#! /bin/sh
# newsflag - change the flag (4th field of active) for a newsgroup

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

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

usage="Usage: $0 groupname {y|n|m|x|=realgroup}"

case $# in
2)	;;
*)	echo "$usage" >&2 ; exit 2	;;
esac

cd $NEWSCTL

lock -v LOCK $$ 5 || exit 1
status=1
trap "unlock LOCK ; trap 0 ; exit \$status" 0 1 2 15

if awk 'BEGIN { found = 0 }
	$1 == "'"$1"'" { $4 = "'"$2"'" ; found = 1 }
	{ print }
	END {
		if (found == 1)
			exit 0
		else
			exit 1
	}' active >active.new
then
	mv active active.old && mv active.new active
	status=0
else
	echo "$0: cannot find newsgroup \`$1'" >&2
	rm active.new
fi