github-pages.yaml

name: Deploy Jekyll site to Pages

"on":
  push:
    branches: [main]
    paths:
      - "**.nix"
      - .github/workflows/github-pages.yaml
      - flake.lock
      - Gemfile
      - Gemfile.lock
      - .bundle/config
      - .ruby-version
      - _data/
      - _drafts/
      - _includes/
      - _pages/
      - _posts/
      - _config.yml
      - CNAME
      - index.adoc
  workflow_dispatch:

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

# 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

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: DeterminateSystems/nix-installer-action@v16
      - uses: DeterminateSystems/magic-nix-cache-action@v8
      # todo Cache bundler stuff?
      - name: Setup Pages
        id: pages
        uses: actions/configure-pages@v5
      - name: Build with Jekyll
        run: nix build
      - name: Upload artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: result/srv

  deploy:
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4
    # Grant GITHUB_TOKEN the permissions required to make a Pages deployment
    permissions:
      pages: write # to deploy to Pages
      id-token: write # to verify the deployment originates from an appropriate source