anchor.diff:  
     libnetwork = buildFromGitHub {
       version = 3;
  -    rev = "e85aeedbc643caeece25b50789e7e56e4e2fcb0a";
  +    rev = "66b06bad43ad19bb787027b734700a9666f0063f";
       owner = "docker";
       repo = "libnetwork";
  -    sha256 = "0dnwmihwpizpdgsjwnrzm1yly1iycx6f9g40zg9cjjafcm4wrghw";
  -    date = "2017-08-01";
  +    sha256 = "02hsbw6ha3ifk3mb2kr73hxglq3pz6qfhmn4iky0ddir8mbxp3qb";
  +    date = "2017-08-02";
       subPackages = [
         "datastore"
         "discoverapi"
  
positive.code:     version = 3;
      owner = "cheggaaa";
      repo = "pb";
      date = "2017-05-08";
      rev = "f6ccf2184de4dd34495277e38dc19b6e7fbe0ea2";
      sha256 = "19hp12sfnrir41yn5fcja85blhfncf1x7y4b2cz9zmp34468q5kr";
      propagatedBuildInputs = [
        go-runewidth
      ];
  
negative.code:     version = 3;
      owner = "moby";
      repo = "moby";
      rev = "f577caff19d486d8d01443507d891cb1b0891cdc";
      date = "2017-08-02";
      sha256 = "1xhm9n2nvkai9nzlfhv6cwf1rwx659hc6pwyy13hnrdnx2kkkgrf";
      goPackageAliases = [
        "github.com/docker/docker"
      ];
  