anchor.diff:      ];
     };
   
  -  iter = buildFromGitHub {
  -    version = 1;
  -    rev = "454541ec3da2a73fc34fd049b19ee5777bf19345";
  -    owner  = "bradfitz";
  -    repo   = "iter";
  -    sha256 = "0sv6rwr05v219j5vbwamfvpp1dcavci0nwr3a2fgxx98pjw7hgry";
  -    date = "2014-01-23";
  -  };
  -
     ipfs = buildFromGitHub {
       version = 3;
       rev = "v0.4.9";
  
positive.code:       go-connections
        go-units
        gotty
        logrus
        net
        pflag
      ];
    };
  
  
negative.code:     ];
    };
  
    image-spec = buildFromGitHub {
      version = 3;
      rev = "5ebcc54f1725d37e8a8dbdebe1931df46d486736";
      owner  = "opencontainers";
      repo   = "image-spec";
      sha256 = "1g2frm24i6qab52bxbrmgn334j4v5jid0zk3byagjm00qsp3fkw3";
      date = "2017-05-19";
      propagatedBuildInputs = [
        errors
        go4
        go-digest
        gojsonschema
      ];
    };
  
    inf_v0 = buildFromGitHub {
      version = 1;
      rev = "v0.9.0";
  