.gitlab-ci.yml

stages:
    - build
    - publish

.ct-ng_version: &ct-ng_version
        CT_NG_VERSION: 1.24.0

.build-container: &build-container
    image: docker:latest
    stage: build
    services:
        - docker:dind
    variables:
        TARGET: UNKNOWN
        DOCKERFILE: UNKNOWN
        FOLDER: UNKNOWN
        DOCKER_ARGS: ""
    script:
        - docker login -u gitlab-ci-token -p ${CI_BUILD_TOKEN} ${CI_REGISTRY}
        - echo "Building target '$TARGET' image to $CI_REGISTRY_IMAGE/$TARGET"
        - cd "${FOLDER}"
        - '[[ "${USE_CACHE}" == "yes" ]] && sh -c "docker pull $CI_REGISTRY_IMAGE/${TARGET} || echo No upstream image to cache from, will have to build a new one from scratch" || echo "Building new one from scratch"'
        - export DOCKER_OPTS="--force-rm=true --compress=true"
        - '[[ "${USE_CACHE}" == "yes" ]] && export DOCKER_OPTS="${DOCKER_OPTS} --cache-from $CI_REGISTRY_IMAGE/${TARGET}" || export DOCKER_OPTS="${DOCKER_OPTS} --no-cache=true"'
        - echo "Executing 'docker build ${DOCKER_OPTS} ${DOCKER_ARGS} -t ${TARGET} -f ${DOCKERFILE} .'"
        - DEBIAN_FRONTEND=noninteractive docker build ${DOCKER_OPTS} ${DOCKER_ARGS} -t ${TARGET} -f ${DOCKERFILE} .
        - docker tag ${TARGET} ${CI_REGISTRY_IMAGE}/${TARGET}
        - docker push ${CI_REGISTRY_IMAGE}/${TARGET}

.docker:upload: &docker_upload    
    stage: publish    
    image: docker:latest    
    dependencies: []    
    services:           
        - docker:dind    
    variables:        
        SOURCE_IMAGE: "???"    
        TARGET_IMAGE: "???"    
    script:         
        - docker login -u gitlab-ci-token -p "${CI_BUILD_TOKEN}" "${CI_REGISTRY}"
        - docker pull "${SOURCE_IMAGE}"
        - docker tag "${SOURCE_IMAGE}" "${TARGET_IMAGE}"
        - export CI_REGISTRY_USER=bverhagen                     
        - export CI_REGISTRY_PASSWORD=${DOCKER_HUB_TOKEN}
        - rm -f ~/.docker/config.json                            
        - docker login -u bverhagen -p "${DOCKER_HUB_TOKEN}" docker.io
        - docker push "${TARGET_IMAGE}"

ubuntu-18.04:build:
    <<: *build-container
    variables:
        <<: *ct-ng_version
        TARGET: crosstool-ng-ubuntu-18.04:${CT_NG_VERSION}
        DOCKERFILE: Dockerfile
        FOLDER: debian-based
        DOCKER_ARGS: "--build-arg SYSTEM=ubuntu --build-arg VERSION=18.04 --build-arg CROSSTOOL_NG_VERSION=crosstool-ng-${CT_NG_VERSION}"

ubuntu-19.10:build:
    <<: *build-container
    variables:
        <<: *ct-ng_version
        TARGET: crosstool-ng-ubuntu-19.10:${CT_NG_VERSION}
        DOCKERFILE: Dockerfile
        FOLDER: debian-based
        DOCKER_ARGS: "--build-arg SYSTEM=ubuntu --build-arg VERSION=19.10 --build-arg CROSSTOOL_NG_VERSION=crosstool-ng-${CT_NG_VERSION}"

debian-buster:build:
    <<: *build-container
    variables:
        <<: *ct-ng_version
        TARGET: crosstool-ng-debian-buster:${CT_NG_VERSION}
        DOCKERFILE: Dockerfile
        FOLDER: debian-based
        DOCKER_ARGS: "--build-arg SYSTEM=debian --build-arg VERSION=buster --build-arg CROSSTOOL_NG_VERSION=crosstool-ng-${CT_NG_VERSION}"

debian-testing:build:
    <<: *build-container
    variables:
        <<: *ct-ng_version
        TARGET: crosstool-ng-debian-testing:${CT_NG_VERSION}
        DOCKERFILE: Dockerfile
        FOLDER: debian-based
        DOCKER_ARGS: "--build-arg SYSTEM=debian --build-arg VERSION=testing --build-arg CROSSTOOL_NG_VERSION=crosstool-ng-${CT_NG_VERSION}"

ubuntu-18.04:
    <<: *docker_upload
    variables:
        <<: *ct-ng_version
        SOURCE_IMAGE: ${CI_REGISTRY_IMAGE}/crosstool-ng-${CI_JOB_NAME}:${CT_NG_VERSION}
        TARGET_IMAGE: bverhagen/crosstool-ng:${CI_JOB_NAME}_${CT_NG_VERSION}
    after_script:
        - docker tag "${SOURCE_IMAGE}" "bverhagen/crosstool-ng:${CI_JOB_NAME}_latest"
        - docker push "bverhagen/crosstool-ng:${CI_JOB_NAME}_latest"
    only:
        - master

ubuntu-19.10:
    <<: *docker_upload
    variables:
        <<: *ct-ng_version
        SOURCE_IMAGE: ${CI_REGISTRY_IMAGE}/crosstool-ng-${CI_JOB_NAME}:${CT_NG_VERSION}
        TARGET_IMAGE: bverhagen/crosstool-ng:${CI_JOB_NAME}_${CT_NG_VERSION}
    after_script:
        - docker tag "${SOURCE_IMAGE}" "bverhagen/crosstool-ng:${CI_JOB_NAME}_latest"
        - docker push "bverhagen/crosstool-ng:${CI_JOB_NAME}_latest"
    only:
        - master

debian-buster:
    <<: *docker_upload
    variables:
        <<: *ct-ng_version
        SOURCE_IMAGE: ${CI_REGISTRY_IMAGE}/crosstool-ng-${CI_JOB_NAME}:${CT_NG_VERSION}
        TARGET_IMAGE: bverhagen/crosstool-ng:${CI_JOB_NAME}_${CT_NG_VERSION}
    after_script:
        - docker tag "${SOURCE_IMAGE}" "bverhagen/crosstool-ng:${CI_JOB_NAME}_latest"
        - docker push "bverhagen/crosstool-ng:${CI_JOB_NAME}_latest"
    only:
        - master

debian-testing:
    <<: *docker_upload
    variables:
        <<: *ct-ng_version
        SOURCE_IMAGE: ${CI_REGISTRY_IMAGE}/crosstool-ng-${CI_JOB_NAME}:${CT_NG_VERSION}
        TARGET_IMAGE: bverhagen/crosstool-ng:${CI_JOB_NAME}_${CT_NG_VERSION}
    after_script:
        - docker tag "${SOURCE_IMAGE}" "bverhagen/crosstool-ng:${CI_JOB_NAME}_latest"
        - docker push "bverhagen/crosstool-ng:${CI_JOB_NAME}_latest"
    only:
        - master