build.yaml

name: Build and Test

on:
  push:
    branches:
      - main
  pull_request: {}

# Bazel-free CI: the generator is built and run via src/run-scalac (JDK 8 + Maven-fetched
# Scala 2.11 compiler), matching how the engine and test-suite regenerate. Two checks —
# one per JVM backend surface: the classic Java one and the new Kotlin one.
jobs:
  java-backend:
    name: Java backend (regenerate + golden drift)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Set up JDK 8
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: '8'

      - name: Regenerate the test-suite (run-scalac)
        run: |
          export DJINNI_NO_BAZEL=1
          export DJINNI_RUNNER="$PWD/src/run-scalac"
          ./test-suite/run_djinni.sh

      - name: Verify goldens are in sync (no drift)
        run: |
          if [ -n "$(git status --porcelain test-suite/generated-src)" ]; then
            echo "::error::Generated sources drifted from committed goldens. Run test-suite/run_djinni.sh and commit."
            git status --porcelain test-suite/generated-src
            git --no-pager diff test-suite/generated-src
            exit 1
          fi
          echo "Goldens in sync."

  kotlin-backend:
    name: Kotlin backend (compile -Werror)
    runs-on: ubuntu-latest
    env:
      KOTLIN_VERSION: 2.1.20
    steps:
      - uses: actions/checkout@v4

      - name: Set up JDK 8
        uses: actions/setup-java@v4
        with:
          distribution: temurin
          java-version: '8'

      - name: Install Kotlin compiler
        run: |
          curl -sSLo /tmp/kotlin.zip \
            "https://github.com/JetBrains/kotlin/releases/download/v${KOTLIN_VERSION}/kotlin-compiler-${KOTLIN_VERSION}.zip"
          unzip -q /tmp/kotlin.zip -d "$HOME"
          echo "$HOME/kotlinc/bin" >> "$GITHUB_PATH"

      - name: Kotlin golden compile check (-Werror)
        run: ./test-suite/kotlin-compile-check/check.sh