#!/bin/sh
# -*- mode: shell-script; coding: utf-8 -*-
#
# seed-exim4-hostnames
#
# Script to .
#
# Copyright (C) 2012 Elmar Hoffmann
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
#

set -e

PRESEEDFILE='/usr/share/elho/preseed/exim4-hostnames.cfg.in'

mailname=$(hostname --fqdn)
shortmailname=$(echo "${mailname}" \
    | sed --quiet --expression='s/^\([^.]*\)\..*$/\1/p')

sed --expression="s/@MAILNAME@/${mailname}/g;s/@HOSTNAMES@/${shortmailname} : ${mailname}/g" \
    "${PRESEEDFILE}"
