anchor.diff:      sha256 = "05q47jdgbi5jz01280msb8gxnbsrgf2jvglfm6k40f1xw4wxkrzy";
     };
   
  +  cargoSha256 = "1ax5dv200v8mfx0418bx8sbwpbp6zj469xg75hp78kqfiv83pn1g";
  +
     nativeBuildInputs = [
  -    meson ninja pkgconfig gettext cargo rustc python3 wrapGAppsHook
  +    cargo
  +    gettext
  +    meson
  +    ninja
  +    pkgconfig
  +    python3
  +    rustc
  +    wrapGAppsHook
     ];
  +
     buildInputs = [
  -    glib gtk3 libhandy dbus openssl sqlite gst_all_1.gstreamer gst_all_1.gst-plugins-base gst_all_1.gst-plugins-bad
  -    gtksourceview hicolor-icon-theme libsecret
  +    dbus
  +    glib
  +    gst_all_1.gst-plugins-bad
  +    gst_all_1.gst-plugins-base
  +    gst_all_1.gstreamer
  +    gtk3
  +    gtksourceview
  +    hicolor-icon-theme
  +    libhandy
  +    libsecret
  +    openssl
  +    sqlite
     ];
   
     patches = [
  
positive.code: { stdenv, fetchFromGitLab, meson, ninja, gettext, cargo, rustc, python3, rustPlatform, pkgconfig, gtksourceview
  , hicolor-icon-theme, glib, libhandy, gtk3, libsecret, dbus, openssl, sqlite, gst_all_1, wrapGAppsHook, fetchpatch }:
  
  rustPlatform.buildRustPackage rec {
    version = "4.0.0";
    name = "fractal-${version}";
  
    src = fetchFromGitLab {
      domain = "gitlab.gnome.org";
  
negative.code:   checkPhase = null;
    installPhase = null;
  
    meta = with stdenv.lib; {
      description = "Matrix group messaging app";
      homepage = https://gitlab.gnome.org/GNOME/fractal;
      license = licenses.gpl3;
      maintainers = with maintainers; [ dtzWill worldofpeace ];
    };
  }
  
  