#!/bin/sh
QUIET=
if [ "$1" = "--quiet" ] ; then
	QUIET=on
	shift
fi
if [ "$1" = "--all" ] ; then
	if [ ! -x /root/logstory-listservers ] ; then
		echo Script /root/logstory-listservers do not exist
		echo Please create one which lists all servers to probe
		exit 1
	else
		SERVERS=`/root/logstory-listservers`
	fi
elif [ "$1" = "" ] ; then
	echo logstory-scanservers --all
	echo logstory-scanservers server1 ...
	exit 1
else
	SERVERS="$*"
fi
updateif(){
	if cmp -s $1 $2 
	then
		# No change. We keep the original timestamp
		rm -f $2
	else
		mv -f $2 $1
	fi
}
mkdir -p /var/log/logstory
ERROR=false
cd /var/log/logstory
for serv in $SERVERS
do
	if [ "$QUIET" != "on" ]; then
		echo $serv
	fi
	if [ ! -f $serv.story ] ; then
		touch $serv.story
	fi
	if scp -q /usr/sbin/logstory-scan $serv:/root/logstory-scan
	then
		if ssh $serv /root/logstory-scan | logstory $serv.story - >$serv.story.new
		then
			updateif $serv.story $serv.story.new
		else
			echo "Can't ssh to server" $serv
			ERROR=true
		fi
	else
		echo "Can't scp /usr/sbin/logstory-scan to server" $serv
		ERROR=true
	fi
done
if [ "$ERROR" = "true" ] ; then
	echo "Not updating unused.file"
else
	# Update the unused.file file with stuff which is not used
	if [ "$QUIET" != "on" ]; then
		echo Updating unused file...
	fi
	UNUSEDFILE=unused.file
	DEADSTUFF=deadstuff.file
	if [ ! -f $UNUSEDFILE ] ; then
		touch $UNUSEDFILE
	fi
	if [ ! -f $DEADSTUFF ] ; then
		touch $DEADSTUFF
	fi
	logstory --unused --deadstuff $DEADSTUFF *.story | logstory $UNUSEDFILE - >$UNUSEDFILE.new
	updateif $UNUSEDFILE $UNUSEDFILE.new
fi