emissary-firmware/misc/script/flash.sh

#!/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_FILENAME=${FIRMWARE_FILENAME:-openwrt-*-sysupgrade.img*}
FIRMWARE_FILE=bin/${OPENWRT_VERSION}/${TARGET_ARCH}/${OPENWRT_PROFILE}/${FIRMWARE_FILENAME}
FIRMWARE_FILE=${CUSTOM_FIRMWARE_FILE:-$FIRMWARE_FILE}

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

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

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