name: Build check
on: [push, pull_request]

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Clone repo
        uses: actions/checkout@v2

      - name: Validate Gradle Wrapper
        uses: gradle/wrapper-validation-action@v1

      - name: Set up JDK 1.8
        uses: actions/setup-java@v1
        with:
          java-version: 1.8

      - name: Copy CI gradle.properties
        run: |
          mkdir -p ~/.gradle
          cp .github/runner-files/ci-gradle.properties ~/.gradle/gradle.properties

      - name: Generate Gradle cache key
        run: ./.github/runner-files/checksum.sh checksum.txt

      - name: Cache Gradle dependencies
        uses: actions/cache@v2
        continue-on-error: true # continue if the cache restore/upload fails
        with:
          path: |
            ~/.gradle/caches/build-cache-*
            ~/.gradle/caches/jars-*
            ~/.gradle/caches/modules-*
          key: ${{ runner.os }}-gradle-${{ hashFiles('checksum.txt') }}

      - name: Build app
        run: ./gradlew assembleStandardDebug