#!/bin/bash

set -euo pipefail

cd /

instance=$1; shift

/usr/sbin/sendmail -t <<ERRMAIL
To: $1
From: systemd <root@$HOSTNAME>
Subject: Backup @ $HOSTNAME
Content-Transfer-Encoding: 8bit
Content-Type: text/plain; charset=UTF-8

$(systemctl status --full 2>&1)
$(journalctl --since today --unit tergum@$instance 2>&1)
ERRMAIL