name: GitHub Sync to Upstream Repository
on:
    schedule:
        - cron: "00 20 * * 0" # every sunday at 20 hours
    workflow_dispatch: # on button click

jobs:
    sync_with_upstream:
        runs-on: ubuntu-latest
        name: Sync master with upstream latest

    steps:
        # Step 1: run a standard checkout action, provided by github
        - name: Checkout master
          uses: actions/checkout@v2
          with:
              ref: master
              # submodules: 'recursive'     ### possibly needed in your situation

        # Step 2: run this sync action - specify the upstream repo, upstream branch to sync with, and target sync branch
        - name: Pull (Fast-Forward) upstream changes
          id: sync
          uses: aormsby/Fork-Sync-With-Upstream-action@v2.0
          with:
              upstream_repository: mail-in-a-box/mailinabox
              upstream_branch: master
              target_branch: upstream
              git_pull_args: --ff-only # optional arg use, defaults to simple 'pull'
              github_token: ${{ secrets.G_TOKEN }} # optional, for accessing repos that require authentication

        # Step 3: Display a message if 'sync' step had new commits (simple test)
        - name: Check for new commits
          if: steps.sync.outputs.has_new_commits
          run: echo "There were new commits."

        # Step 4: Print a helpful timestamp for your records (not required)
        - name: Timestamp
          run: date