# File lib/fpm/package/pacman.rb, line 225
  def compression_ending
    case self.attributes[:pacman_compression]
      when nil, "xz"
        return ".xz"
      when "none"
        return ""
      when "gz"
        return ".gz"
      when "bzip2"
        return ".bz2"
      else
        return ".xz"
      end
  end