name: Java CI

on: [push, pull_request]

jobs:
  tests:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
      - name: Set up JDK 11
        uses: actions/setup-java@v2
        with:
          java-version: '11'
          distribution: 'adopt'
      - name: Build with Maven
        run: mvn --batch-mode --update-snapshots verify
          
  pack-artifacts:
    runs-on: ubuntu-latest
    needs: tests
    if: github.ref == 'refs/heads/master'
    steps:
      - uses: actions/checkout@v2
      - name: Set up JDK 11
        uses: actions/setup-java@v2
        with:
          java-version: '11'
          distribution: 'adopt'
      - name: Build with Maven
        run: mvn --batch-mode --update-snapshots verify
      - uses: actions/upload-artifact@v2
        with:
          name: artifacts
          path: ${{ github.workspace }}/*/target/*.jar