anchor.diff:      (python3.withPackages (p: with p; [ pyyaml ])) gnome3.gjs # for tests
     ];
   
  -  prePatch = ''
  -    rmdir libglnx bsdiff
  -    cp --no-preserve=mode -r ${libglnx-src} libglnx
  -    cp --no-preserve=mode -r ${bsdiff-src} bsdiff
  -  '';
  -
  -
     preConfigure = ''
       env NOCONFIGURE=1 ./autogen.sh
     '';
  
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: { 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
  }:
  
  stdenv.mkDerivation rec {
    pname = "ostree";
    version = "2019.1";
  
    outputs = [ "out" "dev" "man" "installedTests" ];
  
    src = fetchurl {
      url = "https://github.com/ostreedev/ostree/releases/download/v${version}/libostree-${version}.tar.xz";
      sha256 = "08y7nsxl305dnlfak4kyj88lld848y4kg6bvjqngcxaqqvkk9xqm";
    };
  
    patches = [
  