anchor.diff: -{ stdenv, fetchFromGitHub, fetchpatch, pkgconfig, gtk-doc, gobject-introspection, gnome3
  +{ stdenv, fetchurl, fetchpatch, pkgconfig, gtk-doc, gobject-introspection, gnome3
   , glib, systemd, xz, e2fsprogs, libsoup, gpgme, which, autoconf, automake, libtool, fuse, utillinuxMinimal, libselinux
   , libarchive, libcap, bzip2, yacc, libxslt, docbook_xsl, docbook_xml_dtd_42, python3
   }:
   
  -let
  -  version = "2018.9";
  -
  -  libglnx-src = fetchFromGitHub {
  -    owner = "GNOME";
  -    repo = "libglnx";
  -    rev = "470af8763ff7b99bec950a6ae0a957c1dcfc8edd";
  -    sha256 = "1fwik38i6w3r6pn4qkizradcqp1m83n7ljh9jg0y3p3kvrbfxh15";
  -  };
  -
  -  bsdiff-src = fetchFromGitHub {
  -    owner = "mendsley";
  -    repo = "bsdiff";
  -    rev = "1edf9f656850c0c64dae260960fabd8249ea9c60";
  -    sha256 = "1h71d2h2d3anp4msvpaff445rnzdxii3id2yglqk7af9i43kdsn1";
  -  };
  -in stdenv.mkDerivation {
  -  name = "ostree-${version}";
  +stdenv.mkDerivation rec {
  +  pname = "ostree";
  +  version = "2019.1";
   
     outputs = [ "out" "dev" "man" "installedTests" ];
   
  -  src = fetchFromGitHub {
  -    rev = "v${version}";
  -    owner = "ostreedev";
  -    repo = "ostree";
  -    sha256 = "0a8gr4qqxcvz3fqv9w4dxy6iq0rq4kdzf08rzv8xg4gic3ldgyvj";
  +  src = fetchurl {
  +    url = "https://github.com/ostreedev/ostree/releases/download/v${version}/libostree-${version}.tar.xz";
  +    sha256 = "08y7nsxl305dnlfak4kyj88lld848y4kg6bvjqngcxaqqvkk9xqm";
     };
   
     patches = [
  
positive.code:   enableParallelBuilding = true;
  
    configureFlags = [
      "--with-systemdsystemunitdir=$(out)/lib/systemd/system"
      "--with-systemdsystemgeneratordir=$(out)/lib/systemd/system-generators"
      "--enable-installed-tests"
    ];
  
    makeFlags = [
      "installed_testdir=$(installedTests)/libexec/installed-tests/libostree"
      "installed_test_metadir=$(installedTests)/share/installed-tests/libostree"
    ];
  
  
    meta = with stdenv.lib; {
      description = "Git for operating system binaries";
  
negative.code:     (python3.withPackages (p: with p; [ pyyaml ])) gnome3.gjs # for tests
    ];
  
    preConfigure = ''
      env NOCONFIGURE=1 ./autogen.sh
    '';
  