blob: a93fd419956a1e71817b0a2ce60fb300d075c841 [file] [log] [blame]
// 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.');
}
}