main.yml

name: CI

on:
  push:
    branches:
      - master

concurrency:
  group: "pages"
  cancel-in-progress: false

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        jekyll: ["< 4.0", "< 5.0"]
    env:
      JEKYLL_VERSION: ${{ matrix.jekyll }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Setup Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: '3.3'
          bundler-cache: true
      - name: Setup Pages
        id: pages
        uses: actions/configure-pages@v5
      - name: Build with Jekyll
        run: bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"
        env:
          JEKYLL_ENV: production
      - name: Upload artifact
        if: ${{ matrix.jekyll == '< 5.0' }}
        uses: actions/upload-pages-artifact@v3

  pa11y-ci:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Setup Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: '3.3'
          bundler-cache: true
      - name: Setup Chrome
        uses: browser-actions/setup-chrome@v1
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 'lts/*'
          check-latest: true
      - run: npm install -g pa11y-ci
      - name: Download artifact
        uses: actions/download-artifact@v4
        with:
          name: github-pages
      - name: Extract artifact
        run: |
          mkdir _site
          tar -xf artifact.tar -C _site/
      - name: Run pa11y-ci
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          url="$(gh api "repos/$GITHUB_REPOSITORY/pages" --jq '.html_url')"
          (bundle exec jekyll serve -d _tmp_site --no-watch & echo $! >&3) 3>_jekyll.pid | grep -q 'Server running'
          pa11y-ci --sitemap 'http://localhost:4000/whiteglass/sitemap.xml' \
            --sitemap-find "$url" --sitemap-replace 'http://localhost:4000/whiteglass/'
          kill -9 "$(cat _jekyll.pid)"
          rm -f _jekyll.pid
          rm -rf _tmp_site

  validate:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - name: Download artifact
        uses: actions/download-artifact@v4
        with:
          name: github-pages
      - name: Extract artifact
        run: |
          mkdir _site
          tar -xf artifact.tar -C _site/
      - name: HTML5Validator
        uses: Cyb3r-Jak3/html5validator-action@41633d488eb36e18fd1a95ffc83daf1bf22a75bd # v7.2.0
        with:
          root: _site/
          css: true
          skip_git_check: true

  deploy:
    needs: [build, pa11y-ci, validate]
    permissions:
      pages: write
      id-token: write
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4