| #!/usr/bin/env python |
| |
| # Copyright 2016 gRPC authors. |
| # |
| # 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 ast |
| import os |
| import re |
| import subprocess |
| import sys |
| |
| os.chdir(os.path.join(os.path.dirname(sys.argv[0]), '../../..')) |
| |
| git_hash_pattern = re.compile('[0-9a-f]{40}') |
| |
| # Parse git hashes from submodules |
| git_submodules = subprocess.check_output( |
| 'git submodule', shell=True).strip().split('\n') |
| git_submodule_hashes = { |
| re.search(git_hash_pattern, s).group() |
| for s in git_submodules |
| } |
| |
| # Parse git hashes from Bazel WORKSPACE {new_}http_archive rules |
| with open('WORKSPACE', 'r') as f: |
| workspace_rules = [expr.value for expr in ast.parse(f.read()).body] |
| |
| http_archive_rules = [ |
| rule for rule in workspace_rules if rule.func.id.endswith('http_archive') |
| ] |
| archive_urls = [ |
| kw.value.s for rule in http_archive_rules for kw in rule.keywords |
| if kw.arg == 'url' |
| ] |
| workspace_git_hashes = { |
| re.search(git_hash_pattern, url).group() |
| for url in archive_urls |
| } |
| |
| # Validate the equivalence of the git submodules and Bazel git dependencies. The |
| # condition we impose is that there is a git submodule for every dependency in |
| # the workspace, but not necessarily conversely. E.g. Bloaty is a dependency |
| # not used by any of the targets built by Bazel. |
| if len(workspace_git_hashes - git_submodule_hashes) > 0: |
| print( |
| "Found discrepancies between git submodules and Bazel WORKSPACE dependencies" |
| ) |
| sys.exit(1) |
| |
| sys.exit(0) |