allow /etc/etcupdate.conf (and ~/.etcupdate.conf) to set IGNOREFILES to a list

of files that etcupdate will ignore; never considering them for updating.

usr.sbin/etcupdate/etcupdate

@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# $NetBSD: etcupdate,v 1.10 2003/02/04 08:33:03 martti Exp $
+# $NetBSD: etcupdate,v 1.11 2003/03/01 12:59:54 mrg Exp $
 #
 # Copyright (c) 2001 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -417,6 +417,14 @@ if [ -z "${CONTINUE}" ]; then
 	rm -f "${TEMPROOT}"/etc/spwd.db
 	find "${TEMPROOT}" -type f -size 0 -exec rm {} \;
 
+	# Ignore files we're told to ignore
+	if [ ! -z "${IGNOREFILES}" ]; then
+		echo "*** Ignoring files: ${IGNOREFILES}"
+		for file in ${IGNOREFILES}; do
+			rm -f "${TEMPROOT}"${file}
+		done
+	fi
+
 	# Are there any new directories?
 	echo "*** Checking for new directories"
 	for i in `find ${TEMPROOT} -type d`; do

usr.sbin/etcupdate/etcupdate.8

@@ -1,4 +1,4 @@
-.\"	$NetBSD: etcupdate.8,v 1.4 2003/02/14 16:11:35 grant Exp $
+.\"	$NetBSD: etcupdate.8,v 1.5 2003/03/01 12:59:55 mrg Exp $
 .\"
 .\" Copyright (c) 2001 The NetBSD Foundation, Inc.
 .\" All rights reserved.
@@ -158,6 +158,12 @@ variable.
 This is useful for
 .Xr xterm 1
 users with wider shell windows.
+.It Ev IGNOREFILES
+A list of files that
+.Nm
+should ignore.  Files listed in this
+variable will never be considered for updating by
+.Nm .
 .El
 .Sh FILES
 The environment variables can also be defined in the following configuration
@@ -232,3 +238,10 @@ Files are compared with
 .Xr cmp 1
 as this is more reliable and the only way if the version numbers are the
 same even though the files are different.
+.\" when exactly are the version the same even though the file changes?
+.\" .Pp
+.\" .Sh BUGS
+.\" Because of the use of
+.\" .Xr cmp 1
+.\" to compare files, rather than CVS versions, files that are locally changed
+.\" from the distribution are always considered needing to be updated.