all: sdcard.img

sdcard.img: buildroot/.config root_overlay/root/.ssh/authorized_keys
	make -C buildroot all
	cp buildroot/output/images/sdcard.img sdcard.img

root_overlay/root/.ssh/authorized_keys: ~/.ssh/id_rsa.pub
	cp ~/.ssh/id_rsa.pub root_overlay/root/.ssh/authorized_keys

buildroot/.config: config
	ln -sf ../config buildroot/.config

clean:
	make -C buildroot clean
	rm -f sdcard.img
	rm -f root_overlay/root/.ssh/authorized_keys
	rm -f root_overlay/bin/poll_desfire
	rm -f root_overlay/bin/test.py

menuconfig:
	make -C buildroot menuconfig

.PHONY: all clean sdcard.img menuconfig