Add Build Timer

build_image

 #!/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 build a bootable keyfob-based chromeos system image from within
 # a chromiumos setup. This assumes that all needed packages have been built into
 # the given target's root with binary packages turned on. This script will
 # build the Chrome OS image using only pre-built binary packages.
@@ skipping 120 matching lines @@
   if [[ $FLAGS_replace -eq $FLAGS_TRUE ]]; then
     sudo rm -rf "$OUTPUT_DIR"
   else
     echo "Directory $OUTPUT_DIR already exists."
     echo "Use --build_attempt option to specify an unused attempt."
     echo "Or use --replace if you want to overwrite this directory."
     exit 1
   fi
 fi
 
-# Be verbose to help debug failures.
-set -x
-
 # Create the output directory.
 mkdir -p "$OUTPUT_DIR"
 
 cleanup_rootfs_loop() {
   sudo umount -d "$ROOT_FS_DIR"
 }
 
 cleanup_stateful_fs_loop() {
   sudo umount "${ROOT_FS_DIR}/usr/local"
   sudo umount "${ROOT_FS_DIR}/var"
@@ skipping 406 matching lines @@
 set +x
 
 echo "Done.  Image created in ${OUTPUT_DIR}"
 echo "Chromium OS image created as $PRISTINE_IMAGE_NAME"
 if [ "$FLAGS_recovery" -eq "$FLAGS_TRUE" ]; then
   echo "Recovery image created as $PRISTINE_IMAGE_NAME"
 fi
 if [ "$FLAGS_withdev" -eq "$FLAGS_TRUE" ]; then
   echo "Developer image created as $DEVELOPER_IMAGE_NAME"
 fi
+
+print_time_elapsed
+
 echo "To copy to USB keyfob, OUTSIDE the chroot, do something like:"
 echo "  ./image_to_usb.sh --from=${OUTSIDE_OUTPUT_DIR} --to=/dev/sdX"
 echo "To convert to VMWare image, OUTSIDE the chroot, do something like:"
 echo "  ./image_to_vmware.sh --from=${OUTSIDE_OUTPUT_DIR}"
 echo "from the scripts directory where you entered the chroot."