deploy.yml

name: CI/CD Pipeline

on:
  push:
    branches: [ master, publish ]
  pull_request:
    branches: [ master, publish ]

permissions:
  contents: write

jobs:
  # Build job
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v5
        with:
          fetch-depth: 0 # Fetch all history for .GitInfo and .Lastmod

      - name: Setup Ruby
        uses: ruby/setup-ruby@v1
        with:
          ruby-version: '3.3.5'
          bundler-cache: true # runs 'bundle install' and caches installed gems automatically

      - name: Setup Node.js
        uses: actions/setup-node@v5
        with:
          node-version-file: '.nvmrc'
          cache: 'npm'

      - name: Install Node.js dependencies
        run: npm ci

      - name: Lint JavaScript
        run: npm run lint

      - name: Build site
        run: npm run build
        env:
          JEKYLL_ENV: production

      - name: Upload build artifacts
        uses: actions/upload-artifact@v4
        with:
          name: site-build
          path: _site/
          retention-days: 1

  # Deployment job - push built files to master branch
  deploy:
    runs-on: ubuntu-latest
    needs: build
    if: github.ref == 'refs/heads/publish' && github.event_name == 'push'
    steps:
      - name: Checkout master branch
        uses: actions/checkout@v5
        with:
          ref: master
          token: ${{ secrets.GITHUB_TOKEN }}
          fetch-depth: 0

      - name: Download build artifacts
        uses: actions/download-artifact@v4
        with:
          name: site-build
          path: _site/

      - name: Deploy to master branch
        run: |
          # Configure git
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          
          # Remove all files except .git and _site
          find . -maxdepth 1 ! -name '.git' ! -name '_site' ! -name '.' ! -name '..' -exec rm -rf {} +
          
          # Copy built site files to root (GitHub Pages expects files in root, not in _site)
          cp -r _site/* .
          
          # Remove the _site directory (not needed for GitHub Pages)
          rm -rf _site
          
          # Add and commit changes
          git add -A
          if git diff --staged --quiet; then
            echo "No changes to deploy"
          else
            git commit -m "CI deploy to gh-pages from publish@${{ github.sha }}"
            git push origin master
          fi