case "$1" in
-k)
shift
+ export SAVE_CONFIG=1
export KEEP_PATTERN="$1"
;;
-*)
run_hooks "" $sysupgrade_pre_upgrade
v "Switching to ramdisk..."
-run_ramfs '. /etc/functions.sh; include /lib/upgrade; do_upgrade'
\ No newline at end of file
+run_ramfs '. /etc/functions.sh; include /lib/upgrade; do_upgrade'