{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    treefmt-nix.url = "github:numtide/treefmt-nix";
  };

  outputs =
    {
      self,
      nixpkgs,
      treefmt-nix,
      ...
    }:
    let
      system = "x86_64-linux";
      pkgs = import nixpkgs { inherit system; };
      treefmtEval = treefmt-nix.lib.evalModule pkgs ./treefmt.nix;
      inherit (pkgs) mkShell;
    in
    {
      formatter.${system} = treefmtEval.config.build.wrapper;
      devShell."${system}" = mkShell {
        nativeBuildInputs = with pkgs; [
          tokei
          nil
        ];
      };

      packages."${system}" = {
        com = import ./com { inherit pkgs; };
      };

      nixosModules =
        let
          t-packs = self.packages."${system}";
        in
        rec {
          t-packs =
            { config, lib, ... }:
            {
              imports = [];
            };

          default = t-packs;
        };
    };
}