#!/bin/sh
-exec $TASK_KEEPMOUNT/$JOB_PARAMETER_CRUNCHRUNNER
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+if test -n "$JOB_PARAMETER_CRUNCHRUNNER" ; then
+ exec $TASK_KEEPMOUNT/$JOB_PARAMETER_CRUNCHRUNNER
+else
+ exec /usr/local/bin/crunchrunner
+fi