#! /bin/sh
# domkov - update all relevant .overview files from header stream

# =()<. ${NEWSCONFIG-@<NEWSCONFIG>@}>()=
. ${NEWSCONFIG-/usr/local/libexec/cnews/config}

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

lock -o LOCKoverview $$ || exit 0	# if can't get lock, leave until later
trap "unlock LOCKoverview ; trap 0 ; exit 0" 0 1 2 15

cd $NEWSCTL
lock LOCK $$
trap '' 1 2 15
mv headers headers.old		# move headers stream out of harm's way
touch headers
unlock LOCK
trap "unlock LOCKoverview ; trap 0 ; exit 0" 0 1 2 15

mkov headers.old | sort -t'	' +0 -1 +1n -2 |
	( cd $NEWSARTS ; ovsplit $NEWSOV )
rm -f headers.old