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issue 2825046

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Change-Id: I8eb21d76e75f97270596907fb309b81e8b6c8d2e

Review URL: http://codereview.chromium.org/3007005
This commit is contained in:
Tan Gao 2010-07-19 10:12:37 -07:00
parent ab3682d570
commit 7ead6c4fa1
1 changed files with 41 additions and 26 deletions
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67
mod_image_for_recovery.sh
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@ -8,35 +8,50 @@
. "$(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 $*
DEFINE_string image_dir "" \
"Directory to pristine/base image."
DEFINE_string image_name "chromiumos_image.bin" \
"Name of Chrome OS image to modify."
get_default_board
DEFINE_string board "$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
if [ -z $FLAGS_image_dir ] || [ ! -d $FLAGS_image_dir ]; then
echo "Error: invalid flag --image_dir"
exit 1
fi
SRC_PATH="${FLAGS_image_dir}/${FLAGS_image_name}"
if [ -z $FLAGS_image_name ] || [ ! -f $SRC_PATH ]; then
echo "Error: invalid flag --image_name"
exit 1
fi
# Constants
OUTPUT_DIR=$FLAGS_image_dir
ROOT_FS_DIR="${OUTPUT_DIR}/rootfs"
STATEFUL_FS_DIR="${OUTPUT_DIR}/stateful_partition"
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() {
@ -49,24 +64,24 @@ update_recovery_packages() {
echo "Modifying image ${image_name} for recovery use"
trap "mount_gpt_cleanup \"${ROOT_FS_DIR}\" \"${STATEFUL_FS_DIR}\"" EXIT
trap "mount_gpt_cleanup \"${ROOT_FS_DIR}\" \"${STATEFUL_DIR}\"" EXIT
${SCRIPTS_DIR}/mount_gpt_image.sh --from "${OUTPUT_DIR}" \
${SCRIPTS_DIR}/mount_gpt_image.sh --from "${IMAGE_DIR}" \
--image "$( basename ${image_name} )" -r "${ROOT_FS_DIR}" \
-s "${STATEFUL_FS_DIR}"
-s "${STATEFUL_DIR}"
# Mark the image as a recovery image (needed for recovery boot)
sudo touch "${STATEFUL_FS_DIR}/.recovery"
sudo touch "${STATEFUL_DIR}/.recovery"
trap - EXIT
${SCRIPTS_DIR}/mount_gpt_image.sh -u -r "${ROOT_FS_DIR}" \
-s "${STATEFUL_FS_DIR}"
-s "${STATEFUL_DIR}"
}
# Main
DST_PATH="${OUTPUT_DIR}/${RECOVERY_IMAGE}"
echo "Making a copy of original image ${SRC_PATH}"
cp $SRC_PATH $DST_PATH
DST_PATH="${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}"