docs.yml

name: Build & deploy Doxygen docs

on:
  push:
    branches: [ master ]
  workflow_dispatch:

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

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout source
        uses: actions/checkout@v4

      - name: Install documentation toolchain
        run: |
          sudo apt-get update -qq
          sudo apt-get install -y doxygen graphviz

      - name: Configure (docs only)
        run: cmake -S . -B build -DBUILD_DOCS_ONLY=ON

      - name: Build target `doc`
        run: cmake --build build --target doc -j

      - name: Upload Pages artifact
        uses: actions/upload-pages-artifact@v3
        with:
          path: docs/html

  deploy:
    needs: build
    runs-on: ubuntu-latest
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}

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