    # File lib/rubygems/config_file.rb, line 156
      def handle_arguments(arg_list)
        @args = []

        arg_list.each do |arg|
          case arg
          when /^--(backtrace|traceback)$/ then
            @backtrace = true
          when /^--bench(mark)?$/ then
            @benchmark = true
          when /^--debug$/ then
            $DEBUG = true
          else
            @args << arg
          end
        end
      end