TEX:=pdflatex

.PHONY: clean clobber images

git.pdf: git.tex preamble.fmt
	$(TEX) $< 
	grep -q "rerunfilecheck Warning:.*$(basename $<).out" $(basename $<).log &&\
		$(TEX) $< || true

preamble.fmt: preamble.tex vc.tex
	$(TEX) -ini -jobname="$(basename $@)" "&$(TEX) $<\dump"

images:
	wget -qO- http://www.androidworld.it/wp-content/uploads/2014/02/linus-torvalds-getty-final.jpg\
		| convert -resize 10\% - - > 1.png
	wget -qO2.png http://blog.osteele.com/images/2008/git-transport.png

vc.tex: .git/logs/HEAD
	git log -1 --format="format:\\gdef\\GITAbrHash{%H}" > $@

clean:
	$(RM) -v $(addprefix *.,vrb eps aux fmt bbl blg dvi log out toc nav snm) vc.tex

clobber: clean
	$(RM) -v *.pdf $(addsuffix .png,1 2)