#!/bin/sh

if ! findfs LABEL="CONFIG" > /dev/null; then
    echo "[Warning] No config partition found"
    exit 0
fi

# Mount config folder
systemctl start mnt-config.mount
if ! systemctl -q is-active mnt-config.mount; then
    echo "[Error] Can't mount config partition"
    exit 1
fi

##
# NetworkManager
if [ -d /mnt/config/network ]; then
    echo "[Info] Update NetworkManager connections!"

    rm -rf /etc/NetworkManager/system-connections/*
    cp -f /mnt/config/network/* /etc/NetworkManager/system-connections/
    chmod 600 /etc/NetworkManager/system-connections/*

    nmcli con reload
fi

##
# Modules
if [ -d /mnt/config/modules ]; then
    echo "[Info] Update Modules configuration!"

    rm -rf /etc/modules-load.d/*
    cp -f /mnt/config/modules/* /etc/modules-load.d/*
fi

##
# SSH know hosts
if [ -f /mnt/config/authorized_keys ]; then
    echo "[Info] Update SSH authorized_keys!"

    cp -f /mnt/config/authorized_keys /root/.ssh/authorized_keys
    chmod 600 /root/.ssh/authorized_keys

    systemctl start dropbear
else
    rm -f /root/.ssh/authorized_keys
    systemctl stop dropbear
fi

##
# Firmware update
UPTIME=$(awk '{printf "%0.f", $1}' /proc/uptime)
if ls /mnt/config/*.raucb > /dev/null && [ ${UPTIME} -ge 180 ]; then
    echo "[Info] Performe a firmware update"

    rauc_filename=$(ls /mnt/config/*.raucb | head -n 1)
    if rauc install ${rauc_filename}; then
        echo "[Info] Firmware update success"
        systemctl reboot
    else
        echo "[Error] Firmware update fails"
    fi
fi

# Cleanup config partition
systemctl stop mnt-config.mount