| #!/bin/sh | |
| . git-sh-setup-script || die "Not a git archive" | |
| branchname="$1" | |
| case "$2" in | |
| '') | |
| head=HEAD ;; | |
| *) | |
| head="$2^0" ;; | |
| esac | |
| rev=$(git-rev-parse --revs-only --verify "$head") || exit | |
| [ -z "$branchname" ] && die "git branch: I want a branch name" | |
| [ -e "$GIT_DIR/refs/heads/$branchname" ] && die "$branchname already exists" | |
| echo $rev > "$GIT_DIR/refs/heads/$branchname" |