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Diffstat (limited to 'llvm_tools/assert_not_in_chroot.py')
-rw-r--r-- | llvm_tools/assert_not_in_chroot.py | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/llvm_tools/assert_not_in_chroot.py b/llvm_tools/assert_not_in_chroot.py new file mode 100644 index 00000000..6b78d95c --- /dev/null +++ b/llvm_tools/assert_not_in_chroot.py @@ -0,0 +1,24 @@ +# -*- 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 |