anchor.diff:      version = 2;
       owner = "pkg";
       repo = "sftp";
  -    rev = "e59687e8fa2ed36b4c997df28621fb8720ffc767";
  -    date = "2017-01-07";
  -    sha256 = "14qwzlxbih79399zyamnw0ai0b7h6rjvb3wm0knmk2hr0wmh2vjf";
  +    rev = "f37534d398f7c9117a0604dcd0be60a0208aa155";
  +    date = "2017-01-13";
  +    sha256 = "1am6c3h3djak3ibfkjccy58a9qkbmif3pyispq134gq6g5m4582l";
       propagatedBuildInputs = [
         crypto
         errors
  
positive.code:     version = 2;
      owner = "ncw";
      repo = "rclone";
      rev = "1b2dda8c4cfeba86d72236ec51c29d873d17aa16";
      sha256 = "0jfffh3rrsbpvdk4m0bwjavkx3qzipzh0wdc12cqafccik7nxscp";
      propagatedBuildInputs = [
        aws-sdk-go
        cobra
  
negative.code:       testify
      ];
      meta.useUnstable = true;
      date = "2017-01-12";
    };
  
    cupcake_rdb = buildFromGitHub {
  