name: Continuous Integration - Docs

on:
  push:
    branches:
      - master
    paths:
      - .github/workflows/docs.yml
      - "docs/**"
  workflow_dispatch:

jobs:
  deploy:
    runs-on: ubuntu-18.04
    steps:
      - name: Checkout sources
        uses: actions/checkout@v2

      - name: Setup mdBook
        uses: peaceiris/actions-mdbook@v1
        with:
          mdbook-version: '0.4.2'

      - name: Build book
        run: mdbook build ./docs

      - name: Deploy on gh-pages
        uses: peaceiris/actions-gh-pages@v3
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          publish_dir: ./docs/book
