Checking old rawdata for contents before copying it in case the productfetcher failed previously

shared/workspaces/alembic/versions/templates/restore_cms/fetch_sh_2.8.3.txt

@@ -11,7 +11,7 @@ cd {{spool_dir}}
 $SBIN_PATH/framework.sh -d .
 chmod 770 .
 
-if [ ! -z "$PREV_SPOOL" ] && [ -d $PREV_SPOOL/rawdata/ ]; then
+if [ ! -z "$PREV_SPOOL" ] && [ -d $PREV_SPOOL/rawdata/ ] && [ ! -z "$(ls -A $PREV_SPOOL/rawdata/)" ]; then
     # Reuse the raw data from the previous version
     mv $PREV_SPOOL/rawdata/ .
 else

shared/workspaces/alembic/versions/templates/std_calibration/fetch_sh_2.8.3.txt

@@ -11,7 +11,7 @@ cd {{spool_dir}}
 $SBIN_PATH/framework.sh -d .
 chmod 770 .
 
-if [ ! -z "$PREV_SPOOL" ] && [ -d $PREV_SPOOL/rawdata/ ]; then
+if [ ! -z "$PREV_SPOOL" ] && [ -d $PREV_SPOOL/rawdata/ ] && [ ! -z "$(ls -A $PREV_SPOOL/rawdata/)" ]; then
     # Reuse the raw data from the previous version
     mv $PREV_SPOOL/rawdata/ .
 else

shared/workspaces/alembic/versions/templates/std_restore_imaging/fetch_sh_2.8.3.txt

@@ -11,7 +11,7 @@ cd {{spool_dir}}
 $SBIN_PATH/framework.sh -d .
 chmod 770 .
 
-if [ ! -z "$PREV_SPOOL" ] && [ -d $PREV_SPOOL/rawdata/ ]; then
+if [ ! -z "$PREV_SPOOL" ] && [ -d $PREV_SPOOL/rawdata/ ] && [ ! -z "$(ls -A $PREV_SPOOL/rawdata/)" ]; then
     # Reuse the raw data from the previous version
     mv $PREV_SPOOL/rawdata/ .
 else