#! /bin/bash
set -e

pdt="$(date -u +%s)"
dt=`echo date | @builddir@/grub-shell`
dtg="$(date -u -d "$dt" +%s)"
ndt="$(date -u +%s)"

if [ $pdt -le $dtg ] && [ $dtg -le $ndt ]; then
    exit 0;
fi
echo "Date not in range: $pdt <= $dtg <= $ndt"