{
  description = "Guanran928's nvim config";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = inputs:
    inputs.flake-utils.lib.eachDefaultSystem (
      system: let
        inherit (inputs.nixpkgs) lib;
        pkgs = inputs.nixpkgs.legacyPackages.${system};
        runtimeDeps = with pkgs; [
          # mason / tree-sitter
          gcc
          cargo
        ];
      in {
        packages.default =
          pkgs.wrapNeovimUnstable pkgs.neovim-unwrapped
          (pkgs.neovimUtils.makeNeovimConfig {
              customRC = ''
                set runtimepath^=${./.}
                source ${./.}/init.lua
              '';
            }
            // {
              wrapperArgs = ["--prefix" "PATH" ":" "${lib.makeBinPath runtimeDeps}"];
            });

        devShells.default = pkgs.mkShell {
          nativeBuildInputs = with pkgs; [
            stylua
          ];
        };
      }
    );
}