git-branch-script

   1 #!/bin/sh
   2
   3 . git-sh-setup-script || die "Not a git archive"
   4
   5 branchname="$1"
   6 case "$2" in
   7 '')
   8         head=HEAD ;;
   9 *)
  10         head="$2^0" ;;
  11 esac
  12 rev=$(git-rev-parse --revs-only --verify "$head") || exit
  13
  14 [ -z "$branchname" ] && die "git branch: I want a branch name"
  15 [ -e "$GIT_DIR/refs/heads/$branchname" ] && die "$branchname already exists"
  16
  17 echo $rev > "$GIT_DIR/refs/heads/$branchname"