{
  #   { lib
  # , stdenv
  # , fetchFromGitHub
  # , zig_0_11
  # , callPackage
  # }:

  perSystem =
    { pkgs, lib, ... }:
    {
      packages.zls = pkgs.stdenv.mkDerivation (finalAttrs: {
        pname = "zls";
        version = "0.12.0";

        src = pkgs.fetchFromGitHub {
          owner = "zigtools";
          repo = "zls";
          rev = finalAttrs.version;
          fetchSubmodules = true;
          hash = "sha256-2iVDPUj9ExgTooDQmCCtZs3wxBe2be9xjzAk9HedPNY=";
        };

        langref = pkgs.fetchurl {
          url = "https://raw.githubusercontent.com/ziglang/zig/a685ab1499d6560c523f0dbce2890dc140671e43/doc/langref.html.in";
          hash = "sha256-7lFSfkVLOrn42nYnYyDmBkkRfM903lUUJZ5Sg+eBUpE=";
        };

        zigBuildFlags = [ "-Dversion_data_path=${finalAttrs.langref}" ];

        nativeBuildInputs = [ pkgs.zig_0_12.hook ];

        postPatch = ''
          ln -s ${pkgs.callPackage ./deps.nix { }} $ZIG_GLOBAL_CACHE_DIR/p
        '';

        meta = {
          description = "Zig LSP implementation + Zig Language Server";
          mainProgram = "zls";
          changelog = "https://github.com/zigtools/zls/releases/tag/${finalAttrs.version}";
          homepage = "https://github.com/zigtools/zls";
          license = lib.licenses.mit;
          maintainers = with lib.maintainers; [
            figsoda
            moni
          ];
          platforms = lib.platforms.unix;
        };
      });
    };
}