#! /bin/sh
# addfeed - add an outbound feed

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

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

usage="Usage: $0 [-L] [-f feedtype] sitename groups"

feedtype=f
local=
while :
do
	case "$1" in
	-L)	local=L ; shift ;;
	-f)	case "$2" in
		'')	echo "$usage" >&2; exit 1;;
		esac
		feedtype="$2"
		shift
		shift
		;;
	*)	break;;
	esac
done

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

case "$1$2" in
*:*)	echo "$usage" >&2 ; exit 2	;;
esac
if egrep -s "^$1:" $NEWSCTL/sys >/dev/null
then
	echo "$0: sys-file entry for \`$1' already exists" >&2
	exit 1
fi

case "$2" in
=*)	b="`echo $2 | sed 's/^=//'`"		# base system
	groups="`awk -F: \"\\\$1 == \\\"$b\\\" {print \\\$2}\" $NEWSCTL/sys |
						sed \"s;to\\.$b;to.$1;\"`"
	;;
*)	groups="$2"	;;
esac
case "$groups" in
*/*)	;;
*)	groups="$groups/all"	;;
esac

lock="$NEWSCTL/LOCK"
ltemp="$NEWSCTL/L.$$"
echo $$ >$ltemp
trap "rm -f $ltemp ; exit 0" 0 1 2 15
while true
do
	if newslock $ltemp $lock
	then
		trap "rm -f $ltemp $lock ; exit 0" 0 1 2 15
		break
	fi
	echo 'news system locked, waiting...'
	sleep 5
done

echo "$1:$groups:${local}${feedtype}:" >>$NEWSCTL/sys
mkdir "$NEWSARTS/out.going/$1"

if egrep -s "^($1|/default/)[ 	]" $NEWSCTL/batchparms >/dev/null
then
	: okay
else
	echo "$0: remember to add a line to \`batchparms' for \`$1'"
fi