gradle.yml

name: Java CI with Gradle

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

jobs:
  build:
    runs-on: ubuntu-latest

    env:
      LATEST_VERSION: "1.21"
      INCLUDE_DEVLIBS: "true"
      
      # Warning: Don't add too many versions because it takes a lot of space in the artifacts,
      # and I've gotten an email from GitHub about it so please just don't.
      VERSIONS_TO_BUILD: "1.16.5 1.17.1 1.18.2 1.20.4 1.21"

    steps:
      - uses: actions/checkout@v2

      - name: Set up JDK 21
        uses: actions/setup-java@v2
        with:
          java-version: '21'
          distribution: 'adopt'

      - name: Grant execute permission for gradlew
        run: chmod +x gradlew

      - name: Create versions directory and mainProject
        run: |
          mkdir -p ./versions
          if [ ! -f ./versions/mainProject ]; then
            echo $LATEST_VERSION > ./versions/mainProject
          fi

      - name: Build with Gradle
        run: ./gradlew build

      - name: Create artifact directory structure
        run: |
          mkdir -p artifacts
          for version in $VERSIONS_TO_BUILD; do
            mkdir -p artifacts/$version/libs
            cp ./versions/$version/build/libs/*.jar artifacts/$version/libs/
            if [ "$INCLUDE_DEVLIBS" = "true" ]; then
              mkdir -p artifacts/$version/devlibs
              cp ./versions/$version/build/devlibs/*.jar artifacts/$version/devlibs/
            fi
          done

      - name: Compute hashes
        run: |
          touch artifacts/hashes.txt
          for jar in $(find artifacts -name '*.jar'); do
            sha256sum $jar >> artifacts/hashes.txt
          done

      - name: Archive Artifacts
        uses: actions/upload-artifact@v2
        with:
          name: Artifacts
          path: artifacts