#!/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