anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "libguestfs";
  -  version = "1.44.1";
  +  version = "1.46.2";
   
     src = fetchurl {
       url = "https://libguestfs.org/download/${lib.versions.majorMinor version}-stable/${pname}-${version}.tar.gz";
  -    sha256 = "09dhmlbfdwirlmkasa28x69vqs5xndq0lnng6b4if76s6bfxrdvj";
  +    sha256 = "0sq092irlj2jf64m7hjx23hn5k4iypqxmlyn9g2z0q0xab56ksp6";
     };
   
     strictDeps = true;
  
positive.code:     ++ (with ocamlPackages; [ ocaml findlib ]);
    buildInputs = [
      ncurses jansson
      pcre augeas libxml2 acl libcap libcap_ng libconfig
      systemd fuse yajl libvirt gmp readline file hivex db
      numactl libapparmor perlPackages.ModuleBuild
      libtirpc
  
negative.code:   ] ++ lib.optionals (!javaSupport) [ "--without-java" ];
    patches = [
      ./libguestfs-syms.patch
    ];
    installFlags = [ "REALLY_INSTALL=yes" ];
    enableParallelBuilding = true;
  
  