for ((i=${#source[@]}; i>0; i--)); do
  if [ "${source[${i}]}" = "http://us.download.nvidia.com/XFree86/Linux-x86_64/${pkgver}/NVIDIA-Linux-x86_64-${pkgver}-no-compat32.run" ]; then
    break;
  fi
done

source[${i}]="http://us.download.nvidia.com/XFree86/Linux-x86/${pkgver}/NVIDIA-Linux-x86-${pkgver}.run"
sha512sums[${i}]='0add713942bcdb639d19b5c36f5e0cea14f9e07490191d46dfeba0515ede7700fd8e9467ec531d38329fe1e76bf45905e70e0d440e7bc2dc79c1d767eab03338'
_pkg="NVIDIA-Linux-x86-${pkgver}"