anchor.diff:  
     meta = with lib; {
       homepage = "https://upower.freedesktop.org/";
  +    changelog = "https://gitlab.freedesktop.org/upower/upower/-/blob/v${version}/NEWS";
       description = "A D-Bus service for power management";
  +    maintainers = teams.freedesktop.members;
       platforms = platforms.linux;
       license = licenses.gpl2Plus;
     };
  
positive.code:     owner = "upower";
      repo = "upower";
      rev = "v${version}";
      sha256 = "sha256-GlLy2MPip21KOabdW8Vw6NVe3xhzsd9htxQ2xO/hZ/4=";
    };
  
    nativeBuildInputs = [
  
negative.code: , ninja
  , python3
  , gtk-doc
  , docbook-xsl-nons
  , udev
  , libgudev
  , libusb1
  