update Pipeline.pmapname

    def pmapname(self):

        """Final CCDS `.pmap` name."""

        task_pmapname = self.task.get("pmapname", None)

        # TODO: validate this pmapname

        if task_pmapname and self.ccds.validate(task_pmapname):

        if task_pmapname:

            if self.ccds.validate(task_pmapname):

                # task specified pmap

                return task_pmapname

            else:

                self.ccds.list()

                raise ValueError(f"Invalid pmapname: {task_pmapname}")

        else:

            # CCDS recommended pmap

            return self.ccds.operational_context