Snap for 8426163 from b75f321fc8978b92ce3db6886ccb966768f0c7a8 to mainline-tzdata2-releaseandroid-mainline-12.0.0_r112aml_tz2_305400500aml_tz2_305400300aml_tz2_305400100aml_tz2_304500300aml_tz2_303900110aml_tz2_303900102aml_tz2_303800002aml_tz2_303800001aml_tz2_303200001android12-mainline-tzdata2-releaseaml_tz2_305400100

Change-Id: If223f5dd2285da8941d62bcf5daf8e53ec9908ad

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