anchor.diff:      version = 2;
       owner = "influxdata";
       repo = "influxdb";
  -    rev = "v1.1.1";
  -    sha256 = "0c5jcwgniqd2yai7pxmsx968i52r9144f8zg8hh3bcl1m81xg6mb";
  +    rev = "v1.2.0";
  +    sha256 = "0xc784n8hm49pvghi8m749h68l1zrcw0lcrsi8d1vcwfv23k3p7j";
       propagatedBuildInputs = [
         bolt
         gollectd
  
positive.code: 
    yaml_v2 = buildFromGitHub {
      version = 2;
      rev = "a5b47d31c556af34a302ce5d659e6fea44d90de0";
      date = "2016-09-28";
      owner = "go-yaml";
      repo = "yaml";
      sha256 = "1aggcvz2pw5fn7mpw533iq448s1dzfmv6jg5mqi4vavzn351zjqf";
      goPackagePath = "gopkg.in/yaml.v2";
    };
  
  
negative.code:     version = 2;
      owner = "minio";
      repo = "mc";
      rev = "973dc13cc0d2e1bffc4a31e896720a37bd4c602a";
      sha256 = "0w6wfb5vm0hd52p4smqigk20fqf6hcnb0jjh8j9p555zsj72vklx";
      propagatedBuildInputs = [
        cli_minio
        color
  