packages/flutter_tools/bin/xcode_backend.dart - mirrors/flutter - Git at Google

 // Copyright 2014 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 import 'dart:io';

 void main(List<String> arguments) {
   File? scriptOutputStreamFile;
   final String? scriptOutputStreamFileEnv = Platform.environment['SCRIPT_OUTPUT_STREAM_FILE'];
   if (scriptOutputStreamFileEnv != null && scriptOutputStreamFileEnv.isNotEmpty) {
     scriptOutputStreamFile = File(scriptOutputStreamFileEnv);
   }
   Context(
     arguments: arguments,
     environment: Platform.environment,
     scriptOutputStreamFile: scriptOutputStreamFile,
   ).run();
 }

 /// Container for script arguments and environment variables.
 ///
 /// All interactions with the platform are broken into individual methods that
 /// can be overridden in tests.
 class Context {
   Context({
     required this.arguments,
     required this.environment,
     File? scriptOutputStreamFile,
   }) {
     if (scriptOutputStreamFile != null) {
       scriptOutputStream = scriptOutputStreamFile.openSync(mode: FileMode.write);
     }
   }

   final Map<String, String> environment;
   final List<String> arguments;
   RandomAccessFile? scriptOutputStream;

   void run() {
     if (arguments.isEmpty) {
       // Named entry points were introduced in Flutter v0.0.7.
       stderr.write(
           'error: Your Xcode project is incompatible with this version of Flutter. '
           'Run "rm -rf ios/Runner.xcodeproj" and "flutter create ." to regenerate.\n');
       exit(-1);
     }

     final String subCommand = arguments.first;
     switch (subCommand) {
       case 'build':
         buildApp();
         break;
       case 'thin':
         // No-op, thinning is handled during the bundle asset assemble build target.
         break;
       case 'embed':
         embedFlutterFrameworks();
         break;
       case 'embed_and_thin':
         // Thinning is handled during the bundle asset assemble build target, so just embed.
         embedFlutterFrameworks();
         break;
       case 'test_observatory_bonjour_service':
         // Exposed for integration testing only.
         addObservatoryBonjourService();
     }
   }

   bool existsDir(String path) {
     final Directory dir = Directory(path);
     return dir.existsSync();
   }

   bool existsFile(String path) {
     final File file = File(path);
     return file.existsSync();
   }

   /// Run given command in a synchronous subprocess.
   ///
   /// Will throw [Exception] if the exit code is not 0.
   ProcessResult runSync(
     String bin,
     List<String> args, {
     bool verbose = false,
     bool allowFail = false,
     String? workingDirectory,
   }) {
     if (verbose) {
       print('♦ $bin ${args.join(' ')}');
     }
     final ProcessResult result = Process.runSync(
       bin,
       args,
       workingDirectory: workingDirectory,
     );
     if (verbose) {
       print((result.stdout as String).trim());
     }
     if ((result.stderr as String).isNotEmpty) {
       echoError((result.stderr as String).trim());
     }
     if (!allowFail && result.exitCode != 0) {
       stderr.write('${result.stderr}\n');
       throw Exception(
         'Command "$bin ${args.join(' ')}" exited with code ${result.exitCode}',
       );
     }
     return result;
   }

   /// Log message to stderr.
   void echoError(String message) {
     stderr.writeln(message);
   }

   /// Log message to stdout.
   void echo(String message) {
     stdout.write(message);
   }

   /// Exit the application with the given exit code.
   ///
   /// Exists to allow overriding in tests.
   Never exitApp(int code) {
     exit(code);
   }

   /// Return value from environment if it exists, else throw [Exception].
   String environmentEnsure(String key) {
     final String? value = environment[key];
     if (value == null) {
       throw Exception(
         'Expected the environment variable "$key" to exist, but it was not found',
       );
     }
     return value;
   }

   // When provided with a pipe by the host Flutter build process, output to the
   // pipe goes to stdout of the Flutter build process directly.
   void streamOutput(String output) {
     scriptOutputStream?.writeStringSync('$output\n');
   }

