make_factory_package: allow calling from outside the chroot

make_factory_package.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 generate a factory install partition set and miniomaha.conf
 # file from a release image and a factory image. This creates a server
 # configuration that can be installed using a factory install shim.
 #
@@ skipping 14 matching lines @@
       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 ---
 
-# Need to be inside the chroot to load chromeos-common.sh
-assert_inside_chroot
-
 # Load functions and constants for chromeos-install
-. "/usr/lib/installer/chromeos-common.sh" || \
+# NOTE: This script needs to be called from outside the chroot.
+. "/usr/lib/installer/chromeos-common.sh" &> /dev/null || \
+. "${SRC_ROOT}/platform/installer/chromeos-common.sh" || \
   die "Unable to load /usr/lib/installer/chromeos-common.sh"
 
 # Load functions designed for image processing
 . "${SCRIPT_ROOT}/lib/cros_image_common.sh" ||
   die "Cannot load required library: lib/cros_image_common.sh; Abort."
 
 get_default_board
 
 # Flags
 DEFINE_string board "${DEFAULT_BOARD}" "Board for which the image was built"
@@ skipping 367 matching lines @@
 To run the server:
   python2.6 devserver.py --factory_config miniomaha.conf"
 }
 
 # Main
 if [ -n "$FLAGS_diskimg" ]; then
   generate_img
 else
   generate_omaha
 fi