#!/bin/sh -e
# Copy all relevant networking-related files to /target.

if [ ! -f /etc/network/interfaces ] && [ ! -f /etc/netplan/*.yaml ]; then
	netcfg write_loopback
fi

for file in /etc/network/interfaces /etc/networks /etc/hostname /etc/hosts /etc/netplan/*.yaml; do
	if [ -f "$file" ]; then
		mkdir /target/$(dirname $file) -p
		cp $file /target/$file
	fi
done

if [ -f /etc/resolv.conf ]; then
	if [ -e /target/sbin/resolvconf ]; then
		if [ -d /target/run/resolvconf ]; then
			# resolvconf won't be running during installation,
			# so make sure that we at least have basic
			# configuration in place.  If there's anything
			# complicated that needs to persist, netcfg will
			# have written that to /etc/network/interfaces.
			cp /etc/resolv.conf /target/run/resolvconf/resolv.conf
		fi
	else
		mkdir -p /target/etc
		cp /etc/resolv.conf /target/etc/resolv.conf
	fi
fi