NetBSD/minstall

#! /bin/sh
#
#	kinstall/minstall - install patches to kernel sources
#
# WARNING:  This script should be run exactly once on a virgin system
#
PATH=/sbin:/usr/sbin:/bin:/usr/bin; export PATH

# try to bomb out fast if anything fails....
set -e

argv0=`basename $0`
dir=`pwd`
karch=`uname -m`
archdir="/sys/arch/$karch"
confdir="$archdir/conf"

case "$dir" in
*/NetBSD )
	 cd ..
	 ;;
esac

echo "Patching ip_input.c, ip_output.c and in_proto.c ..."
cat NetBSD/i*.c.diffs | (cd /sys/netinet; patch)

if [ -f /sys/conf/files.newconf ]; then
	echo "Patching /sys/conf/files.newconf ..."
	cat NetBSD/files.newconf.diffs | (cd /sys/conf; patch)
	echo "Patching /sys/conf/files ..."
	cat NetBSD/files.diffs | (cd /sys/conf; patch)
fi
if [ -f /sys/conf/files.oldconf ]; then
	echo "Patching /sys/conf/files.oldconf ..."
	cat NetBSD/files.oldconf.diffs | (cd /sys/conf; patch)
	echo "Patching /sys/conf/files ..."
	cat NetBSD/filez.diffs | (cd /sys/conf; patch)
fi

echo -n "Kernel configuration to update [GENERIC] "
read newconfig junk

if [ -n "$newconfig" ] ; then
	config="$confdir/$newconfig"
else
	newconfig="$confdir/GENERIC"
fi

if egrep '^options.*IPFILTER_LKM' $confdir/$newconfig > /dev/null 2>&1 ; then
	echo "$newconfig already contains proper options statement..."
	echo 'You will now need to build a new kernel.'
else
	echo "Backing up $newconfig to .bak and adding IPFILTER options..."
	if [ -f $confdir/$newconfig ]; then
		mv $confdir/$newconfig $confdir/$newconfig.bak
	fi
	if [ -d $archdir/compile/$newconfig ]; then
		mv $archdir/compile/$newconfig $archdir/compile/$newconfig.bak
	fi
	grep -v IPFILTER $confdir/$newconfig.bak | \
	awk '{print $0} $2=="INET"{print "options IPFILTER_LKM"}' \
	> $confdir/$newconfig

	echo 'You will now need to run "config" and build a new kernel.'
fi

exit 0