name: Maven CI

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:
  build_and_test:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2
    - name: Set up JDK 16
      uses: actions/setup-java@v1
      with:
        java-version: 16

    - name: Cache maven packages to speed up build
      uses: actions/cache@v1
      with:
        path: ~/.m2
        key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
        restore-keys: ${{ runner.os }}-m2

    - name: Build with Maven
      run: mvn -B package --file pom.xml

    - uses: actions/upload-artifact@v1
      with:
        name: Extras
        path: target/Extras.jar