#!/bin/bash
# $Header: /home/cvsd/magellan-cvs/magellan-src/mage/usr/lib/mage/mgroupadd,v 1.4 2005-06-01 15:48:38 niro Exp $

# include all needed files
[ -f /etc/mage.rc.global ] && source /etc/mage.rc.global
[ -f ${MAGERC} ] && source ${MAGERC}
[ -f ${MLIBDIR}/mage4.functions.sh ] && source ${MLIBDIR}/mage4.functions.sh

print_usage()
{
	echo "$(basename $0 .sh) adds groups to /etc/group."
	echo " USAGE:    $(basename $0 .sh) -o OPTIONS GROUP_NAME .."
	echo
	echo " OPTIONS:  -o \"OPTS\"all options from /usr/sbin/groupadd can be used."
	echo
	echo " Examples:"
	echo "    $(basename $0 .sh) -o \"-g 22\" sshd"
	echo
}

busybox_fix_group_opts()
{
	local i
	local FIXED_GROUP_OPTS

	for i in $*
	do
		case $1 in
			-r) FIXED_GROUP_OPTS+=" -S" ;;
			*) FIXED_GROUP_OPTS+=" $1" ;;
		esac
		shift
	done

	echo "${FIXED_GROUP_OPTS}"
}

if [[ ! -z ${MROOT} ]] && [[ ${MROOT} != / ]]
then
	chroot="chroot ${MROOT} "
else
	chroot=""
fi

while getopts "o:-" opt ; do
	case "${opt}" in
		o)
			GROUP_OPTS="${OPTARG}"
			;;

		-) break
			;;

		*)
			print_usage
			exit 1
			;;
	esac
done
shift $(($OPTIND - 1))

#exit if $1 is zero
if [ -z "$1" ]
then
	print_usage
	exit 1
fi

GROUP_TO_ADD="$1"

# busybox support needed?
if need_busybox_support addgroup
then
	echo -n "     Adding group '${GROUP_TO_ADD}'"
	[[ ! -z ${chroot} ]] && echo -n " into MROOT='${MROOT}'"
	echo " ..."
	${chroot} addgroup $(busybox_fix_group_opts ${GROUP_OPTS}) "${GROUP_TO_ADD}"

# normal systems
else
	# get the info
	my_group="$(${chroot} getent group ${GROUP_TO_ADD})"

	# if above entries are empty the user/group does not exist
	if [ -z "${my_group}" ]
	then
		echo -n "     Adding group '${GROUP_TO_ADD}'"
		[[ ! -z ${chroot} ]] && echo -n " into MROOT='${MROOT}'"
		echo " ..."
		${chroot} groupadd ${GROUP_OPTS} "${GROUP_TO_ADD}"
	else
		echo -n "     Modifing group '${GROUP_TO_ADD}'"
		[[ ! -z ${chroot} ]] && echo -n " in MROOT='${MROOT}'"
		echo " ..."
		${chroot} groupmod ${GROUP_OPTS} "${GROUP_TO_ADD}"
	fi
fi