#!/bin/bash
# Install daily noreply@ auto-purge cron in ROOT crontab (NOT zextras' -- that one is
# regenerated by Carbonio/zmcontrol and would wipe our line). Root crontab is stable.
# Invokes the purge as the zextras user. Date-bounded (last 3 days) so it stays cheap.
set -e
SCRIPT=/opt/zextras/nr_purge.sh
LOG=/var/log/nr_purge_cron.log
CRON_LINE="17 4 * * * su - zextras -c 'bash $SCRIPT --apply --days 3' >> $LOG 2>&1"
( crontab -l 2>/dev/null | grep -v 'nr_purge.sh' ; echo "$CRON_LINE" ) | crontab -
echo "=== root crontab nr_purge line ==="; crontab -l | grep nr_purge