name: Java CI

on: [push, pull_request]

jobs:
  build:

    runs-on: ubuntu-20.04

    steps:
    - uses: actions/checkout@v2
    - name: Set up JDK
      uses: actions/setup-java@v1
      with:
        java-version: 15
    - name: Cache Gradle packages
      uses: actions/cache@v2
      with:
        path: ~/.gradle/caches
        key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
        restore-keys: ${{ runner.os }}-gradle
    - name: Build
      run: gradle check