Documentation / git-branch.txton commit Merge branch 'md/interix' (ec3f7d5)
   1git-branch(1)
   2=============
   3
   4NAME
   5----
   6git-branch - List, create, or delete branches
   7
   8SYNOPSIS
   9--------
  10[verse]
  11'git branch' [--color[=<when>] | --no-color] [-r | -a]
  12        [-v [--abbrev=<length> | --no-abbrev]]
  13        [(--merged | --no-merged | --contains) [<commit>]]
  14'git branch' [--set-upstream | --track | --no-track] [-l] [-f] <branchname> [<start-point>]
  15'git branch' (-m | -M) [<oldbranch>] <newbranch>
  16'git branch' (-d | -D) [-r] <branchname>...
  17
  18DESCRIPTION
  19-----------
  20
  21With no arguments, existing branches are listed and the current branch will
  22be highlighted with an asterisk.  Option `-r` causes the remote-tracking
  23branches to be listed, and option `-a` shows both.
  24
  25With `--contains`, shows only the branches that contain the named commit
  26(in other words, the branches whose tip commits are descendants of the
  27named commit).  With `--merged`, only branches merged into the named
  28commit (i.e. the branches whose tip commits are reachable from the named
  29commit) will be listed.  With `--no-merged` only branches not merged into
  30the named commit will be listed.  If the <commit> argument is missing it
  31defaults to 'HEAD' (i.e. the tip of the current branch).
  32
  33The command's second form creates a new branch head named <branchname>
  34which points to the current 'HEAD', or <start-point> if given.
  35
  36Note that this will create the new branch, but it will not switch the
  37working tree to it; use "git checkout <newbranch>" to switch to the
  38new branch.
  39
  40When a local branch is started off a remote-tracking branch, git sets up the
  41branch so that 'git pull' will appropriately merge from
  42the remote-tracking branch. This behavior may be changed via the global
  43`branch.autosetupmerge` configuration flag. That setting can be
  44overridden by using the `--track` and `--no-track` options, and
  45changed later using `git branch --set-upstream`.
  46
  47With a '-m' or '-M' option, <oldbranch> will be renamed to <newbranch>.
  48If <oldbranch> had a corresponding reflog, it is renamed to match
  49<newbranch>, and a reflog entry is created to remember the branch
  50renaming. If <newbranch> exists, -M must be used to force the rename
  51to happen.
  52
  53With a `-d` or `-D` option, `<branchname>` will be deleted.  You may
  54specify more than one branch for deletion.  If the branch currently
  55has a reflog then the reflog will also be deleted.
  56
  57Use -r together with -d to delete remote-tracking branches. Note, that it
  58only makes sense to delete remote-tracking branches if they no longer exist
  59in the remote repository or if 'git fetch' was configured not to fetch
  60them again. See also the 'prune' subcommand of linkgit:git-remote[1] for a
  61way to clean up all obsolete remote-tracking branches.
  62
  63
  64OPTIONS
  65-------
  66-d::
  67        Delete a branch. The branch must be fully merged in its
  68        upstream branch, or in `HEAD` if no upstream was set with
  69        `--track` or `--set-upstream`.
  70
  71-D::
  72        Delete a branch irrespective of its merged status.
  73
  74-l::
  75        Create the branch's reflog.  This activates recording of
  76        all changes made to the branch ref, enabling use of date
  77        based sha1 expressions such as "<branchname>@\{yesterday}".
  78        Note that in non-bare repositories, reflogs are usually
  79        enabled by default by the `core.logallrefupdates` config option.
  80
  81-f::
  82--force::
  83        Reset <branchname> to <startpoint> if <branchname> exists
  84        already. Without `-f` 'git branch' refuses to change an existing branch.
  85
  86-m::
  87        Move/rename a branch and the corresponding reflog.
  88
  89-M::
  90        Move/rename a branch even if the new branch name already exists.
  91
  92--color[=<when>]::
  93        Color branches to highlight current, local, and
  94        remote-tracking branches.
  95        The value must be always (the default), never, or auto.
  96
  97--no-color::
  98        Turn off branch colors, even when the configuration file gives the
  99        default to color output.
 100        Same as `--color=never`.
 101
 102-r::
 103        List or delete (if used with -d) the remote-tracking branches.
 104
 105-a::
 106        List both remote-tracking branches and local branches.
 107
 108-v::
 109--verbose::
 110        Show sha1 and commit subject line for each head, along with
 111        relationship to upstream branch (if any). If given twice, print
 112        the name of the upstream branch, as well.
