#!/bin/bash

set -e

[ $# == 3 ]

url="http://lcgapp.cern.ch/project/simu/HepMC/download"
ver="$2"

pkgdir="hepmc-$ver.orig"
pkg="hepmc_$ver.orig.tar.gz"

uppkgdir="HepMC-$ver"
uppkg="HepMC-$ver.tar.gz"

[ ! -f "../$uppkg" ] && wget "$url/$uppkg" -O "../$uppkg"

[ -d "$uppkgdir" ] && rm -rf "$uppkgdir"
tar xf "../$uppkg"

rm -rf "$uppkgdir/autom4te.cache"

[ -d "$pkgdir" ] && rm -rf "$pkgdir"

mv "$uppkgdir" "$pkgdir"
rm -f "../$pkg"
tar -zcf "../$pkg" "$pkgdir"

rm -rf "$pkgdir"
