Make sbt support latest build workflow

src/scripts/mod_image_for_test.sh

 #!/bin/bash
 
 # Copyright (c) 2009 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 to modify a keyfob-based chromeos system image for testability.
 
 # Load common constants.  This should be the first executable line.
 # The path to common.sh should be relative to your script's location.
 . "$(dirname "$0")/common.sh"
 
 get_default_board
 
 DEFINE_string board "$DEFAULT_BOARD" "Board for which the image was built"
 DEFINE_string image "" "Location of the rootfs raw image file"
 DEFINE_boolean yes $FLAGS_FALSE "Answer yes to all prompts" "y"
 
 # Parse command line
 FLAGS "$@" || exit 1
 eval set -- "${FLAGS_ARGV}"
 
 # No board, no default and no image set then we can't find the image
-if [ -z $FLAGS_IMAGE ] && [ -z $FLAGS_board ] ; then 
+if [ -z $FLAGS_IMAGE ] && [ -z $FLAGS_board ] ; then
   setup_board_warning
   echo "*** mod_image_for_test failed.  No board set and no image set"
   exit 1
 fi
 
 # We have a board name but no image set.  Use image at default location
 if [ -z $FLAGS_image ] ; then
   IMAGES_DIR="${DEFAULT_BUILD_ROOT}/images/${FLAGS_board}"
   FLAGS_image="${IMAGES_DIR}/$(ls -t $IMAGES_DIR 2>&-| head -1)/rootfs.image"
 fi
@@ skipping 66 matching lines @@
 
 # Run test setup script inside chroot jail to modify the image
 sudo chroot "${ROOT_FS_DIR}" "/modify_scripts/test_setup.sh"
 
 sudo umount "${ROOT_FS_DIR}/modify_scripts"
 sudo rmdir "${ROOT_FS_DIR}/modify_scripts"
 
 cleanup
 trap - EXIT