From f54619d1667d9cc1741419ed83c5f5c124d4604d Mon Sep 17 00:00:00 2001
From: Philippe Schenker <philippe.schenker@toradex.com>
Date: Fri, 19 Feb 2021 10:04:17 +0100
Subject: Add license checking in CI

---
 .gitlab-ci.yml | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 0e70af0..a4b2919 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,22 +1,22 @@
-variables:
-# uncomment for the pipeline debug purpose
-  CI_DEBUG_TRACE: "true"
-  CI_IMAGE: gitlab.int.toradex.com:4567/philippe.schenker/linux-toradex/ci-kernel-builder:gcc9
-  DOCKER_HOST: tcp://docker:2375
-  DOCKER_DRIVER: overlay2
-  DOCKER_TLS_CERTDIR: ""
-
 stages:
-  - empty-stub
+  - check-license
 
-prepare_kernel:
-  stage: empty-stub
-  image: $CI_IMAGE
+check-license_job:
+  stage: check-license
   variables:
-    GIT_STRATEGY: fetch
-    GIT_DEPTH: "1"
-  script: |
-    echo "Just return true. For now it is too tough to implement a real overlay checking."
-    echo "It depends on possibly unmerged changes in the corresponding branch of linux kernel."
-    true
+      EXPECTED_LIC_STR: "SPDX-License-Identifier: GPL-2.0-or-later OR MIT"
+  script:
+    - cd $CI_PROJECT_DIR/overlays
+    - |
+        for DTO in $(ls *dts)
+        do
+        head -n 1 $DTO | \
+            grep -q "${EXPECTED_LIC_STR}" || \
+            ERRMSG="${ERRMSG}License mssing, wrong or not on 1st line: ${DTO} \n"
+        done
+        if [ "${ERRMSG}" ]
+        then
+            echo -ne $ERRMSG
+            exit -1
+        fi
 
-- 
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