docs.yml

name: "Documentation Build"
concurrency:
  group: ${{ github.workflow }}-${{ github.event.number }}-${{ github.event.ref }}
  cancel-in-progress: true
on:
- pull_request
- release

jobs:
  docs:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3

    # sets up the compiler paths automatically for us
    - uses: fortran-lang/setup-fortran@v1
      id: setup-fortran
      with:
        compiler: gcc
        version: 13

    - name: Set up Python
      uses: actions/setup-python@v4
      with:
        python-version: '3.13'

    - name: Download source files
      run: |
        python .github/workflows/download_mirror.py

    - name: Install dependencies
      run: |
        python -m pip install --upgrade pip
        pip install .[docs]

    - name: Build documentation
      run: |
        cd docs
        make html

    - uses: actions/upload-artifact@v4
      with:
        name: DocumentationHTML
        path: docs/build/html/

    # Publish built docs to gh-pages branch
    - name: Commit documentation changes
      # push docs only when a GitHub Release is made
      if: github.event_name == 'release' && github.event.action == 'published'
      run: |
        git clone https://github.com/SWxTREC/pymsis.git --branch gh-pages --single-branch gh-pages
        cp -r docs/build/html/* gh-pages/
        cd gh-pages
        git config --local user.email "action@github.com"
        git config --local user.name "GitHub Action"
        git add .
        git commit -m "Update documentation" -a || true
        # The above command will fail if no changes were present, so we ignore that.

    - name: Publish docs
      # push docs only when a GitHub Release is made
      if: github.event_name == 'release' && github.event.action == 'published'
      
      uses: ad-m/github-push-action@master
      with:
        branch: gh-pages
        directory: gh-pages
        github_token: ${{ secrets.GITHUB_TOKEN }}