| #!/bin/sh |
| # 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. |
| # |
| # Force cleans loopback devices from within your chroot environment. This |
| # script is to help mitigate losing loopback devices on build_images |
| # failures. This script only affects mountpoints and loopback devices |
| # that were created within this chroot. |
| |
| SCRIPT_ROOT=$(dirname $(readlink -f "$0")) |
| . "${SCRIPT_ROOT}/common.sh" || exit 1 |
| |
| # Script must be run inside the chroot. |
| assert_inside_chroot |
| |
| DEFINE_string output_root "$DEFAULT_BUILD_ROOT/images" \ |
| "Directory in which to place image result directories (named by version)" |
| DEFINE_string board "$DEFAULT_BOARD" \ |
| "The board to build an image for." |
| |
| # Parse command line. |
| FLAGS "$@" || exit 1 |
| eval set -- "${FLAGS_ARGV}" |
| |
| if [[ -z "${FLAGS_board}" ]]; then |
| error "--board is required." |
| exit 1 |
| fi |
| |
| OUTPUT_DIR="${FLAGS_output_root}/${FLAGS_board}" |
| |
| echo 'This will unmount all directories matching /tmp/esp.*' |
| echo "and any directory under $OUTPUT_DIR" |
| read -p "Are you sure (y/N)? " SURE |
| SURE="${SURE:0:1}" # Get just the first character |
| if [ "${SURE}" != "y" ]; then |
| echo "Ok, better safe than sorry." |
| exit 1 |
| fi |
| |
| safe_umount "$OUTPUT_DIR"/*/* 2> /dev/null |
| safe_umount /tmp/esp.* 2> /dev/null |
| sudo losetup -d /dev/loop* 2> /dev/null |