. /lib/functions.sh
. /lib/upgrade/common.sh

export_bootdevice && export_partdevice diskdev 0
if readlink "/sys/block/$diskdev" | grep -q "usb"; then
    exit 1
else
    [ "$(uci -q get fstab.ns_data)" = "mount" ] && exit 0
    jdev=$(/usr/libexec/ns-storage-setup-partition) || exit 0
    part=$(echo "$jdev" | jsonfilter -e '@.device')
    /usr/sbin/add-storage $part
    exit 0
fi
