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# -*- coding: utf-8 -*-
# Copyright 2019 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.
"""Helper module to determine whether a script is executed inside the chroot."""
from __future__ import print_function
import os
def VerifyOutsideChroot():
"""Checks whether the script invoked was executed in the chroot.
Raises:
AssertionError: The script was run inside the chroot.
"""
chroot_only_path = '/mnt/host/depot_tools'
in_chroot_err_message = 'Script should be run outside the chroot.'
assert not os.path.isdir(chroot_only_path), in_chroot_err_message
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