{
  config = {
    programs.boxxy.enable = true;
    programs.boxxy.rules = [
      {
        name = "example rule";
        target = "~/Arduino";
        rewrite = "~/.local/share/boxxy";
        mode = "directory";
        only = [
          "arduino"
          "Arduino"
        ];
        env = {
          "ENVIRONMENT_THING" = "some value";
        };
        context = [ "/home/test_user/your_project_repo" ];
      }
    ];

    nmt.script = ''
      boxxyyaml=home-files/.config/boxxy/boxxy.yaml
      assertFileExists $boxxyyaml
      assertFileContent $boxxyyaml ${./example-boxxy.yaml}
    '';
  };
}
