{
  nix = {
    settings = {
      substituters = [
        "https://rgit.cachix.org"
      ];
      trusted-public-keys = [
        "rgit.cachix.org-1:3Wva/GHhrlhbYx+ObbEYQSYq1Yzk8x9OAvEvcYazgL0="
      ];
    };
  };
}