DEVICE=root@biscuit.lan
# NFLAGS=-I nixpkgs=../nixpkgs

.PHONY: toplevel android-bootimg default update android-recovery

default toplevel:
	nix-build $(NFLAGS) -A outputs.$@ -o $@

android-bootimg android-recovery:
	nix-build  $(NFLAGS) -A outputs.android.$@ -o $@

update: toplevel
	nix-copy-closure --to $(DEVICE) -v --include-outputs ./toplevel
	ssh $(DEVICE) "nix-env --profile /nix/var/nix/profiles/system --set `readlink toplevel`  && /nix/var/nix/profiles/system/bin/switch-to-configuration switch"

update-boot: update android-bootimg
	cat android-bootimg | ssh $(DEVICE) "cat >/boot/boot.img"

boot-in-system.img: android-bootimg
	dd if=/dev/zero of=$@ bs=1M count=50
	mkdir -p boot-in-system
	-rm -f boot-in-system/boot.img
	(cd boot-in-system && cp ../android-bootimg ./boot.img)
	mke2fs -d boot-in-system boot-in-system.img


flash: default boot-in-system.img
	fastboot flash system boot-in-system.img
	fastboot flash userdata default/system.img