keepalive.yaml

name: keep-actions-alive
on:
  workflow_dispatch:
  schedule:
    - cron: '0 9 * * *'
permissions:
  contents: write
jobs:
  keepalive:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v5
        with:
          ref: main
          fetch-depth: 0

      - name: Commit empty change if last commit is older than 30 days
        shell: bash
        run: |
          set -euo pipefail

          git fetch origin main

          last_ts=$(git log -1 --format=%ct origin/main || git log -1 --format=%ct)
          now_ts=$(date +%s)
          thirty_days=$((30*24*60*60))

          if (( now_ts - last_ts > thirty_days )); then
            echo "Last commit is older than 30 days. Creating an empty commit..."
            git config user.name  "github-actions[bot]"
            git config user.email "41898282+github-actions[bot]@users.noreply.github.com"

            git commit --allow-empty -m "Keep scheduled Actions alive ($(date -u +%F))"
            git push origin HEAD:main
          else
            echo "Last commit is recent enough; skipping."
          fi