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962d1ec49a
Issue 1027 (http://code.google.com/p/chromium-os/issues/detail?id=1027) Review URL: http://codereview.chromium.org/502014
64 lines
2.1 KiB
Bash
Executable File
64 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Script to convert the output of build_image.sh to a VirtualBox image.
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# Load common constants. This should be the first executable line.
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# The path to common.sh should be relative to your script's location.
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. "$(dirname "$0")/common.sh"
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IMAGES_DIR="${DEFAULT_BUILD_ROOT}/images"
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# Default to the most recent image
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DEFAULT_FROM="${IMAGES_DIR}/`ls -t $IMAGES_DIR | head -1`"
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DEFAULT_TO="${DEFAULT_FROM}/os.vdi"
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TEMP_IMAGE="${IMAGES_DIR}/temp.img"
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# Flags
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DEFINE_string from "$DEFAULT_FROM" \
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"Directory containing rootfs.image and mbr.image"
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DEFINE_string to "$DEFAULT_TO" \
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"Destination file for VirtualBox image"
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# Parse command line
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FLAGS "$@" || exit 1
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eval set -- "${FLAGS_ARGV}"
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# Die on any errors.
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set -e
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# Convert args to paths. Need eval to un-quote the string so that shell
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# chars like ~ are processed; just doing FOO=`readlink -f $FOO` won't work.
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FLAGS_from=`eval readlink -f $FLAGS_from`
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FLAGS_to=`eval readlink -f $FLAGS_to`
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# Check if qemu-img and VBoxManage are available.
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for EXTERNAL_tools in qemu-img VBoxManage; do
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if ! type ${EXTERNAL_tools} >/dev/null 2>&1; then
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echo "Error: This script requires ${EXTERNAL_tools}."
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exit 1
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fi
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done
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# Make two sparse files. One for an empty partition, another for
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# stateful partition.
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PART_SIZE=$(stat -c%s "${FLAGS_from}/rootfs.image")
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dd if=/dev/zero of="${FLAGS_from}/empty.image" bs=1 count=1 \
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seek=$(( $PART_SIZE - 1 ))
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dd if=/dev/zero of="${FLAGS_from}/state.image" bs=1 count=1 \
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seek=$(( $PART_SIZE - 1 ))
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mkfs.ext3 -F -L C-STATE "${FLAGS_from}/state.image"
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# Copy MBR and rootfs to output image
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qemu-img convert -f raw \
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"${FLAGS_from}/mbr.image" "${FLAGS_from}/state.image" \
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"${FLAGS_from}/empty.image" "${FLAGS_from}/rootfs.image" \
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-O raw "${TEMP_IMAGE}"
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VBoxManage convertdd "${TEMP_IMAGE}" "${FLAGS_to}"
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rm -f "${FLAGS_from}/empty.image" "${FLAGS_from}/state.image" "${TEMP_IMAGE}"
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echo "Done. Created VirtualBox image ${FLAGS_to}"
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