# ZSH Theme - Preview: http://dl.dropbox.com/u/4109351/pics/gnzh-zsh-theme.png
  # Based on bira theme

  setopt prompt_subst

  () {
  
  local PR_USER PR_USER_OP PR_PROMPT PR_HOST

  
  # Check the UID
  if [[ $UID -ne 0 ]]; then # normal user

    PR_USER='%F{green}%n%f'
    PR_USER_OP='%F{green}%#%f'
    PR_PROMPT='%f➤ %f'

  else # root

    PR_USER='%F{red}%n%f'
    PR_USER_OP='%F{red}%#%f'
    PR_PROMPT='%F{red}➤ %f'

  fi
  
  # Check if we are on SSH or not
  if [[ -n "$SSH_CLIENT"  ||  -n "$SSH2_CLIENT" ]]; then

    PR_HOST='%F{red}%M%f' # SSH

  else

    PR_HOST='%F{green}%M%f' # no SSH

  fi

  local return_code="%(?..%F{red}%? ↵%f)"
  
  local user_host="${PR_USER}%F{cyan}@${PR_HOST}"
  local current_dir="%B%F{blue}%~%f%b"

  local rvm_ruby=''

  if ${HOME}/.rvm/bin/rvm-prompt &> /dev/null; then # detect user-local rvm installation
    rvm_ruby='%F{red}‹$(${HOME}/.rvm/bin/rvm-prompt i v g s)›%f'
  elif which rvm-prompt &> /dev/null; then # detect system-wide rvm installation
    rvm_ruby='%F{red}‹$(rvm-prompt i v g s)›%f'
  elif which rbenv &> /dev/null; then # detect Simple Ruby Version Management
    rvm_ruby='%F{red}‹$(rbenv version | sed -e "s/ (set.*$//")›%f'

  fi

  local git_branch='$(git_prompt_info)'

  PROMPT="╭─${user_host} ${current_dir} ${rvm_ruby} ${git_branch}
  ╰─$PR_PROMPT "

  RPROMPT="${return_code}"
  
  ZSH_THEME_GIT_PROMPT_PREFIX="%F{yellow}‹"
  ZSH_THEME_GIT_PROMPT_SUFFIX="› %f"

  }