anchor.diff:  
     mesonFlags = [
       "-Dman=false"
  -    "-Dtests=false"
       "-Dgtkdoc=false"
       "-Dbootdir=/boot"
       "-Dudevdir=lib/udev"
  
positive.code: { stdenv, fetchurl, gtk_doc, pkgconfig, gobjectIntrospection, intltool
  , libgudev, polkit, appstream-glib, gusb, sqlite, libarchive, glib_networking
  , libsoup, docbook2x, gpgme, libxslt, elfutils, libsmbios, efivar, glibcLocales
  , fwupdate, libyaml, valgrind, meson, libuuid, pygobject3, colord
  , pillow, ninja, gcab, gnutls, python3Packages, wrapGAppsHook, json_glib
  , shared_mime_info
  }:
  let
    version = "1.0.4";
  
negative.code:     "--localstatedir=/var"
    ];
  
    postInstall = ''
      moveToOutput share/installed-tests "$installedTests"
    '';
  
    enableParallelBuilding = true;
    meta = with stdenv.lib; {
      homepage = https://fwupd.org/;
      maintainers = with maintainers; [];
      license = [ licenses.gpl2 ];
      platforms = platforms.linux;
    };
  }
  