#!/bin/sh

set -e

if [ "$1" = "install" ] && [ -n "$2" ] ; then
	[ -f /etc/logrotate.d/rsyslog.disabled ] && mv -f /etc/logrotate.d/rsyslog.disabled /etc/logrotate.d/rsyslog
fi

# In wheezy we ship the syslog.service symlink directly in the package, in
# jessie we use init-system-helpers to create it dynamically in postinst.
# During the upgrade there is a time frame when the symlink does not exist.
# If systemd is reloaded at this point, it loses track of the rsyslogd process.
# To work around this problem, create a (runtime) copy of the syslog.service
# symlink before the upgrade and remove it again afterwards. See #724796
if [ "$1" = "upgrade" ] && dpkg --compare-versions "$2" lt "7.4.1-2" ; then
	if [ -d /run/systemd/system ] && [ -L /etc/systemd/system/syslog.service ] ; then
		ln -sf /lib/systemd/system/rsyslog.service /run/systemd/system/syslog.service
	fi
fi