#!/usr/bin/env python3# SPDX-License-Identifier: GPL-2.0-or-later## check-patch.py: run checkpatch.pl across all commits in a branch## Based on qemu/.gitlab-ci.d/check-patch.py## Copyright (C) 2020 Red Hat, Inc.# Copyright (C) 2022 Collabora Ltd. import osimport os.pathimport sysimport subprocess repourl = "https://gitlab.freedesktop.org/%s.git" % os.environ["CI_MERGE_REQUEST_PROJECT_PATH"] # GitLab CI environment does not give us any direct info about the# base for the user's branch. We thus need to figure out a common# ancestor between the user's branch and current git master.os.environ["GIT_DEPTH"] = "1000"subprocess.call(["git", "remote", "remove", "check-patch"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)subprocess.check_call(["git", "remote", "add", "check-patch", repourl])subprocess.check_call(["git", "fetch", "check-patch", os.environ["CI_MERGE_REQUEST_TARGET_BRANCH_NAME"]],                      stdout=subprocess.DEVNULL,                      stderr=subprocess.DEVNULL) ancestor = subprocess.check_output(["git", "merge-base",                                    "check-patch/%s" % os.environ["CI_MERGE_REQUEST_TARGET_BRANCH_NAME"], "HEAD"],                                   universal_newlines=True) ancestor = ancestor.strip() log = subprocess.check_output(["git", "log", "--format=%H %s",                               ancestor + "..."],                              universal_newlines=True) subprocess.check_call(["git", "remote", "rm", "check-patch"]) if log == "":    print("\nNo commits since %s, skipping checks\n" % ancestor)    sys.exit(0) errors = False print("\nChecking all commits since %s...\n" % ancestor, flush=True) ret = subprocess.run(["scripts/checkpatch.pl",                      "--terse",                      "--types", os.environ["CHECKPATCH_TYPES"],                      "--git", ancestor + "..."]) if ret.returncode != 0:    print("    ❌ FAIL one or more commits failed scripts/checkpatch.pl")    sys.exit(1) sys.exit(0)