Check in tofactory script.

scripts/image_signing/make_dev_firmware.sh

 #!/bin/sh
 #
 # 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 can change key (usually developer keys) in a firmware binary
 # image or system live firmware (EEPROM), and assign proper HWID, BMPFV as well.
 
 SCRIPT_BASE="$(dirname "$0")"
 . "$SCRIPT_BASE/common.sh"
 load_shflags || exit 1
 
 # Constants used by DEFINE_*
 VBOOT_BASE='/usr/share/vboot'
 DEFAULT_KEYS_FOLDER="$VBOOT_BASE/devkeys"
 DEFAULT_BMPFV_FILE="$DEFAULT_KEYS_FOLDER/firmware_bmpfv.bin"
 DEFAULT_BACKUP_FOLDER='/mnt/stateful_partition/backups'
 
 # DEFINE_string name default_value description flag
 DEFINE_string from "" "Path of input file (empty for system live firmware)" "f"
 DEFINE_string to "" "Path of output file (empty for system live firmware)" "t"
 DEFINE_string keys "$DEFAULT_KEYS_FOLDER" "Path to folder of dev keys" "k"
 DEFINE_string bmpfv "$DEFAULT_BMPFV_FILE" "Path to the new bitmap FV" ""
 DEFINE_boolean force_backup \
   $FLAGS_TRUE "Create backup even if source is not live" ""
 DEFINE_string backup_dir \
   "$DEFAULT_BACKUP_FOLDER" "Path of directory to store firmware backups" ""
-DEFINE_boolean debug $FLAGS_FALSE "Provide debug messages" "d"
 
 # Parse command line
 FLAGS "$@" || exit 1
 eval set -- "$FLAGS_ARGV"
 
 # Globals
 # ----------------------------------------------------------------------------
 set -e
 
 # the image we are (temporary) working with
 IMAGE="$(make_temp_file)"
 
 # a log file to keep the output results of executed command
 EXEC_LOG="$(make_temp_file)"
 
 # Functions
 # ----------------------------------------------------------------------------
-# Reports error message and exit(1)
-err_die() {
-  echo "ERROR: $*" 1>&2
-  exit 1
-}
-
-# Returns true if we're running in debug mode
-is_debug_mode() {
-  [ "$FLAGS_debug" = $FLAGS_TRUE ]
-}
-
-# Prints messages (in parameters) in debug mode
-debug_msg() {
-  if is_debug_mode; then
-    echo "DEBUG: $*" 1>&2
-  fi
-}
 
 # Reads $IMAGE from $FLAGS_from
 read_image() {
   if [ -z "$FLAGS_from" ]; then
     echo "Reading system live firmware..."
     if is_debug_mode; then
       flashrom -V -r "$IMAGE"
     else
       flashrom -r "$IMAGE" >"$EXEC_LOG" 2>&1
     fi
@@ skipping 158 matching lines @@
 
   debug_msg "Complete."
   if [ -z "$FLAGS_to" ]; then
     echo "Successfully changed firmware to Developer Keys. New HWID: $new_hwid"
   else
     echo "Firmware '$FLAGS_to' now uses Developer Keys. New HWID: $new_hwid"
   fi
 }
 
 main