   String parseFlutterBuildMode() {
     // Use FLUTTER_BUILD_MODE if it's set, otherwise use the Xcode build configuration name
     // This means that if someone wants to use an Xcode build config other than Debug/Profile/Release,
     // they _must_ set FLUTTER_BUILD_MODE so we know what type of artifact to build.
     final String? buildMode = (environment['FLUTTER_BUILD_MODE'] ?? environment['CONFIGURATION'])?.toLowerCase();

     if (buildMode != null) {
       if (buildMode.contains('release')) {
         return 'release';
       }
       if (buildMode.contains('profile')) {
         return 'profile';
       }
       if (buildMode.contains('debug')) {
         return 'debug';
       }
     }
     echoError('========================================================================');
     echoError('ERROR: Unknown FLUTTER_BUILD_MODE: $buildMode.');
     echoError("Valid values are 'Debug', 'Profile', or 'Release' (case insensitive).");
     echoError('This is controlled by the FLUTTER_BUILD_MODE environment variable.');
     echoError('If that is not set, the CONFIGURATION environment variable is used.');
     echoError('');
     echoError('You can fix this by either adding an appropriately named build');
     echoError('configuration, or adding an appropriate value for FLUTTER_BUILD_MODE to the');
     echoError('.xcconfig file for the current build configuration (${environment['CONFIGURATION']}).');
     echoError('========================================================================');
     exitApp(-1);
   }

   // Adds the App.framework as an embedded binary and the flutter_assets as
   // resources.
   void embedFlutterFrameworks() {
     // Embed App.framework from Flutter into the app (after creating the Frameworks directory
     // if it doesn't already exist).
     final String xcodeFrameworksDir = '${environment['TARGET_BUILD_DIR']}/${environment['FRAMEWORKS_FOLDER_PATH']}';
     runSync(
       'mkdir',
       <String>[
         '-p',
         '--',
         xcodeFrameworksDir,
       ]
     );
     runSync(
       'rsync',
       <String>[
         '-8', // Avoid mangling filenames with encodings that do not match the current locale.
         '-av',
         '--delete',
         '--filter',
         '- .DS_Store',
         '${environment['BUILT_PRODUCTS_DIR']}/App.framework',
         xcodeFrameworksDir,
       ],
     );

     // Embed the actual Flutter.framework that the Flutter app expects to run against,
     // which could be a local build or an arch/type specific build.
     runSync(
       'rsync',
       <String>[
         '-av',
         '--delete',
         '--filter',
         '- .DS_Store',
         '${environment['BUILT_PRODUCTS_DIR']}/Flutter.framework',
         '$xcodeFrameworksDir/',
       ],
     );

     addObservatoryBonjourService();
   }

   // Add the observatory publisher Bonjour service to the produced app bundle Info.plist.
   void addObservatoryBonjourService() {
     final String buildMode = parseFlutterBuildMode();

     // Debug and profile only.
     if (buildMode == 'release') {
       return;
     }

     final String builtProductsPlist = '${environment['BUILT_PRODUCTS_DIR'] ?? ''}/${environment['INFOPLIST_PATH'] ?? ''}';

     if (!existsFile(builtProductsPlist)) {
       // Very occasionally Xcode hasn't created an Info.plist when this runs.
       // The file will be present on re-run.
       echo(
         '${environment['INFOPLIST_PATH'] ?? ''} does not exist. Skipping '
         '_dartobservatory._tcp NSBonjourServices insertion. Try re-building to '
         'enable "flutter attach".');
       return;
     }

     // If there are already NSBonjourServices specified by the app (uncommon),
     // insert the observatory service name to the existing list.
     ProcessResult result = runSync(
       'plutil',
       <String>[
         '-extract',
         'NSBonjourServices',
         'xml1',
         '-o',
         '-',
         builtProductsPlist,
       ],
       allowFail: true,
     );
     if (result.exitCode == 0) {
       runSync(
         'plutil',
         <String>[
           '-insert',
           'NSBonjourServices.0',
           '-string',
           '_dartobservatory._tcp',
           builtProductsPlist,
         ],
       );
     } else {
       // Otherwise, add the NSBonjourServices key and observatory service name.
       runSync(
         'plutil',
         <String>[
           '-insert',
           'NSBonjourServices',
           '-json',
           '["_dartobservatory._tcp"]',
           builtProductsPlist,
         ],
       );
       //fi
     }

