anchor.diff:  
   buildPythonPackage rec {
     pname = "meson-python";
  -  version = "0.6.0";
  +  version = "0.8.1";
     format = "pyproject";
   
     src = fetchPypi {
       inherit version;
       pname = "meson_python";
  -    hash = "sha256-/bX7s6ttdTav/+qPt9CYREb4t5vHCz+8mA5DvV81bfM=";
  +    hash = "sha256-RC8fpM9dtQ7qYRcKYFnBD6/XCXf12980QcEGzSOwXkw=";
     };
   
     nativeBuildInputs = [
  
positive.code:   ];
  
    propagatedBuildInputs = [
      colorama
      meson
      ninja
      pyproject-metadata
  
negative.code: 
    meta = {
      description = "Meson Python build backend (PEP 517)";
      homepage = "https://github.com/FFY00/meson-python";
      license = [ lib.licenses.mit ];
      maintainers = [ lib.maintainers.fridh ];
    };
  }
  