def handle_no_runfile(argv)
      maker = RunfileHelper.new
      maker.purge_settings if @ignore_settings
      runfile = maker.handle argv

      exit 3 unless runfile

      @superspace = argv[0]
      execute argv, runfile
      exit
    end
def handle_no_runfile(argv)
      maker = RunfileHelper.new
      maker.purge_settings if @ignore_settings
      runfile = maker.handle argv

      exit 3 unless runfile

      @superspace = argv[0]
      execute argv, runfile
      exit
    end
When `run` is called without a Runfile (or runfile not
 found), hand over handling to the RunfileHelper class.
 If will either return false if no further handling is needed
 on our part, or the name of a runfile to execute.