#!/bin/bash -e

cd /etc/

[ -d letsencrypt~ ] \
&& diff -rq letsencrypt/ letsencrypt~/ \
&& exit 0

( echo "Subject: New /etc/letsencrypt/ on Droplet."
  echo ""
  tar czf - letsencrypt/ \
  | gpg --encrypt --armor \
	--trust-model always --recipient root@core ) \
| sendmail root \
|| exit $?

rm -rf letsencrypt~
cp -a letsencrypt letsencrypt~