perform

# File railties/lib/rails/commands/rake/rake_command.rb, line 13
        def perform(task, *)
          require_rake

          ARGV.unshift(task) # Prepend the task, so Rake knows how to run it.

          Rake.application.standard_exception_handling do
            Rake.application.init("rails")
            Rake.application.load_rakefile
            Rake.application.top_level
          end
        end