#!/usr/bin/env python3 | |
# Copyright 2019 The Fuchsia Authors. All rights reserved. | |
# Use of this source code is governed by a BSD-style license that can be | |
# found in the LICENSE file. | |
""" Provides OS environment utility functionality. """ | |
import os | |
def get_fuchsia_root(): | |
"""Returns the fuchsia the from the environment.""" | |
fuchsia_dir = os.environ.get("FUCHSIA_DIR") | |
if not os.path.exists(fuchsia_dir): | |
return None | |
if not fuchsia_dir.endswith("/"): | |
fuchsia_dir += "/" | |
return fuchsia_dir |