improve CI

CI uses extends and include

cms/patatrack/ci-scripts/snapshot_cvmfs.sh

@@ -16,7 +16,10 @@ function _script() {
     docker exec cvmfs_${CI_JOB_ID} cvmfs_config probe
     # Here comes the dry run of the CMS Patatrack container. Arguments are for the time being defaults/hardcoded FIXME
     docker pull ${INTERIM_IMAGE}
-    docker run --name patatrack_container --gpus '"device=0"' -v ${CIENV_CVMFSVOLUME}:/cvmfs ${INTERIM_IMAGE} -e 100 -t 8 -c 1
+    # just check the list of GPUs via the ${INTERIM_IMAGE} 
+    docker run --rm --gpus all  ${INTERIM_IMAGE}  nvidia-smi --list-gpus
+
+    docker run --name patatrack_container --gpus all -v ${CIENV_CVMFSVOLUME}:/cvmfs ${INTERIM_IMAGE} -e 100 -t 8 -c 1
     # run shrinkwrapper
     docker exec cvmfs_${CI_JOB_ID} /root/shrinkwrap.sh -t /tmp/traces -e ${CVMFS_EXPORT_DIR}
     # get the generated traces from the container