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authorShawn O. Pearce <spearce@spearce.org>2006-11-27 08:41:28 (GMT)
committerJunio C Hamano <junkio@cox.net>2006-11-27 20:09:16 (GMT)
commitd3d717a4ad0c8d7329e79f7d0313baec57c6b585 (patch)
tree03b3419fea3d87dd91229d24b0dac1a7e8c08eec /contrib/completion
parentd33909bf6e78e6ab8a45bfdd19bc19213fde5501 (diff)
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Add current branch in PS1 support to git-completion.bash.
Many users want to display the current branch name of the current git repository as part of their PS1 prompt, much as their PS1 prompt might also display the current working directory name. We don't force our own PS1 onto the user. Instead we let them craft their own PS1 string and offer them the function __git_ps1 which they can invoke to obtain either "" (when not in a git repository) or "(%s)" where %s is the name of the current branch, as read from HEAD, with the leading refs/heads/ removed. Signed-off-by: Shawn O. Pearce <spearce@spearce.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'contrib/completion')
-rwxr-xr-xcontrib/completion/git-completion.bash19
1 files changed, 19 insertions, 0 deletions
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 1dfb592..a740d05 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -18,12 +18,31 @@
# 2) Added the following line to your .bashrc:
# source ~/.git-completion.sh
#
+# 3) Consider changing your PS1 to also show the current branch:
+# PS1='[\u@\h \W$(__git_ps1 " (%s)")]\$ '
+#
+# The argument to __git_ps1 will be displayed only if you
+# are currently in a git repository. The %s token will be
+# the name of the current branch.
+#
__gitdir ()
{
echo "${__git_dir:-$(git rev-parse --git-dir 2>/dev/null)}"
}
+__git_ps1 ()
+{
+ local b="$(git symbolic-ref HEAD 2>/dev/null)"
+ if [ -n "$b" ]; then
+ if [ -n "$1" ]; then
+ printf "$1" "${b##refs/heads/}"
+ else
+ printf " (%s)" "${b##refs/heads/}"
+ fi
+ fi
+}
+
__git_refs ()
{
local cmd i is_hash=y dir="${1:-$(__gitdir)}"