     // Don't override the local network description the Flutter app developer
     // specified (uncommon). This text will appear below the "Your app would
     // like to find and connect to devices on your local network" permissions
     // popup.
     result = runSync(
       'plutil',
       <String>[
         '-extract',
         'NSLocalNetworkUsageDescription',
         'xml1',
         '-o',
         '-',
         builtProductsPlist,
       ],
       allowFail: true,
     );
     if (result.exitCode != 0) {
       runSync(
         'plutil',
         <String>[
           '-insert',
           'NSLocalNetworkUsageDescription',
           '-string',
           'Allow Flutter tools on your computer to connect and debug your application. This prompt will not appear on release builds.',
           builtProductsPlist,
         ],
       );
     }
   }

   void buildApp() {
     final bool verbose = environment['VERBOSE_SCRIPT_LOGGING'] != null && environment['VERBOSE_SCRIPT_LOGGING'] != '';
     final String sourceRoot = environment['SOURCE_ROOT'] ?? '';
     String projectPath = '$sourceRoot/..';
     if (environment['FLUTTER_APPLICATION_PATH'] != null) {
       projectPath = environment['FLUTTER_APPLICATION_PATH']!;
     }

     String targetPath = 'lib/main.dart';
     if (environment['FLUTTER_TARGET'] != null) {
       targetPath = environment['FLUTTER_TARGET']!;
     }

     final String buildMode = parseFlutterBuildMode();

     // Warn the user if not archiving (ACTION=install) in release mode.
     final String? action = environment['ACTION'];
     if (action == 'install' && buildMode != 'release') {
       echo(
         'warning: Flutter archive not built in Release mode. Ensure '
         'FLUTTER_BUILD_MODE is set to release or run "flutter build ios '
         '--release", then re-run Archive from Xcode.',
       );
     }

     String bitcodeFlag = '';
     if (environment['ENABLE_BITCODE'] == 'YES' && environment['ACTION'] == 'install') {
       bitcodeFlag = 'true';
     }

     final List<String> flutterArgs = <String>[];

     if (verbose) {
       flutterArgs.add('--verbose');
     }

     if (environment['FLUTTER_ENGINE'] != null && environment['FLUTTER_ENGINE']!.isNotEmpty) {
       flutterArgs.add('--local-engine-src-path=${environment['FLUTTER_ENGINE']}');
     }

     if (environment['LOCAL_ENGINE'] != null && environment['LOCAL_ENGINE']!.isNotEmpty) {
       flutterArgs.add('--local-engine=${environment['LOCAL_ENGINE']}');
     }

     flutterArgs.addAll(<String>[
       'assemble',
       '--no-version-check',
       '--output=${environment['BUILT_PRODUCTS_DIR'] ?? ''}/',
       '-dTargetPlatform=ios',
       '-dTargetFile=$targetPath',
       '-dBuildMode=$buildMode',
       '-dIosArchs=${environment['ARCHS'] ?? ''}',
       '-dSdkRoot=${environment['SDKROOT'] ?? ''}',
       '-dSplitDebugInfo=${environment['SPLIT_DEBUG_INFO'] ?? ''}',
       '-dTreeShakeIcons=${environment['TREE_SHAKE_ICONS'] ?? ''}',
       '-dTrackWidgetCreation=${environment['TRACK_WIDGET_CREATION'] ?? ''}',
       '-dDartObfuscation=${environment['DART_OBFUSCATION'] ?? ''}',
       '-dEnableBitcode=$bitcodeFlag',
       '--ExtraGenSnapshotOptions=${environment['EXTRA_GEN_SNAPSHOT_OPTIONS'] ?? ''}',
       '--DartDefines=${environment['DART_DEFINES'] ?? ''}',
       '--ExtraFrontEndOptions=${environment['EXTRA_FRONT_END_OPTIONS'] ?? ''}',
     ]);

