build-pull-request.yml

name: Build Pull Request

on: [pull_request]

jobs:
  check_file_changes:
    name: Check file changes
    outputs:
      has_csharp_changes: ${{ steps.check_files.outputs.has_csharp_changes }}
      has_go_changes: ${{ steps.check_files.outputs.has_go_changes }}
      has_java_changes: ${{ steps.check_files.outputs.has_java_changes }}
      has_python_changes: ${{ steps.check_files.outputs.has_python_changes }}
      has_typescript_changes: ${{ steps.check_files.outputs.has_typescript_changes }}

    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
        with:
          fetch-depth: 2

      - name: Check files
        id: check_files
        run: |
          echo "========== categorization of changed files =========="
          for file in $(git diff --name-only ${{ github.event.pull_request.base.sha }} ${{ github.sha }})
          do
            echo -n "$file => "

            case $file in
            csharp/*)
              echo "C#"
              echo "::set-output name=has_csharp_changes::true"
              ;;

            go/*)
              echo "Go"
              echo "::set-output name=has_go_changes::true"
              ;;

            java/*)
              echo "Java"
              echo "::set-output name=has_java_changes::true"
              ;;

            python/*)
              echo "Python"
              echo "::set-output name=has_python_changes::true"
              ;;

            typescript/*)
              echo "TypeScript"
              echo "::set-output name=has_typescript_changes::true"
              ;;

            *)
              echo "<unmatched>"
              ;;
            esac
          done

  build:
    needs: check_file_changes
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
    - name: Runs docker builds with JSII superchain
      run: |
        HAS_CSHARP_CHANGES="${{needs.check_file_changes.outputs.has_csharp_changes}}"
        HAS_GO_CHANGES="${{needs.check_file_changes.outputs.has_go_changes}}"
        HAS_JAVA_CHANGES="${{needs.check_file_changes.outputs.has_java_changes}}"
        HAS_PYTHON_CHANGES="${{needs.check_file_changes.outputs.has_python_changes}}"
        HAS_TYPESCRIPT_CHANGES="${{needs.check_file_changes.outputs.has_typescript_changes}}"

        if [ "${HAS_CSHARP_CHANGES}" == "true" ]; then
          docker run --rm --net=host -t -v $PWD:$PWD -w $PWD jsii/superchain:1-buster-slim-node14 /bin/bash -c "scripts/build-csharp.sh"
        fi

        if [ "${HAS_GO_CHANGES}" == "true" ]; then
          docker run --rm --net=host -t -v $PWD:$PWD -w $PWD jsii/superchain:1-buster-slim-node14 /bin/bash -c "scripts/build-go.sh"
        fi

        if [ "${HAS_JAVA_CHANGES}" == "true" ]; then
          docker run --rm --net=host -t -v $PWD:$PWD -w $PWD jsii/superchain:1-buster-slim-node14 /bin/bash -c "scripts/build-java.sh"
        fi

        if [ "${HAS_PYTHON_CHANGES}" == "true" ]; then
          docker run --rm --net=host -t -v $PWD:$PWD -w $PWD jsii/superchain:1-buster-slim-node14 /bin/bash -c "scripts/build-python.sh"
        fi

        if [ "${HAS_TYPESCRIPT_CHANGES}" == "true" ]; then
          docker run --rm --net=host -t -v $PWD:$PWD -w $PWD jsii/superchain:1-buster-slim-node14 /bin/bash -c "scripts/build-typescript.sh"
        fi