+if [ -n "$UPDATE" ] ; then
+ if ! [ -r "$CHROOT_OUTPUT/etc/grml_version" ] ; then
+ log "Error: It does not look like you have a working chroot system. Updating not possible."
+ eerror "Error: It does not look like you have a working chroot system. Updating not possible."
+ eend 1
+ bailout 20
+ fi
+fi
+