anchor.diff:      owner  = "jstemmer";
       repo   = "gotags";
       sha256 = "071wyq90b06xlb3bb0l4qjz1gf4nnci4bcngiddfcxf2l41w1vja";
  +  };
  +
  +  goskiplist = buildFromGitHub {
  +    rev = "2dfbae5fcf46374f166f8969cb07e167f1be6273";
  +    owner  = "ryszard";
  +    repo   = "goskiplist";
  +    sha256 = "1dr6n2w5ikdddq9c1fwqnc0m383p73h2hd04302cfgxqbnymabzq";
  +    date = "2015-03-12";
     };
   
     gosnappy = buildFromGitHub {
  
positive.code:   };
  
    codegangsta-cli = buildFromGitHub {
      rev = "v1.15.0";
      owner = "codegangsta";
      repo = "cli";
      sha256 = "0y2bxyl9hvg8agwvd6c2825wwzbkdjgqa4bhl8a5aigzlnz455xy";
      buildInputs = [ yaml-v2 ];
    };
  
  
negative.code:   };
  
    cli-go = buildFromGitHub {
      rev = "v1.16.0";
      owner  = "codegangsta";
      repo   = "cli";
      sha256 = "1m3m0znsc63cgsxhrq1krbh8f4z06632xyvv5zhq53d7r8wdlk8w";
    };
  
    columnize = buildFromGitHub {
  