oss-fuzz/infra/base-images/base-msan-builder/wrapper_utils.py

48 lines
1.4 KiB
Python

#!/usr/bin/env python
# Copyright 2017 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
################################################################################
from __future__ import print_function
import contextlib
import os
import subprocess
def DpkgHostArchitecture():
"""Return the host architecture."""
return subprocess.check_output(
['dpkg-architecture', '-qDEB_HOST_GNU_TYPE']).strip()
def InstallWrapper(bin_dir, name, contents, extra_names=None):
"""Install a custom wrapper script into |bin_dir|."""
path = os.path.join(bin_dir, name)
with open(path, 'w') as f:
f.write(contents)
os.chmod(path, 0755)
if extra_names:
CreateSymlinks(path, bin_dir, extra_names)
def CreateSymlinks(original_path, bin_dir, extra_names):
"""Create symlinks."""
for extra_name in extra_names:
extra_path = os.path.join(bin_dir, extra_name)
os.symlink(original_path, extra_path)