Certbot renewal for Powershell Empire

certbot

#!/bin/bash

service apache2 status
prevstatus=$?

if [ $prevstatus -ne 0 ]; then
  echo "Apache stopped, starting now."
  service apache2 start
fi

certbot renew

diff /opt/Empire/data/empire-chain.pem /etc/letsencrypt/live/thp3-c2.h3r3.tk/fullchain.pem
rv=$?

if [ $rv -ne 0 ]; then
  echo
  echo
  echo "Key was updated, copying to Empire"
  cp /etc/letsencrypt/live/thp3-c2.h3r3.tk/fullchain.pem /opt/Empire/data/empire-chain.pem
  cp /etc/letsencrypt/live/thp3-c2.h3r3.tk/privkey.pem /opt/Empire/data/empire-priv.key
fi

if [ $prevstatus -ne 0 ]; then
  echo "Returning apache to stopped state."
  service apache2 stop
fi