[gjs: 1/2] CI: build Static Analysis Docker image in GitLab

[Philip Chimento <pchimento src gnome org>]

commit 11df86b9dcf96240c03afded5a52d77dbb8a822d
Author: Claudio André <claudioandre br gmail com>
Date:   Thu Jul 5 18:46:28 2018 -0300

    CI: build Static Analysis Docker image in GitLab
    
    [dont push]

 .gitlab-ci.yml                               | 53 ++++++++++++++++++++++++++++
 test/extra/Dockerfile.fedora.static-analysis | 17 +++++++++
 2 files changed, 70 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e0c96fec..110232f9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -661,3 +661,56 @@ ppc64le:
   when: manual
   except:
     - schedules
+
+#############################################
+#          Create CI Docker Images          #
+#############################################
+.Docker image template: &create_docker_image
+  image: docker:latest
+  stage: delivery
+  services:
+    - docker:dind
+  only:
+    variables:
+      - $CRON_TASK == "BUILD_CI_IMAGES"
+
+  script:
+    # CI starts here. Previous messages are from GitLab Runner setup.
+    - *CI_header
+
+    # Skip the build (if requested)
+    - |
+      if [[ -z "${CI_COMMIT_MESSAGE##*[skip images]*}" && -z "${CI_COMMIT_MESSAGE##*$NAME*}" ]]; then
+        echo "== Nothing to do =="
+        exit 0
+      fi
+
+    # Build using the Dockerfile
+    - |
+      if [[ -n "${DOCKERFILE}" ]]; then
+        docker build -f "$DOCKERFILE" -t "$REPO:$NAME" .
+      fi
+
+    # Prepare to publish
+    - docker tag "$REPO:$NAME" "$REPO:job-"$CI_JOB_ID"_$NAME"
+    - docker images
+    - docker login ${CI_REGISTRY} -u ${CI_REGISTRY_USER} -p ${CI_REGISTRY_PASSWORD}
+
+    # Do not push (if requested)
+    - |
+      if [[ "${CI_PIPELINE_SOURCE}" == "schedule" || -n "${CI_COMMIT_MESSAGE##*[dont push]*}" ]]; then
+        docker push $REPO
+      fi
+
+    # Done
+    - *CI_footer
+
+fedora.static-analysis:
+  <<: *create_docker_image
+  variables:
+    BASE: "fedora"
+    DOCKER_DRIVER: overlay
+    DOCKERFILE: "test/extra/Dockerfile.fedora.static-analysis"
+    NAME: "fedora.static-analysis"
+    REPO: "${CI_REGISTRY}/${CI_PROJECT_PATH}"
+    CRON_TASK: "BUILD_CI_IMAGES"
diff --git a/test/extra/Dockerfile.fedora.static-analysis b/test/extra/Dockerfile.fedora.static-analysis
new file mode 100644
index 00000000..15a03eda
--- /dev/null
+++ b/test/extra/Dockerfile.fedora.static-analysis
@@ -0,0 +1,17 @@
+FROM fedora:latest
+MAINTAINER Claudio André (c) 2018 V1.0
+
+LABEL architecture="x86_64"
+LABEL version="1.0"
+LABEL description="Docker image to run CI for GNOME GJS (JavaScript bindings for GNOME)."
+
+RUN dnf -y --nogpgcheck upgrade && \
+    dnf -y install \
+                   git cppcheck tokei nodejs python-devel && \
+    mkdir -p /cwd && \
+    pip install cpplint && \
+    npm install -g eslint && \
+    dnf -y clean all
+
+CMD ["/bin/bash"]
+