sys-apps/fwupd/files/fwupd.conf

# Copyright 2021 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.

description    "Fwupd daemon"
author         "chromium-os-dev@chromium.org"

# The service is started via DBus activation.
stop on stopping system-services
respawn

env CACHE_DIRECTORY="/var/cache/fwupd"

pre-start script
  mkdir -p /var/cache/fwupd /var/lib/fwupd
  chown -R fwupd:fwupd /var/cache/fwupd /var/lib/fwupd

  # Check if system-services is still running before starting.
  # This is to prevent new dbus-activated instances from getting started once
  # the system is beginning to shut down.
  if ! initctl status system-services | grep -q running; then
    logger -t "${UPSTART_JOB}" "ERROR: system services not running, quit."
    stop
    exit 0
  fi
end script

script
  # Need access to original network namespace for udev (no -e), which passes
  # uevents via netlink socket.
  # Need access to /proc, /sys, /dev to perform USB enumeration.
  # Need access to /run/dbus for DBus communications.
  exec minijail0 \
    --uts -e -l -p -N \
    -v -P /mnt/empty -b / -b /proc -t -r -b /dev,,1 -b /sys,,1 \
    -k /var,/var,tmpfs -b /var/cache/fwupd,,1 -b /var/lib/fwupd,,1 \
    -k run,/run,tmpfs -b /run/dbus -b /run/shill -u fwupd -g fwupd -G \
    -- /usr/libexec/fwupd/fwupd
end script

# Wait for daemon to claim its D-Bus name before transitioning to started.
post-start exec minijail0 -u fwupd -g fwupd /usr/bin/gdbus \
    wait --system --timeout 15 org.freedesktop.fwupd