Fastfile

default_platform(:ios)

platform :ios do
  desc "Creates a zip archive containing a compiled YapDatabase XCFramework with iOS, iOS Simulator, and Mac Catalyst slices."
  lane :build_xcframework do
    BUILD_DIR = "./build"
    MODULE_NAME = "YapDatabase"

    build_destinations = {
      "iOS": "generic/platform=iOS",
      "iOS Simulator": "generic/platform=iOS Simulator",
      "Mac Catalyst": "generic/platform=macOS,variant=Mac Catalyst,name=Any Mac",
    }

    build_destinations.each do |platform, destination|
      archive_for_xcframework(
        destination: destination,
        archive_path: "#{BUILD_DIR}/#{MODULE_NAME}-#{platform}.xcarchive",
      )  
    end

    # This is necessary due to a Swift compiler bug that emits an invalid interface when the module name shares a name
    # with a public type. See https://github.com/apple/swift/issues/56573
    shell_command =
      # List paths of all .swiftinterface files containing <MODULE_NAME>.* prefix.
      "grep -rli \"#{MODULE_NAME}.*\" ../#{BUILD_DIR}/#{MODULE_NAME}-*.xcarchive/Products/Library/Frameworks/#{MODULE_NAME}.framework/Modules/#{MODULE_NAME}.swiftmodule/*.swiftinterface" +
      # Replace grep output newlines with NULL bytes
      " | tr \\\\n \\\\0" +
      # Remove <MODULE_NAME>. prefix from all identifiers. (using NULL byte as delimiter, for `xargs` to properly to handle paths with spaces).
      " | xargs -0 sed -E -i '' \"s/#{MODULE_NAME}\\.([^ ]*)/\\1/g\""

    # Note: `sh` function's working directory is [root]/fastlane.
    # See https://docs.fastlane.tools/advanced/fastlane/#directory-behavior
    sh(shell_command)

    create_xcframework(
      frameworks: build_destinations.keys.map { |platform|
        "#{BUILD_DIR}/#{MODULE_NAME}-#{platform}.xcarchive/Products/Library/Frameworks/#{MODULE_NAME}.framework"
      },
      output: "#{BUILD_DIR}/#{MODULE_NAME}.xcframework"
    )

    zip(
      path: "#{BUILD_DIR}/#{MODULE_NAME}.xcframework",
      output_path: "#{BUILD_DIR}/#{MODULE_NAME}.xcframework.zip"
    )
  end

  desc "Helper lane for creating an XCArchive for the specified destination."
  private_lane :archive_for_xcframework do |options|
    xcodebuild(
      archive: true,
      project: "YapDatabase.xcodeproj",
      scheme: "YapDatabase-iOS",
      configuration: "Release",
      destination: options[:destination],
      archive_path: options[:archive_path],
      xcargs: "VALIDATE_WORKSPACE=NO SKIP_INSTALL=NO GCC_INSTRUMENT_PROGRAM_FLOW_ARCS=NO CLANG_ENABLE_CODE_COVERAGE=NO STRIP_INSTALLED_PRODUCT=NO BUILD_LIBRARY_FOR_DISTRIBUTION=YES"
    )
  end
end