#!/bin/bash
set -x -e
HOST_DIR="${HOST_DIR:-/host}"
RELEASE_FILE="${RELEASE_FILE:-/etc/os-release}"

if [ "$FORCE" != "true" ]; then
    if diff $RELEASE_FILE ${HOST_DIR}${RELEASE_FILE} >/dev/null; then
        echo Update to date with
        cat /etc/os-release
        exit 0
    fi
fi

mount --rbind $HOST_DIR/dev /dev
mount --rbind $HOST_DIR/run /run
bash -x cos-upgrade --directory /
nsenter -i -m -t 1 -- reboot
exit 1