checkout most recent modified branch

gcor.sh

gcor() {
  # http://stackoverflow.com/questions/5188320/how-can-i-get-a-list-of-git-branches-ordered-by-most-recent-commit
  # --sort=-committerdate : sort branch by commit date in descending order
  # --sort=committerdate : sort branch by commit date in ascending order
  git branch -a --sort=committerdate "$@" |
  awk -F'remotes/origin/' '/remotes\/origin\//{print $2}' |
  tail -1 |
  xargs git checkout
}