This starts to fix the scripts so that they load from /usr/lib/crosutils

image_to_virtualbox.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 convert the output of build_image.sh to a VirtualBox image.
-# 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"
+
+# --- BEGIN COMMON.SH BOILERPLATE ---
+# Load common CrOS utilities.  Inside the chroot this file is installed in
+# /usr/lib/crosutils.  Outside the chroot we find it relative to the script's
+# location.
+find_common_sh() {
+  local common_paths=(/usr/lib/crosutils $(dirname "$(readlink -f "$0")"))
+  local path
+
+  SCRIPT_ROOT=
+  for path in "${common_paths[@]}"; do
+    if [ -r "${path}/common.sh" ]; then
+      SCRIPT_ROOT=${path}
+      break
+    fi
+  done
+}
+
+find_common_sh
+. "${SCRIPT_ROOT}/common.sh" || (echo "Unable to load common.sh" && exit 1)
+# --- END COMMON.SH BOILERPLATE ---
 
 IMAGES_DIR="${DEFAULT_BUILD_ROOT}/images"
 # Default to the most recent image
 DEFAULT_FROM="${IMAGES_DIR}/`ls -t $IMAGES_DIR | head -1`"
 DEFAULT_TO="${DEFAULT_FROM}/os.vdi"
 TEMP_IMAGE="${IMAGES_DIR}/temp.img"
 
 # Flags
 DEFINE_string from "$DEFAULT_FROM" \
   "Directory containing rootfs.image and mbr.image"
 DEFINE_string to "$DEFAULT_TO" \
   "Destination file for VirtualBox image"
 
 # Parse command line
 FLAGS "$@" || exit 1
 eval set -- "${FLAGS_ARGV}"
 
 # Die on any errors.
 set -e
 
-# Convert args to paths.  Need eval to un-quote the string so that shell 
+# Convert args to paths.  Need eval to un-quote the string so that shell
 # chars like ~ are processed; just doing FOO=`readlink -f $FOO` won't work.
 FLAGS_from=`eval readlink -f $FLAGS_from`
 FLAGS_to=`eval readlink -f $FLAGS_to`
 
 # Check if qemu-img and VBoxManage are available.
 for EXTERNAL_tools in qemu-img VBoxManage; do
   if ! type ${EXTERNAL_tools} >/dev/null 2>&1; then
     echo "Error: This script requires ${EXTERNAL_tools}."
     exit 1
   fi
 done
 
-$(dirname "$0")/image_to_vmware.sh --format=virtualbox --from=$FLAGS_from \
-  --to=$(dirname "$FLAGS_to") --vbox_disk=$(basename "$FLAGS_to")
+"${SCRIPTS_DIR}/image_to_vmware.sh" --format=virtualbox --from="$FLAGS_from" \
+  --to="$(dirname "$FLAGS_to")" --vbox_disk="$(basename "$FLAGS_to")"