# File lib/fpm/package/pacman.rb, line 210
  def compression_option
    case self.attributes[:pacman_compression]
      when nil, "xz"
        return "--xz"
      when "none"
        return ""
      when "gz"
        return "-z"
      when "bzip2"
        return "-j"
      else
        return "--xz"
      end
  end