git-branch-scripton commit [PATCH] cat-file: be consistent in usage string and documentation. (f16ebbd)
   1#!/bin/sh
   2
   3. git-sh-setup-script || die "Not a git archive"
   4
   5branchname="$1"
   6rev=$(git-rev-parse --verify --default HEAD "$2"^0) || exit
   7
   8[ -z "$branchname" ] && die "git branch: I want a branch name"
   9[ -e "$GIT_DIR/refs/heads/$branchname" ] && die "$branchname already exists"
  10
  11echo $rev > "$GIT_DIR/refs/heads/$branchname"