anchor.diff:      sha256 = "160cspmq73bk6cvisa6kq1dwrrp1yqpkrpq8dl69wcnaf91cbnml";
     };
   
  +  go-ipfs-api = buildFromGitHub {
  +    date = "2016-01-28";
  +    rev = "9dad3443f4182b505425c2c2d0ce720f728e5167";
  +    owner  = "ipfs";
  +    repo   = "go-ipfs-api";
  +    sha256 = "0bjkss7gn9hc7v187lwv73p587330f640qnvxkz5jgga91zgcivy";
  +    excludedPackages = "tests";
  +    propagatedBuildInputs = [ go-multipart-files tar-utils ];
  +  };
  +
     go-isatty = buildFromGitHub {
       rev = "56b76bdf51f7708750eac80fa38b952bb9f32639";
       owner  = "mattn";
  
positive.code:     propagatedBuildInputs = [ crypto go-radix speakeasy go-isatty ];
    };
  
    cli-spinner = buildFromGitHub {
      rev    = "610063bb4aeef25f7645b3e6080456655ec0fb33";
      owner  = "odeke-em";
  
negative.code:     owner  = "fatih";
      repo   = "structs";
      sha256 = "0mhaqmsij9szy8wvn8lmq4644a1gmr0666yyxlw10kif1kyi9m80";
    };
  
    stump = buildFromGitHub {
      date = "2015-11-05";
      rev = "bdc01b1f13fc5bed17ffbf4e0ed7ea17fd220ee6";
      owner = "whyrusleeping";
      repo = "stump";
      sha256 = "010pgp6bd6dnl2cqg9nmxif30dgpaz07frhfk0hwl58yxv3a3vjh";
    };
  
    strutil = buildFromGitHub {
  