name: 'Build master'

on:
  pull_request:
    branches: [ master ]

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v2
      - name: Set up JDK 1.8
        uses: actions/setup-java@v1
        with:
          java-version: 1.8
      - name: Grant execute permission for gradlew
        run: chmod +x gradlew
      - name: Use gradle cache for faster builds
        uses: actions/cache@v1
        with:
          path: ~/.gradle/caches
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
      - name: Build with Gradle
        run: |
          echo "::set-env name=PR_NUMBER::$(jq --raw-output .pull_request.number "$GITHUB_EVENT_PATH")"
          ./gradlew build
      - uses: actions/upload-artifact@v2
        with:
          name: jar-artifacts
          path: build/libs/appliedenergistics2-?.?.?+pr.*[0-9].jar