#!/bin/bash
# usage: ungitar foo-dir <foo.gitar

set -e
trap "echo 'Unexpected error!' 1>&2" ERR
if ! [ -e "$1" ]; then
	mkdir "$1"
fi
cd "$1"

if [ -e '.git' ]; then
	echo 'The destination directory is already a git repository!' 1>&2
	exit 1
fi
trap "rm -rf .git" EXIT

ftx .git
git-read-tree master
git-checkout-index --all --force