#! /bin/sh
# newswatch [spacemin [batchmax]]
# look for anomalies, notably locks present a long time

# =()<. ${NEWSCONFIG-@<NEWSCONFIG>@}>()=
. ${NEWSCONFIG-/var/lib/news/bin/config}

PATH=$NEWSCTL/bin:$NEWSBIN/maint:$NEWSBIN:$NEWSPATH ; export PATH
umask $NEWSUMASK

tmp=/tmp/newsw$$
>$tmp

cd $NEWSCTL

locks="`echo LOCK* $NEWSARTS/out.going/*/L*`"
if test -r watchtime -a " $locks" != " LOCK* $NEWSARTS/out.going/*/L*"
then
	trouble="`find $locks ! -newer watchtime -print 2>/dev/null`"
	if test " $trouble" != " "
	then
		echo 'Suspiciously old locks:' >>$tmp
		ls -ldtr $trouble >>$tmp
		echo
	fi
fi

if test " $1" != " "
then
	didsome=n
	for fs in incoming articles control outbound
	do
		if test " `spacefor $1 $fs`" -eq 0
		then
			echo "\`spacefor $1 $fs' reports disk shortage" >>$tmp
			didsome=y
		fi
	done
	if test " $didsome" = " y"
	then
		echo
	fi
fi

if test " $2" != " "
then
	n="`ls $NEWSARTS/in.coming | egrep '^[0-9]' | wc -l`"
	if test " $n" -gt " $2"
	then
		echo "There are a great many spooled input batches ($n)."
		echo
	fi
fi

if test -s $tmp
then
	echo 'Subject: newswatch has detected news-system anomalies'
	echo
	cat $tmp
fi
rm -f $tmp
touch watchtime