anchor.diff:  
     nativeBuildInputs = [
       desktop-file-utils
  -    gi-docgen
  +    (gi-docgen.overrideAttrs (attrs: {
  +      patches = attrs.patches ++ [
  +        (fetchpatch {
  +          url = "https://gitlab.gnome.org/GNOME/gi-docgen/-/commit/f4ff4787cce962b705fb2588b31f2988c5063c13.patch";
  +          sha256 = "11VGFFb2PLVxnX/qUQdLPLfhGQWx4sf4apBP7R2JWjA=";
  +        })
  +      ];
  +    }))
       gobject-introspection
       meson
       ninja
  
positive.code: 
  stdenv.mkDerivation rec {
    pname = "gnome-builder";
    version = "43.alpha1";
  
    outputs = [ "out" "devdoc" ];
  
    src = fetchurl {
      url = "mirror://gnome/sources/${pname}/${lib.versions.major version}/${pname}-${version}.tar.xz";
      sha256 = "gzf93kAfLM5ehYYbby79XWdTyuReAiqH80V5kPp8JDY=";
    };
  
    patches = [
  
negative.code: , desktop-file-utils
  , editorconfig-core-c
  , fetchurl
  , fetchpatch
  , flatpak
  , gnome
  , libgit2-glib
  