update.yml

name: Update CKEditor 4 submodule

on:
  schedule:
  - cron: "0 0,10,16 * * *"

jobs:
  update:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        branch: [master, major]

    steps:
      - name: Fetch changes
        # https://github.com/marketplace/actions/checkout
        uses: actions/checkout@v2
        with:
          ref: ${{ matrix.branch }}

      - name: Checkout submodules
        run: |
          git submodule update --init --recursive

      - name: Bump "ckeditor" submodule
        run: |
          cd ckeditor
          git fetch --all
          git checkout ${{ matrix.branch }}
          cd ..
          if [[ $(git diff origin/${{ matrix.branch }} | wc -c) -ne 0 ]]; then
            git config --local user.email "ckeditor-bot@cksource.com"
            git config --local user.name "CKEditor Bot"
            git add ckeditor
            git commit -m "Update CKEditor 4 submodule HEAD."
          fi

      - name: Push changes
        # https://github.com/marketplace/actions/github-push
        uses: ad-m/github-push-action@master
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          branch: ${{ matrix.branch }}