name: Jekyll
on:
  push:
    branches:
      - main
  pull_request:

env:
  _UID: 1000
  _GID: 1000
jobs:
  jekyll:
    runs-on: ubuntu-22.04
    steps:
      - name: Check out repository
        id: checkout
        uses: actions/checkout@v4
      - name: Change file ownership
        id: file_ownership
        run: |
          chown -R ${_UID}:${_GID} .
      - name: Install requirements
        id: install_requirements
        run: |
          apt-get -q update
          apt-get -q install -y docker-compose rsync
          apt-get -q clean
      - name: Verify docker
        id: verify_docker
        run: |
          docker run --rm hello-world:latest > /dev/null
          docker rmi hello-world:latest > /dev/null
          docker version
          docker-compose version
          docker volume ls
      - name: Build Jekyll image
        id: build_image
        run: |
          # The environment variables _UID and _GID can impact this image
          docker-compose build jekyll
      - name: Build Jekyll site
        id: build_site
        run: |
          docker-compose run --rm -v "${JOB_CONTAINER_NAME}:/site" -w /site \
          jekyll build --verbose
      - name: Prepare ssh key
        id: prepare_ssh_key
        if: ${{ github.ref == 'main' }}
        run: |
          echo "${{ secrets.WWW_DEPLOY_KEY }}" > ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519
      - name: Publish Jekyll site
        id: publish_site
        if: ${{ github.ref == 'main' }}
        run: |
          rsync -halvi \
            -e "ssh -a -x -o StrictHostKeyChecking=no" \
            ./_site/ www@lafs.eval.latfa.net:/var/www/site/