#
# Copyright (C) 2014-2016 OpenWrt.org
# Copyright (C) 2016 LEDE-Project.org
#

preinit_mount_syscfg() {
	. /lib/functions.sh
	. /lib/upgrade/common.sh

	case $(board_name) in
	linksys,caiman|linksys,cobra|linksys,mamba|linksys,rango|linksys,shelby|linksys,venom)
		needs_recovery=0
		syscfg_part=$(grep syscfg /proc/mtd |cut -c4)
		ubiattach -m $syscfg_part || needs_recovery=1
		if [ $needs_recovery -eq 1 ]
		then
			echo "ubifs syscfg partition is damaged, reformatting"
			ubidetach -m $syscfg_part
			ubiformat -y -O 2048 -q /dev/mtd$syscfg_part
			ubiattach -m $syscfg_part
			ubimkvol /dev/ubi1 -n 0 -N syscfg -t dynamic --maxavsize
		fi
		mkdir /tmp/syscfg
		mount -t ubifs ubi1:syscfg /tmp/syscfg
		[ -f "/tmp/syscfg/$BACKUP_FILE" ] && {
		echo "- config restore -"
		cd /
		mv "/tmp/syscfg/$BACKUP_FILE" /tmp
		tar xzf "/tmp/$BACKUP_FILE"
		rm -f "/tmp/$BACKUP_FILE"
		sync
		}
		;;
	esac
}

boot_hook_add preinit_main preinit_mount_syscfg