railsrc

# File railties/lib/rails/generators/rails/app/app_generator.rb, line 600
        def railsrc(argv)
          if (customrc = argv.index { |x| x.include?("--rc=") })
            fname = File.expand_path(argv[customrc].gsub(/--rc=/, ""))
            yield(argv.take(customrc) + argv.drop(customrc + 1), fname)
          else
            yield argv, self.class.default_rc_file
          end
        end