#! /bin/sh
#----------------------------------------------------------------------------
# add-group - add a group
#
# Copyright (c) 2001-2003 Frank Meyer <frank@eisfair.org>
#
# usage: add-group
#    or: add-group group gid
#
# Creation:	04.11.2001  fm
# Last Update:  19.07.2003  fm
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------
case $#
in
    0)
	interactive='true'

	group=""
	gid=""
	;;
    2)
	interactive='false'

	group="$1"
	gid="$2"
	;;
    *)
	echo "usage: `basename $0`" >&2
	echo "   or: `basename $0` group gid" >&2
	exit 1
	;;
esac

if [ "$interactive" = "true" ]
then
    clrhome
    colecho "Add group" gn
    echo
fi

if [ "$gid" = "" ]
then
    IFS=':'
    gid=200
    while read line
    do
	set -- $line
	if [ $3 -gt $gid -a $3 -lt 300 ]
	then
	    gid=$3
	fi
    done </etc/group

    gid=`expr $gid + 1`
fi

if [ "$group" = "" ]
then
    echo -e "Group (max. 8 characters, e.g. 'www'): \c"
    read group
fi

case "$group"
in
    ?????????*)
	echo
	colecho "name of group is too long" br x br
	;;
    "")
	colecho "no group added" br x br
	;;
    *)
	grep "^$group:" /etc/group >/dev/null
	if [ $? = 0 ]
	then
	    echo
	    colecho "group $group already exists" br x br
	else
	    echo "$group:x:$gid:" >>/etc/group
	fi
	;;
esac

if [ "$interactive" = "true" ]
then
    echo
    /var/install/bin/anykey
fi