tools/git-which-branch.sh

   1 #!/bin/sh
   2 # git-which-branch.sh - output the name of the current git branch
   3 #
   4 # The canonical location of this program is the telepathy-spec tools/
   5 # directory, please synchronize any changes with that copy.
   6 #
   7 # Copyright (C) 2008 Collabora Ltd. <http://www.collabora.co.uk/>
   8 #
   9 # Copying and distribution of this file, with or without modification,
  10 # are permitted in any medium without royalty provided the copyright
  11 # notice and this notice are preserved.
  12
  13 default="$1"
  14 if { ref="`git symbolic-ref HEAD 2>/dev/null`"; }; then
  15     echo ${ref#refs/heads/}
  16     exit 0
  17 fi
  18
  19 if test -n "$default"; then
  20     echo "$default" >/dev/null
  21     exit 0
  22 fi
  23
  24 echo "no git branch found" >&2
  25 exit 1