{ emacsWithPackagesFromUsePackage
, stdenv
, fetchzip
, fetchurl
, fetchFromGitHub
, emacsGcc
, conf ? null
, ...
}:

assert (conf != null);

emacsWithPackagesFromUsePackage {
  config = conf;
  package = emacsGcc;
  alwaysEnsure = true;
  alwaysTangle = true;
  extraEmacsPackages = epkgs: with epkgs; [
    use-package
    tsc
  ];
  #https://github.com/NixOS/nixpkgs/issues/108089
  override = epkgs: epkgs // {
    tsc = epkgs.melpaPackages.tsc.overrideAttrs (oa:
      let
        version = "0.18.0";
        tsc-dyn = fetchurl {
          url = "https://github.com/emacs-tree-sitter/elisp-tree-sitter/releases/download/${version}/tsc-dyn.so";
          sha256 = "sha256-97KDzdYNJN4ceJeuQxZtQ/7iU0CYXEp6gcSM9rNwlyE=";
        };
      in
      {
        postInstall = ''
          cp ${tsc-dyn} $out/share/emacs/site-lisp/elpa/tsc-${oa.version}/tsc-dyn.so
          echo -n ${version} > $out/share/emacs/site-lisp/elpa/tsc-${oa.version}/DYN-VERSION
        '';
      });
    tree-sitter-langs = epkgs.melpaPackages.tree-sitter-langs.overrideAttrs (oa:
      let
        version = "0.11.3";
        tree-sitter-grammars = stdenv.mkDerivation rec {
          inherit version;
          name = "tree-sitter-grammars";
          src = fetchzip {
            url = "https://github.com/emacs-tree-sitter/tree-sitter-langs/releases/download/${version}/tree-sitter-grammars-linux-${version}.tar.gz";
            sha256 = "sha256-85Yy6NuEVnibehmalz2qr0pCENYwmxsyyIf0TUYnDY8=";
            stripRoot = false;
          };
          installPhase = ''
            install -d $out/langs/bin
            echo -n "${version}" > $out/langs/bin/BUNDLE-VERSION
            install -m444 * $out/langs/bin
          '';
        };
      in
      {
        src = fetchFromGitHub {
          owner = "emacs-tree-sitter";
          repo = "tree-sitter-langs";
          rev = version;
          sha256 = "sha256-Br+ON7a8FWoU75ySPSP2DkiyHjj80TP5XvcMMJrU9+k=";
        };
        postPatch = ''
          substituteInPlace ./tree-sitter-langs-build.el \
          --replace "tree-sitter-langs-grammar-dir tree-sitter-langs--dir"  "tree-sitter-langs-grammar-dir \"${tree-sitter-grammars}/langs\""
        '';
      });
    gruvbox-theme = epkgs.melpaPackages.gruvbox-theme.overrideAttrs (_: { patches = [ ./gruvbox-el.patch ]; });
  };
}