xref: /dragonfly/etc/rc.d/motd (revision 67640b13) 
1#!/bin/sh
2#
3# $NetBSD: motd,v 1.5 2000/09/19 13:04:38 lukem Exp $
4# $FreeBSD: src/etc/rc.d/motd,v 1.6 2003/06/30 22:06:26 mtm Exp $
5# $DragonFly: src/etc/rc.d/motd,v 1.10 2005/11/19 21:47:32 swildner Exp $
6#
7
8# PROVIDE: motd
9# REQUIRE: mountcritremote
10# BEFORE:  LOGIN
11
12. /etc/rc.subr
13
14name="motd"
15rcvar="update_motd"
16start_cmd="motd_start"
17stop_cmd=":"
18PERMS="644"
19
20motd_start()
21{
22	#	Update kernel info in /etc/motd
23	#	Must be done *before* interactive logins are possible
24	#	to prevent possible race conditions.
25	#
26	echo "Updating motd."
27	if [ ! -f /etc/motd ]; then
28		install -c -o root -g wheel -m ${PERMS} /dev/null /etc/motd
29	fi
30	T1=`mktemp -t motd`
31	awk 'NR == 1{if ($1 == "DragonFly") {print} else {exit 1}}' < /etc/motd > $T1 && {
32
33        T2=`mktemp -t motd`
34        uname -v | sed -e 's,^\([^#]*\) #\(.* [1-2][0-9][0-9][0-9]\).*/\([^\]*\) $,\1 (\3) #\2,' > ${T2}
35        cmp -s $T1 $T2 || {
36                       awk '{if (NR == 1) {next} else {print}}' < /etc/motd >> ${T2}
37                       cp $T2 /etc/motd
38                       chmod ${PERMS} /etc/motd
39                       rm -f $T2
40               }
41	}
42	rm -f $T1 $T2
43}
44load_rc_config $name
45run_rc_command "$1"
46