ark/modules/hm-system-defaults.nix

{
  config,
  ...
}:
{
  home-manager.sharedModules = [
    {
      home.sessionVariables = { inherit (config.environment.sessionVariables) NIX_PATH; };
      xdg.configFile."nix/registry.json".text = config.environment.etc."nix/registry.json".text;
    }
  ];
}