gitlab: introduce explicit "container" and "build" stages

If no stage is listed, jobs get put in an implicit "test" stage.
Some jobs which create container images to be used by later stages
are currently listed as in a "build" stages.

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200622153318.751107-2-berrange@redhat.com>
Message-Id: <20200701135652.1366-21-alex.bennee@linaro.org>

.gitlab-ci.d/edk2.yml

 docker-edk2:
- stage: build
+ stage: containers
  rules: # Only run this job when the Dockerfile is modified
  - changes:
    - .gitlab-ci.d/edk2.yml
@@ -24,6 +24,7 @@ docker-edk2:
  - docker push $IMAGE_TAG
 
 build-edk2:
+ stage: build
  rules: # Only run this job when ...
  - changes: # ... roms/edk2/ is modified (submodule updated)
    - roms/edk2/*

.gitlab-ci.d/opensbi.yml

 docker-opensbi:
- stage: build
+ stage: containers
  rules: # Only run this job when the Dockerfile is modified
  - changes:
    - .gitlab-ci.d/opensbi.yml
@@ -24,6 +24,7 @@ docker-opensbi:
  - docker push $IMAGE_TAG
 
 build-opensbi:
+ stage: build
  rules: # Only run this job when ...
  - changes: # ... roms/opensbi/ is modified (submodule updated)
    - roms/opensbi/*

.gitlab-ci.yml

+stages:
+  - containers
+  - build
+
 include:
   - local: '/.gitlab-ci.d/edk2.yml'
   - local: '/.gitlab-ci.d/opensbi.yml'
@@ -17,6 +21,7 @@ include:
   - JOBS=$(expr $(nproc) + 1)
 
 build-system1:
+ stage: build
  image: ubuntu:19.10
  <<: *before_script_apt
  script:
@@ -31,6 +36,7 @@ build-system1:
  - make -j"$JOBS" check
 
 build-system2:
+ stage: build
  image: fedora:latest
  <<: *before_script_dnf
  script:
@@ -46,6 +52,7 @@ build-system2:
  - make -j"$JOBS" check
 
 build-disabled:
+ stage: build
  image: fedora:latest
  <<: *before_script_dnf
  script:
@@ -62,6 +69,7 @@ build-disabled:
  - make -j"$JOBS" check-qtest SPEED=slow
 
 build-tcg-disabled:
+ stage: build
  image: centos:8
  <<: *before_script_dnf
  script:
@@ -82,6 +90,7 @@ build-tcg-disabled:
             260 261 262 263 264 270 272 273 277 279
 
 build-user:
+ stage: build
  <<: *before_script_apt
  script:
  - mkdir build
@@ -92,6 +101,7 @@ build-user:
  - make run-tcg-tests-i386-linux-user run-tcg-tests-x86_64-linux-user
 
 build-clang:
+ stage: build
  image: fedora:latest
  <<: *before_script_dnf
  script:
@@ -106,6 +116,7 @@ build-clang:
  - make -j"$JOBS" check
 
 build-tci:
+ stage: build
  image: centos:8
  <<: *before_script_dnf
  script: