#!/bin/sh

INTERFACE=$1

echo Configuring IP address for $INTERFACE using DHCP
dhcpcd $INTERFACE &
for i in 0 1 2 3 4 5 6 7; do
    sleep 1
    if [ -f /etc/dhcpc/dhcpcd-$INTERFACE.info ]; then
        break
    else
        echo Waiting for DHCP grant on $INTERFACE
    fi
done

. /etc/dhcpc/dhcpcd-$INTERFACE.info

echo DHCP granted IP address $IPADDR for $INTERFACE