xref: /openbmc/qemu/.gitlab-ci.d/check-patch.py (revision 7d87775f)
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
9import os
10import os.path
11import sys
12import subprocess
13
14namespace = "qemu-project"
15if len(sys.argv) >= 2:
16    namespace = sys.argv[1]
17
18cwd = os.getcwd()
19reponame = os.path.basename(cwd)
20repourl = "https://gitlab.com/%s/%s.git" % (namespace, reponame)
21
22print(f"adding upstream git repo @ {repourl}")
23# GitLab CI environment does not give us any direct info about the
24# base for the user's branch. We thus need to figure out a common
25# ancestor between the user's branch and current git master.
26subprocess.check_call(["git", "remote", "add", "check-patch", repourl])
27subprocess.check_call(["git", "fetch", "check-patch", "master"])
28
29ancestor = subprocess.check_output(["git", "merge-base",
30                                    "check-patch/master", "HEAD"],
31                                   universal_newlines=True)
32
33ancestor = ancestor.strip()
34
35log = subprocess.check_output(["git", "log", "--format=%H %s",
36                               ancestor + "..."],
37                              universal_newlines=True)
38
39subprocess.check_call(["git", "remote", "rm", "check-patch"])
40
41if log == "":
42    print("\nNo commits since %s, skipping checks\n" % ancestor)
43    sys.exit(0)
44
45errors = False
46
47print("\nChecking all commits since %s...\n" % ancestor, flush=True)
48
49ret = subprocess.run(["scripts/checkpatch.pl", "--terse", ancestor + "..."])
50
51if ret.returncode != 0:
52    print("    ❌ FAIL one or more commits failed scripts/checkpatch.pl")
53    sys.exit(1)
54
55sys.exit(0)
56