name: Build & Upload Rockspec

on:
  push:
  pull_request:
  workflow_dispatch:

concurrency:
  group: rockspec-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout Git submodules
        uses: actions/checkout@v6
        with:
          submodules: true
          fetch-depth: 0

      - name: Install LuaRocks & build
        run: |
          sudo apt-get install -y luarocks
          luarocks pack np-sleep-2.0.0-1.rockspec

      - name: Upload rock artifact
        uses: actions/upload-artifact@v4
        if: ${{ github.ref == 'refs/heads/master' }}
        with:
          name: rockspec-artifact
          path: "*.rock"
          compression-level: 0
          retention-days: 30