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The point of these sections is generally to:
1. Give credit where it is due.
2. Give the reader an idea of where to ask questions or
file bug reports.
But they don't do a good job of either case. For (1), they
are out of date and incomplete. A much more accurate answer
can be gotten through shortlog or blame. For (2), the
correct contact point is generally git@vger, and even if you
wanted to cc the contact point, the out-of-date and
incomplete fields mean you're likely sending to somebody
useless.
So let's drop the fields entirely from all manpages except
git(1) itself. We already point people to the mailing list
for bug reports there, and we can update the Authors section
to give credit to the major contributors and point to
shortlog and blame for more information.
Each page has a "This is part of git" footer, so people can
follow that to the main git manpage.
237 lines
8 KiB
Text
237 lines
8 KiB
Text
git-branch(1)
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=============
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NAME
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----
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git-branch - List, create, or delete branches
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SYNOPSIS
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--------
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[verse]
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'git branch' [--color[=<when>] | --no-color] [-r | -a]
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[-v [--abbrev=<length> | --no-abbrev]]
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[(--merged | --no-merged | --contains) [<commit>]]
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'git branch' [--set-upstream | --track | --no-track] [-l] [-f] <branchname> [<start-point>]
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'git branch' (-m | -M) [<oldbranch>] <newbranch>
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'git branch' (-d | -D) [-r] <branchname>...
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DESCRIPTION
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-----------
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With no arguments, existing branches are listed and the current branch will
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be highlighted with an asterisk. Option `-r` causes the remote-tracking
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branches to be listed, and option `-a` shows both.
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With `--contains`, shows only the branches that contain the named commit
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(in other words, the branches whose tip commits are descendants of the
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named commit). With `--merged`, only branches merged into the named
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commit (i.e. the branches whose tip commits are reachable from the named
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commit) will be listed. With `--no-merged` only branches not merged into
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the named commit will be listed. If the <commit> argument is missing it
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defaults to 'HEAD' (i.e. the tip of the current branch).
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The command's second form creates a new branch head named <branchname>
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which points to the current 'HEAD', or <start-point> if given.
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Note that this will create the new branch, but it will not switch the
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working tree to it; use "git checkout <newbranch>" to switch to the
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new branch.
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When a local branch is started off a remote-tracking branch, git sets up the
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branch so that 'git pull' will appropriately merge from
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the remote-tracking branch. This behavior may be changed via the global
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`branch.autosetupmerge` configuration flag. That setting can be
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overridden by using the `--track` and `--no-track` options, and
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changed later using `git branch --set-upstream`.
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With a '-m' or '-M' option, <oldbranch> will be renamed to <newbranch>.
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If <oldbranch> had a corresponding reflog, it is renamed to match
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<newbranch>, and a reflog entry is created to remember the branch
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renaming. If <newbranch> exists, -M must be used to force the rename
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to happen.
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With a `-d` or `-D` option, `<branchname>` will be deleted. You may
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specify more than one branch for deletion. If the branch currently
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has a reflog then the reflog will also be deleted.
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Use -r together with -d to delete remote-tracking branches. Note, that it
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only makes sense to delete remote-tracking branches if they no longer exist
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in the remote repository or if 'git fetch' was configured not to fetch
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them again. See also the 'prune' subcommand of linkgit:git-remote[1] for a
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way to clean up all obsolete remote-tracking branches.
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OPTIONS
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-------
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-d::
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Delete a branch. The branch must be fully merged in its
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upstream branch, or in `HEAD` if no upstream was set with
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`--track` or `--set-upstream`.
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-D::
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Delete a branch irrespective of its merged status.
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-l::
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Create the branch's reflog. This activates recording of
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all changes made to the branch ref, enabling use of date
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based sha1 expressions such as "<branchname>@\{yesterday}".
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Note that in non-bare repositories, reflogs are usually
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enabled by default by the `core.logallrefupdates` config option.
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-f::
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--force::
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Reset <branchname> to <startpoint> if <branchname> exists
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already. Without `-f` 'git branch' refuses to change an existing branch.
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-m::
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Move/rename a branch and the corresponding reflog.
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-M::
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Move/rename a branch even if the new branch name already exists.
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--color[=<when>]::
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Color branches to highlight current, local, and
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remote-tracking branches.
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The value must be always (the default), never, or auto.
