anchor.diff:      # required by vendored libdnf
       json_c
       zchunk
  -    libmodulemd_1
  +    libmodulemd
       utillinux # for smartcols.pc
       sqlite
       cppunit
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "rpm-ostree";
    version = "2020.1";
  
    outputs = [ "out" "dev" "man" "devdoc" ];
  
    src = fetchurl {
      url = "https://github.com/coreos/${pname}/releases/download/v${version}/${pname}-${version}.tar.xz";
      sha256 = "1xgfppq4fqqvg3cs327bckjpiz6rrn3bbbhg3q5p4j2bzsq89xiz";
    };
  
    nativeBuildInputs = [
  
negative.code: , python
  , json_c
  , zchunk
  , libmodulemd
  , utillinux
  , sqlite
  , cppunit
  