git-branch-scripton commit git-tag-script updates. (0fad0fd)
   1#!/bin/sh
   2
   3. git-sh-setup-script || die "Not a git archive"
   4
   5branchname="$1"
   6case "$2" in
   7'')
   8        head=HEAD ;;
   9*)
  10        head="$2^0" ;;
  11esac
  12rev=$(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
  17echo $rev > "$GIT_DIR/refs/heads/$branchname"