code_quality:
  stage: test
  image: docker:19.03.12
  allow_failure: true
  services:
    - docker:19.03.12-dind
  variables:
    DOCKER_DRIVER: overlay2
    DOCKER_TLS_CERTDIR: ""
    CODE_QUALITY_IMAGE: "registry.gitlab.com/gitlab-org/ci-cd/codequality:0.85.18"
  needs: []
  script:
    - export SOURCE_CODE=$PWD
    - |
      if ! docker info &>/dev/null; then
        if [ -z "$DOCKER_HOST" -a "$KUBERNETES_PORT" ]; then
          export DOCKER_HOST='tcp://localhost:2375'
        fi
      fi
    - | # this is required to avoid undesirable reset of Docker image ENV variables being set on build stage
      function propagate_env_vars() {
        CURRENT_ENV=$(printenv)

        for VAR_NAME; do
          echo $CURRENT_ENV | grep "${VAR_NAME}=" > /dev/null && echo "--env $VAR_NAME "
        done
      }
    - docker pull --quiet "$CODE_QUALITY_IMAGE"
    - |
      docker run \
        $(propagate_env_vars \
          SOURCE_CODE \
          TIMEOUT_SECONDS \
          CODECLIMATE_DEBUG \
          CODECLIMATE_DEV \
          REPORT_STDOUT \
          REPORT_FORMAT \
          ENGINE_MEMORY_LIMIT_BYTES \
        ) \
        --volume "$PWD":/code \
        --volume /var/run/docker.sock:/var/run/docker.sock \
        "$CODE_QUALITY_IMAGE" /code
  artifacts:
    reports:
      codequality: gl-code-quality-report.json
    expire_in: 1 week
  dependencies: []
  rules:
    - if: '$CODE_QUALITY_DISABLED'
      when: never
    - if: '$CI_COMMIT_TAG || $CI_COMMIT_BRANCH'