Install autotest client into usb drive and then to netbook harddrive.

src/scripts/image_to_usb.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 convert the output of build_image.sh to a usb image.
 
 # 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"
 
 IMAGES_DIR="${DEFAULT_BUILD_ROOT}/images"
 # Default to the most recent image
 DEFAULT_FROM="${IMAGES_DIR}/$(ls -t $IMAGES_DIR 2>&-| head -1)"
 
 # Script can be run either inside or outside the chroot.
 if [ $INSIDE_CHROOT -eq 1 ]
 then
   # Inside the chroot, so output to usb.img in the same dir as the other
   # images.
   DEFAULT_TO="${DEFAULT_FROM}/usb.img"
   DEFAULT_TO_HELP="Destination file for USB image."
+  AUTOTEST_SRC=/usr/local/autotest
 else
   # Outside the chroot, so output to the default device for a usb key.
   DEFAULT_TO="/dev/sdb"
   DEFAULT_TO_HELP="Destination device for USB keyfob."
+  AUTOTEST_SRC=${DEFAULT_CHROOT_DIR}/usr/local/autotest
 fi
 
 # Flags
 DEFINE_string from "$DEFAULT_FROM" \
   "Directory containing rootfs.image and mbr.image"
 DEFINE_string to "$DEFAULT_TO" "$DEFAULT_TO_HELP"
 DEFINE_boolean yes $FLAGS_FALSE "Answer yes to all prompts" "y"
+DEFINE_boolean install_autotest $FLAGS_FALSE \
+  "Whether to install autotest to the stateful partition."
 
 # Parse command line
 FLAGS "$@" || exit 1
 eval set -- "${FLAGS_ARGV}"
 
 # Die on any errors.
 set -e
 
 # Convert args to paths.  Need eval to un-quote the string so that shell
 # chars like ~ are processed; just doing FOO=`readlink -f $FOO` won't work.
 FLAGS_from=`eval readlink -f $FLAGS_from`
 FLAGS_to=`eval readlink -f $FLAGS_to`
 
 function do_cleanup {
   sudo losetup -d "$LOOP_DEV"
 }
 
+STATEFUL_DIR=${FLAGS_from}/stateful_partition
+mkdir -p "${STATEFUL_DIR}"
+
+function install_autotest {
+  if [ -d ${AUTOTEST_SRC} ]
+  then
+    echo -ne "Install autotest into stateful partition..."
+          local autotest_client="/home/autotest-client"
+    sudo mkdir -p "${STATEFUL_DIR}${autotest_client}"
+    sudo cp -fpru ${AUTOTEST_SRC}/client/* \
+            "${STATEFUL_DIR}${autotest_client}"
+    sudo chmod 755 "${STATEFUL_DIR}${autotest_client}"
+    sudo chown -R 1000:1000 "${STATEFUL_DIR}${autotest_client}"
+    echo "Done."
+    sudo umount "${STATEFUL_DIR}"
+  else
+    echo "/usr/local/autotest under ${DEFAULT_CHROOT_DIR} is not installed."
+    echo "Please call make_autotest.sh inside chroot first."
+    sudo umount "${STATEFUL_DIR}"
+    exit -1
+  fi
+}
+
 # Copy MBR and rootfs to output image
 if [ -b "$FLAGS_to" ]
 then
   # Output to a block device (i.e., a real USB key), so need sudo dd
   echo "Copying USB image ${FLAGS_from} to device ${FLAGS_to}..."
 
   # Warn if it looks like they supplied a partition as the destination.
   if echo $FLAGS_to | grep -q '[0-9]$'; then
     drive=$(echo $FLAGS_to | sed -re 's/[0-9]+$//')
     if [ -b "$drive" ]; then
@@ skipping 40 matching lines @@
   then
     echo "No free loop device. Free up a loop device or reboot. exiting."
     exit 1
   fi
 
   trap do_cleanup EXIT
 
   echo "Creating stateful partition..."
   sudo losetup -o 512 "$LOOP_DEV" "$FLAGS_to"
   sudo mkfs.ext3 -F -b 4096 -L C-STATE "$LOOP_DEV" $(( $PART_SIZE / 4096 ))
+  if [ $FLAGS_install_autotest -eq $FLAGS_TRUE ]
+  then
+    sudo mount "${LOOP_DEV}" "${STATEFUL_DIR}"
+    install_autotest
+  fi
   sync
   sudo losetup -d "$LOOP_DEV"
   sync
 
   trap - EXIT
 
   echo "Copying MBR..."
   sudo "${SCRIPTS_DIR}"/file_copy.py \
     if="${FLAGS_from}/mbr.image" of="$FLAGS_to"
   sync
   echo "Done."
 else
   # Output to a file, so just cat the source images together
 
   PART_SIZE=$(stat -c%s "${FLAGS_from}/rootfs.image")
 
   echo "Creating empty stateful partition"
   dd if=/dev/zero of="${FLAGS_from}/stateful_partition.image" bs=1 count=1 \
       seek=$(($PART_SIZE - 1))
   mkfs.ext3 -F -L C-STATE "${FLAGS_from}/stateful_partition.image"
 
+  if [ $FLAGS_install_autotest -eq $FLAGS_TRUE ]
+  then
+    sudo mount -o loop "${FLAGS_from}/stateful_partition.image" \
+      "${STATEFUL_DIR}"
+    install_autotest
+  fi
+
   # Create a sparse output file
   dd if=/dev/zero of="${FLAGS_to}" bs=1 count=1 \
       seek=$(( ($PART_SIZE * 2) + 512 - 1))
 
   echo "Copying USB image to file ${FLAGS_to}..."
 
   dd if="${FLAGS_from}/mbr.image" of="$FLAGS_to" conv=notrunc
   dd if="${FLAGS_from}/stateful_partition.image" of="$FLAGS_to" seek=1 bs=512 \
       conv=notrunc
   cat "${FLAGS_from}/rootfs.image" >> "$FLAGS_to"
 
   echo "Done.  To copy to USB keyfob, outside the chroot, do something like:"
   echo "   sudo dd if=${FLAGS_to} of=/dev/sdb bs=4M"
   echo "where /dev/sdb is the entire keyfob."
   if [ $INSIDE_CHROOT -eq 1 ]
   then
     echo "NOTE: Since you are currently inside the chroot, and you'll need to"
     echo "run dd outside the chroot, the path to the USB image will be"
     echo "different (ex: ~/chromeos/trunk/src/build/images/SOME_DIR/usb.img)."
   fi
 fi