Merge pull request #6389 from Dunedan/ticket_25420

                if option[1]:

                    opt_label += '='

                print(opt_label)

        sys.exit(1)

        # Exit code of the bash completion function is never passed back to

        # the user, so it's safe to always exit with 0.

        # For more details see #25420.

        sys.exit(0)

    def execute(self):

        """