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#
# Copyright (C) 2010-2013 OpenWrt.org
#
rootpartuuid() {
local cmdline=$(cat /proc/cmdline)
local bootpart=${cmdline##*root=}
bootpart=${bootpart%% *}
local uuid=${bootpart#PARTUUID=}
echo ${uuid%-02}
}
bootdev_from_uuid() {
blkid | grep "PTUUID=\"$(rootpartuuid)\"" | cut -d : -f1
}
bootpart_from_uuid() {
blkid | grep $(rootpartuuid)-01 | cut -d : -f1
}
rootpart_from_uuid() {
blkid | grep $(rootpartuuid)-02 | cut -d : -f1
}
imx_sdcard_mount_boot() {
mkdir -p /boot
[ -f /boot/uImage ] || {
mount -o rw,noatime $(bootpart_from_uuid) /boot > /dev/null
}
}
imx_sdcard_copy_config() {
imx_sdcard_mount_boot
cp -af "$UPGRADE_BACKUP" "/boot/$BACKUP_FILE"
sync
umount /boot
}
imx_sdcard_do_upgrade() {
local board_dir="$(tar tf "${1}" | grep -m 1 '^sysupgrade-.*/$')"
board_dir="${board_dir%/}"
imx_sdcard_mount_boot
get_image "$1" | tar Oxf - ${board_dir}/kernel > /boot/uImage-new && \
mv /boot/uImage-new /boot/uImage && \
sync && \
get_image "$1" | tar Oxf - ${board_dir}/root > $(rootpart_from_uuid) && \
sync
umount /boot
}
imx_sdcard_pre_upgrade() {
[ -z "$UPGRADE_BACKUP" ] && {
jffs2reset -y
umount /overlay
}
}
imx_sdcard_move_config() {
if [ -b $(bootpart_from_uuid) ]; then
imx_sdcard_mount_boot
[ -f "/boot/$BACKUP_FILE" ] && mv -f "/boot/$BACKUP_FILE" /
umount /boot
fi
}
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