-
-trap "mount -o remount,rw $mountpoint; exit 12" 0
-cp -a -- "$mountpoint/." "$snmnt/."
+trap "set +e; mount -o remount,rw $mountpoint; exit 12" 0
+echo ' source remounted readonly, copying...'
+cp -ax -- "$mountpoint/." "$snmnt/."
+echo ' finalising...'