new (Gem::Commands::ServerCommand)

    # File lib/rubygems/commands/server_command.rb, line 6
      def initialize
        super 'server', 'Documentation and gem repository HTTP server',
              :port => 8808, :gemdir => Gem.dir, :daemon => false

        OptionParser.accept :Port do |port|
          if port =~ /\A\d+\z/ then
            port = Integer port
            raise OptionParser::InvalidArgument, "#{port}: not a port number" if
              port > 65535

            port
          else
            begin
              Socket.getservbyname port
            rescue SocketError => e
              raise OptionParser::InvalidArgument, "#{port}: no such named service"
            end
          end
        end

        add_option '-p', '--port=PORT', :Port,
                   'port to listen on' do |port, options|
          options[:port] = port
        end

        add_option '-d', '--dir=GEMDIR',
                   'directory from which to serve gems' do |gemdir, options|
          options[:gemdir] = File.expand_path gemdir
        end

        add_option '--[no-]daemon', 'run as a daemon' do |daemon, options|
          options[:daemon] = daemon
        end
      end