     if (environment['PERFORMANCE_MEASUREMENT_FILE'] != null && environment['PERFORMANCE_MEASUREMENT_FILE']!.isNotEmpty) {
       flutterArgs.add('--performance-measurement-file=${environment['PERFORMANCE_MEASUREMENT_FILE']}');
     }

     final String? expandedCodeSignIdentity = environment['EXPANDED_CODE_SIGN_IDENTITY'];
     if (expandedCodeSignIdentity != null && expandedCodeSignIdentity.isNotEmpty && environment['CODE_SIGNING_REQUIRED'] != 'NO') {
       flutterArgs.add('-dCodesignIdentity=$expandedCodeSignIdentity');
     }

     if (environment['BUNDLE_SKSL_PATH'] != null && environment['BUNDLE_SKSL_PATH']!.isNotEmpty) {
       flutterArgs.add('-dBundleSkSLPath=${environment['BUNDLE_SKSL_PATH']}');
     }

     if (environment['CODE_SIZE_DIRECTORY'] != null && environment['CODE_SIZE_DIRECTORY']!.isNotEmpty) {
       flutterArgs.add('-dCodeSizeDirectory=${environment['CODE_SIZE_DIRECTORY']}');
     }

     flutterArgs.add('${buildMode}_ios_bundle_flutter_assets');

     final ProcessResult result = runSync(
       '${environmentEnsure('FLUTTER_ROOT')}/bin/flutter',
       flutterArgs,
       verbose: verbose,
       allowFail: true,
       workingDirectory: projectPath, // equivalent of RunCommand pushd "${project_path}"
     );

     if (result.exitCode != 0) {
       echoError('Failed to package $projectPath.');
       exitApp(-1);
     }

     streamOutput('done');
     streamOutput(' └─Compiling, linking and signing...');

     echo('Project $projectPath built and packaged successfully.');
   }
 }
	// Copyright 2014 The Flutter Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	import 'dart:io';

	void main(List<String> arguments) {
	File? scriptOutputStreamFile;
	final String? scriptOutputStreamFileEnv = Platform.environment['SCRIPT_OUTPUT_STREAM_FILE'];
	if (scriptOutputStreamFileEnv != null && scriptOutputStreamFileEnv.isNotEmpty) {
	scriptOutputStreamFile = File(scriptOutputStreamFileEnv);
	}
	Context(
	arguments: arguments,
	environment: Platform.environment,
	scriptOutputStreamFile: scriptOutputStreamFile,
	).run();
	}

	/// Container for script arguments and environment variables.
	///
	/// All interactions with the platform are broken into individual methods that
	/// can be overridden in tests.
	class Context {
	Context({
	required this.arguments,
	required this.environment,
	File? scriptOutputStreamFile,
	}) {
	if (scriptOutputStreamFile != null) {
	scriptOutputStream = scriptOutputStreamFile.openSync(mode: FileMode.write);
	}
	}

	final Map<String, String> environment;
	final List<String> arguments;
	RandomAccessFile? scriptOutputStream;

	void run() {
	if (arguments.isEmpty) {
	// Named entry points were introduced in Flutter v0.0.7.
	stderr.write(
	'error: Your Xcode project is incompatible with this version of Flutter. '
	'Run "rm -rf ios/Runner.xcodeproj" and "flutter create ." to regenerate.\n');
	exit(-1);
	}

	final String subCommand = arguments.first;
	switch (subCommand) {
	case 'build':
	buildApp();
	break;
	case 'thin':
	// No-op, thinning is handled during the bundle asset assemble build target.
	break;
	case 'embed':
	embedFlutterFrameworks();
	break;
	case 'embed_and_thin':
	// Thinning is handled during the bundle asset assemble build target, so just embed.
	embedFlutterFrameworks();
	break;
	case 'test_observatory_bonjour_service':
	// Exposed for integration testing only.
	addObservatoryBonjourService();
	}
	}

	bool existsDir(String path) {
	final Directory dir = Directory(path);
	return dir.existsSync();
	}

	bool existsFile(String path) {
	final File file = File(path);
	return file.existsSync();
	}

