home-manager/tests/modules/misc/nix/example-registry.nix

{ config, lib, pkgs, ... }:

with lib;

{
  config = {
    nix = {
      registry = {
        nixpkgs = {
          to = {
            type = "github";
            owner = "my-org";
            repo = "my-nixpkgs";
          };
        };
      };
    };

    nmt.script = ''
      assertFileContent \
        home-files/.config/nix/registry.json \
        ${./example-registry-expected.json}
    '';
  };
}