flatpak_dir_set_active (FlatpakDir        *self,
                        FlatpakDecomposed *ref,
                        const char        *active_id,
                        GCancellable      *cancellable,
                        GError           **error)
{
  gboolean ret = FALSE;
  g_autoptr(GFile) deploy_base = NULL;
  g_autoptr(GFile) active_tmp_link = NULL;
  g_autoptr(GFile) active_link = NULL;
  g_autoptr(GError) my_error = NULL;
  g_autofree char *tmpname = g_strdup (".active-XXXXXX");

  deploy_base = flatpak_dir_get_deploy_dir (self, ref);
  active_link = g_file_get_child (deploy_base, "active");

  if (active_id != NULL)
    {
      glnx_gen_temp_name (tmpname);
      active_tmp_link = g_file_get_child (deploy_base, tmpname);
      if (!g_file_make_symbolic_link (active_tmp_link, active_id, cancellable, error))
        goto out;

      if (!flatpak_file_rename (active_tmp_link,
                                active_link,
                                cancellable, error))
        goto out;
    }
  else
    {
      if (!g_file_delete (active_link, cancellable, &my_error) &&
          !g_error_matches (my_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
        {
          g_propagate_error (error, my_error);
          my_error = NULL;
          goto out;
        }
    }

  ret = TRUE;
out:
  return ret;
}
flatpak_dir_set_active (FlatpakDir        *self,
                        FlatpakDecomposed *ref,
                        const char        *active_id,
                        GCancellable      *cancellable,
                        GError           **error)
{
  gboolean ret = FALSE;
  g_autoptr(GFile) deploy_base = NULL;
  g_autoptr(GFile) active_tmp_link = NULL;
  g_autoptr(GFile) active_link = NULL;
  g_autoptr(GError) my_error = NULL;
  g_autofree char *tmpname = g_strdup (".active-XXXXXX");

  deploy_base = flatpak_dir_get_deploy_dir (self, ref);
  active_link = g_file_get_child (deploy_base, "active");

  if (active_id != NULL)
    {
      glnx_gen_temp_name (tmpname);
      active_tmp_link = g_file_get_child (deploy_base, tmpname);
      if (!g_file_make_symbolic_link (active_tmp_link, active_id, cancellable, error))
        goto out;

      if (!flatpak_file_rename (active_tmp_link,
                                active_link,
                                cancellable, error))
        goto out;
    }
  else
    {
      if (!g_file_delete (active_link, cancellable, &my_error) &&
          !g_error_matches (my_error, G_IO_ERROR, G_IO_ERROR_NOT_FOUND))
        {
          g_propagate_error (error, my_error);
          my_error = NULL;
          goto out;
        }
    }

  ret = TRUE;
out:
  return ret;
}