vcs.sh

autoload -Uz add-zsh-hook
add-zsh-hook precmd _update_prompt

_update_prompt () {
  LANG=C vcs_info
  if [ -z "$vcs_info_msg_0_" ];then
    RPROMPT=""
    return 0
  fi

  # 0: main
  # 1: misc
  # 2: rebase/merge
  local prompt="%{%F{${MY_COLOR_PROMPT_GIT_0:-190}%}$(git_clean_or_dirty)%f"
  prompt+="%F{${MY_COLOR_PROMPT_GIT_0:-190}%}$vcs_info_msg_0_%f"
  if [ -n "$vcs_info_msg_2_" ]; then
    prompt+="$prompt %F{${MY_COLOR_PROMPT_GIT_2:-189}%}$vcs_info_msg_2_%f"
  fi
  RPROMPT=$prompt
}

git_clean_or_dirty() {
  local STATUS="$(git status --porcelain -uall 2> /dev/null)"
  if [ -z "$STATUS" ];then
    echo ""
  else
    #all=$(echo $STATUS | wc -l )
    #tracked=$(git status --porcelain -uno | wc -l)
    #diff=$(expr $all - $tracked)
    #echo "%F{009%}✦ $tracked$(if [ $diff -gt 0 ]; then echo " (+$diff)";fi) %f"
    echo "%F{009%}✦ %f"
  fi
}