name: Sync blocklists from upstream

on:
  schedule:
    - cron: '0 4 */7 * *'
  workflow_dispatch:

jobs:
  sync:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Fetch and merge upstream files
        run: python3 scripts/merge_blocklists.py

      - name: Commit and push if changed
        run: |
          git config user.name "gitea-actions"
          git config user.email "actions@gitea"
          git add .
          git diff --staged --quiet || git commit -m "Sync blocklists from upstream"
          git push