Clean var formatting in mod_for_factory

mod_for_factory_scripts/200patchInitScript

 #!/bin/bash
 
 # 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.
 
 echo "Applying patch to init scripts."
 
-touch ${ROOT_FS_DIR}/root/.factory_test
-patch -d ${ROOT_FS_DIR} -Np1 <<EOF
+touch "${ROOT_FS_DIR}/root/.factory_test"
+patch -d "${ROOT_FS_DIR}" -Np1 <<EOF
 --- old/etc/init/ui.conf        2010-04-28 21:28:38.886069000 -0700
 +++ new/etc/init/ui.conf        2010-04-28 21:29:42.676163000 -0700
 @@ -5,7 +5,7 @@
  description   "Chrome OS user interface"
  author        "chromium-os-dev@googlegroups.com"
  
 -start on stopping startup
 +start on never
  stop on starting halt or starting reboot
  
  respawn
 EOF
 
-patch -d ${ROOT_FS_DIR} -Np1 <<EOF
+patch -d "${ROOT_FS_DIR}" -Np1 <<EOF
 diff -Naur old/etc/init/dump-boot-stats.conf new/etc/init/dump-boot-stats.conf
 --- old/etc/init/boot-complete.conf     2010-07-21 11:22:30.000000000 +0800
 +++ new/etc/init/boot-complete.conf     2010-07-21 22:13:36.000000000 +0800
 @@ -7,7 +7,7 @@
  # Processing required during boot after login prompt is displayed.
  # Primarily, this means calculating boot time statistics.
  
 -start on login-prompt-ready
 +start on stopping startup
  
  task
 EOF
 
-cat > ${ROOT_FS_DIR}/etc/init/factory.conf <<EOF
+cat >"${ROOT_FS_DIR}/etc/init/factory.conf" <<EOF
 # 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.
 
 description   "Chrome OS factory startup stub"
 author        "chromium-os-dev@googlegroups.com"
 
 start on started udev
 stop on starting halt or starting reboot
 
 script
 cd /usr/local/autotest
 eval \$(./site_tests/suite_Factory/startx.sh)
 date >> /var/log/factory.log
 if [ ! -e factory_started ]; then
   touch factory_started
   cp -f site_tests/suite_Factory/control .
   ./bin/autotest control >> /var/log/factory.log 2>&1
 else
   ./tools/autotest >> /var/log/factory.log 2>&1
 fi
 end script
 EOF
 
-cat > ${ROOT_FS_DIR}/etc/init/factorylog.conf <<EOF
+cat >"${ROOT_FS_DIR}/etc/init/factorylog.conf" <<EOF
 # 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.
 
 start on started factory
 stop on starting halt or starting reboot
 
 respawn
 script
 tail -n 48 -F /var/log/factory.log > /dev/tty3
 end script
 EOF
 
-patch -d ${ROOT_FS_DIR} -Np1 <<EOF
+patch -d "${ROOT_FS_DIR}" -Np1 <<EOF
 diff -Nau old/etc/init/chrontel.conf new/etc/init/
 --- old/etc/init/chrontel.conf  2010-08-05 16:32:55.000000000 -0700
 +++ new/etc/init/chrontel.conf  2010-08-05 16:32:45.000000000 -0700
 @@ -7,7 +7,7 @@
  
  # start as early as possible to allow login screen on hdmi
  # Need udev to have connected the i2c before we can use it
 -start on started udev
 +start on never
  stop on starting halt or starting reboot
  
  # sadly, these can't reference each other.
 EOF