Merge "installd: remove restored ce_data if de_data rollback failed" am: 580ae9ca am: 0f84c56b

        auto to_de = create_data_user_de_path(volume_uuid, user);

        int rc = copy_directory_recursive(from_de.c_str(), to_de.c_str());

        if (rc != 0) {

            // TODO(narayan): Should we clear clear the rolled back CE data if

            // something goes wrong here ? We're choosing between leaving the

            // app devoid of all its data or with just its ce data installed.

            if (needs_ce_rollback) {

                auto ce_data = create_data_user_ce_package_path(volume_uuid, user, package_name);

                LOG(WARNING) << "de_data rollback failed. Erasing rolled back ce_data " << ce_data;

                if (delete_dir_contents(ce_data.c_str(), 1, nullptr) != 0) {

                    LOG(WARNING) << "Failed to delete rolled back ce_data " << ce_data;

                }

            }

            res = error(rc, "Failed copying " + from_de + " to " + to_de);

            return res;

        }