gitlab: Extract DCO/style check jobs to static_checks.yml

Extract the DCO / checkpatch jobs to a new file (static_checks.yml)
to be able to run them without having to run all the jobs included
in the default .gitlab-ci.yml, which are mainly useful for the
mainstream CI.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Willian Rampazzo <willianr@redhat.com>
Message-Id: <20210519185504.2198573-6-f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>

.gitlab-ci.d/static_checks.yml

+check-patch:
+  stage: build
+  image: $CI_REGISTRY_IMAGE/qemu/centos8:latest
+  needs:
+    job: amd64-centos8-container
+  script: .gitlab-ci.d/check-patch.py
+  except:
+    variables:
+      - $CI_PROJECT_NAMESPACE == 'qemu-project' && $CI_COMMIT_BRANCH == 'master'
+  variables:
+    GIT_DEPTH: 1000
+  allow_failure: true
+
+check-dco:
+  stage: build
+  image: $CI_REGISTRY_IMAGE/qemu/centos8:latest
+  needs:
+    job: amd64-centos8-container
+  script: .gitlab-ci.d/check-dco.py
+  except:
+    variables:
+      - $CI_PROJECT_NAMESPACE == 'qemu-project' && $CI_COMMIT_BRANCH == 'master'
+  variables:
+    GIT_DEPTH: 1000

.gitlab-ci.yml

@@ -12,6 +12,7 @@ include:
   - local: '/.gitlab-ci.d/opensbi.yml'
   - local: '/.gitlab-ci.d/containers.yml'
   - local: '/.gitlab-ci.d/crossbuilds.yml'
+  - local: '/.gitlab-ci.d/static_checks.yml'
 
 .native_build_job_template:
   stage: build
@@ -771,31 +772,6 @@ build-without-default-features:
         --target-list-exclude=arm-softmmu,i386-softmmu,mipsel-softmmu,mips64-softmmu,ppc-softmmu
     MAKE_CHECK_ARGS: check-unit
 
-check-patch:
-  stage: build
-  image: $CI_REGISTRY_IMAGE/qemu/centos8:latest
-  needs:
-    job: amd64-centos8-container
-  script: .gitlab-ci.d/check-patch.py
-  except:
-    variables:
-      - $CI_PROJECT_NAMESPACE == 'qemu-project' && $CI_COMMIT_BRANCH == 'master'
-  variables:
-    GIT_DEPTH: 1000
-  allow_failure: true
-
-check-dco:
-  stage: build
-  image: $CI_REGISTRY_IMAGE/qemu/centos8:latest
-  needs:
-    job: amd64-centos8-container
-  script: .gitlab-ci.d/check-dco.py
-  except:
-    variables:
-      - $CI_PROJECT_NAMESPACE == 'qemu-project' && $CI_COMMIT_BRANCH == 'master'
-  variables:
-    GIT_DEPTH: 1000
-
 build-libvhost-user:
   stage: build
   image: $CI_REGISTRY_IMAGE/qemu/fedora:latest