name: Documentation

on:
  push:
    branches: [main]
  pull_request:

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

permissions:
  contents: read
  pages: write
  id-token: write

jobs:
  docs:
    name: All crates
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Install protoc
        uses: taiki-e/install-action@v2
        with:
          tool: protoc@3.20.3

      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly-2025-10-01

      - name: Install Node.js
        uses: actions/setup-node@v6
        with:
          node-version: 20

      - name: Load cache
        uses: Swatinem/rust-cache@v2
        with:
          save-if: ${{ github.ref == 'refs/heads/main' }}

      # Keep in sync with xtask docs
      - name: Build documentation
        env:
          RUSTDOCFLAGS: "--enable-index-page -Zunstable-options --cfg docsrs -Dwarnings"
        run:
          cargo doc --no-deps --workspace --features docsrs --exclude=xtask

      - name: Upload artifact
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        uses: actions/upload-pages-artifact@v4
        with:
          path: './target/doc/'

      - name: Deploy to GitHub Pages
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        id: deployment
        uses: actions/deploy-pages@v4