#!/bin/bash set -e #set -x source ./constraint.sh if [ ${ID} -ne 0 ]; then echo "This script has to be run as root." exit fi clean(){ echo Done, cleaning. # Only if running on a rPi # mount -o remount,rw / ${SYNC} # shutdown -h now } trap clean EXIT TERM INT # Remount the root filesystem in RO mode # mount -o remount,ro / su ${USERNAME} -c ./groomer.sh