1#!/usr/bin/env python
2#
3# Copyright 2019, The Android Open Source Project
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#     http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16
17import subprocess
18
19def has_chassis_changes(sha):
20    if sha is None:
21        return True
22
23    result = subprocess.Popen(['git', 'diff-tree', '--no-commit-id', '--name-only', '-r', sha],
24                              stdout=subprocess.PIPE, stderr=subprocess.PIPE)
25    stdout, stderr = result.communicate()
26
27    if result.returncode != 0:
28        raise Exception("Git error: "+str(stdout)+str(stderr))
29
30    return 'car-ui-lib' in str(stdout)
31