#!/bin/sh
#
# Compatibility script for FSG lsb_release v1.4 or newer
#
version="1.0"
distributor_id="VoidLinux"
description="Void Linux"
release="rolling"
codename="void"
options=""
short=0

while [ $# -gt 0 ]; do
	case "$1" in
	-v|--version) options="${options} version" ;;
	-i|--id) options="${options} distributor_id" ;;
	-d|--description) options="${options} description" ;;
	-r|--release) options="${options} release" ;;
	-c|--codename) options="${options} codename" ;;
	-a|--all) options="version distributor_id description release codename" ;;
	-s|--short) short=1 ;;
	-h|--help) cat << _EOF
SYNOPSIS
	lsb_release [OPTION]...
OPTIONS
	−v, −−version
	Display the version of the LSB specification against which the distribution is compliant.

	−i, −−id
	Display the string id of the distributor.

	−d, −−description
	Display the single line text description of the distribution.

	−r, −−release
	Display the release number of the distribution.

	−c, −−codename
	Display the codename according to the distribution release.

	−a, −−all
	Display all of the above information.

	−s, −−short
	Display all of the above information in short output format.

	−h, −−help
	Display this message.
_EOF
	;;
	-*)	# Multiple options in one parameter
		opt=$(echo $1 | cut -c2-)
		while [ ! -z "$opt" ]; do
			o=$(echo $opt | cut -c1)
			case "$o" in
			v) options="${options} version" ;;
			i) options="${options} distributor_id" ;;
			d) options="${options} description" ;;
			r) options="${options} release" ;;
			c) options="${options} codename" ;;
			a) options="version distributor_id description release codename" ;;
			s) short=1 ;;
			esac
			opt=$(echo $opt | cut -c2-)
		done
		;;
	esac
	shift
done

[ -z "$options" ] && options="version"

if [ "$short" -eq 1 ]; then
	space=""
	for opt in $options; do
		case "$opt" in
			version) printf "${space}${version}" ;;
			distributor_id) printf "${space}${distributor_id}" ;;
			description) printf "${space}\"${description}\"" ;;
			release) printf "${space}${release}" ;;
			codename) printf "${space}${codename}" ;;
		esac
		space=" "
	done
	printf "\n"
else
	for opt in $options; do
		case "$opt" in
			version) printf "LSB Version:\t${version}\n" ;;
			distributor_id) printf "Distributor ID:\t${distributor_id}\n" ;;
			description) printf "Description:\t${description}\n" ;;
			release) printf "Release:\t${release}\n" ;;
			codename) printf "Codename:\t${codename}\n" ;;
		esac
	done
fi

exit 0