route

# File railties/lib/rails_generator/generators/applications/app/template_runner.rb, line 297
    def route(routing_code)
      log 'route', routing_code
      sentinel = 'ActionController::Routing::Routes.draw do |map|'

      in_root do
        gsub_file 'config/routes.rb', /(#{Regexp.escape(sentinel)})/mi do |match|
          "#{match}\n  #{routing_code}\n"
        end
      end
    end