name: 'esmeta test262'

on: [pull_request]

jobs:
  esmeta-test262:
    name: 'esmeta test262'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout 
        uses: actions/checkout@v4
      - name: Setup JDK
        uses: actions/setup-java@v3
        with:
          distribution: temurin
          java-version: 17
      - name: Setup SBT
        uses: sbt/setup-sbt@v1
        if: ${{ hashFiles('/usr/bin/sbt') == '' }}
        # https://www.peterbe.com/plog/how-to-run-workflow-step-if-a-file-exists
      - name: Add to PATH
        shell: bash
        run: |
          echo "ESMETA_HOME=$(pwd)/vendor/esmeta" >> $GITHUB_ENV
      - name: download esmeta
        run: |
          mkdir -p "${ESMETA_HOME}"
          git clone --branch v0.4.2 --depth 1 https://github.com/es-meta/esmeta.git "${ESMETA_HOME}"
          cd "${ESMETA_HOME}" && git submodule update --init --depth 1
      - name: build esmeta
        working-directory: ${{ env.ESMETA_HOME }}
        run: sbt assembly

      - name: Identify new or changed tests
        id: changed_tests
        uses: tj-actions/changed-files@v45
        with:
          files: test/

      - name: run test262
        if: steps.changed_tests.outputs.any_changed == 'true'
        env:
          CHANGED: ${{ steps.changed_tests.outputs.all_changed_files }}
        run: |
          echo New or modified test files:
          for file in $CHANGED; do
            echo $file
          done
          "${ESMETA_HOME}"/bin/esmeta test262-test -status -test262dir=$(pwd) $CHANGED