anchor.diff:  
     go-ipfs-api = buildFromGitHub {
       version = 6;
  -    rev = "fcd896f643ed255d10c2d694df5c09f5c1c2032e";
  +    rev = "7accab16d0ec37feaa6cbe6bee83b8cfcd8cb11e";
       owner  = "ipfs";
       repo   = "go-ipfs-api";
  -    sha256 = "X1V3U4HUru7Pl9USiA161yPD+KsuE4my7U9gyrg3xvI=";
  +    sha256 = "019nqfniy62nwnqckcjq4l33rjizdpm7d6nqkv44fgr3j7l5fi7f";
       excludedPackages = "tests";
       propagatedBuildInputs = [
         go-homedir
  
positive.code:     version = 6;
      owner = "minio";
      repo = "minio";
      rev = "1d6ce115da508e003adc447e06fd8b0aeebde106";
      sha256 = "+fSvFRkbsQjgAXkX9r0dIuo8tcjUoA+O3sBO3j3V0Uk=";
      propagatedBuildInputs = [
        aliyun-oss-go-sdk
        amqp
  
negative.code: 
    getopt = buildFromGitHub {
      version = 6;
      rev = "754a1a66e907eb51efa06dfc934fb89a8da510fa";
      owner = "pborman";
      repo = "getopt";
      sha256 = "0vwcyln2npdwcylxbr91ihm6nc861v7ra5c4wjivlsn4bzhgdq8q";
      date = "2018-07-27";
    };
  
    gettext = buildFromGitHub {
  