backintime: fix backintime-qt_polkit

{ mkDerivation, backintime-common, python3 }:

{ lib, mkDerivation, backintime-common, python3, polkit, which, su, coreutils, util-linux }:

let

  python' = python3.withPackages (ps: with ps; [ pyqt5 backintime-common packaging ]);

  preFixup = ''

    wrapQtApp "$out/bin/backintime-qt" \

      --prefix PATH : "${backintime-common}/bin:$PATH"

      --prefix PATH : "${lib.getBin backintime-common}/bin:$PATH"

    substituteInPlace "$out/share/polkit-1/actions/net.launchpad.backintime.policy" \

      --replace "/usr/bin/backintime-qt" "$out/bin/backintime-qt"

    substituteInPlace "$out/share/applications/backintime-qt-root.desktop" \

      --replace "/usr/bin/backintime-qt" "backintime-qt"

    substituteInPlace "$out/share/backintime/qt/serviceHelper.py" \

      --replace "'which'" "'${lib.getBin which}/bin/which'" \

      --replace "/bin/su" "${lib.getBin su}/bin/su" \

      --replace "/usr/bin/backintime" "${lib.getBin backintime-common}/bin/backintime" \

      --replace "/usr/bin/nice" "${lib.getBin coreutils}/bin/nice" \

      --replace "/usr/bin/ionice" "${lib.getBin util-linux}/bin/ionice"

    substituteInPlace "$out/share/dbus-1/system-services/net.launchpad.backintime.serviceHelper.service" \

      --replace "/usr/bin/python3" "${lib.getBin python'}/bin/python3" \

      --replace "/usr/share/backintime" "$out/share/backintime"

    substituteInPlace "$out/bin/backintime-qt_polkit" \

      --replace "/usr/bin/backintime-qt" "$out/bin/backintime-qt"

    wrapProgram "$out/bin/backintime-qt_polkit" \

      --prefix PATH : "${lib.getBin polkit}/bin:$PATH"

  '';

}