anchor.diff:    };
   
     go-lxc_v2 = buildFromGitHub {
  -    version = 1;
  -    rev = "f8a6938e600c634232eeef79dc04a1226f73a88b";
  +    version = 2;
  +    rev = "e5c87ebfb7f26603916aba2fbf1bb64b48c62455";
       owner  = "lxc";
       repo   = "go-lxc";
  -    sha256 = "0cgjrafdqlbysdw4pg384qy95czn4j08brz57nqlgdv68cc5pgvk";
  +    sha256 = "10ahb1jh3lxrpzrn6vqhfnd3xp8hixx89hnpy3l95526b306blix";
       goPackagePath = "gopkg.in/lxc/go-lxc.v2";
       buildInputs = [
         pkgs.lxc
       ];
  -    date = "2016-08-03";
  +    date = "2016-10-09";
     };
   
     go-lz4 = buildFromGitHub {
  
positive.code: 
    tools = buildFromGitHub {
      version = 2;
      rev = "03663480faa767e684bf17d7c45c65f79d7f5ef3";
      date = "2016-10-05";
      owner = "golang";
      repo = "tools";
      sha256 = "0a2byvj9580iam83w3fvcajayhh31dfkyr6yf1mgsklcl1ip19j4";
      goPackagePath = "golang.org/x/tools";
      goPackageAliases = [ "code.google.com/p/go.tools" ];
  
  
negative.code: 
    ipfs = buildFromGitHub {
      version = 2;
      date = "2016-10-10";
      rev = "edf2b52f7a15b1bf1224466b1366cba65adb4ecc";
      owner = "ipfs";
      repo = "go-ipfs";
      sha256 = "12y72v3cmfpx6i4pym327cbvi6ljq47bmy1hn4j5y31pv3s5yrh1";
      gxSha256 = "06kv7fsgkq83b3gr6ij77b8ascx3bk9fnhwjwmfif9m6sy7z4j2w";
      subPackages = [
        "cmd/ipfs"
        "cmd/ipfswatch"
  