build.yml

name: Build and upload jar

on: [ push, pull_request ]

jobs:
  build:
    # Only run on PRs if the source branch is on someone else's repo
    if: "${{ github.event_name != 'pull_request' || github.repository != github.event.pull_request.head.repo.full_name }}"

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
      - name: Set up JDK 21
        uses: actions/setup-java@v4
        with:
          java-version: 21
          distribution: 'temurin'
      - uses: actions/cache@v4
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: |
            ${{ runner.os }}-gradle-
      - name: Build with Gradle
        run: ./gradlew build
      - name: Upload a Build Artifact
        uses: actions/upload-artifact@v4.4.3
        with:
          # Artifact name
          name: PistonMOTD
          # A file, directory or wildcard pattern that describes what to upload
          path: build/libs/*.jar