name: Sync Exploit Archives

on:
  workflow_dispatch:
  schedule:
    - cron: '50 4 * * *'

permissions:
  contents: write

concurrency:
  group: repository-updates
  cancel-in-progress: false

jobs:
  ScheduledRun:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v7

      - name: Set up Python
        uses: actions/setup-python@v7
        with:
          python-version: '3.13'

      - name: Pull ExploitDB, Metasploit and Vulhub into the index
        run: python3 scripts/sync_exploits.py

      - name: Verify the generated index
        run: |
          python3 -m unittest discover -s tests
          python3 scripts/build_site.py

      - name: Check for changes and commit
        run: |
          git config user.name 'CVE-BOT'
          git config user.email 'cve@codepwn.win'
          git add --all -- index/cve_dates.json index/cve_record_state.json cves/
          
          if git diff --cached --quiet; then
            echo "No changes to commit"
            exit 0
          fi

          git commit -m "Sync exploit archives $(date -u +'%Y-%m-%d') :robot:"

          for attempt in 1 2 3; do
            if git push origin HEAD:main; then
              exit 0
            fi
            echo "Push rejected; replaying onto the current main (attempt $attempt)"
            git fetch --unshallow origin main 2>/dev/null || git fetch origin main
            git rebase FETCH_HEAD
          done
          exit 1