anchor.diff:  
     go-oidc = buildFromGitHub {
       version = 3;
  -    date = "2017-06-16";
  -    rev = "d68c0e2fef598f5bbf15edd34905f4bf551a54ec";
  +    date = "2017-07-11";
  +    rev = "a4973d9a4225417aecf5d450a9522f00c1f7130f";
       owner  = "coreos";
       repo   = "go-oidc";
  -    sha256 = "1wc8kq9q1f0b30850c1hpwxlrfyb987gwbckxkxcmngvz6hsvjgz";
  +    sha256 = "1kln6hlc9hkspmwr7fjlh7ajzwzrnqwgvdc5mybmcs82ayy0xf1s";
       propagatedBuildInputs = [
         cachecontrol
         clockwork
  
positive.code:     version = 3;
      owner = "spf13";
      repo = "cobra";
      rev = "8c6fa02d2225de0f9bdcb7ca912556f68d172d8c";
      date = "2017-06-29";
      sha256 = "0amvz86jnwx9d1pxpxcmsrwmqypygjhan788z8b4y5mb3nrc09ya";
      buildInputs = [
        go-homedir
        mousetrap
  
negative.code:   };
  
    go-libp2p-transport = buildFromGitHub {
      version = 3;
      owner = "libp2p";
      repo = "go-libp2p-transport";
      date = "2017-07-11";
      rev = "1275f6d9b4355ca72bd7c8590c02ab0e043421fd";
      sha256 = "15lydxvzkyfzkckhwqfz215zmhymn4w2wkj2rzk54g9d9bdnggwz";
      propagatedBuildInputs = [
        go-log
        go-multiaddr
  