normalize_options!

# File actionpack/lib/action_dispatch/routing/mapper.rb, line 59
          def normalize_options!
            path_without_format = @path.sub(/\(\.:format\)$/, '')

            if using_match_shorthand?(path_without_format, @options)
              to_shorthand    = @options[:to].blank?
              @options[:to] ||= path_without_format[1..-1].sub(%r{/([^/]*)$}, '#\1')
              @options[:as] ||= Mapper.normalize_name(path_without_format)
            end

            @options.merge!(default_controller_and_action(to_shorthand))
          end