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

kernel_fetcher.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.
 
-# 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"
 
 # Flags
 DEFINE_string  from   "" "Directory containing rootfs.image and mbr.image"
 DEFINE_string  to     "" "Destination file for USB image."
 DEFINE_integer offset 0  "Offset to write the kernel to in the destination."
 
 # Parse command line
 FLAGS "$@" || exit 1
 eval set -- "${FLAGS_ARGV}"
 
 # Die on any errors.
 set -e
 
-if [ -z "${FLAGS_from}" -o -z "${FLAGS_to}" -o -z "${FLAGS_offset}" ]
-then
+if [ -z "${FLAGS_from}" -o -z "${FLAGS_to}" -o -z "${FLAGS_offset}" ]; then
   echo "You must define all of from, to and offset."
   exit 1
 fi
 
 # 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}`
 
 function do_cleanup {
@@ skipping 15 matching lines @@
 echo "Writing kernel to ${FLAGS_to} at ${FLAGS_offset}..."
 sudo "${SCRIPTS_DIR}"/file_copy.py \
   if=/tmp/kernel_fetch.$$/boot/vmlinux.uimg \
   of="${FLAGS_to}" \
   seek_bytes="${FLAGS_offset}"
 echo "Done."
 
 do_cleanup
 
 trap - EXIT