message: fix: make sure sign up next links don't include -- components
diff: @@ -13,6 +13,7 @@ import { layout } from 'ember-osf-web/decorators/component';
  import User from 'ember-osf-web/models/user';
  import Analytics from 'ember-osf-web/services/analytics';
  import CurrentUser from 'ember-osf-web/services/current-user';
  +import cleanURL from 'ember-osf-web/utils/clean-url';
  import defaultTo from 'ember-osf-web/utils/default-to';
  import param from 'ember-osf-web/utils/param';
  import pathJoin from 'ember-osf-web/utils/path-join';
  @@ -50,7 +51,7 @@ export class AuthBase extends Component {
  @computed('router.currentURL')
  get signUpNext() {
  - return pathJoin(baseUrl, this.router.currentURL);
  + return pathJoin(baseUrl, cleanURL(this.router.currentURL));
  }
  @computed('signUpURL', 'signUpNext')
  