sys-apps/fwupd/files/90-fwupd.rules

# Copyright 2020 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

DRIVERS=="thunderbolt" ACTION=="add" RUN+="/bin/chown -R fwupd:fwupd $sys/$devpath"