{
  description = "virtual environments";

  inputs.devshell.url = "github:numtide/devshell";
  inputs.flake-utils.url = "github:numtide/flake-utils";
  inputs.naersk.url = "github:nix-community/naersk";
  inputs.rust-overlay.url = "github:oxalica/rust-overlay";

  outputs = {
    self,
    flake-utils,
    devshell,
    nixpkgs,
    naersk,
    rust-overlay,
  }:
    flake-utils.lib.eachDefaultSystem (system: let
      pkgs = import nixpkgs {
        inherit system;
        overlays = [(import rust-overlay)];
      };
      naersk-lib = naersk.lib."${system}";
    in {
      /*
       defaultPackage = naersk-lib.buildPackage {
         pname = "ddcmqtt";
         root = ./.;
         nativeBuildInputs = with pkgs; [ pkgconfig libudev ];
       };
       /* devshell currently not really working for stuff that needs pkgconfig/libs
       devShell =
         let pkgs = import nixpkgs {
           inherit system;
           overlays = [ devshell.overlay ];
         };
         in
         pkgs.devshell.mkShell {
           packages = with pkgs; [ rustc cargo gcc ];
           nativeBuildInputs = with pkgs; [ libudev pkgconfig ];
         };
       */
      devShells.default = pkgs.mkShell {
        nativeBuildInputs = with pkgs; [
          (rust-bin.nightly.latest.default.override {extensions = ["rls"];})
          (pkgs.lib.optional pkgs.stdenv.isLinux udev)
          pkgconfig
          mosquitto  # For testing mqtt with mosquitto_pub
        ];
      };
      formatter = pkgs.alejandra;
    });
}