gitlab-ci: add scripts/checkpatch.pl

Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>

2 files changed, 59 insertions, 0 deletions

diff --git a/.gitlab-ci.d/check-patch.py b/.gitlab-ci.d/check-patch.py
new file mode 100755
index 000000000000..9cf16ebdafdc
--- /dev/null
+++ b/.gitlab-ci.d/check-patch.py
@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+#
+# check-patch.py: run checkpatch.pl across all commits in a branch
+#
+# Copyright (C) 2020 Red Hat, Inc.
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+import os
+import os.path
+import sys
+import subprocess
+
+namespace = "linux-bsp"
+if len(sys.argv) >= 2:
+    namespace = sys.argv[1]
+
+cwd = os.getcwd()
+reponame = os.path.basename(cwd)
+repourl = "https://gitlab.int.toradex.com/rd/%s/%s.git" % (namespace, reponame)
+masterbranch = "toradex_5.4.y"
+
+# 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.
+subprocess.check_call(["git", "remote", "add", "check-patch", repourl])
+subprocess.check_call(["git", "fetch", "check-patch", masterbranch],
+                      stdout=subprocess.DEVNULL,
+                      stderr=subprocess.DEVNULL)
+
+ancestor = subprocess.check_output(["git", "merge-base",
+                                    "check-patch/" + masterbranch, "HEAD"],
+                                    universal_newlines=True)
+
+ancestor = ancestor.strip()
+
+subprocess.check_call(["git", "remote", "rm", "check-patch"])
+
+errors = False
+
+print("\nChecking all commits since %s...\n" % ancestor)
+
+ret = subprocess.run(["scripts/checkpatch.pl", "-g", ancestor + "..."])
+
+if ret.returncode != 0:
+    print(ret)
+    print("    ❌ FAIL one or more commits failed scripts/checkpatch.pl")
+    sys.exit(1)
+
+sys.exit(0)
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e79f21ea719d..fef15bf02a2b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -17,6 +17,7 @@ variables:
   TEMP_BUILD_FOLDER: /builds/temp-builds
 
 stages:
+  - check-patch
   - build-product
 
 .build_base:
@@ -59,6 +60,14 @@ stages:
     - set -o xtrace
     - rm -rf $TEMP_BUILD_FOLDER
 
+check_patch:
+  stage: check-patch
+  script: .gitlab-ci.d/check-patch.py
+  variables:
+    GIT_STRATEGY: fetch
+    GIT_DEPTH: 1000
+  allow_failure: true
+
       # If you need additional products build just copy-paste build_******_product section with new config name
 build_default_defconfig :
   extends: .build_base