name: Cleanup NixOS Generations
on:
  schedule:
    - cron: '0 2 * * 0'  # Every Sunday at 2am
  workflow_dispatch:

jobs:
  cleanup-generations:
    runs-on: [home-server]
    steps:
      - name: Cleanup old NixOS generations
        run: |
          echo "Deleting generations older than 7 days..."
          sudo nix-collect-garbage --delete-older-than 7d

  notify-on-failure:
    runs-on: home-server
    needs: cleanup-generations
    if: failure()
    uses: ./.gitea/workflows/notify-ntfy.yml
    secrets:
      NTFY_CHANNEL: ${{ secrets.NTFY_CHANNEL }}
    with:
      title: "NixOS Cleanup Failed"
      message: |
        Failed to cleanup old NixOS generations
      action_url: "https://git.alexmickelson.guru/${{ gitea.repository }}/actions/runs/${{ gitea.run_number }}"
      priority: "high"
      tags: "rotating_light,nixos"