1#!/usr/bin/env python3 2# Copyright 2017 gRPC authors. 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15 16import argparse 17import multiprocessing 18import os 19import subprocess 20import sys 21 22sys.path.append( 23 os.path.join( 24 os.path.dirname(sys.argv[0]), "..", "run_tests", "python_utils" 25 ) 26) 27import jobset 28 29clang_tidy = os.environ.get("CLANG_TIDY", "clang-tidy") 30 31argp = argparse.ArgumentParser(description="Run clang-tidy against core") 32argp.add_argument("files", nargs="+", help="Files to tidy") 33argp.add_argument("--fix", dest="fix", action="store_true") 34argp.add_argument( 35 "-j", 36 "--jobs", 37 type=int, 38 default=multiprocessing.cpu_count(), 39 help="Number of CPUs to use", 40) 41argp.add_argument("--only-changed", dest="only_changed", action="store_true") 42argp.set_defaults(fix=False, only_changed=False) 43args = argp.parse_args() 44 45# Explicitly passing the .clang-tidy config by reading it. 46# This is required because source files in the compilation database are 47# in a different source tree so clang-tidy cannot find the right config file 48# by seeking their parent directories. 49with open(".clang-tidy") as f: 50 config = f.read() 51cmdline = [ 52 clang_tidy, 53 "--config=" + config, 54] 55 56if args.fix: 57 cmdline.append("--fix-errors") 58 59if args.only_changed: 60 orig_files = set(args.files) 61 actual_files = [] 62 output = subprocess.check_output( 63 ["git", "diff", "upstream/master", "HEAD", "--name-only"] 64 ) 65 for line in output.decode("ascii").splitlines(False): 66 if line in orig_files: 67 print(("check: %s" % line)) 68 actual_files.append(line) 69 else: 70 print(("skip: %s - not in the build" % line)) 71 args.files = actual_files 72 73jobs = [] 74for filename in args.files: 75 jobs.append( 76 jobset.JobSpec( 77 cmdline + [filename], 78 shortname=filename, 79 timeout_seconds=15 * 60, 80 ) 81 ) 82 83num_fails, res_set = jobset.run(jobs, maxjobs=args.jobs, quiet_success=True) 84sys.exit(num_fails) 85