source: hybrid/branches/releng-9.0/nanobsd/files/etc/local/rc.d/nanobsd-motd@ 10448

#!/bin/sh
#
# $FreeBSD: src/etc/rc.d/motd,v 1.9.10.1.4.1 2009/04/15 03:14:26 kensmith Exp $
#

# PROVIDE: nanobsd-motd
# REQUIRE: mountcritremote
# BEFORE:  LOGIN

. /etc/rc.subr

name="nanobsd_motd"
rcvar="update_nanobsd_motd"
start_cmd="motd_start"
stop_cmd=":"

PERMS="644"

motd_start()
{
        #       Update kernel info in /etc/motd
        #       Must be done *before* interactive logins are possible
        #       to prevent possible race conditions.
        #
        echo -n 'Updating motd'
        if [ ! -f /etc/motd ]; then
                install -c -o root -g wheel -m ${PERMS} /dev/null /etc/motd
        fi

        if [ ! -w /etc/motd ]; then
                echo ' ... /etc/motd is not writable, update failed.'
                return
        fi

        T=`mktemp -t motd`
        uname -v | sed -e 's,^\([^#]*\) #\(.* [1-2][0-9][0-9][0-9]\).*/\([^\]*\) $,\1 (\3) #\2,' > ${T}
        awk '{if (NR == 1) {if ($1 == "FreeBSD") {next} else {print "\n"$0}} else {print}}' < /etc/motd >> ${T}

        cmp -s $T /etc/motd || {
                # XXX: Hack quick and dirty combine of /etc/rc.d/motd and /tools/savesshkeys
                trap "umount /cfg" 1 2 15 EXIT
                mount /cfg
                cp $T /cfg/motd
                chmod ${PERMS} /etc/motd
                umount /cfg
                trap 1 2 15 EXIT

                trap "mount -uro noatime /" 1 2 15 EXIT
                mount -uwo noatime /
                cp $T /etc/motd
                chmod ${PERMS} /etc/motd
                mount -uro noatime /
                trap 1 2 15 EXIT
        }
        rm -f $T

        echo .
}

load_rc_config $name
run_rc_command "$1"