unixorn/git-extra-commands

#!/usr/bin/env bash
# Based on https://gist.github.com/gnarf/5406589

if test "$1" = "clean"; then
  git for-each-ref refs/heads/pr/* --format='%(refname)' | while read -r ref; do
    git branch -D "${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