{ makeWrapper
, nixosTests
, symlinkJoin

, extraPythonPackages ? (ps: [ ])

, libsForQt5
}:
let
  qgis-unwrapped = libsForQt5.callPackage ./unwrapped.nix {  };
in symlinkJoin rec {

  inherit (qgis-unwrapped) version;
  name = "qgis-${version}";

  paths = [ qgis-unwrapped ];

  nativeBuildInputs = [
    makeWrapper
    qgis-unwrapped.py.pkgs.wrapPython
  ];

  # extend to add to the python environment of QGIS without rebuilding QGIS application.
  pythonInputs = qgis-unwrapped.pythonBuildInputs ++ (extraPythonPackages qgis-unwrapped.py.pkgs);

  postBuild = ''
    buildPythonPath "$pythonInputs"

    for program in $out/bin/*; do
      wrapProgram $program \
        --prefix PATH : $program_PATH \
        --set PYTHONPATH $program_PYTHONPATH
    done
  '';

  passthru = {
    unwrapped = qgis-unwrapped;
    tests.qgis = nixosTests.qgis;
  };

  meta = qgis-unwrapped.meta;
}