blob: de8a7da1d04beefa2237258d085e19d27cbaea7c (
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#!/bin/sh
set -e
DEVICE=$1
if [ -z "${DEVICE}" ]; then
echo "Must specify the device which has been configured by the kernel."
exit 1
fi
if [ -e '/etc/resolv.conf' ]; then
echo "Not altering an existing /etc/resolv.conf"
echo "If DNS does not operate for local addresses, see"
echo "/run/net-*.conf"
exit 2
fi
if [ ! -e "/run/net-${DEVICE}.conf" ]; then
echo "/run/net-${DEVICE}.conf is missing - wrong interface specified?"
exit 3
fi
# shellcheck source=eth0
. /run/net-"${DEVICE}".conf
echo domain "${DNSDOMAIN}" > /etc/resolv.conf
echo nameserver "${IPV4DNS0}" >> /etc/resolv.conf
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