new (Gem::Commands::UpdateCommand)

    # File lib/rubygems/commands/update_command.rb, line 15
      def initialize
        super 'update',
              'Update the named gems (or all installed gems) in the local repository',
          :generate_rdoc => true,
          :generate_ri   => true,
          :force         => false,
          :test          => false

        add_install_update_options

        add_option('--system',
                   'Update the RubyGems system software') do |value, options|
          options[:system] = value
        end

        add_local_remote_options

        add_platform_option
      end