installer/chromeos-postinst

#!/bin/sh

# Copyright (c) 2012 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.

# This script is called after an AutoUpdate or USB install. This script is a
# simple wrapper to convert from the hardcoded command line to the new
# executable command line.

INSTALL_ROOT=$(dirname "$0")

# Set up the mount points userland needs/expects.
MOUNTS="/proc /dev /sys /tmp /run /var /mnt"

cleanup() {
  local d
  for d in ${MOUNTS}; do
    umount -lf "./${d}" || :
  done
}

main() {
  cd "${INSTALL_ROOT}" || exit 1

  trap cleanup EXIT

  local d
  for d in ${MOUNTS}; do
    mount -n --bind "${d}" "./${d}"
  done

  chroot . /usr/bin/cros_installer postinst "/" "$@"
}
main "$@"