flake.nix

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

  outputs =
    {
      # self,
      nixpkgs,
      flake-utils,
      ...
    }:
    flake-utils.lib.eachDefaultSystem (
      system:
      let
        pkgs = import nixpkgs { inherit system; };
      in
      with pkgs;
      {
        devShells.default = mkShell {
          packages =
            [
              cmake
              cargo-nextest
              pkg-config
              protobuf
              libiconv
            ]
            ++ pkgs.lib.optionals pkgs.stdenv.isDarwin (
              with pkgs.darwin.apple_sdk.frameworks;
              [
                Security
                SystemConfiguration
              ]
            );
        };

        formatter = nixpkgs-fmt;
      }
    );
}