mirror of
https://github.com/flatcar/scripts.git
synced 2025-08-09 05:56:58 +02:00
7ead6c4fa1
Change-Id: I8eb21d76e75f97270596907fb309b81e8b6c8d2e Review URL: http://codereview.chromium.org/3007005
88 lines
2.4 KiB
Bash
Executable File
88 lines
2.4 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# Copyright (c) 2010 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.
|
|
|
|
# Script to modify a pristine/dev Chrome OS image to be used for recovery
|
|
|
|
. "$(dirname "$0")/common.sh"
|
|
|
|
# Load functions and constants for chromeos-install
|
|
. "$(dirname "$0")/chromeos-common.sh"
|
|
|
|
# Script must be run inside the chroot.
|
|
restart_in_chroot_if_needed $*
|
|
|
|
get_default_board
|
|
|
|
DEFINE_string board "$DEFAULT_BOARD" "Board for which the image was built"
|
|
DEFINE_string image "" "Location of the rootfs raw image file"
|
|
|
|
# Parse command line
|
|
FLAGS "$@" || exit 1
|
|
eval set -- "${FLAGS_ARGV}"
|
|
|
|
# No board, no default and no image set then we can't find the image
|
|
if [ -z $FLAGS_image ] && [ -z $FLAGS_board ] ; then
|
|
setup_board_warning
|
|
die "mod_image_for_recovery failed. No board set and no image set"
|
|
fi
|
|
|
|
# We have a board name but no image set. Use image at default location
|
|
if [ -z $FLAGS_image ] ; then
|
|
IMAGES_DIR="${DEFAULT_BUILD_ROOT}/images/${FLAGS_board}"
|
|
FILENAME="chromiumos_image.bin"
|
|
FLAGS_image="${IMAGES_DIR}/$(ls -t $IMAGES_DIR 2>&-| head -1)/${FILENAME}"
|
|
fi
|
|
|
|
# Turn path into an absolute path.
|
|
FLAGS_image=$(eval readlink -f ${FLAGS_image})
|
|
|
|
# Abort early if we can't find the image
|
|
if [ ! -f $FLAGS_image ] ; then
|
|
echo "No image found at $FLAGS_image"
|
|
exit 1
|
|
fi
|
|
|
|
set -e
|
|
|
|
# Constants
|
|
IMAGE_DIR="$(dirname "$FLAGS_image")"
|
|
IMAGE_NAME="$(basename "$FLAGS_image")"
|
|
ROOT_FS_DIR="$IMAGE_DIR/rootfs"
|
|
STATEFUL_DIR="$IMAGE_DIR/stateful_partition"
|
|
RECOVERY_IMAGE="recovery_image.bin"
|
|
|
|
mount_gpt_cleanup() {
|
|
"${SCRIPTS_DIR}/mount_gpt_image.sh" -u -r "$1" -s "$2"
|
|
}
|
|
|
|
# Modifies an existing image for recovery use
|
|
update_recovery_packages() {
|
|
local image_name=$1
|
|
|
|
echo "Modifying image ${image_name} for recovery use"
|
|
|
|
trap "mount_gpt_cleanup \"${ROOT_FS_DIR}\" \"${STATEFUL_DIR}\"" EXIT
|
|
|
|
${SCRIPTS_DIR}/mount_gpt_image.sh --from "${IMAGE_DIR}" \
|
|
--image "$( basename ${image_name} )" -r "${ROOT_FS_DIR}" \
|
|
-s "${STATEFUL_DIR}"
|
|
|
|
# Mark the image as a recovery image (needed for recovery boot)
|
|
sudo touch "${STATEFUL_DIR}/.recovery"
|
|
|
|
trap - EXIT
|
|
${SCRIPTS_DIR}/mount_gpt_image.sh -u -r "${ROOT_FS_DIR}" \
|
|
-s "${STATEFUL_DIR}"
|
|
}
|
|
|
|
# Main
|
|
|
|
DST_PATH="${IMAGE_DIR}/${RECOVERY_IMAGE}"
|
|
echo "Making a copy of original image ${FLAGS_image}"
|
|
cp $FLAGS_image $DST_PATH
|
|
update_recovery_packages $DST_PATH
|
|
echo "Recovery image created at ${DST_PATH}"
|