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

bin/cros_overlay_list

 #!/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.
 
 # This script generates the list of board overlays and variants.
 
+# --- 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 scripts
+# /usr/lib/crosutils.  Outside the chroot we find it relative to the script's
 # location.
-common_paths="/usr/lib/crosutils $(dirname "$0")/.."
+find_common_sh() {
+  local common_paths=(/usr/lib/crosutils "$(dirname "$(readlink -f "$0")")/..")
+  local path
 
-for path in ${common_paths} ; do
-  if [ -f "${path}/common.sh" ] ; then
-    COMMON_SH="${path}/common.sh"
-    break
-  fi
-done
+  SCRIPT_ROOT=
+  for path in "${common_paths[@]}"; do
+    if [ -r "${path}/common.sh" ]; then
+      SCRIPT_ROOT=${path}
+      break
+    fi
+  done
+}
 
-if [ -z "${COMMON_SH}" ] ; then
-  error "common.sh not found in search path (${common_paths})"
-  exit 1
-fi
-
-. "${COMMON_SH}"
+find_common_sh
+. "${SCRIPT_ROOT}/common.sh" || (echo "Unable to load common.sh" && exit 1)
+# --- END COMMON.SH BOILERPLATE ---
 
 get_default_board
 
 # Flags
 DEFINE_string board "$DEFAULT_BOARD" "The name of the board to set up."
 DEFINE_string board_overlay "" "Location of the board overlay."
 DEFINE_boolean primary_only ${FLAGS_FALSE} \
   "Only return the path to the board's primary overlay. (Default: false)"
 DEFINE_string variant "" "Board variant."
 
@@ skipping 112 matching lines @@
     fi
   fi
 fi
 
 #
 # Finally, add in any user requested board overlays.
 #
 if [ -d "${FLAGS_board_overlay}" ] ; then
   echo "${FLAGS_board_overlay}"
 fi