#!/bin/sh
set -e

POSTFIX_BCKFILE="/var/backups/mail-stack-delivery/main.cf-backup"

PATH=/usr/sbin:$PATH
export PATH

if [ "$1" = "remove" -o "$1" = "purge" ]; then
	# Restore postfix configuration
	if [ "$1" = "remove" ]; then
		if which postconf >/dev/null && [ -f "${POSTFIX_BCKFILE}" ]; then
			while read line; do
				postconf -e "$line"
			done < "${POSTFIX_BCKFILE}"
			rm -f "${POSTFIX_BCKFILE}"
		fi
	fi
	if [ -x "/etc/init.d/postfix" ]; then
        	if [ -x /usr/sbin/invoke-rc.d ]; then
                	invoke-rc.d postfix restart
        	else
                	service postfix restart
        	fi
	fi
fi