stages:
  - dependencies
  - build
  - test
  - lint

variables:
  CC: clang-7
  CXX: clang++-7
  DOCKER_DRIVER: overlay2
  DOCKER_HOST: tcp://localhost:2375/

docker_builder:
  stage: dependencies
  image: docker:stable
  only:
    changes:
      - Dockerfile.builder
  services:
    - docker:dind
  before_script:
    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
  script:
    - docker pull $CI_REGISTRY_IMAGE/builder:latest || true
    - docker build -f Dockerfile.builder --cache-from $CI_REGISTRY_IMAGE/builder:latest --tag $CI_REGISTRY_IMAGE/builder:$CI_COMMIT_SHA --tag $CI_REGISTRY_IMAGE/builder:latest .
    - docker push ${CI_REGISTRY_IMAGE}/builder:$CI_COMMIT_SHA
    - docker push ${CI_REGISTRY_IMAGE}/builder:latest

build:
  image: $CI_REGISTRY_IMAGE/builder:latest
  stage: build
  script:
    - mkdir build
    - cd build
    - cmake -DMAINTAINER_MODE=ON ..
    - make -j4
  artifacts:
    expire_in: 1 day
    paths:
      - build/

test:
  image: $CI_REGISTRY_IMAGE/builder:latest
  stage: test
  script:
    - cd build
    - cmake -DCMAKE_SOURCE_DIR=$(dirname `pwd`) -DCMAKE_BINARY_DIR=`pwd` -DMAINTAINER_MODE=ON -DBUILD_TESTS=ON ..
    - make -j4
    - make -j4 test

check-clang-tidy:
  image: $CI_REGISTRY_IMAGE/builder:latest
  stage: test
  script:
    - cd build
    - cmake -DCMAKE_SOURCE_DIR=$(dirname `pwd`) -DCMAKE_BINARY_DIR=`pwd` -DMAINTAINER_MODE=ON -DCHECK_CODE_QUALITY=ON ..
    - make -j4 check-clang-tidy

check-clang-format:
  image: $CI_REGISTRY_IMAGE/builder:latest
  stage: test
  script:
    - cd build
    - cmake -DCMAKE_SOURCE_DIR=$(dirname `pwd`) -DCMAKE_BINARY_DIR=`pwd` -DMAINTAINER_MODE=ON -DCHECK_CODE_QUALITY=ON ..
    - make -j4 check-clang-format