| #!/bin/bash |
| # Copyright 2021 The ChromiumOS Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # Set up /run/chromeos-config during boot (assumes unibuild). |
| # Note: This is written to target busybox ash and bash, as it needs to |
| # run in recovery initramfs, where we only have busybox. |
| |
| set -e |
| |
| : "${SQUASHFS_IMAGE:=/usr/share/chromeos-config/configfs.img}" |
| : "${MOUNTPOINT:=/run/chromeos-config}" |
| |
| CONFIG_INDEX="$(crosid -f CONFIG_INDEX)" |
| if [ "${CONFIG_INDEX}" = "unknown" ]; then |
| echo 'FATAL: No device identity matched.' \ |
| 'Run "crosid -v" for explanation.' | tee -a /dev/kmsg >&2 |
| exit 1 |
| fi |
| |
| mkdir -p "${MOUNTPOINT}/private" "${MOUNTPOINT}/v1" |
| mount -n -oro,nodev,noexec,nosuid "${SQUASHFS_IMAGE}" "${MOUNTPOINT}/private" |
| mount -n -obind,ro,nodev,noexec,nosuid \ |
| "${MOUNTPOINT}/private/v1/chromeos/configs/${CONFIG_INDEX}" \ |
| "${MOUNTPOINT}/v1" |
