cve/.github/workflows/hot_cves.yml

name: Hot CVEs List

# Fired every hour at :05 by pacemaker.yml. No cron here: GitHub's scheduler
# creates cron runs hours late, which is the whole reason the pacemaker exists.
on:
  workflow_dispatch:

permissions:
  contents: write
  actions: write

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

jobs:
  ScheduledRun:
    runs-on: ubuntu-latest
    timeout-minutes: 20
    steps:
      - name: Checkout repository
        uses: actions/checkout@v7
        with:
          ref: main

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

      - name: Publish saved candidates and refresh pending CVE metadata
        id: pending
        continue-on-error: true
        run: python3 scripts/update_cves.py --pending-only

      # Every repository pushed in the last day that names a CVE of this year
      # or last, with its README read and the classifier applied, so a PoC
      # published this morning is on the site within the hour. The daily run
      # keeps covering every year and the CVE record references.
      - name: Discover this year's PoCs pushed in the last day
        id: discovery
        continue-on-error: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: python3 scripts/update_cves.py --lookback-days 1 --years 2 --skip-cvelist

      - name: Refresh repository metadata and remove confirmed dead links
        id: repository_metadata
        continue-on-error: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: python3 scripts/sync_repo_metadata.py

      - name: Rebuild the trending PoC table
        id: trending
        continue-on-error: true
        # Leave time to publish discoveries if this optional refresh stalls.
        timeout-minutes: 4
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: python3 .github/getTrending.py

      - name: Ingest the current candidates
        id: ingest
        continue-on-error: true
        if: steps.trending.outcome == 'success'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: python3 scripts/sync_pocingithub.py --input index/trending.json

      - name: Record published artifact releases
        run: python3 scripts/releases.py --record

      - name: Redraw the banner and recount the index
        run: |
          # Counts the corpus with the site build's own parser, so the banner can
          # never disagree with the site, and drops the figures in docs/stats.json
          # for the README badges to quote.
          python3 .github/hero.py

      - name: Refresh README counts
        run: python3 .github/getTrending.py --counts-only

      - name: Check for changes and commit
        id: commit
        run: |
          git config user.name 'CVE-BOT'
          git config user.email '[email protected]'
          git add --all -- \
            README.md \
            .github/repo_metadata_state.json \
            index/link_health.json \
            index/repo_meta.json \
            index/metadata/ \
            index/trending.json \
            index/github.txt \
            index/references.txt \
            index/reference_pocs.txt \
            index/cve_dates.json \
            index/cve_record_state.json \
            index/github_discovery_state.json \
            index/source_artifact_reviews.json \
            index/source_artifact_candidates.json \
            docs/hero.svg \
            docs/social-card.svg \
            docs/stats.json \
            docs/kev.svg \
            index/releases/ \
            cves/
          if git diff --cached --quiet; then
            echo "No changes to commit"
            exit 0
          fi

          git commit -m "Trending CVEs update $(date -u +'%Y-%m-%d %H:%M') :robot:"

          for attempt in 1 2 3; do
            if git push origin HEAD:main; then
              echo "pushed=true" >> "$GITHUB_OUTPUT"
              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 || { git rebase --abort; exit 1; }
          done
          exit 1

      # Commits pushed with the workflow token raise no push event, so site.yml
      # would otherwise wait for its daily schedule. Dispatching is exempt.
      - name: Rebuild and deploy the site
        if: steps.commit.outputs.pushed == 'true'
        env:
          GH_TOKEN: ${{ github.token }}
        run: gh workflow run site.yml --ref main

      - name: Report incomplete refresh
        if: steps.pending.outcome == 'failure' || steps.discovery.outcome == 'failure' || steps.repository_metadata.outcome == 'failure' || steps.trending.outcome == 'failure' || steps.ingest.outcome == 'failure'
        run: exit 1