etc/rc.d/motd

   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
  14 name="motd"
  15 rcvar="update_motd"
  16 start_cmd="motd_start"
  17 stop_cmd=":"
  18 PERMS="644"
  19
  20 motd_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 }
  44 load_rc_config $name
  45 run_rc_command "$1"