anchor.diff:      rev = "v1.10.3";
       owner = "docker";
       repo = "docker";
  -    sha256 = "04419gkvaxl7w016dc2qhp03zrjaqcrd5i48xm8dzpp5406q9mfx";
  +    sha256 = "84d02cdf630d8d6627a398699f8fbc9d9751bf26a5e37cbb307c246f403e11f3";
       subPackages = [ "pkg/mount" "pkg/system" "pkg/symlink" "pkg/term" ];
       propagatedBuildInputs = [ go-units ];
     };
  
positive.code:     rev = "v2.3.1";
      owner  = "coreos";
      repo   = "etcd";
      sha256 = "1zfwx2mb2kmavzv286jaiwfmksh0hha4dnjmh2g3y86iipapbhry";
    };
  
    etcd-client = buildFromGitHub {
  
negative.code:     rev = "v0.12.18";
      owner  = "syncthing";
      repo   = "relaysrv";
      sha256 = "60cfbceef393ef1db126ab9d3653cad315779a745d3fc91072f4d1d356e9ef78";
      buildInputs = [ syncthing-lib du ratelimit net ];
      excludedPackages = "testutil";
    };
  