.gitlab-ci.yml

.prereq: &prereq
  - |
    if [[ ! -d prereq ]]; then
      mkdir -p prereq/tools
      mkdir -p prereq/deps
    fi

stages:
  - environment
  - prereq
  - build

env-arch:
  stage: environment
  image: docker:19.03.1
  services:
    - docker:19.03.1-dind
  tags:
    - docker
  before_script:
    - docker login -u $CI_REGISTRY_USER -p $CI_JOB_TOKEN $CI_REGISTRY
  script:
    - |
      docker build -t $CI_REGISTRY_IMAGE/build-arch:latest -f ci/build.arch.Dockerfile ci
      docker push $CI_REGISTRY_IMAGE/build-arch:latest

prereq-arch:
  image: $CI_REGISTRY_IMAGE/build-arch:latest
  stage: prereq
  needs:
    - env-arch
  tags:
    - docker
  cache:
    key: prereq.arch
    paths:
      - prereq/tools
      - prereq/deps
  script:
    - *prereq
  artifacts:
    paths:
      - prereq/tools
      - prereq/deps
    expire_in: 2 hour

build-arch-latest:
  stage: build
  needs:
    - prereq-arch
  tags:
    - docker
  image: $CI_REGISTRY_IMAGE/build-arch:latest
  before_script:
    - |
      export TAG=$(git describe --tags --abbrev=0)
      export REVISION=$(git describe --always --long)
      export TAG=${TAG:-0.0.0}
      export REVISION=${REVISION:-00000000}
      echo $TAG > TAG
      echo $REVISION > REVISION
      mkdir build.arch
  script:
    - |
      pushd build.arch
      cmake  -DCMAKE_BUILD_TYPE=Release -Dversion=${TAG} -Drevision=${REVISION} ..
      cmake --build . -- -j8
      ctest .
      popd