drivers/gpu/drm/ci/check-patch.py

   1 #!/usr/bin/env python3
   2 # SPDX-License-Identifier: GPL-2.0-or-later
   3 #
   4 # check-patch.py: run checkpatch.pl across all commits in a branch
   5 #
   6 # Based on qemu/.gitlab-ci.d/check-patch.py
   7 #
   8 # Copyright (C) 2020 Red Hat, Inc.
   9 # Copyright (C) 2022 Collabora Ltd.
  10
  11 import os
  12 import os.path
  13 import sys
  14 import subprocess
  15
  16 repourl = "https://gitlab.freedesktop.org/%s.git" % os.environ["CI_MERGE_REQUEST_PROJECT_PATH"]
  17
  18 # GitLab CI environment does not give us any direct info about the
  19 # base for the user's branch. We thus need to figure out a common
  20 # ancestor between the user's branch and current git master.
  21 os.environ["GIT_DEPTH"] = "1000"
  22 subprocess.call(["git", "remote", "remove", "check-patch"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
  23 subprocess.check_call(["git", "remote", "add", "check-patch", repourl])
  24 subprocess.check_call(["git", "fetch", "check-patch", os.environ["CI_MERGE_REQUEST_TARGET_BRANCH_NAME"]],
  25                       stdout=subprocess.DEVNULL,
  26                       stderr=subprocess.DEVNULL)
  27
  28 ancestor = subprocess.check_output(["git", "merge-base",
  29                                     "check-patch/%s" % os.environ["CI_MERGE_REQUEST_TARGET_BRANCH_NAME"], "HEAD"],
  30                                    universal_newlines=True)
  31
  32 ancestor = ancestor.strip()
  33
  34 log = subprocess.check_output(["git", "log", "--format=%H %s",
  35                                ancestor + "..."],
  36                               universal_newlines=True)
  37
  38 subprocess.check_call(["git", "remote", "rm", "check-patch"])
  39
  40 if log == "":
  41     print("\nNo commits since %s, skipping checks\n" % ancestor)
  42     sys.exit(0)
  43
  44 errors = False
  45
  46 print("\nChecking all commits since %s...\n" % ancestor, flush=True)
  47
  48 ret = subprocess.run(["scripts/checkpatch.pl",
  49                       "--terse",
  50                       "--types", os.environ["CHECKPATCH_TYPES"],
  51                       "--git", ancestor + "..."])
  52
  53 if ret.returncode != 0:
  54     print("    ❌ FAIL one or more commits failed scripts/checkpatch.pl")
  55     sys.exit(1)
  56
  57 sys.exit(0)