git prompt

gistfile1.sh

export PS1='\[\033]0;\w\007\[\033[0;32m\]\W\[\033[0;38m\] $(git_branch)$(prompt_status "%s") '

prompt_status() {
  local branch=$(__git_ps1 "%s")
  if [ -n "$branch" ]; then
    if git_dirty; then
      echo "⚡"
      return
    fi
  fi
  echo "→"
}

git_branch() {
  local branch=$(__git_ps1 "%s")
  if [ -n "$branch" ]; then
    if [[ ! $(git config homedir.repo) ]]; then
      echo -n "$branch"
    fi
  fi
}

git_dirty() {
  [[ $(git status 2> /dev/null | tail -n1) != "nothing to commit (working directory clean)" ]]
}