#! /bin/sh
# addgroup - add a newsgroup, locally only

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

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

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

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

case "$1" in
*/*)	echo "$usage" >&2 ; exit 2	;;
esac

case "$2" in
[ynmx])	;;
=*/*)	echo "$usage" >&2 ; exit 2	;;
=*)	;;
*)	echo "$usage" >&2 ; exit 2	;;
esac

already="`awk '\$1 == \"'"$1"'\"' $NEWSCTL/active`"
if test " $already" != " "
then
	echo "$0: $1 appears to exist already: \`$already'" >&2
	exit 1
fi

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

max=0000000000
case "$2" in
[x=]*)	;;
*)	d=`echo $1 | tr . /`
	hi=
	if test -d $NEWSARTS/$d			# recreating old group
	then
		hi=`ls -f $NEWSARTS/$d | egrep '^[0-9]+$' | sort -n | tail -1`
	fi
	if test " $hi" != " "			# old articles still there
	then
		max=000$hi
	fi
	mkpdir $NEWSARTS/$d $NEWSOV/$d
	touch $NEWSOV/$d/.overview
	;;
esac
echo "$1 $max 00001 $2" >>$NEWSCTL/active

SENDER=${LOGNAME-${USER-unknown}}@`newshostname`
echo "$1 `now` $SENDER" >>$NEWSCTL/active.times