#! /bin/bash
set -ex

# builds the audio overlay _inside_ the image.

if [ ! -s /tmp/toesaudio.dts ]; then
	echo "missing /tmp/toesaudio.dts" >&2
	exit 1
fi

mkdir -p /boot/firmware/overlays
dtc -@ -I dts -O dtb -o \
	"/boot/firmware/overlays/toesaudio.dtbo" \
	"/tmp/toesaudio.dts"

if [ ! -s /boot/firmware/overlays/toesaudio.dtbo ]; then
	echo "failed to build /boot/firmware/overlays/toesaudio.dtbo" >&2
	exit 1
fi