anchor.diff:  { stdenv, fetchurl, gnugrep, findutils }:
  +
   let
  -  version = "3ubuntu1"; # Saucy
  -in
  -stdenv.mkDerivation {
  +  version = "22-1.1ubuntu1"; # Zesty
  +
  +in stdenv.mkDerivation {
     name = "kmod-blacklist-${version}";
   
     src = fetchurl {
  -    url = "https://launchpad.net/ubuntu/+archive/primary/+files/kmod_9-${version}.debian.tar.gz";
  -    sha256 = "0h6h0zw2490iqj9xa2sz4309jyfmcc50jdvkhxa1nw90npxglp67";
  +    url = "https://launchpad.net/ubuntu/+archive/primary/+files/kmod_${version}.debian.tar.xz";
  +    sha256 = "1k749g707ccb82l4xmrkp53khl71f57cpj9fzd1qyzrz147fjyhi";
     };
   
     installPhase = ''
  
positive.code:     done
  
      substituteInPlace "$out"/modprobe.conf \
        --replace /sbin/lsmod /run/booted-system/sw/bin/lsmod \
        --replace /sbin/rmmod /run/booted-system/sw/bin/rmmod \
        --replace /sbin/modprobe /run/booted-system/sw/bin/modprobe \
  
negative.code:       --replace " xargs " " ${findutils}/bin/xargs "
    '';
  
    meta = with stdenv.lib; {
      homepage = http://packages.ubuntu.com/source/zesty/kmod;
      description = "Linux kernel module blacklists from Ubuntu";
      platforms = platforms.linux;
    };
  }
  