function toon {
    echo -n ""
  }
  
  get_git_dirty() {
    git diff --quiet || echo '*'
  }
  
  autoload -Uz vcs_info
  zstyle ':vcs_info:*' check-for-changes true
  zstyle ':vcs_info:*' unstagedstr '%F{red}*'   # display this when there are unstaged changes
  zstyle ':vcs_info:*' stagedstr '%F{yellow}+'  # display this when there are staged changes
  zstyle ':vcs_info:*' actionformats \
      '%F{5}%F{5}[%F{2}%b%F{3}|%F{1}%a%c%u%F{5}]%f '
  zstyle ':vcs_info:*' formats       \
      '%F{5}%F{5}[%F{2}%b%c%u%F{5}]%f '
  zstyle ':vcs_info:(sv[nk]|bzr):*' branchformat '%b%F{1}:%F{3}%r'
  zstyle ':vcs_info:*' enable git cvs svn
  
  theme_precmd () {
      vcs_info
  }
  
  setopt prompt_subst
  PROMPT='%{$fg[magenta]%}$(toon)%{$reset_color%} %~/ %{$reset_color%}${vcs_info_msg_0_}%{$reset_color%}'
  
  autoload -U add-zsh-hook
  add-zsh-hook precmd theme_precmd