publish.yml

name: Build & Publish

on:
  push:
    branches:
      - main
  pull_request: {}

jobs:
  build-validate:
    env:
      # ruby/setup-ruby@v1 does not offer a way to change the cached gems path.
      # See https://github.com/ruby/setup-ruby/issues/291
      GLOBAL_GEMS: 1
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Set up Ruby
        uses: ruby/setup-ruby@v1
        with:
          bundler-cache: true
          cache-version: 3

      - name: Build & Validate
        run: rake validate

      - name: Upload Pages artifact
        uses: actions/upload-pages-artifact@v3

  deploy:
    name: Deploy to GitHub Pages
    runs-on: ubuntu-latest
    needs: build-validate
    if: ${{ github.ref == 'refs/heads/main' }}

    # Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
    # However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
    concurrency:
      group: "pages"
      cancel-in-progress: false

    # Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
    permissions:
      contents: read
      pages: write
      id-token: write

    environment:
      name: github-pages
      # Tell GitHub where we deployed to
      url: ${{ steps.deployment.outputs.page_url }}

    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4