	/// Run given command in a synchronous subprocess.
	///
	/// Will throw [Exception] if the exit code is not 0.
	ProcessResult runSync(
	String bin,
	List<String> args, {
	bool verbose = false,
	bool allowFail = false,
	String? workingDirectory,
	}) {
	if (verbose) {
	print('♦ $bin ${args.join(' ')}');
	}
	final ProcessResult result = Process.runSync(
	bin,
	args,
	workingDirectory: workingDirectory,
	);
	if (verbose) {
	print((result.stdout as String).trim());
	}
	if ((result.stderr as String).isNotEmpty) {
	echoError((result.stderr as String).trim());
	}
	if (!allowFail && result.exitCode != 0) {
	stderr.write('${result.stderr}\n');
	throw Exception(
	'Command "$bin ${args.join(' ')}" exited with code ${result.exitCode}',
	);
	}
	return result;
	}

	/// Log message to stderr.
	void echoError(String message) {
	stderr.writeln(message);
	}

	/// Log message to stdout.
	void echo(String message) {
	stdout.write(message);
	}

	/// Exit the application with the given exit code.
	///
	/// Exists to allow overriding in tests.
	Never exitApp(int code) {
	exit(code);
	}

	/// Return value from environment if it exists, else throw [Exception].
	String environmentEnsure(String key) {
	final String? value = environment[key];
	if (value == null) {
	throw Exception(
	'Expected the environment variable "$key" to exist, but it was not found',
	);
	}
	return value;
	}

	// When provided with a pipe by the host Flutter build process, output to the
	// pipe goes to stdout of the Flutter build process directly.
	void streamOutput(String output) {
	scriptOutputStream?.writeStringSync('$output\n');
	}

	String parseFlutterBuildMode() {
	// Use FLUTTER_BUILD_MODE if it's set, otherwise use the Xcode build configuration name
	// This means that if someone wants to use an Xcode build config other than Debug/Profile/Release,
	// they _must_ set FLUTTER_BUILD_MODE so we know what type of artifact to build.
	final String? buildMode = (environment['FLUTTER_BUILD_MODE'] ?? environment['CONFIGURATION'])?.toLowerCase();

	if (buildMode != null) {
	if (buildMode.contains('release')) {
	return 'release';
	}
	if (buildMode.contains('profile')) {
	return 'profile';
	}
	if (buildMode.contains('debug')) {
	return 'debug';
	}
	}
	echoError('========================================================================');
	echoError('ERROR: Unknown FLUTTER_BUILD_MODE: $buildMode.');
	echoError("Valid values are 'Debug', 'Profile', or 'Release' (case insensitive).");
	echoError('This is controlled by the FLUTTER_BUILD_MODE environment variable.');
	echoError('If that is not set, the CONFIGURATION environment variable is used.');
	echoError('');
	echoError('You can fix this by either adding an appropriately named build');
	echoError('configuration, or adding an appropriate value for FLUTTER_BUILD_MODE to the');
	echoError('.xcconfig file for the current build configuration (${environment['CONFIGURATION']}).');
	echoError('========================================================================');
	exitApp(-1);
	}

	// Adds the App.framework as an embedded binary and the flutter_assets as
	// resources.
	void embedFlutterFrameworks() {
	// Embed App.framework from Flutter into the app (after creating the Frameworks directory
	// if it doesn't already exist).
	final String xcodeFrameworksDir = '${environment['TARGET_BUILD_DIR']}/${environment['FRAMEWORKS_FOLDER_PATH']}';
	runSync(
	'mkdir',
	<String>[
	'-p',
	'--',
	xcodeFrameworksDir,
	]
	);
	runSync(
	'rsync',
	<String>[
	'-8', // Avoid mangling filenames with encodings that do not match the current locale.
	'-av',
	'--delete',
	'--filter',
	'- .DS_Store',
	'${environment['BUILT_PRODUCTS_DIR']}/App.framework',
	xcodeFrameworksDir,
	],
	);

