stages:
  - build

default:
  image: registry.gitlab.com/wunker-bunker/ci-builder
  before_script:
    - |
      IMAGE_NAME=$(yq '.name' ./$RECIPE)
      IMAGE_DESCRIPTION=$(yq '.description' ./$RECIPE)
      FEDORA_MAJOR_VERSION=$(yq '.fedora-version' ./$RECIPE)
      BASE_IMAGE_URL=$(yq '.base-image' ./$RECIPE)
      # Generate a timestamp for creating an image version history
      TIMESTAMP="$(date +%Y%m%d)"
      COMMIT_TAGS=()
      BUILD_TAGS=()
      # Have tags for tracking builds during pull request
      COMMIT_TAGS+=("pr-${CI_MERGE_REQUEST_IID}-${FEDORA_MAJOR_VERSION}")
      COMMIT_TAGS+=("${CI_COMMIT_SHORT_SHA}-${FEDORA_MAJOR_VERSION}")

      BUILD_TAGS=("${FEDORA_MAJOR_VERSION}" "${FEDORA_MAJOR_VERSION}-${TIMESTAMP}")

      BUILD_TAGS+=("${TIMESTAMP}")
      BUILD_TAGS+=("latest")

      if [[ $CI_PIPELINE_SOURCE == "merge_request_event" ]]; then
          echo "Generated the following commit tags: "
          for TAG in "${COMMIT_TAGS[@]}"; do
              echo "${TAG}"
          done
          TAGS=("${COMMIT_TAGS[@]}")
      else
          TAGS=("${BUILD_TAGS[@]}")
      fi
      echo "Generated the following build tags: "
      for TAG in "${BUILD_TAGS[@]}"; do
          echo "${TAG}"
      done
      echo "TAGS=${TAGS[*]}"
    - buildah login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY

build:
  stage: build
  parallel:
    matrix:
      - RECIPE: 
        - recipe-desktop.yml
        - recipe-framework.yml
  script:
    - buildah build --build-arg=RECIPE=$RECIPE --build-arg=FEDORA_MAJOR_VERSION=$FEDORA_MAJOR_VERSION --build-arg BASE_IMAGE_URL=$BASE_IMAGE_URL . -t $CI_REGISTRY/$CI_PROJECT_NAMESPACE/$IMAGE_NAME:${TAGS}
    - cosign sign -y --key $SIGNING_SECRET $CI_REGISTRY/$CI_PROJECT_NAMESPACE/$IMAGE_NAME@${TAGS}