build-docs.yml

name: Docs
on:
  push:
    branches:
      - main

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

permissions:
  contents: write
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-python@v5

      - name: Install Python dependencies from requirements.txt
        run: pip install -r doc/requirements.txt

      - name: Install Doxygen
        run: sudo apt-get install doxygen -y
        shell: bash

      - name: Build documentation
        run: sphinx-build doc _build

      - name: Set CNAME if in public repo
        id: cname
        run: |
          if [ "${{ github.repository }}" = "erbsland-dev/erbsland-cpp-re" ]; then
            echo "CNAME=re.erbsland.dev" >> $GITHUB_ENV
          fi

      - name: Deploy
        uses: peaceiris/actions-gh-pages@v4
        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
        with:
          publish_branch: gh-pages
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: _build/
          force_orphan: true
          cname: ${{ env.CNAME }}