SHELL:=/bin/bash
TEX:=pdflatex

.PHONY: clean clobber

git.pdf: git.tex preamble.fmt 1.png 2.png
	$(TEX) $< 
	$(TEX) $< 

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

1.png:
	wget -qO- http://www.androidworld.it/wp-content/uploads/2014/02/linus-torvalds-getty-final.jpg\
		| convert -resize 10\% - $@

2.png:
	wget -qO$@ 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 *.{vrb,eps,aux,fmt,bbl,blg,dvi,log,out,toc,nav,snm} vc.tex

clobber: clean
	$(RM) -v *.{png,pdf}