build.yml

name: Build and test
on:
  # Build PRs and branches.
  pull_request:
    paths-ignore:
      - .github/workflows/deploy-tagged.yml
  push:
    branches:
      - '**'
    tags-ignore:
      - '**'
    paths-ignore:
      - .github/workflows/deploy-tagged.yml

jobs:
  build:
    name: jdk ${{ matrix.java }}
    runs-on: ubuntu-latest
    strategy:
      matrix:
        # https://en.wikipedia.org/wiki/Java_version_history
        java: [ '8', '11' ] # LTS

    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Setup JDK
        uses: actions/setup-java@v3
        with:
          java-version: ${{ matrix.java }}
          distribution: 'temurin'

      - name: Setup Gradle
        uses: gradle/gradle-build-action@v2
        with:
          # The Gradle wrapper's version (already the default, putting it here to clarity)
          gradle-version: wrapper
          # Removing unused files from Gradle User Home before saving to cache (i.e. older versions of gradle)
          gradle-home-cache-cleanup: true
          # Cache downloaded JDKs in addition to the default directories.
          gradle-home-cache-includes: |
            caches
            notifications
            jdks

      - name: Build and test
        run: ./gradlew build --stacktrace