deploy-to-gh-pages.yml

name: Deploy to GitHub Pages
on:
  workflow_dispatch:
  push:
    branches: [ master ]
jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v4
      with:
        ref: master
        path: website
      
    - uses: actions/setup-node@v4
      with:
        node-version: '20'

    - name: Build
      run: |
        cd website
        npm install
        gulp build

    - name: Create Directory Stucture
      run: |
        mkdir tmp
        mv website/sitemap.xml tmp/
        cd website
        find . -type f ! -name '*.html' ! -name '*.pdf' -maxdepth 1 -mindepth 1  -delete
        find . -type d -not -name 'dist' -not -name '.git' -maxdepth 1 -mindepth 1 -exec rm -rf {} \;
        # After this bulk-delete, copy across some other necessary files from the master branch:
        git checkout master -- NOTICE
        git checkout master -- LICENSE
        cp ../tmp/sitemap.xml .
        git checkout master -- robots.txt
        git checkout master -- CNAME
        echo "These files are ready to be moved onto the production web server:"
        ls

    # Package the artefacts using actions/upload-pages-artifact
    - name: Upload Pages Artifact
      uses: actions/upload-pages-artifact@v3
      with:
        path: ./website

  # Deploy job
  deploy:
    # Add a dependency to the build job
    needs: build

    # Grant GITHUB_TOKEN the permissions required to make a Pages deployment
    permissions:
      pages: write      # to deploy to Pages
      id-token: write   # to verify the deployment originates from an appropriate source

    # Deploy to the github-pages environment
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}

    # Specify runner + deployment step
    runs-on: ubuntu-latest
    steps:
      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v4