# make-targets:
#   stage: .pre
#   image: alpine:3.11
#   script:
#     - apk add curl jq
#     - curl https://api.github.com/repos/ocaml/ocaml/releases
#         | jq -r 'map(.tag_name | split(".") | {"maj":.[0:2], "pat":.}) | group_by(.maj) | .[] | max | .pat | join(".")'
#         | tail -n +3
#         > versions
#     - |
#       { for v in $(cat versions); do
#           echo "ocaml-image-$v:";
#           echo "  extends: .ocaml-image";
#           echo "  variables:";
#           echo "    OCAML_VERSION: $v";
#           echo;
#         done;
#         echo "variables:"
#         echo "  LATEST_OCAML_VERSION: $(tail -n1 versions)";
#       } > ocaml-images.yml
#   artifacts:
#     paths:
#       - ocaml-images.yml

# build-images:
#   stage: build
#   variables:
#   trigger:
#     include:
#       - local: ocaml-images-gen.yml
#       - artifact: ocaml-images.yml
#         job: make-targets
#     strategy: depend
#   only:
#     - master


.ocaml-image:
  stage: build
  image:
    name: gcr.io/kaniko-project/executor:debug
    entrypoint: [""]
  variables:
    DOCKERHUB_IMAGE: index.docker.io/v1/ocamlpro/ocaml
  script:
  - |
    echo "{
      \"auths\": {
        \"$CI_REGISTRY\": {
          \"username\":\"$CI_REGISTRY_USER\",
          \"password\":\"$CI_REGISTRY_PASSWORD\"
        },
        \"https://index.docker.io/v1/\": {
          \"auth\":\"$DOCKERHUB_AUTH\"
        }
    }}
    " > /kaniko/.docker/config.json
  - /kaniko/executor --cache=true
      --context=$CI_PROJECT_DIR
      --dockerfile=$CI_PROJECT_DIR/Dockerfile
      --build-arg=OCAML_VERSION=$OCAML_VERSION
      --build-arg=LAST_REPO_UPDATE=$(date +%s)
      --destination=$CI_REGISTRY_IMAGE:${OCAML_VERSION}
      --destination=$DOCKERHUB_IMAGE:${OCAML_VERSION}
      --destination=$CI_REGISTRY_IMAGE:${OCAML_VERSION%.*}
      --destination=$DOCKERHUB_IMAGE:${OCAML_VERSION%.*}
      --destination=$CI_REGISTRY_IMAGE:${OCAML_VERSION%.*}-$(date +%F)
      --destination=$DOCKERHUB_IMAGE:${OCAML_VERSION%.*}-$(date +%F)
      $(if [ "$OCAML_VERSION" = "$LATEST_OCAML_VERSION" ]; then
          echo "--destination=$CI_REGISTRY_IMAGE:latest";
          echo "--destination=$DOCKERHUB_IMAGE:latest";
        fi)
  only:
    - master

ocaml-image-4.02.3:
  extends: .ocaml-image
  variables:
    OCAML_VERSION: 4.02.3

ocaml-image-4.03.0:
  extends: .ocaml-image
  variables:
    OCAML_VERSION: 4.03.0

ocaml-image-4.04.2:
  extends: .ocaml-image
  variables:
    OCAML_VERSION: 4.04.2

ocaml-image-4.05.0:
  extends: .ocaml-image
  variables:
    OCAML_VERSION: 4.05.0

ocaml-image-4.06.1:
  extends: .ocaml-image
  variables:
    OCAML_VERSION: 4.06.1

ocaml-image-4.07.1:
  extends: .ocaml-image
  variables:
    OCAML_VERSION: 4.07.1

ocaml-image-4.08.1:
  extends: .ocaml-image
  variables:
    OCAML_VERSION: 4.08.1

ocaml-image-4.09.1:
  extends: .ocaml-image
  variables:
    OCAML_VERSION: 4.09.1

ocaml-image-4.10.1:
  extends: .ocaml-image
  variables:
    OCAML_VERSION: 4.10.1

ocaml-image-4.11.1:
  extends: .ocaml-image
  variables:
    OCAML_VERSION: 4.11.1

variables:
  LATEST_OCAML_VERSION: 4.11.1