anchor.diff:    mesonFlags = [
       "-Dman=false"
       "-Dplugin_dummy=true"
  -    "-Dgtkdoc=false"
       "-Dbootdir=/boot"
       "-Dudevdir=lib/udev"
       "-Dsystemdunitdir=lib/systemd/system"
  
positive.code:     sha256 = "1n4d6fw3ffg051072hbxn106s52x2wlh5dh2kxwdfjsb5kh03ra3";
    };
  
    outputs = [ "out" "installedTests" ];
  
    nativeBuildInputs = [
      meson ninja gtk_doc pkgconfig gobjectIntrospection intltool glibcLocales shared_mime_info
      valgrind gcab docbook2x libxslt python wrapGAppsHook
    ];
    buildInputs = [
      polkit appstream-glib gusb sqlite libarchive libsoup elfutils libsmbios fwupdate libyaml
  
negative.code: { stdenv, fetchurl, fetchpatch, 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, colord, docbook_xml_dtd_43, docbook_xsl
  , ninja, gcab, gnutls, python3, wrapGAppsHook, json_glib
  , shared_mime_info, umockdev
  }:
  