BSD/upgrade

#!/bin/sh
#
PATH=/sbin:/usr/sbin:/bin:/usr/bin; export PATH
argv0=`basename $0`

case `pwd` in
*BSD)
	;;
*)
	cd BSD
	;;
esac
os=`uname -s`
rev=`uname -r`
maj=`expr $rev : '\([0-9]*\)\.'`
min=`expr $rev : '[0-9]*\.\([0-9]*\)'`
sub=`expr $rev : '[0-9]*\.[0-9]*\.\([0-9]*\)'`
plat=`uname -p`
objdir=${os}-${rev}-${plat}

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

if [ "$1" = "backout" ] ; then
	for i in ipf ipfstat ipmon ipnat ippool; do
		if [ -f /sbin/${i}.dist ] ; then
			mv /sbin/${i}.dist /sbin/${i}
		else
			mv /usr/sbin/${i}.dist /usr/sbin/${i}
		fi
	done
	if [ -f /boot/kernel/ipl.ko ] ; then
		mv /boot/kernel/ipl.ko.dist /boot/kernel/ipl.ko
		mv /boot/kernel/ipl.ko.symbols.dist /boot/kernel/ipl.ko.symbols
	fi
	exit 0
fi

for i in ipf ipfstat ipmon ipnat ippool; do
	if [ ! -f /sbin/${i}.dist -a -f /sbin/${i} ] ; then
		mv /sbin/${i} /sbin/${i}.dist
		cp -p /sbin/${i}.dist /sbin/${i}
		cp ${objdir}/${i} /sbin/
	fi
	if [ ! -f /usr/sbin/${i}.dist -a -f /usr/sbin/${i} ] ; then
		mv /usr/sbin/${i} /usr/sbin/${i}.dist
		cp -p /usr/sbin/${i}.dist /usr/sbin/${i}
		cp ${objdir}/${i} /usr/sbin/
	fi
done
if [ -f /boot/kernel/ipl.ko ] ; then
	if [ ! -f /boot/kernel/ipl.ko.dist ] ; then
		mv /boot/kernel/ipl.ko /boot/kernel/ipl.ko.dist
		cp -p /boot/kernel/ipl.ko.dist /boot/kernel/ipl.ko
	fi
	if [ ! -f /boot/kernel/ipl.ko.symbols.dist ] ; then
		mv /boot/kernel/ipl.ko.symbols /boot/kernel/ipl.ko.symbols.dist
	fi
	cp ${objdir}/ipf.ko /boot/kernel/ipl.ko
fi
exit 0