anchor.diff:    };
   
     doCheck = true;
  -  buildInputs = with emacsPackages; [ s dash f ansi ecukes servant ert-runner el-mock
  -                                      noflet ert-async shell-split-string git package-build ];
  +  buildInputs = with emacsPackagesNg; [
  +    s f dash ansi ecukes servant ert-runner el-mock
  +    noflet ert-async shell-split-string git package-build
  +  ];
     buildPhase = ''
       emacs --batch -L . -f batch-byte-compile cask.el cask-cli.el
     '';
  
positive.code: { stdenv, fetchurl, python, emacsPackages }:
  
  stdenv.mkDerivation rec {
    name = "cask-${version}";
  
negative.code:     maintainers = [ maintainers.flexw ];
    };
  
    nativeBuildInputs = [ emacsPackagesNg.emacs python ];
  }
  