home-manager/tests/modules/misc/nix/keep-old-nix-path.nix

{ config, ... }:

{
  nix = {
    package = config.lib.test.mkStubPackage { };
    nixPath = [ "/a" "/b/c" ];
    keepOldNixPath = false;
  };

  nmt.script = ''
    assertFileContains home-path/etc/profile.d/hm-session-vars.sh \
      'export NIX_PATH="/a:/b/c"'
  '';
}