Add legacy fixup for diskimg

make_factory_package.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 generate a factory install partition set and miniomaha.conf
 # file from a release image and a factory image. This creates a server
 # configuration that can be installed using a factory install shim.
 #
@@ skipping 172 matching lines @@
 if image_has_part_tools; then
   IMAGE_IS_UNPACKED=
 else
   #TODO(hungte) Currently we run unpack_partitions.sh if part_tools are not
   # found. If the format of unpack_partitions.sh is reliable, we can prevent
   # creating temporary files. See image_part_offset for more information.
   echo "WARNING: cannot find partition tools. Using unpack_partitions.sh." >&2
   IMAGE_IS_UNPACKED=1
 fi
 
+mount_esp() {
+  local image="$1"
+  local esp_mountpoint="$2"
+  offset=$(partoffset "${image}" 12)
+  sudo mount -o loop,offset=$(( offset * 512 )) \
+      "${image}" "${esp_mountpoint}"
+  ESP_MOUNT="${esp_mountpoint}"
+}
+
+umount_esp() {
+  if [ -n "${ESP_MOUNT}" ]; then
+    sudo umount "${ESP_MOUNT}"
+  fi
+}
+
 generate_img() {
   local outdev="$FLAGS_diskimg"
   local sectors="$FLAGS_sectors"
 
   prepare_img
 
   # Get the release image.
   pushd "${RELEASE_DIR}" >/dev/null
 
   echo "Release Kernel"
   image_partition_copy "${RELEASE_IMAGE}" 2 "${outdev}" 4
-
   echo "Release Rootfs"
   image_partition_copy "${RELEASE_IMAGE}" 3 "${outdev}" 5
-
   echo "OEM parition"
   image_partition_copy "${RELEASE_IMAGE}" 8 "${outdev}" 8
 
   popd >/dev/null
 
   # Go to retrieve the factory test image.
   pushd "${FACTORY_DIR}" >/dev/null
 
   echo "Factory Kernel"
   image_partition_copy "${FACTORY_IMAGE}" 2 "${outdev}" 2
   echo "Factory Rootfs"
   image_partition_copy "${FACTORY_IMAGE}" 3 "${outdev}" 3
   echo "Factory Stateful"
   image_partition_copy "${FACTORY_IMAGE}" 1 "${outdev}" 1
   echo "EFI Partition"
   image_partition_copy "${FACTORY_IMAGE}" 12 "${outdev}" 12
 
+  # TODO(nsanders, wad): consolidate this code into some common code
+  # when cleaning up kernel commandlines. There is code that touches
+  # this in postint/chromeos-setimage and build_image. However none
+  # of the preexisting code actually does what we want here.
+  local tmpesp="$(mktemp -d)"
+  mount_esp "${outdev}" "${tmpesp}"
+
+  trap "umount_esp" EXIT
+
+  # Edit boot device default for legacy.
+  # Support both vboot and regular boot.
+  sudo sed -i "s/chromeos-usb.A/chromeos-hd.A/" \
+      "${tmpesp}"/syslinux/default.cfg
+  sudo sed -i "s/chromeos-vusb.A/chromeos-vhd.A/" \
+      "${tmpesp}"/syslinux/default.cfg
+
+  # Edit root fs default for legacy
+  # Somewhat safe as ARM does not support syslinux, I believe.
+  sudo sed -i "s'HDROOTA'/dev/sda3'g" "${tmpesp}"/syslinux/root.A.cfg
+
+  trap - EXIT
+
+  umount_esp
+
   echo "Generated Image at $outdev."
   echo "Done"
 }
 
 generate_omaha() {
   # Clean up stale config and data files.
   prepare_omaha
 
   # Get the release image.
   pushd "${RELEASE_DIR}" >/dev/null
@@ skipping 123 matching lines @@
 To run the server:
   python2.6 devserver.py --factory_config miniomaha.conf"
 }
 
 # Main
 if [ -n "$FLAGS_diskimg" ]; then
   generate_img
 else
   generate_omaha
 fi