.github/workflows/docs.yml

name: Docs

on:
  push:
    branches:
    - main
  pull_request:
  workflow_dispatch:

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

permissions:
  contents: read

jobs:
  build:
    name: Build docs
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: '3.12'

    - name: Install Python dependencies
      run: |
        python -m pip install uv
        uv pip --quiet install --system --upgrade ".[docs,test]"
        uv pip install --system yq
        python -m pip list

    - name: Install apt-get dependencies
      run: |
        sudo apt-get update
        # Ubuntu 22.04's pandoc is too old (2.9.2.x), so install manually
        # until the ubuntu-latest updates.
        curl --silent --location --remote-name https://github.com/jgm/pandoc/releases/download/3.1.6.2/pandoc-3.1.6.2-1-amd64.deb
        sudo apt-get install ./pandoc-*amd64.deb

    - name: Check docstrings
      run: |
        # Group 1 is related to docstrings
        pydocstyle --select D1 src/pyhf/pdf.py \
                               src/pyhf/workspace.py \
                               src/pyhf/probability.py \
                               src/pyhf/patchset.py \
                               src/pyhf/compat.py \
                               src/pyhf/interpolators \
                               src/pyhf/infer \
                               src/pyhf/optimize \
                               src/pyhf/contrib \
                               src/pyhf/cli

    - name: Verify CITATION.cff schema
      run: |
        jsonschema <(curl -sL "https://citation-file-format.github.io/1.2.0/schema.json") --instance <(cat CITATION.cff | yq)

    - name: Check for broken links
      run: |
        pushd docs
        make linkcheck
        # Don't ship the linkcheck
        rm -r _build/linkcheck
        popd

    - name: Test and build docs
      run: |
        python -m doctest README.rst
        pushd docs
        make html

    - name: Check schemas are copied over
      run: |
        # is a directory
        [ -d "docs/_build/html/schemas" ]
        # is not a symlink
        [ ! -L "docs/_build/html/schemas" ]
        # is not empty
        [ "$(ls -A docs/_build/html/schemas)" ]
        # is not empty
        [ "$(ls -A docs/_build/html/lite)" ]

    - name: Fix permissions if needed
      run: |
        chmod -c -R +rX "docs/_build/html/" | while read line; do
          echo "::warning title=Invalid file permissions automatically fixed::$line"
        done

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

  deploy:
    name: Deploy docs to GitHub Pages
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    needs: build
    # Set permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
    permissions:
      contents: read
      pages: write
      id-token: write

    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}

    runs-on: ubuntu-latest

    steps:
    - name: Setup Pages
      uses: actions/configure-pages@v5

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