name: Jekyll site CI

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2
    # Use GitHub Actions' cache to shorten build times and decrease load on servers
    - uses: actions/cache@v2
      with:
        path: vendor/bundle
        key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile') }}
        restore-keys: |
          ${{ runner.os }}-gems-

    # Specify the target branch (optional)
    - name: Jekyll Actions
      uses: helaili/jekyll-action@2.2.0
      with:
        token: ${{ secrets.GITHUB_TOKEN }}
        keep_history: true
        target_branch: 'gh-pages'