XKCD_FILES = $(shell bin/xkcd-filenames)

main.pdf: main.latex $(XKCD_FILES)
	pdflatex -output-directory="./" main.latex

with-notes.pdf: with-notes.latex
	pdflatex -output-directory="./" with-notes.latex

with-notes.latex: main.latex $(XKCD_FILES)
	sed 's/\%showNotes\%//' main.latex > with-notes.latex

clean:
	rm *.aux *.log *.out *.toc *.nav *.snm *.pdf
	rm with-notes.latex

auto-images/auto-xkcd-%.png:
	mkdir -p auto-images
	curl https://xkcd.com/$*/info.0.json 2> /dev/null | jq '.img' | sed 's/.png/_2x.png/g' | xargs curl -s -o $@

clean-images:
	rm -rf auto-images/

clean-all: clean clean-images