mirror of
https://github.com/flatcar/scripts.git
synced 2025-08-10 06:26:57 +02:00
101 lines
3.3 KiB
Bash
Executable File
101 lines
3.3 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.
|
|
|
|
# Helper script that mounts chromium os image from a device or directory
|
|
# and creates mount points for /var and /usr/local (if in dev_mode).
|
|
|
|
. "$(dirname "$0")/common.sh"
|
|
|
|
get_default_board
|
|
|
|
# Flags.
|
|
DEFINE_string board "$DEFAULT_BOARD" \
|
|
"The board for which the image was built." b
|
|
DEFINE_boolean unmount $FLAGS_FALSE \
|
|
"Unmount previously mounted dir." u
|
|
DEFINE_string from "/dev/sdc" \
|
|
"Directory containing image or device with image on it" f
|
|
DEFINE_boolean test $FLAGS_FALSE "Use chromiumos_test_image.bin" t
|
|
DEFINE_string "rootfs_mountpt" "/tmp/m" "Mount point for rootfs" "r"
|
|
DEFINE_string "stateful_mountpt" "/tmp/s" \
|
|
"Mount point for stateful partition" "s"
|
|
DEFINE_boolean most_recent ${FLAGS_FALSE} "Use the most recent image dir" m
|
|
|
|
# Parse flags
|
|
FLAGS "$@" || exit 1
|
|
eval set -- "${FLAGS_ARGV}"
|
|
|
|
# Die on error
|
|
set -e
|
|
|
|
# Common umounts for either a device or directory
|
|
function unmount_common() {
|
|
echo "Unmounting image from ${FLAGS_stateful_mountpt}" \
|
|
"and ${FLAGS_rootfs_mountpt}"
|
|
# Don't die on error to force cleanup
|
|
set +e
|
|
if [ -e "${FLAGS_rootfs_mountpt}/root/.dev_mode" ] ; then
|
|
sudo umount "${FLAGS_rootfs_mountpt}/usr/local"
|
|
fi
|
|
sudo umount "${FLAGS_rootfs_mountpt}/var"
|
|
sudo umount -d "${FLAGS_stateful_mountpt}"
|
|
sudo umount -d "${FLAGS_rootfs_mountpt}"
|
|
set -e
|
|
}
|
|
|
|
# Sets up the rootfs and stateful partitions specified by
|
|
# ${FLAGS_from}${prefix}[31] to the given mount points and sets up var and
|
|
# usr/local
|
|
# ${1} - prefix name for the partition
|
|
# ${2} - extra mount options for the partitions
|
|
function mount_common() {
|
|
mkdir -p "${FLAGS_rootfs_mountpt}"
|
|
mkdir -p "${FLAGS_stateful_mountpt}"
|
|
sudo mount ${2} "${FLAGS_from}${1}3" "${FLAGS_rootfs_mountpt}"
|
|
sudo mount ${2} "${FLAGS_from}${1}1" "${FLAGS_stateful_mountpt}"
|
|
sudo mount --bind "${FLAGS_stateful_mountpt}/var" \
|
|
"${FLAGS_rootfs_mountpt}/var"
|
|
if [ -e "${FLAGS_rootfs_mountpt}/root/.dev_mode" ] ; then
|
|
sudo mount --bind "${FLAGS_stateful_mountpt}/dev_image" \
|
|
"${FLAGS_rootfs_mountpt}/usr/local"
|
|
fi
|
|
echo "Root FS specified by "${FLAGS_from}${1}3" mounted at"\
|
|
"${FLAGS_rootfs_mountpt} successfully."
|
|
}
|
|
|
|
# Find the last image built on the board
|
|
if [ ${FLAGS_most_recent} -eq ${FLAGS_TRUE} ] ; then
|
|
IMAGES_DIR="${DEFAULT_BUILD_ROOT}/images/${FLAGS_board}"
|
|
FLAGS_from="${IMAGES_DIR}/$(ls -t ${IMAGES_DIR} 2>&-| head -1)"
|
|
fi
|
|
|
|
# Turn into absolute path
|
|
FLAGS_from=`eval readlink -f ${FLAGS_from}`
|
|
|
|
# Set the file name of the image if ${FLAGS_from} is not a device and cd
|
|
if [ -d "${FLAGS_from}" ] ; then
|
|
cd "${FLAGS_from}"
|
|
IMAGE_NAME=chromiumos_image.bin
|
|
[ ${FLAGS_test} -eq ${FLAGS_TRUE} ] && IMAGE_NAME=chromiumos_test_image.bin
|
|
fi
|
|
|
|
if [ ${FLAGS_unmount} -eq ${FLAGS_TRUE} ] ; then
|
|
unmount_common
|
|
if [ -d "${FLAGS_from}" ] ; then
|
|
echo "Re-packing partitions onto ${FLAGS_from}/${IMAGE_NAME}"
|
|
./pack_partitions.sh ${IMAGE_NAME} 2> /dev/null
|
|
sudo rm part_*
|
|
fi
|
|
else
|
|
if [ -b ${FLAGS_from} ] ; then
|
|
mount_common "" ""
|
|
else
|
|
echo "Unpacking partitions from ${FLAGS_from}/${IMAGE_NAME}"
|
|
./unpack_partitions.sh ${IMAGE_NAME} 2> /dev/null
|
|
mount_common "/part_" "-o loop"
|
|
fi
|
|
fi
|