# File lib/nanoc/extra/checking/checker_cli.rb, line 72
    def validate_options_and_arguments
      if arguments.empty? && !options[:all] && !options[:deploy] && !options[:list]
        raise Nanoc::Errors::GenericTrivial,
          "nothing to do (pass either --all, --deploy or --list or a list of checkers)"
      end
    end