isHm:
{
  config,
  lib,
  pkgs,
  ...
}:
{
  options.mkk.neovim = {
    enable = lib.mkOption {
      default = false;
      type = lib.types.bool;
    };
  };
  config =
    if isHm then
      # Home Manager
      lib.mkIf config.mkk.neovim.enable {
        xdg.configFile."nvim/lua/materus".source = "${config.mkk.dir}/config/editor/neovim/lua/materus";
        programs.neovim = {
          enable = true;
          plugins = [
            pkgs.vimPlugins.nvim-treesitter.withAllGrammars
          ];

          extraLuaConfig = lib.mkAfter ''
            MATERUS = {
              NIXOS = 1
            }
            require("materus")
          '';
        };
        home.packages = [
          pkgs.fd
          pkgs.ripgrep
          pkgs.tree-sitter
        ];
      }
    else
      # NixOS
      lib.mkIf config.mkk.neovim.enable {
        environment.systemPackages = [
          pkgs.neovim
        ];
      };
}