image: docker:19.03.1

stages:
  - lint
  - build

services:
  - docker:19.03.1-dind

variables:
  CONTAINER_IMAGE_BASE: registry.gitlab.haskell.org/$CI_PROJECT_PATH
  # Disable use of overlay2 due to https://github.com/moby/moby/issues/39663
  #DOCKER_DRIVER: overlay2
  DOCKER_DRIVER: vfs
  DOCKER_TLS_CERTDIR: "/certs"

lint:
  stage: lint
  image: hadolint/hadolint:latest-debian
  tags:
    - x86_64-linux
  only:
    - merge_requests
    - master
  script:
    - find . -name "Dockerfile" -print0 | xargs -0 -n1 hadolint

.build:
  stage: build
  only:
   - master
   - merge_requests
  before_script:
    - docker info
  script:
    - |
      CONTAINER_IMAGE="$CONTAINER_IMAGE_BASE/$IMAGE"
      docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
      docker pull $CONTAINER_IMAGE:latest || true
      docker build --cache-from $CONTAINER_IMAGE:latest --tag $CONTAINER_IMAGE:$CI_COMMIT_SHA --tag $CONTAINER_IMAGE:latest $IMAGE
      if [ -z "$CI_MERGE_REQUEST_ID" ]; then
        docker push $CONTAINER_IMAGE:$CI_COMMIT_SHA
        docker push $CONTAINER_IMAGE:latest
      fi

build-linters:
  extends: .build
  variables:
    IMAGE: linters
  tags:
    - docker
    - x86_64-linux

build-aarch64-linux-deb9:
  extends: .build
  variables:
    IMAGE: aarch64-linux-deb9
  allow_failure: true
  tags:
    - docker
    - aarch64-linux

build-armv7-linux-deb9:
  extends: .build
  variables:
    IMAGE: armv7-linux-deb9
  allow_failure: true
  tags:
    - docker
    - armv7-linux

build-i386-linux-deb9:
  extends: .build
  variables:
    IMAGE: i386-linux-deb9
  tags:
    - docker
    - x86_64-linux

build-x86_64-freebsd:
  extends: .build
  variables:
    IMAGE: x86_64-freebsd
  tags:
    - docker
    - x86_64-linux

build-x86_64-linux-centos7:
  extends: .build
  variables:
    IMAGE: x86_64-linux-centos7
  tags:
    - docker
    - x86_64-linux

build-x86_64-linux-alpine:
  extends: .build
  variables:
    IMAGE: x86_64-linux-alpine
  tags:
    - docker
    - x86_64-linux

build-x86_64-linux-deb8:
  extends: .build
  variables:
    IMAGE: x86_64-linux-deb8
  tags:
    - docker
    - x86_64-linux

build-x86_64-linux-deb9:
  extends: .build
  variables:
    IMAGE: x86_64-linux-deb9
  tags:
    - docker
    - x86_64-linux

build-x86_64-linux-deb10:
  extends: .build
  variables:
    IMAGE: x86_64-linux-deb10
  tags:
    - docker
    - x86_64-linux

build-x86_64-linux-fedora27:
  extends: .build
  variables:
    IMAGE: x86_64-linux-fedora27
  tags:
    - docker
    - x86_64-linux