#!/bin/sh
#
# $Id$
#
cd @PREFIX@/libexec/uvscan/

# Force a low default and then get the current version's value
cur_AVVER="1"
if [ -f pkgdesc.ini ]; then
	cur_AVVER=`grep Version pkgdesc.ini | cut -f2 -d= |sed -e 's/^(\([45][0-9]+\)).*$/\1/'`
fi

# Find what the website has for the current version
fetch -q http://download.nai.com/products/datfiles/4.x/nai/update.ini || exit 1
AVVER="`grep DATVersion update.ini | head -1 | cut -f2 -d= | sed -e 's/^\([45][0-9]*\).$/\1/'`"
rm -f update.ini

# Check to make sure the requested version is "newer" then the current
if [ "$cur_AVVER" -lt "$AVVER" ]; then
	for i in *.tar ; do
		[ -f "$i" ] && mv $i $i.old
	done
	fetch -q http://download.nai.com/products/datfiles/4.x/nai/dat-$AVVER.tar || exit 1
	for i in *.dat ; do
		[ -f "$i" ] && cp -p $i $i.bak
	done
	tar xf dat-$AVVER.tar || exit 1
	rm -f *.old
	echo "`date` Successfully updated AntiVirus DAT files to $AVVER"
fi
exit 0