jhtwong

  def all(&block)
    @railties_plus_engines ||= railties + engines
    @railties_plus_engines.each(&block) if block
    # Only after the block has been run against the railties and engines in the application
    # will we call super with the block (which has the effect of running the block against the plugins in the
    # application and returning the array of plugins)
    @railties_plus_engines + super(&block)
  end