ci.yml

name: ci

# Build every pull request exactly the way the deploy does, so a change that
# breaks an imported cross-link is caught before it reaches main.
on:
  pull_request:

permissions:
  contents: read

concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

jobs:
  check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v7
        with:
          # Without the submodules the build fails loudly, by design, rather than
          # publishing empty sections — so there is no point running without them.
          submodules: recursive

      - uses: actions/setup-node@v7
        with:
          node-version: 24
          cache: npm

      # Hugo is not installed here: `npm ci` pulls the hugo-extended version
      # pinned in package.json, the same binary the container and a local
      # checkout use.
      - run: ./site check