Enhance image_to_live script to really wait till dev server is up and running.

src/scripts/image_to_live.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 update an image onto a live running ChromiumOS instance.
 
 # Load common constants.  This should be the first executable line.
 # The path to common.sh should be relative to your script's location.
@@ skipping 32 matching lines @@
 
 function start_dev_server {
   kill_all_devservers
   if [ ${FLAGS_verbose} -eq ${FLAGS_FALSE} ]; then
     ./enter_chroot.sh "sudo ./start_devserver ${FLAGS_devserver_port} \
          > dev_server.log 2>&1" &
   else
     ./enter_chroot.sh "sudo ./start_devserver ${FLAGS_devserver_port}" &
   fi
   echo -n "Waiting on devserver to start"
-  until netstat -anp 2>&1 | grep ${FLAGS_devserver_port} > /dev/null; do
+  until netstat -anp 2>&1 | grep 0.0.0.0:${FLAGS_devserver_port} > /dev/null
+  do
     sleep .5
     echo -n "."
   done
   echo ""
 }
 
 # Copys stateful update script which fetches the newest stateful update
 # from the dev server and prepares the update. chromeos_startup finishes
 # the update on next boot.
 function copy_stateful_update {
@@ skipping 149 matching lines @@
   fi
 
   remote_sh "grep ^CHROMEOS_RELEASE_DESCRIPTION= /etc/lsb-release"
   local release_description=$(echo $REMOTE_OUT | cut -d '=' -f 2)
   echo "Update was successful and rebooted to $release_description"
 
   return 0
 }
 
 main $@