cros_make_image_bootable is not compatible with restart_inside_chroot

bin/cros_make_image_bootable

 #!/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.
 #
 # Script which ensures that a given image has an up-to-date
 # kernel partition, rootfs integrity hashes, and legacy bootloader configs.
 
 # Load common constants.  This should be the first executable line.
 # The path to common.sh should be relative to your script's location.
 COMMON_PATH="$(dirname "$0")/../common.sh"
 if [ ! -r "${COMMON_PATH}" ]; then
   echo "ERROR! Cannot find common.sh: ${COMMON_PATH}" 1>&2
   exit 1
 fi
+
 . "$(dirname "$0")/../common.sh"
 
+# Script must be run inside the chroot.
+assert_inside_chroot
+
 set -e
 . "$(dirname "$0")/../chromeos-common.sh"  # for partoffset and partsize
 
 if [ $# -lt 2 ]; then
   echo "Usage: ${0} /PATH/TO/IMAGE IMAGE.BIN [shflags overrides]"
   exit 1
 fi
 
 BOOT_DESC_FILE="${1}/boot.desc"
 IMAGE="${1}/${2}"
@@ skipping 10 matching lines @@
   info "Boot-time configuration for $(dirname ${IMAGE}): "
   cat ${BOOT_DESC_FILE} | while read line; do
     info "  ${line}"
   done
 fi
 
 if [ ! -r "${IMAGE}" ]; then
   die "${IMAGE} cannot be read!"
 fi
 
-# Script must be run inside the chroot.
-restart_in_chroot_if_needed $*
 
 locate_gpt
 set +e
 
 # Now parse the build settings from ${OUTPUT_DIR}/boot.desc
 
 DEFINE_string output_dir "/tmp" \
   "Directory to place output in."
 DEFINE_string image "chromiumos_base.img" \
   "Full path to the chromiumos image to make bootable."
@@ skipping 190 matching lines @@
 mkdir -p ${FLAGS_statefulfs_mountpoint}
 mkdir -p ${FLAGS_espfs_mountpoint}
 
 make_image_bootable ${IMAGE}
 
 if [ ${FLAGS_cleanup_dirs} -eq ${FLAGS_TRUE} ]; then
   rmdir ${FLAGS_rootfs_mountpoint}
   rmdir ${FLAGS_statefulfs_mountpoint}
   rmdir ${FLAGS_espfs_mountpoint}
 fi