anchor.diff:      # and saves them to the generated binary. This would make the build-time
       # dependencies part of the closure so we remove it.
       ./prevent-closure-contamination.patch
  +
  +    # Port from intltool to gettext.
  +    # Needed for the following patches to apply.
  +    (fetchpatch {
  +      url = "https://gitlab.gnome.org/GNOME/pitivi/commit/89b1053f2516c594f414c5c67c835471bce44b67.patch";
  +      sha256 = "8yhArzAtZC+WjHftcSDrstBlT8j6WlGHffU9Nj+ny+c=";
  +      excludes = [ "po/POTFILES.in" ];
  +    })
  +
  +    # Complete switching to gst-transcoder in gst-plugins-bad.
  +    # Otherwise there will likely be conflics.
  +    # TODO: Apply this patch once we are using gst-transcoder from gst-plugins-bad.
  +    # (fetchpatch {
  +    #   url = "https://gitlab.gnome.org/GNOME/pitivi/commit/51ae6533ee26ffd47e453eb5f5ad8cd46f57d15e.patch";
  +    #   sha256 = "zxJm+E5o+oZ3lW6wYNY/ERo2g4NmCjoY8oV+uScq8j8=";
  +    # })
  +
  +    # Generate renderer.so on macOS instead of dylib.
  +    # Needed for the following patch to apply.
  +    (fetchpatch {
  +      url = "https://gitlab.gnome.org/GNOME/pitivi/commit/bcacadcafabf8911efb0fddc8d57329237d08cd1.patch";
  +      sha256 = "2BM5acIwOgdr1L9vhtMMN4trrLuqCg/K6v6ZYtD1Fjw=";
  +      postFetch = ''
  +        sed -i -e "s/1.90.0.1/0.999/g" "$out"
  +      '';
  +    })
  +    (fetchpatch {
  +      url = "https://gitlab.gnome.org/GNOME/pitivi/commit/0a3cc054a2c20b59f5aaaaa307de3c9af3c0d270.patch";
  +      sha256 = "6DhqRlxFWFFdLwGoFem+vPt8x7v732KMVjMF9fypMK4=";
  +      postFetch = ''
  +        sed "$out" -i \
  +          -e "s/1.90.0.1/0.999/g" \
  +          -e "s/\(-python_dep.*\)/\1\n /" \
  +          -e "s/-1,9 +1,16/-1,10 +1,17/"
  +      '';
  +    })
     ];
   
     nativeBuildInputs = [
       meson
       ninja
       pkg-config
  -    intltool
  +    gettext
       itstool
       python3
       wrapGAppsHook
  
positive.code: { stdenv
  , fetchFromGitHub
  , fetchurl
  , pkg-config
  , intltool
  , itstool
  , python3
  , wrapGAppsHook
  
negative.code: 
    postPatch = ''
      patchShebangs ./getenvvar.py
  
      # fetchpatch does not support renamings
      mv data/org.pitivi.Pitivi-mime.xml data/org.pitivi.Pitivi-mime.xml.in
    '';
  
    passthru = {
  