flatnotes_version = $(let target,flatnotes,$(app_version))
DOCKER_CONTEXT_flatnotes = flatnotes-src/flatnotes-$(flatnotes_version)

.PHONY: prepare_flatnotes
prepare_flatnotes: flatnotes-src

flatnotes-src: flatnotes/version
	wget -O- https://github.com/dullage/flatnotes/archive/refs/tags/v$(flatnotes_version).tar.gz \
    	| gzip -d | tar -xf -
	rm -rf flatnotes-src
	mkdir flatnotes-src
	mv flatnotes-$(flatnotes_version) flatnotes-src

clean_flatnotes:
	rm -rf flatnotes-src flatnotes.tar flatnotes.tar.gz