refresh-data.yml

name: Refresh external data

# Weekly: pull conference deadlines (ccfddl/ccf-deadlines) and GitHub org stats
# into _data/, commit if anything changed, and trigger a site deploy.
on:
  schedule:
    - cron: "0 5 * * 1" # Mondays 05:00 UTC
  workflow_dispatch:

permissions:
  contents: write
  actions: write

jobs:
  refresh:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"
      - name: Update _data
        env:
          GITHUB_TOKEN: ${{ github.token }}
        run: |
          pip install --quiet pyyaml
          python3 scripts/update_data.py
      - name: Commit and deploy if changed
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          if git diff --quiet -- _data; then
            echo "Data is up to date."
            exit 0
          fi
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add _data
          git commit -m "Refresh conference deadlines and stats"
          git push
          # Pushes made with the workflow token do not trigger other workflows;
          # start the deploy explicitly.
          gh workflow run jekyll.yml --ref main