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This is a resubmit. The original CL was lost due to local disk crashes.

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Review URL: http://codereview.chromium.org/551087
This commit is contained in:
Eric Li 2010-01-20 17:01:44 -08:00
parent 40043a0997
commit ce1ce9740a
1 changed files with 39 additions and 0 deletions
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39
image_to_usb.sh
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@ -21,10 +21,12 @@ then
# images.
DEFAULT_TO="${DEFAULT_FROM}/usb.img"
DEFAULT_TO_HELP="Destination file for USB image."
AUTOTEST_SRC=/usr/local/autotest
else
# Outside the chroot, so output to the default device for a usb key.
DEFAULT_TO="/dev/sdb"
DEFAULT_TO_HELP="Destination device for USB keyfob."
AUTOTEST_SRC=${DEFAULT_CHROOT_DIR}/usr/local/autotest
fi
# Flags
@ -32,6 +34,8 @@ DEFINE_string from "$DEFAULT_FROM" \
"Directory containing rootfs.image and mbr.image"
DEFINE_string to "$DEFAULT_TO" "$DEFAULT_TO_HELP"
DEFINE_boolean yes $FLAGS_FALSE "Answer yes to all prompts" "y"
DEFINE_boolean install_autotest $FLAGS_FALSE \
"Whether to install autotest to the stateful partition."
# Parse command line
FLAGS "$@" || exit 1
@ -49,6 +53,29 @@ function do_cleanup {
sudo losetup -d "$LOOP_DEV"
}
STATEFUL_DIR=${FLAGS_from}/stateful_partition
mkdir -p "${STATEFUL_DIR}"
function install_autotest {
if [ -d ${AUTOTEST_SRC} ]
then
echo -ne "Install autotest into stateful partition..."
local autotest_client="/home/autotest-client"
sudo mkdir -p "${STATEFUL_DIR}${autotest_client}"
sudo cp -fpru ${AUTOTEST_SRC}/client/* \
"${STATEFUL_DIR}${autotest_client}"
sudo chmod 755 "${STATEFUL_DIR}${autotest_client}"
sudo chown -R 1000:1000 "${STATEFUL_DIR}${autotest_client}"
echo "Done."
sudo umount "${STATEFUL_DIR}"
else
echo "/usr/local/autotest under ${DEFAULT_CHROOT_DIR} is not installed."
echo "Please call make_autotest.sh inside chroot first."
sudo umount "${STATEFUL_DIR}"
exit -1
fi
}
# Copy MBR and rootfs to output image
if [ -b "$FLAGS_to" ]
then
@ -109,6 +136,11 @@ then
echo "Creating stateful partition..."
sudo losetup -o 512 "$LOOP_DEV" "$FLAGS_to"
sudo mkfs.ext3 -F -b 4096 -L C-STATE "$LOOP_DEV" $(( $PART_SIZE / 4096 ))
if [ $FLAGS_install_autotest -eq $FLAGS_TRUE ]
then
sudo mount "${LOOP_DEV}" "${STATEFUL_DIR}"
install_autotest
fi
sync
sudo losetup -d "$LOOP_DEV"
sync
@ -130,6 +162,13 @@ else
seek=$(($PART_SIZE - 1))
mkfs.ext3 -F -L C-STATE "${FLAGS_from}/stateful_partition.image"
if [ $FLAGS_install_autotest -eq $FLAGS_TRUE ]
then
sudo mount -o loop "${FLAGS_from}/stateful_partition.image" \
"${STATEFUL_DIR}"
install_autotest
fi
# Create a sparse output file
dd if=/dev/zero of="${FLAGS_to}" bs=1 count=1 \
seek=$(( ($PART_SIZE * 2) + 512 - 1))