	// Embed the actual Flutter.framework that the Flutter app expects to run against,
	// which could be a local build or an arch/type specific build.
	runSync(
	'rsync',
	<String>[
	'-av',
	'--delete',
	'--filter',
	'- .DS_Store',
	'${environment['BUILT_PRODUCTS_DIR']}/Flutter.framework',
	'$xcodeFrameworksDir/',
	],
	);

	addObservatoryBonjourService();
	}

	// Add the observatory publisher Bonjour service to the produced app bundle Info.plist.
	void addObservatoryBonjourService() {
	final String buildMode = parseFlutterBuildMode();

	// Debug and profile only.
	if (buildMode == 'release') {
	return;
	}

	final String builtProductsPlist = '${environment['BUILT_PRODUCTS_DIR'] ?? ''}/${environment['INFOPLIST_PATH'] ?? ''}';

	if (!existsFile(builtProductsPlist)) {
	// Very occasionally Xcode hasn't created an Info.plist when this runs.
	// The file will be present on re-run.
	echo(
	'${environment['INFOPLIST_PATH'] ?? ''} does not exist. Skipping '
	'_dartobservatory._tcp NSBonjourServices insertion. Try re-building to '
	'enable "flutter attach".');
	return;
	}

	// If there are already NSBonjourServices specified by the app (uncommon),
	// insert the observatory service name to the existing list.
	ProcessResult result = runSync(
	'plutil',
	<String>[
	'-extract',
	'NSBonjourServices',
	'xml1',
	'-o',
	'-',
	builtProductsPlist,
	],
	allowFail: true,
	);
	if (result.exitCode == 0) {
	runSync(
	'plutil',
	<String>[
	'-insert',
	'NSBonjourServices.0',
	'-string',
	'_dartobservatory._tcp',
	builtProductsPlist,
	],
	);
	} else {
	// Otherwise, add the NSBonjourServices key and observatory service name.
	runSync(
	'plutil',
	<String>[
	'-insert',
	'NSBonjourServices',
	'-json',
	'["_dartobservatory._tcp"]',
	builtProductsPlist,
	],
	);
	//fi
	}

	// Don't override the local network description the Flutter app developer
	// specified (uncommon). This text will appear below the "Your app would
	// like to find and connect to devices on your local network" permissions
	// popup.
	result = runSync(
	'plutil',
	<String>[
	'-extract',
	'NSLocalNetworkUsageDescription',
	'xml1',
	'-o',
	'-',
	builtProductsPlist,
	],
	allowFail: true,
	);
	if (result.exitCode != 0) {
	runSync(
	'plutil',
	<String>[
	'-insert',
	'NSLocalNetworkUsageDescription',
	'-string',
	'Allow Flutter tools on your computer to connect and debug your application. This prompt will not appear on release builds.',
	builtProductsPlist,
	],
	);
	}
	}

	void buildApp() {
	final bool verbose = environment['VERBOSE_SCRIPT_LOGGING'] != null && environment['VERBOSE_SCRIPT_LOGGING'] != '';
	final String sourceRoot = environment['SOURCE_ROOT'] ?? '';
	String projectPath = '$sourceRoot/..';
	if (environment['FLUTTER_APPLICATION_PATH'] != null) {
	projectPath = environment['FLUTTER_APPLICATION_PATH']!;
	}

	String targetPath = 'lib/main.dart';
	if (environment['FLUTTER_TARGET'] != null) {
	targetPath = environment['FLUTTER_TARGET']!;
	}

	final String buildMode = parseFlutterBuildMode();

	// Warn the user if not archiving (ACTION=install) in release mode.
	final String? action = environment['ACTION'];
	if (action == 'install' && buildMode != 'release') {
	echo(
	'warning: Flutter archive not built in Release mode. Ensure '
	'FLUTTER_BUILD_MODE is set to release or run "flutter build ios '
	'--release", then re-run Archive from Xcode.',
	);
	}

