#!/bin/sh

if ! [ $# -eq 1 ]; then
	echo "This script sets two env vars: UIDNO and GIGNO."
	echo "Usage: $(basename $0) symbolic-username"
	exit 1
fi

USER=$1
ENT=$(getent passwd | grep $USER)

if [ "x$ENT" = "x" ]; then
	echo "Unknown user \"$USER\""
	exit 1
fi

ENT=$(echo $ENT | sed -e "s/$USER:x://" -e 's/::.*//')

export UIDNO=$(echo $ENT | sed -e "s/:.*//")
export GIDNO=$(echo $ENT | sed -e "s/.*://")