Factory Installer.

src/platform/factory_installer/factory_install.sh

+#!/bin/sh -e
+
+# 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.
+
+. "$(dirname "$0")/chromeos-common.sh"
+. "/opt/google/memento_updater/memento_updater_logging.sh"
+
+if [ $(id -u) -ne 0 ]; then
+  echo "You must run this as root."
+  exit 1
+fi
+
+# If we get in a respawn loop, sleeping for 1 minute before starting is nice.
+sleep 60
+
+# TODO(adlr): pick an install device in a matter that works on x86 and ARM.
+# This works on x86 only, afaik.
+DST=/dev/sda
+DST_FACTORY_PART=3
+DST_RELEASE_PART=5
+
+log "Factory Install: Setting partition table"
+
+/usr/sbin/chromeos-install --dst "${DST}" --skip_rootfs --run_as_root --yes \
+  2>&1 | cat >> "$MEMENTO_AU_LOG"
+
+cleanup_loop() {
+  sleep 1  # TODO(adlr): figure out why this sleep seems to be required
+  losetup -d "$LOOP_DEV" 2>&1 | cat >> "$MEMENTO_AU_LOG"
+}
+
+# Call as: setup_loop loop_dev device partition#
+setup_loop() {
+  OFFSET=$(partsize "$2" "$3")
+  losetup -o "$OFFSET" "$1" "$2" 2>&1 | cat >> "$MEMENTO_AU_LOG"
+}
+
+# Install the two partitions
+for i in FACTORY RELEASE; do
+  PART=$(eval "echo \$DST_${i}_PART")
+  if [ "$i" = "FACTORY" ]; then
+    CHANNEL_ARG='--force_track=factory-channel'
+  else
+    CHANNEL_ARG=""
+  fi
+  
+  LOOP_DEV=$(losetup -f)
+  setup_loop "$LOOP_DEV" "$DST" "$PART" || exit 1
+  trap cleanup_loop INT TERM EXIT
+
+  log "Factory Install: Installing $i partition to $PART"
+
+  RESULT="$(/opt/google/memento_updater/memento_updater.sh --dst_partition \
+    "${DST}${PART}" --allow_removable_boot $CHANNEL_ARG)"
+
+  if [ "$RESULT" != "UPDATED" ]; then
+    log "Factory Install: AU failed"
+    exit 1
+  fi
+  cleanup_loop
+  trap - INT TERM EXIT
+done
+
+log "All done installing."
+
+shutdown -r now
+sleep 1d  # sleep indefinitely to avoid respawning rather than shutting down