class Rails::Command::RakeCommand

def rake_tasks
  require_rake
  return @rake_tasks if defined?(@rake_tasks)
  require_application!
  Rake::TaskManager.record_task_metadata = true
  Rake.application.instance_variable_set(:@name, "rails")
  load_tasks
  @rake_tasks = Rake.application.tasks.select(&:comment)
end