gitlab-ci: Add a shellcheck runner

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Pavel Filipenský <pfilipensky@samba.org>

Autobuild-User(master): Pavel Filipensky <pfilipensky@samba.org>
Autobuild-Date(master): Mon Aug 22 21:30:09 UTC 2022 on sn-devel-184

.gitlab-ci-main.yml

@@ -256,6 +256,7 @@ samba-def-build:
   needs:
     - job: samba-def-build
       artifacts: true
+    - job: samba-shellcheck
 
 samba-mit-build:
   extends: .shared_template_build_only
@@ -277,6 +278,7 @@ samba-mit120-build:
   needs:
     - job: samba-mit-build
       artifacts: true
+    - job: samba-shellcheck
 
 .needs_samba-mit120-build:
   extends: .shared_template_test_only
@@ -399,6 +401,13 @@ samba-fips:
   variables:
     SAMBA_CI_JOB_IMAGE: ${SAMBA_CI_CONTAINER_IMAGE_fedora36}
 
+samba-shellcheck:
+  extends: .shared_template
+  needs:
+  variables:
+    SAMBA_CI_JOB_IMAGE: ${SAMBA_CI_CONTAINER_IMAGE_fedora36}
+  stage: build_first
+
 .private_test_only:
   extends: .private_runner_test
   stage: test_private

script/autobuild.py

@@ -1020,6 +1020,12 @@ tasks = {
         ],
     },
 
+    "samba-shellcheck": {
+        "sequence": [
+            ("run", "script/check-shell-scripts.sh ."),
+        ],
+    },
+
     "ldb": {
         "sequence": [
             ("random-sleep", random_sleep(60, 600)),