prompt.zsh

function git_prompt() {
  local dirty=""

  if [[ -n $(git ls-files --other --exclude-standard 2> /dev/null) ]]; then
    dirty="*"
  fi

  if ! git diff --quiet 2> /dev/null; then
    dirty="*"
  fi

  local ref
  ref=$(git symbolic-ref --quiet HEAD 2> /dev/null)
  local ret=$?
  if [[ $ret != 0 ]]; then
    [[ $ret == 128 ]] && return
    ref=$(git rev-parse --short HEAD 2> /dev/null) || return
  fi

  echo " %F{cyan}${ref#refs/heads/}%f%F{red}${dirty}%f"
}

setopt PROMPT_SUBST
export PROMPT='[%n@%F{yellow}%m%f:%F{blue}%~%f$(git_prompt)]%# '
export RPROMPT='[%D %*]'