openwrt/target/linux/mvebu/base-files/lib/preinit/82_uDPU
Rafał Miłecki bf39047872 treewide: don't hardcode "sysupgrade.tgz" file name
1) Add BACKUP_FILE and use it when copying an archive to be restored
   after sysupgrade (on the next preinit).
2) Use CONF_TAR for copying backup prepared by the /sbin/sysupgrade

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2019-09-05 14:33:19 +02:00

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#
# Copyright (C) 2014-2019 OpenWrt.org
# Copyright (C) 2016 LEDE-Project.org
#
preinit_mount_udpu() {
. /lib/functions.sh
. /lib/upgrade/common.sh
case $(board_name) in
methode,udpu)
# Check which device is detected
[ -b "/dev/mmcblk0" ] && mmcdev="/dev/mmcblk0" || mmcdev="/dev/mmcblk1"
if [ -b "${mmcdev}p4" ]; then
mkdir /misc
mount -t f2fs ${mmcdev}p4 /misc
[ -f "/misc/$BACKUP_FILE" ] && {
echo "- Restoring configuration files -"
tar xzf "/misc/$BACKUP_FILE" -C /
rm -f "/misc/$BACKUP_FILE"
sync
}
[ -f "/misc/firmware/recovery.itb" ] && {
echo "- Updating /recovery partition -"
mkfs.ext4 -q ${mmcdev}p2 | echo y &> /dev/null
mkdir -p /tmp/recovery
mount ${mmcdev}p2 /tmp/recovery
cp /misc/firmware/recovery.itb /tmp/recovery
[ -f "/misc/firmware/boot.scr" ] && \
cp /misc/firmware/boot.scr /tmp/recovery
sync
umount /tmp/recovery
rm -rf /tmp/recovery
# Replace previous backup with the new one
[ -d "/misc/firmware_old" ] && rm -rf /misc/firmware_old
[ -d "/misc/firmware" ] && mv /misc/firmware /misc/firmware_old
}
fi
# Legacy support - if rootfs was booted, instruct u-boot to keep the current root dev
[ "$(df | grep /dev/root)" ] && fw_setenv root_ok '2'
;;
esac
}
boot_hook_add preinit_main preinit_mount_udpu