anchor.diff:      sha256 = "1pa6k3gx940ap3r96xdry6apzkm0ymqra92b2mrp25b25264cqcy";
     };
   
  -  buildInputs = [ makeWrapper go sqlite lxc iproute bridge_utils devicemapper btrfsProgs iptables ];
  +  buildInputs = [ makeWrapper go sqlite lxc iproute bridge_utils devicemapper btrfsProgs iptables e2fsprogs];
   
     dontStrip = true;
   
  
positive.code:   installPhase = ''
      install -Dm755 ./bundles/${version}/dynbinary/docker-${version} $out/bin/docker
      install -Dm755 ./bundles/${version}/dynbinary/dockerinit-${version} $out/bin/dockerinit
      wrapProgram $out/bin/docker --prefix PATH : "${iproute}/sbin:sbin:${lxc}/bin:${iptables}/sbin"
  
      # systemd
      install -Dm644 ./contrib/init/systemd/docker.service $out/etc/systemd/system/docker.service
  
negative.code: { stdenv, fetchurl, makeWrapper, go, lxc, sqlite, iproute, bridge_utils, devicemapper,
  btrfsProgs, iptables, bash, e2fsprogs}:
  
  stdenv.mkDerivation rec {
    name = "docker-${version}";
  