#!/bin/bash

set -xeo pipefail

ssh-copy-id root@${OPENWRT_DEVICE}

TARGET_ARCH=$(ssh root@${OPENWRT_DEVICE} source /etc/os-release \&\& echo \${OPENWRT_BOARD:-\$LEDE_BOARD})

FIRMWARE_FILE=bin/${OPENWRT_VERSION}/${TARGET_ARCH}/${OPENWRT_PROFILE}/openwrt-*-squashfs-factory.img
FIRMWARE_FILE=${CUSTOM_FIRMWARE_FILE:-$FIRMWARE_FILE}

NOW=$(date +%Y-%m-%d)
BACKUP_FILENAME="backup_${OPENWRT_DEVICE}_${NOW}.tar.gz"

ssh root@${OPENWRT_DEVICE} \
    rm -f "/tmp/${BACKUP_FILENAME}" \
    \&\& sysupgrade -b "/tmp/${BACKUP_FILENAME}"

mkdir -p tmp/backups

scp "root@${OPENWRT_DEVICE}:/tmp/${BACKUP_FILENAME}" ./tmp/backups/

ssh root@${OPENWRT_DEVICE} \
    mkdir -p /tmp/firmwares \
    \&\& rm /tmp/firmwares/* \|\| exit 0;

scp $FIRMWARE_FILE root@${OPENWRT_DEVICE}:/tmp/firmwares/

ssh root@${OPENWRT_DEVICE} sysupgrade --force -p -v -n "/tmp/firmwares/$(basename $FIRMWARE_FILE)"