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--no-color::
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Turn off branch colors, even when the configuration file gives the
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default to color output.
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Same as `--color=never`.
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-r::
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List or delete (if used with -d) the remote-tracking branches.
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-a::
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List both remote-tracking branches and local branches.
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-v::
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--verbose::
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Show sha1 and commit subject line for each head, along with
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relationship to upstream branch (if any). If given twice, print
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the name of the upstream branch, as well.
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--abbrev=<length>::
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Alter the sha1's minimum display length in the output listing.
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The default value is 7.
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--no-abbrev::
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Display the full sha1s in the output listing rather than abbreviating them.
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-t::
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--track::
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When creating a new branch, set up configuration to mark the
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start-point branch as "upstream" from the new branch. This
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configuration will tell git to show the relationship between the
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two branches in `git status` and `git branch -v`. Furthermore,
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it directs `git pull` without arguments to pull from the
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upstream when the new branch is checked out.
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+
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This behavior is the default when the start point is a remote-tracking branch.
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Set the branch.autosetupmerge configuration variable to `false` if you
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want `git checkout` and `git branch` to always behave as if '--no-track'
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were given. Set it to `always` if you want this behavior when the
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start-point is either a local or remote-tracking branch.
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--no-track::
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Do not set up "upstream" configuration, even if the
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branch.autosetupmerge configuration variable is true.
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--set-upstream::
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If specified branch does not exist yet or if '--force' has been
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given, acts exactly like '--track'. Otherwise sets up configuration
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like '--track' would when creating the branch, except that where
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branch points to is not changed.
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--contains <commit>::
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Only list branches which contain the specified commit.
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--merged [<commit>]::
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Only list branches whose tips are reachable from the
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specified commit (HEAD if not specified).
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--no-merged [<commit>]::
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Only list branches whose tips are not reachable from the
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specified commit (HEAD if not specified).
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<branchname>::
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The name of the branch to create or delete.
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The new branch name must pass all checks defined by
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linkgit:git-check-ref-format[1]. Some of these checks
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may restrict the characters allowed in a branch name.
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<start-point>::
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The new branch head will point to this commit. It may be
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given as a branch name, a commit-id, or a tag. If this
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option is omitted, the current HEAD will be used instead.
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<oldbranch>::
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The name of an existing branch to rename.
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<newbranch>::
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The new name for an existing branch. The same restrictions as for
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<branchname> apply.
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Examples
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--------
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Start development from a known tag::
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+
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------------
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$ git clone git://git.kernel.org/pub/scm/.../linux-2.6 my2.6
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$ cd my2.6
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$ git branch my2.6.14 v2.6.14 <1>
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$ git checkout my2.6.14
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------------
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+
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<1> This step and the next one could be combined into a single step with
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"checkout -b my2.6.14 v2.6.14".
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Delete an unneeded branch::
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+
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------------
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$ git clone git://git.kernel.org/.../git.git my.git
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$ cd my.git
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$ git branch -d -r origin/todo origin/html origin/man <1>
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$ git branch -D test <2>
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------------
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+
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<1> Delete the remote-tracking branches "todo", "html" and "man". The next
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'fetch' or 'pull' will create them again unless you configure them not to.
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See linkgit:git-fetch[1].
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<2> Delete the "test" branch even if the "master" branch (or whichever branch
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is currently checked out) does not have all commits from the test branch.
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Notes
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-----
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If you are creating a branch that you want to checkout immediately, it is
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easier to use the git checkout command with its `-b` option to create
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a branch and check it out with a single command.
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The options `--contains`, `--merged` and `--no-merged` serve three related
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but different purposes:
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- `--contains <commit>` is used to find all branches which will need
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special attention if <commit> were to be rebased or amended, since those
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branches contain the specified <commit>.
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- `--merged` is used to find all branches which can be safely deleted,
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since those branches are fully contained by HEAD.
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- `--no-merged` is used to find branches which are candidates for merging
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into HEAD, since those branches are not fully contained by HEAD.
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SEE ALSO
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--------
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linkgit:git-check-ref-format[1],
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linkgit:git-fetch[1],
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linkgit:git-remote[1],
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link:user-manual.html#what-is-a-branch[``Understanding history: What is
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a branch?''] in the Git User's Manual.
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GIT
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---
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Part of the linkgit:git[1] suite
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