#!/bin/sh

[ -f fitch.sty ] &&  rm fitch.sty

wget 'http://folk.uio.no/johanw/fitch.sty' -O fitch.sty >/dev/null 2>/dev/null

if [ $? = 0 ]; then
	[ -f unfetchable ] && rm unfetchable
	md5sum fitch.sty > new-sum
	touch sum
	if [ "$(cat sum)" = "$(cat new-sum)" ]; then
		rm new-sum
	else
		mv new-sum sum
		echo 'latex-fitch' '('"$(cat sum)"')'
	fi
elif [ ! -f unfetchable ]; then
	touch unfetchable
	echo 'latex-fitch (unfetchable)'
fi