#!/bin/bash

# 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.

SCRIPT_ROOT=$(readlink -f $(dirname "$0")/..)
. "${SCRIPT_ROOT}/common.sh" || exit 1

# We're invoked only by build_image, which runs in the chroot
assert_inside_chroot

# Flags
DEFINE_string root ""      \
  "The root file system to check."

# Parse command line
FLAGS "$@" || exit 1
eval set -- "${FLAGS_ARGV}"

# Die on any errors
switch_to_strict_mode

# Check all parts of a pipe
set -o pipefail

ROOT="$FLAGS_root"
if [[ ! -d "$ROOT" ]]; then
  die_notrace "Root FS does not exist ($ROOT)"
fi

ROOT_BINARIES=(
  /boot/vmlinuz
  /bin/sed
)

EXITCODE=0
for i in "${BINARIES[@]}"; do
  i="${ROOT}${i}"
  if ! [[ -f $i ]]; then
    error "cannot find $i"
    EXITCODE=1
  fi
done

exit $EXITCODE