	String bitcodeFlag = '';
	if (environment['ENABLE_BITCODE'] == 'YES' && environment['ACTION'] == 'install') {
	bitcodeFlag = 'true';
	}

	final List<String> flutterArgs = <String>[];

	if (verbose) {
	flutterArgs.add('--verbose');
	}

	if (environment['FLUTTER_ENGINE'] != null && environment['FLUTTER_ENGINE']!.isNotEmpty) {
	flutterArgs.add('--local-engine-src-path=${environment['FLUTTER_ENGINE']}');
	}

	if (environment['LOCAL_ENGINE'] != null && environment['LOCAL_ENGINE']!.isNotEmpty) {
	flutterArgs.add('--local-engine=${environment['LOCAL_ENGINE']}');
	}

	flutterArgs.addAll(<String>[
	'assemble',
	'--no-version-check',
	'--output=${environment['BUILT_PRODUCTS_DIR'] ?? ''}/',
	'-dTargetPlatform=ios',
	'-dTargetFile=$targetPath',
	'-dBuildMode=$buildMode',
	'-dIosArchs=${environment['ARCHS'] ?? ''}',
	'-dSdkRoot=${environment['SDKROOT'] ?? ''}',
	'-dSplitDebugInfo=${environment['SPLIT_DEBUG_INFO'] ?? ''}',
	'-dTreeShakeIcons=${environment['TREE_SHAKE_ICONS'] ?? ''}',
	'-dTrackWidgetCreation=${environment['TRACK_WIDGET_CREATION'] ?? ''}',
	'-dDartObfuscation=${environment['DART_OBFUSCATION'] ?? ''}',
	'-dEnableBitcode=$bitcodeFlag',
	'--ExtraGenSnapshotOptions=${environment['EXTRA_GEN_SNAPSHOT_OPTIONS'] ?? ''}',
	'--DartDefines=${environment['DART_DEFINES'] ?? ''}',
	'--ExtraFrontEndOptions=${environment['EXTRA_FRONT_END_OPTIONS'] ?? ''}',
	]);

	if (environment['PERFORMANCE_MEASUREMENT_FILE'] != null && environment['PERFORMANCE_MEASUREMENT_FILE']!.isNotEmpty) {
	flutterArgs.add('--performance-measurement-file=${environment['PERFORMANCE_MEASUREMENT_FILE']}');
	}

	final String? expandedCodeSignIdentity = environment['EXPANDED_CODE_SIGN_IDENTITY'];
	if (expandedCodeSignIdentity != null && expandedCodeSignIdentity.isNotEmpty && environment['CODE_SIGNING_REQUIRED'] != 'NO') {
	flutterArgs.add('-dCodesignIdentity=$expandedCodeSignIdentity');
	}

	if (environment['BUNDLE_SKSL_PATH'] != null && environment['BUNDLE_SKSL_PATH']!.isNotEmpty) {
	flutterArgs.add('-dBundleSkSLPath=${environment['BUNDLE_SKSL_PATH']}');
	}

	if (environment['CODE_SIZE_DIRECTORY'] != null && environment['CODE_SIZE_DIRECTORY']!.isNotEmpty) {
	flutterArgs.add('-dCodeSizeDirectory=${environment['CODE_SIZE_DIRECTORY']}');
	}

	flutterArgs.add('${buildMode}_ios_bundle_flutter_assets');

	final ProcessResult result = runSync(
	'${environmentEnsure('FLUTTER_ROOT')}/bin/flutter',
	flutterArgs,
	verbose: verbose,
	allowFail: true,
	workingDirectory: projectPath, // equivalent of RunCommand pushd "${project_path}"
	);

	if (result.exitCode != 0) {
	echoError('Failed to package $projectPath.');
	exitApp(-1);
	}

	streamOutput('done');
	streamOutput(' └─Compiling, linking and signing...');

	echo('Project $projectPath built and packaged successfully.');
	}
	}