#!/bin/bash

echo -e "UPDATE\t: $0 START `date`"

if [ "`whoami`" == "root" ]; then
    echo -e "ERROR\t: root detected. This script cannot be run as root"
    exit -1
fi

if [ "`id -u`" == "0" ]; then
    echo -e "UPDATE\t: superuser detected, switching to normal user"
    sudo -u `whoami` $0 $*
    RC=$?
    exit $RC
fi
echo -e "UPDATE\t: normal user detected"

sync
sleep 5
sudo shutdown -r now

echo -e "UPDATE\t: $0 END `date`"