stages:
  - generate
  - lint
  - cache
  - trigger

variables:
  PACKER_CONFIG_DIR: ./packer_config/
  PACKER_CACHE_DIR: ./cache/

generate:
  stage: generate
  artifacts:
    paths:
      - distros/**/*.pkrvars.hcl
  script: |-
    for vars in $(find distros/ -name '*.pkrvars.hcl.sh'); do
      "./${vars}"
    done

distros:
  stage: generate
  image: $CI_REGISTRY_DIRECT/greg/ci-images/fedora:latest
  artifacts:
    reports:
      dotenv: build.env
    paths:
      - .gitlab-ci-build.yml
  script: |-
    xonsh ./build.xsh -a --list
    echo "BUILD=$(date +'%Y.%m.%d.%H')" >> build.env

validate:
  stage: lint
  needs:
    - generate
  cache:
    - key:
        files:
          - sources/build.pkr.hcl
      paths:
        - ./packer_config/
  script: |-
    set -exo pipefail
    packer init sources
    for vars in $(find distros/ -name '*.pkrvars.hcl'); do
      packer validate -except=upload -var-file=${vars} sources/
    done

shellcheck:
  stage: lint
  script: |-
    shellcheck --version
    shellcheck $(find . -name '*.sh')

# Downloads all the ISO files so that we have a single cache with all
# of them present. This prevents a race condition where some of the
# files were being downloaded multiple times due to parallel jobs, and
# others were disappearing (e.g. daily builds for Rawhide) before we
# could get to them
downloads:
  stage: cache
  image: $CI_REGISTRY_DIRECT/greg/ci-images/fedora:latest
  cache:
    - key: isofiles
      paths:
        - cache/*.iso
    - key:
        files:
          - sources/build.pkr.hcl
      paths:
        - ./packer_config/
  script:
    - set -exo pipefail
    - packer init sources
    - files=()
    - |-
      for vars in $(find distros/ -name '*.pkrvars.hcl'); do
        file=$(echo var.iso.url | packer console -var-file=${vars} -config-type=hcl2 sources/)
        if [ ! -e "cache/$(basename '${file}')" ]; then
          files+=("-O" "${file}")
        fi
      done
    - mkdir -p cache
    - pushd cache
    - curl --parallel -L "${files[@]}"
    - popd

trigger:
  stage: trigger
  trigger:
    include:
      - artifact: .gitlab-ci-build.yml
        job: distros
  variables:
    PARENT_PIPELINE_ID: $CI_PIPELINE_ID