minor fix to image_to_live.sh.

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.
 
 . "$(dirname $0)/common.sh"
 . "$(dirname $0)/remote_access.sh"
 
 DEFINE_boolean ignore_version ${FLAGS_TRUE} \
   "Ignore existing version on running instance and always update"
 DEFINE_boolean ignore_hostname ${FLAGS_TRUE} \
   "Ignore existing AU hostname on running instance use this hostname"
 DEFINE_boolean update_known_hosts ${FLAGS_FALSE} \
   "Update your known_hosts with the new remote instance's key"
 
 function kill_all_devservers {
   # Using ! here to avoid exiting with set -e is insufficient, so use
   # || true instead.
-  pkill -f 'python devserver.py' || true
+  pkill -fx ".*devserver\.py" || true
 }
 
 function cleanup {
+  echo "Killing dev server."
   kill_all_devservers
   rm -rf "${TMP}"
 }
 
 function remote_reboot_sh {
   rm -f "${TMP_KNOWN_HOSTS}"
   remote_sh "$@"
 }
 
 function start_dev_server {
   kill_all_devservers
-  sudo -v
   ./enter_chroot.sh "cd ../platform/dev; ./start-devserver.sh>/dev/null 2>&1" &
   echo -n "Waiting on devserver to start"
   until netstat -anp 2>&1 | grep 8080 > /dev/null; do
     sleep .5
     echo -n "."
   done
   echo ""
 }
 
 function prepare_update_metadata {
@@ skipping 53 matching lines @@
     then
       echo "Autoupdate was successful."
       update_error=0
     fi
     if grep -q 'Memento AutoUpdate terminating' "${output_file}"; then
       break
     fi
     # Sleep for a while so that ssh handling doesn't slow down the install
     sleep 2
   done
-  
+
   return ${update_error}
 }
 
 function remote_reboot {
   echo "Rebooting."
   remote_sh "touch /tmp/awaiting_reboot; reboot"
   local output_file
   output_file="${TMP}/output"
 
   while true; do
     REMOTE_OUT=""
-    # This may fail while the machine is done so generate output and a 
+    # This may fail while the machine is down so generate output and a
     # boolean result to distinguish between down/timeout and real failure
     ! remote_sh_allow_changed_host_key \
       "echo 0; [ -e /tmp/awaiting_reboot ] && echo '1'; true"
     echo "${REMOTE_OUT}" > "${output_file}"
     if grep -q "0" "${output_file}"; then
       if grep -q "1" "${output_file}"; then
         echo "Not yet rebooted"
       else
         echo "Rebooted and responding"
         break
@@ skipping 42 matching lines @@
     cp "${known_hosts}" "${known_hosts}~"
     grep -v "^${FLAGS_remote} " "${known_hosts}" > "${TMP}/new_known_hosts"
     cat "${TMP}/new_known_hosts" "${TMP_KNOWN_HOSTS}" > "${known_hosts}"
     chmod 0640 "${known_hosts}"
     echo "New updated in ${known_hosts}, backup made."
   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 $@