#!/bin/sh

destunitdir=${1:-/tmp}

# Do nothing if target is disabled
[ -e /etc/systemd/system/multi-user.target.wants/choparp.target ] || exit 0

[ -f /etc/sysconfig/choparp ] && . /etc/sysconfig/choparp

if [ -d $destunitdir/choparp.target.wants ]; then
	rm -f $destunitdir/choparp.target.wants/choparp@*.service
else
	mkdir -p $destunitdir/choparp.target.wants
fi

for iface in $INTERFACES; do
	[ -L $destunitdir/choparp.target.wants/choparp@$iface.service ] && \
		continue
	ln -s /lib/systemd/system/choparp@.service \
		$destunitdir/choparp.target.wants/choparp@$iface.service
done