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fwtool_pre_upgrade() {
fwtool -q -i /dev/null "$1"
}
fwtool_check_image() {
[ $# -gt 1 ] && return 1
. /usr/share/libubox/jshn.sh
if ! fwtool -q -i /tmp/sysupgrade.meta "$1"; then
echo "Image metadata not found"
[ "$REQUIRE_IMAGE_METADATA" = 1 ] && return 1
return 0
fi
json_load "$(cat /tmp/sysupgrade.meta)" || {
echo "Invalid image metadata"
return 1
}
device="$(cat /tmp/sysinfo/board_name)"
json_select supported_devices || return 1
json_get_keys dev_keys
for k in $dev_keys; do
json_get_var dev "$k"
[ "$dev" = "$device" ] && return 0
done
echo "Device $device not supported by this image"
echo -n "Supported devices:"
for k in $dev_keys; do
json_get_var dev "$k"
echo -n " $dev"
done
echo
return 1
}
|
