#!/bin/bash

set -e

[ $# == 3 ]

upver="$2"
ver="8.1.${upver:2}"
pkg="pythia"
url="http://home.thep.lu.se/~torbjorn/pythia8"

rm -f "../${pkg}8_$upver.orig.tar.gz"

[ ! -f "../$pkg$upver.tgz" ] && \
        wget "$url/$pkg$upver.tgz" -O ../$pkg$upver.tgz

[ -d "$pkg$upver" ] && rm -rf "$pkg$upver"
tar xf "../$pkg$upver.tgz"

[ -d "${pkg}8-$ver.orig" ] && rm -rf "${pkg}8-$ver.orig"

mv "$pkg$upver" "${pkg}8-$ver.orig"
rm -f "../${pkg}8_$ver.orig.tar.gz"
tar -zcf "../${pkg}8_$ver.orig.tar.gz" "${pkg}8-$ver.orig"

rm -rf "${pkg}8-$ver.orig"
