anchor.diff: -{ stdenv, fetchurl, pkgconfig, atk, cairo, glib, gtk3, pango, vala
  -, libxml2, perl, gettext, gnome3, gobject-introspection, dbus, xvfb_run, shared-mime-info }:
  +{ stdenv, fetchurl, pkgconfig, atk, cairo, glib, gtk3, pango, fribidi, vala
  +, libxml2, perl, gettext, gnome3, gobject-introspection, dbus, xvfb_run, shared-mime-info
  +, meson, ninja }:
   
   stdenv.mkDerivation rec {
     pname = "gtksourceview";
  -  version = "4.2.0";
  +  version = "4.4.0";
   
     src = fetchurl {
       url = "mirror://gnome/sources/gtksourceview/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
  -    sha256 = "0xgnjj7jd56wbl99s76sa1vjq9bkz4mdsxwgwlcphg689liyncf4";
  +    sha256 = "16k8kqw9w775f1ijsk898hp210an5mv4yfyrmik9m8khxx593nwx";
     };
   
     propagatedBuildInputs = [
  
positive.code: 
    outputs = [ "out" "dev" ];
  
    nativeBuildInputs = [ pkgconfig gettext perl gobject-introspection vala ];
  
    checkInputs = [ xvfb_run dbus ];
  
    buildInputs = [ atk cairo glib pango libxml2 ];
  
    patches = [ ./4.x-nix_share_path.patch ];
  
  
negative.code: 
    doCheck = stdenv.isLinux;
    checkPhase = ''
      XDG_DATA_DIRS="$XDG_DATA_DIRS:${shared-mime-info}/share" \
      xvfb-run -s '-screen 0 800x600x24' dbus-run-session \
        --config-file=${dbus.daemon}/share/dbus-1/session.conf \
        meson test --no-rebuild --print-errorlogs
    '';
  
    passthru = {
  