1#!/usr/bin/env python3 2# 3# check-patch.py: run checkpatch.pl across all commits in a branch 4# 5# Copyright (C) 2020 Red Hat, Inc. 6# 7# SPDX-License-Identifier: GPL-2.0-or-later 8 9# This file is taken from qemu.git 029e13a8a56a2 .gitlab-ci.d/check-patch.py 10# with minor changes to adjust namespace and checkpatch.pl invocation. 11 12import os 13import os.path 14import sys 15import subprocess 16 17namespace = "kvm-unit-tests" 18if len(sys.argv) >= 2: 19 namespace = sys.argv[1] 20 21cwd = os.getcwd() 22reponame = os.path.basename(cwd) 23repourl = "https://gitlab.com/%s/%s.git" % (namespace, reponame) 24 25# GitLab CI environment does not give us any direct info about the 26# base for the user's branch. We thus need to figure out a common 27# ancestor between the user's branch and current git master. 28subprocess.check_call(["git", "remote", "add", "check-patch", repourl]) 29subprocess.check_call(["git", "fetch", "check-patch", "master"]) 30 31# stdout=subprocess.DEVNULL, 32# stderr=subprocess.DEVNULL) 33 34ancestor = subprocess.check_output(["git", "merge-base", 35 "check-patch/master", "HEAD"], 36 universal_newlines=True) 37 38ancestor = ancestor.strip() 39 40log = subprocess.check_output(["git", "log", "--format=%H %s", 41 ancestor + "..."], 42 universal_newlines=True) 43 44subprocess.check_call(["git", "remote", "rm", "check-patch"]) 45 46if log == "": 47 print("\nNo commits since %s, skipping checks\n" % ancestor) 48 sys.exit(0) 49 50errors = False 51 52print("\nChecking all commits since %s...\n" % ancestor, flush=True) 53 54ret = subprocess.run(["scripts/checkpatch.pl", "--terse", "--no-tree", "--git", 55 ancestor + "..."]) 56 57if ret.returncode != 0: 58 print(" ❌ FAIL one or more commits failed scripts/checkpatch.pl") 59 sys.exit(1) 60 61sys.exit(0) 62