Ensure that any Oracle > 11g doesn't use tmpfs anymore

Apart from not giving a real benefit, the new machinery
in Oracle 12 and up doesn't work well with these devices
leading to all sort of problems is we also want to change
system settings.

Hence, disabling tmpfs. There are some more details in the
long conversation @ gvenzl/oci-oracle-xe#111
(about that and many other details / iterations)

runner/master/run.sh

@@ -425,13 +425,20 @@ then
 
 elif [ "${DBTYPE}" == "oci" ]
 then
+  # Need to adjust how we use tmpfs database depending on the database tag.
+  # For newer versions, do this (no tmpfs, but apply system settings - it's impossible to have both together).
+  tmpfsinit=
+  tmpfsmount=
+  if [ "${DBTAG}" == "latest" ] || [ "${DBTAG}" == "11" ]
+  then
+      tmpfsinit="-v $SCRIPTPATH/oracle.d/tmpfs.sh:/docker-entrypoint-initdb.d/tmpfs.sh"
+      tmpfsmount="--tmpfs /var/lib/oracle --shm-size=2g"
+  fi
   docker run \
     --detach \
     --name ${DBHOST} \
     --network "${NETWORK}" \
-    -v $SCRIPTPATH/oracle.d/tmpfs.sh:/docker-entrypoint-initdb.d/tmpfs.sh \
-    --tmpfs /var/lib/oracle \
-    --shm-size=2g \
+    ${tmpfsinit} ${tmpfsmount} \
     -e ORACLE_DISABLE_ASYNCH_IO=true \
     moodlehq/moodle-db-oracle-r2:${DBTAG}