherry-picking between two publicly
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visible branches (e.g. backporting a fix to a
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maintenance branch for an older release from a
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development branch), adding this information can be
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useful.
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-r::
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It used to be that the command defaulted to do `-x`
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described above, and `-r` was to disable it. Now the
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default is not to do `-x` so this option is a no-op.
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-m parent-number::
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--mainline parent-number::
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Usually you cannot cherry-pick a merge because you do not know which
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side of the merge should be considered the mainline. This
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option specifies the parent number (starting from 1) of
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the mainline and allows cherry-pick to replay the change
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relative to the specified parent.
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-n::
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--no-commit::
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Usually the command automatically creates a sequence of commits.
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This flag applies the changes necessary to cherry-pick
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each named commit to your working tree and the index,
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without making any commit. In addition, when this
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option is used, your index does not have to match the
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HEAD commit. The cherry-pick is done against the
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beginning state of your index.
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+
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This is useful when cherry-picking more than one commits'
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effect to your index in a row.
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-s::
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--signoff::
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Add Signed-off-by line at the end of the commit message.
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See the signoff option in linkgit:git-commit[1] for more information.
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-S[<keyid>]::
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--gpg-sign[=<keyid>]::
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GPG-sign commits. The `keyid` argument is optional and
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defaults to the committer identity; if specified, it must be
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stuck to the option without a space.
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--ff::
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If the current HEAD is the same as the parent of the
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cherry-pick'ed commit, then a fast forward to this commit will
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be performed.
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--allow-empty::
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By default, cherry-picking an empty commit will fail,
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indicating that an explicit invocation of `git commit
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--allow-empty` is required. This option overrides that
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behavior, allowing empty commits to be preserved automatically
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in a cherry-pick. Note that when "--ff" is in effect, empty
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commits that meet the "fast-forward" requirement will be kept
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even without this option. Note also, that use of this option only
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keeps commits that were initially empty (i.e. the commit recorded the
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same tree as its parent). Commits which are made empty due to a
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previous commit are dropped. To force the inclusion of those commits
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use `--keep-redundant-commits`.
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--allow-empty-message::
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By default, cherry-picking a commit with an empty message will fail.
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This option overrides that behavior, allowing commits with empty
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messages to be cherry picked.
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--keep-redundant-commits::
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If a commit being cherry picked duplicates a commit already in the
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current history, it will become empty. By default these
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redundant commits cause `cherry-pick` to stop so the user can
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examine the commit. This option overrides that behavior and
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creates an empty commit object. Implies `--allow-empty`.
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--strategy=<strategy>::
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Use the given merge strategy. Should only be used once.
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See the MERGE STRATEGIES section in linkgit:git-merge[1]
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for details.
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-X<option>::
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--strategy-option=<option>::
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Pass the merge strategy-specific option through to the
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merge strategy. See linkgit:git-merge[1] for details.
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--rerere-autoupdate::
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--no-rerere-autoupdate::
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Allow the rerere mechanism to update the index with the
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result of auto-conflict resolution if possible.
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SEQUENCER SUBCOMMANDS
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---------------------
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include::sequencer.txt[]
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EXAMPLES
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--------
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`git cherry-pick master`::
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Apply the change introduced by the commit at the tip of the
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master branch and create a new commit with this change.
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`git cherry-pick ..master`::
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`git cherry-pick ^HEAD master`::
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Apply the changes introduced by all commits that are ancestors
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of master but not of HEAD to produce new commits.
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`git cherry-pick maint next ^master`::
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`git cherry-pick maint master..next`::
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Apply the changes introduced by all commits that are
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ancestors of maint or next, but not master or any of its
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ancestors. Note that the latter does not mean `maint` and
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everything between `master` and `next`; specifically,
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`maint` will not be used if it is included in `master`.
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`git cherry-pick master~4 master~2`::
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Apply the changes introduced by the fifth and third last
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commits pointed to by master and create 2 new commits with
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these changes.
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`git cherry-pick -n master~1 next`::
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Apply to the working tree and the index the changes introduced
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by the second last commit pointed to by master and by the last
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commit pointed to by next, but do not create any commit with
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these changes.
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`git cherry-pick --ff ..next`::
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If history is linear and HEAD is an ancestor of next, update
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the working tree and advance the HEAD pointer to match next.
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Otherwise, apply the changes introduced by those commits that
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are in next but not HEAD to the current branch, creating a new
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commit for each new change.
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`git rev-list --reverse master -- README | git cherry-pick -n --stdin`::
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Apply the changes introduced by all commits on the master
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branch that touched README to the working tree and index,
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so the result can be inspected and made into a single new
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commit if suitable.
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The following sequence attempts to backport a patch, bails out because
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the code the patch applies to has changed too much, and then tries
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again, this time exercising more care about matching up context lines.
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------------
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$ git cherry-pick topic^ <1>
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$ git diff <2>
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$ git reset --merge ORIG_HEAD <3>
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$ git cherry-pick -Xpatience topic^ <4>
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------------
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<1> apply the change that would be shown by `git show topic^`.
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In this example, the patch does not apply cleanly, so
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information about the conflict is written to the index and
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working tree and no new commit results.
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<2> summarize changes to be reconciled
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<3> cancel the cherry-pick. In other words, return to the
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pre-cherry-pick state, preserving any local modifications
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you had in the working tree.
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<4> try to apply the change introduced by `topic^` again,
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spending extra time to avoid mistakes based on incorrectly
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matching context lines.
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SEE ALSO
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--------
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linkgit:git-revert[1]
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GIT
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---
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Part of the linkgit:git[1] suite
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