Gist than display fast Mercurial info

.bash_PS1

# Version 1.1

__get_hg_dir() {
  local d=`readlink -f "$1"`
  if [ -d "$d/.hg" ]; then
    echo "$d/.hg"
        return 0
  elif [ "$d" == "/" ]; then
    echo ""
        return 1
  else
    __get_hg_dir "$(dirname "$d")"
    return $?
  fi
}

__parse_hg_dirty() {
  return 0 # COMMENT THIS LINE FOR DIRTY FLAG
  [[ $( hg status 2> /dev/null ) != "" ]] && echo "⚡"
}

__parse_hg_branch() {
  branch=$( cat "$1/branch" 2> /dev/null | sed -e 's/\(.*\)/\1/' )
  [[ $branch != 'default' ]] && echo "$branch"
}

__diplay_hg_branch() {
  hg_dir=$(__get_hg_dir .)
  if [ $? -eq 0 ]; then
    echo "[$(__parse_hg_branch "$hg_dir")$(__parse_hg_dirty)]"
  fi
}

export PS1='\[\033[01;33m\]me \[\033[01;34m\]\W \[\033[01;90m\]$(__diplay_hg_branch)\[\033[01;37m\]\$ \[\033[00m\]'