anchor.diff:    };
   
     lxd = buildFromGitHub {
  -    rev = "lxd-2.0.3";
  +    rev = "lxd-2.0.4";
       owner  = "lxc";
       repo   = "lxd";
  -    sha256 = "0mizbgv3a982c6h53577drmhv3p7g98fw18p5jmfx4pakbpnj9rh";
  +    sha256 = "13gds9klk6rmvc9858kcblkp78v4dmnm3w0q0860p6skisq90mpg";
       excludedPackages = "test"; # Don't build the binary called test which causes conflicts
       buildInputs = [
         crypto
  
positive.code:   };
  
    go-multiaddr = buildFromGitHub {
      rev = "f3dff105e44513821be8fbe91c89ef15eff1b4d4";
      date = "2016-05-09";
      owner  = "jbenet";
      repo   = "go-multiaddr";
      sha256 = "0qdma38d4bmib063hh899h2491kgzgg16kgqdvypncchawq8nqlj";
      propagatedBuildInputs = [
        go-multihash
      ];
  
negative.code:   };
  
    pkg = buildFromGitHub rec {
      date = "2016-07-27";
      owner  = "coreos";
      repo   = "pkg";
      rev = "3ac0863d7acf3bc44daf49afef8919af12f704ef";
      sha256 = "0j3wd6an5dcrih5qrma502nfk4xa5bm0db04zkqbxchgx5d2wl0w";
      buildInputs = [
        crypto
        yaml-v1
  