From 753bd4730c6b2aa5e6f0b777d13e5f07823ebcbc Mon Sep 17 00:00:00 2001
From: peter <peter@FreeBSD.org>
Date: Fri, 6 Aug 1999 06:16:06 +0000
Subject: Don't use /tmp/_motd in the aftermath of the chflags(2) revelations.

Obtained from: OpenBSD (millert etc/rc rev 1.102 and hugh)
---
 etc/rc | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

(limited to 'etc/rc')

diff --git a/etc/rc b/etc/rc
index b0e7a2b..1535005 100644
--- a/etc/rc
+++ b/etc/rc
@@ -1,5 +1,5 @@
 #!/bin/sh
-#	$Id: rc,v 1.189 1999/06/21 15:59:42 sheldonh Exp $
+#	$Id: rc,v 1.190 1999/08/02 05:42:44 imp Exp $
 #	From: @(#)rc	5.27 (Berkeley) 6/5/91
 
 # System startup script run by init on autoboot
@@ -400,13 +400,16 @@ if [ "X${local_startup}" != X"NO" ]; then
 fi
 
 if [ "X${update_motd}" != X"NO" ]; then
-	T=/tmp/_motd
-	rm -rf $T
-	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
-	cp $T /etc/motd
-	chmod 644 /etc/motd
-	rm -rf $T
+	T=`mktemp /tmp/_motd.XXXXXX`
+	if [ $? -ne 0 ]; then
+		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 || {
+			cp $T /etc/motd
+			chmod 644 /etc/motd
+		}
+		rm -f $T
+	fi
 fi
 
 # Run rc.devfs if present to customify devfs
-- 
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