#!/usr/bin/env bash

# Based on https://gist.github.com/gnarf/5406589

if test "$1" = "clean"; then

git for-each-ref refs/heads/pr/* --format='%(refname)' | while read ref; do

git branch -D ${ref#refs/heads/}

done

else

test -z $1 && echo "pr number required." 1>&2 && exit 1

git fetch -fu ${2:-origin} refs/pull/$1/head:pr/$1 && git checkout pr/$1

fi