anchor.diff:      owner = "hughsie";
       repo = "fwupd";
       rev = version;
  -    sha256 = "5779cf25d3cc645bac24e93c44d0db3b7bb4b620c3611587dfcb2152b271067a";
  +    sha256 = "59be5b458dc816822e01761ac34eb41bcc4de255d064847a64ae0f631d0b0dd7";
     };
   
     nativeBuildInputs = [
       gettext
  +    gobject-introspection
       meson
       ninja
       python3Packages.pygobject
  
positive.code: 
  , appstream-glib
  , cairo
  , efivar
  , elfutils
  , fontconfig
  
negative.code:   buildInputs = [
      appstream-glib
      cairo
      colord
      #efivar
      elfutils
      fontconfig
      freetype
      fwupdate
      gcab
      #gdk-pixbuf
      glib
      gnutls
      gpgme
      libarchive
      libgpg-error
      libgudev
      libgusb
      #libsmbios
      libsoup
      #libusb
      pango
      polkit
      sqlite
      #systemd_lib
      systemd-dummy
      util-linux_lib
    ];
  
    mesonFlags = [
      "-Dgtkdoc=false"
      "-Dtests=false"
    ];
  
    meta = with stdenv.lib; {
  