nixos/system/registry.nix

{...}: {
  nix.registry = {
    nixos = {
      from = {
        type = "indirect";
        id = "nixos";
      };
      to = {
        type = "git";
        url = "https://git.xenia.me.uk/pixelifytica/nixos.git?ref=main";
      };
    };
    iosevka = {
      from = {
        type = "indirect";
        id = "iosevka";
      };
      to = {
        type = "git";
        url = "https://git.xenia.me.uk/pixelifytica/iosevka.git?ref=main";
      };
    };
  };
}