#!/bin/sh

if [ $# \< 2 -o $# \> 3 ]; then
	echo "Usage: userforward {account} {forward@address.somewhere} [force]"
	exit 1
fi

uid=$1
addr=$2
force=$3

set -e

homedir=`getent passwd $uid | awk -F: '{print $6}';`

if [ -e $homedir/.forward -a "x$force" != "xforce" ]; then
	echo "User \"$uid\" already has a .forward - (add \"force\" to overwrite...)"
	exit 1
fi

if [ -d $homedir ]; then
	touch $homedir/.forward
	echo "echo $addr>$homedir/.forward"
	echo $addr>$homedir/.forward
	chown $uid. $homedir/.forward
	echo "Done!"
else
	echo "Problem with user \"$uid\": Homedir \"$homedir\" doesn't exist - exiting..."
	exit 1
fi