disk_updater/scripts/chromeos-disk-firmware-update.conf

# Copyright 2013 The ChromiumOS Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

description     "Check if root disk firmware needs updating"
author          "chromium-os-dev@chromium.org"

# Once partitions are initialized, check if the disk firmware needs updating.
# To prevent reading the firmware rule, looking at the disk, a file is saved
# at the end of a successful check/update. Look at this file first.
#
# Some SSD needs to be power cycled, be sure powerd is present to be able
# to do a suspend/resume in the update script.
start on started powerd

task

script
  # Check if we have to run.
  STATUS_FILE="/mnt/stateful_partition/unencrypted/cache/.disk_firmware_upgrade_completed"
  RULE_FILE="/opt/google/disk/firmware/rules"
  # If a previous upgrade worked fine skip this code.
  if [ -s "${STATUS_FILE}" ]; then
    exit 0
  fi

  # Log can be found in /var/log/messages.
  chromeos-disk-firmware-update.sh \
    --status "${STATUS_FILE}" \
    --fw_package_dir "${RULE_FILE%/*}" || :
end script