 113
 114--abbrev=<length>::
 115        Alter the sha1's minimum display length in the output listing.
 116        The default value is 7.
 117
 118--no-abbrev::
 119        Display the full sha1s in the output listing rather than abbreviating them.
 120
 121-t::
 122--track::
 123        When creating a new branch, set up configuration to mark the
 124        start-point branch as "upstream" from the new branch. This
 125        configuration will tell git to show the relationship between the
 126        two branches in `git status` and `git branch -v`. Furthermore,
 127        it directs `git pull` without arguments to pull from the
 128        upstream when the new branch is checked out.
 129+
 130This behavior is the default when the start point is a remote-tracking branch.
 131Set the branch.autosetupmerge configuration variable to `false` if you
 132want `git checkout` and `git branch` to always behave as if '--no-track'
 133were given. Set it to `always` if you want this behavior when the
 134start-point is either a local or remote-tracking branch.
 135
 136--no-track::
 137        Do not set up "upstream" configuration, even if the
 138        branch.autosetupmerge configuration variable is true.
 139
 140--set-upstream::
 141        If specified branch does not exist yet or if '--force' has been
 142        given, acts exactly like '--track'. Otherwise sets up configuration
 143        like '--track' would when creating the branch, except that where
 144        branch points to is not changed.
 145
 146--contains <commit>::
 147        Only list branches which contain the specified commit.
 148
 149--merged [<commit>]::
 150        Only list branches whose tips are reachable from the
 151        specified commit (HEAD if not specified).
 152
 153--no-merged [<commit>]::
 154        Only list branches whose tips are not reachable from the
 155        specified commit (HEAD if not specified).
 156
 157<branchname>::
 158        The name of the branch to create or delete.
 159        The new branch name must pass all checks defined by
 160        linkgit:git-check-ref-format[1].  Some of these checks
 161        may restrict the characters allowed in a branch name.
 162
 163<start-point>::
 164        The new branch head will point to this commit.  It may be
 165        given as a branch name, a commit-id, or a tag.  If this
 166        option is omitted, the current HEAD will be used instead.
 167
 168<oldbranch>::
 169        The name of an existing branch to rename.
 170
 171<newbranch>::
 172        The new name for an existing branch. The same restrictions as for
 173        <branchname> apply.
 174
 175
 176Examples
 177--------
 178
 179Start development from a known tag::
 180+
 181------------
 182$ git clone git://git.kernel.org/pub/scm/.../linux-2.6 my2.6
 183$ cd my2.6
 184$ git branch my2.6.14 v2.6.14   <1>
 185$ git checkout my2.6.14
 186------------
 187+
 188<1> This step and the next one could be combined into a single step with
 189"checkout -b my2.6.14 v2.6.14".
 190
 191Delete an unneeded branch::
 192+
 193------------
 194$ git clone git://git.kernel.org/.../git.git my.git
 195$ cd my.git
 196$ git branch -d -r origin/todo origin/html origin/man   <1>
 197$ git branch -D test                                    <2>
 198------------
 199+
 200<1> Delete the remote-tracking branches "todo", "html" and "man". The next
 201'fetch' or 'pull' will create them again unless you configure them not to.
 202See linkgit:git-fetch[1].
 203<2> Delete the "test" branch even if the "master" branch (or whichever branch
 204is currently checked out) does not have all commits from the test branch.
 205
 206
 207Notes
 208-----
 209
 210If you are creating a branch that you want to checkout immediately, it is
 211easier to use the git checkout command with its `-b` option to create
 212a branch and check it out with a single command.
 213
 214The options `--contains`, `--merged` and `--no-merged` serve three related
 215but different purposes:
 216
 217- `--contains <commit>` is used to find all branches which will need
 218  special attention if <commit> were to be rebased or amended, since those
 219  branches contain the specified <commit>.
 220
 221- `--merged` is used to find all branches which can be safely deleted,
 222  since those branches are fully contained by HEAD.
 223
 224- `--no-merged` is used to find branches which are candidates for merging
 225  into HEAD, since those branches are not fully contained by HEAD.
 226
 227SEE ALSO
 228--------
 229linkgit:git-check-ref-format[1],
 230linkgit:git-fetch[1],
 231linkgit:git-remote[1],
 232link:user-manual.html#what-is-a-branch[``Understanding history: What is
 233a branch?''] in the Git User's Manual.
 234
 235Author
 236------
 237Written by Linus Torvalds <torvalds@osdl.org> and Junio C Hamano <gitster@pobox.com>
 238
 239Documentation
 240--------------
 241Documentation by Junio C Hamano and the git-list <git@vger.kernel.org>.
 242
 243GIT
 244---
 245Part of the linkgit:git[1] suite