ci-nightly-race.yaml

name: CI - Nightly Race Detector

on:
  schedule:
    - cron: '0 6 * * *'  # 06:00 UTC daily
  workflow_dispatch:      # allow manual trigger

jobs:
  race-detector:
    runs-on: ubuntu-latest
    timeout-minutes: 30
    env:
      CGO_ENABLED: "1"  # Required by -race; explicit for documentation
    steps:
      - name: Checkout source
        uses: actions/checkout@v6

      - name: Cache system (apt) dependencies
        uses: actions/cache@v4
        with:
          path: apt-archives
          key: ${{ runner.os }}-apt-race-${{ hashFiles('**/.github/workflows/ci-nightly-race.yaml') }}
          restore-keys: |
            ${{ runner.os }}-apt-

      - name: Install system dependencies
        run: |
          mkdir -p apt-archives
          sudo cp -a apt-archives /var/cache/apt/archives
          sudo apt-get update
          sudo apt-get install -y libzmq3-dev pkg-config
          cp -a /var/cache/apt/archives/*.deb apt-archives 2>/dev/null || true

      - name: Extract Go version from go.mod
        run: sed -En 's/^go (.*)$/GO_VERSION=\1/p' go.mod >> "$GITHUB_ENV"

      - name: Set up Go with cache
        uses: actions/setup-go@v5
        with:
          go-version: "${{ env.GO_VERSION }}"
          cache-dependency-path: ./go.sum

      - name: Install dependencies
        run: go mod download

      - name: Run unit tests with race detector
        run: make unit-test-race