// 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 '../../artifacts.dart'; import '../../base/file_system.dart'; import '../../build_info.dart'; import '../../globals.dart' as globals; import '../build_system.dart'; import '../depfile.dart'; import '../exceptions.dart'; import 'assets.dart'; import 'dart.dart'; /// The only files/subdirectories we care out. const List<String> _kLinuxArtifacts = <String>[ 'libflutter_linux_glfw.so', 'flutter_export.h', 'flutter_messenger.h', 'flutter_plugin_registrar.h', 'flutter_glfw.h', 'icudtl.dat', 'cpp_client_wrapper_glfw/', ]; /// Copies the Linux desktop embedding files to the copy directory. class UnpackLinuxDebug extends Target { const UnpackLinuxDebug(); @override String get name => 'unpack_linux_debug'; @override List<Source> get inputs => const <Source>[ Source.pattern('{FLUTTER_ROOT}/packages/flutter_tools/lib/src/build_system/targets/linux.dart'), ]; @override List<Source> get outputs => const <Source>[]; @override List<String> get depfiles => <String>[ 'linux_engine_sources.d' ]; @override List<Target> get dependencies => <Target>[]; @override Future<void> build(Environment environment) async { final String basePath = globals.artifacts.getArtifactPath(Artifact.linuxDesktopPath); final List<File> inputs = <File>[]; final List<File> outputs = <File>[]; final String outputPrefix = globals.fs.path.join( environment.projectDir.path, 'linux', 'flutter', 'ephemeral', ); // The native linux artifacts are composed of 6 files and a directory (listed above) // which need to be copied to the target directory. for (final String artifact in _kLinuxArtifacts) { final String entityPath = globals.fs.path.join(basePath, artifact); // If this artifact is a file, just copy the source over. if (globals.fs.isFileSync(entityPath)) { final String outputPath = globals.fs.path.join( outputPrefix, globals.fs.path.relative(entityPath, from: basePath), ); final File destinationFile = globals.fs.file(outputPath); if (!destinationFile.parent.existsSync()) { destinationFile.parent.createSync(recursive: true); } final File inputFile = globals.fs.file(entityPath); inputFile.copySync(destinationFile.path); inputs.add(inputFile); outputs.add(destinationFile); continue; } // If the artifact is the directory cpp_client_wrapper, recursively // copy every file from it. for (final File input in globals.fs.directory(entityPath) .listSync(recursive: true) .whereType<File>()) { final String outputPath = globals.fs.path.join( outputPrefix, globals.fs.path.relative(input.path, from: basePath), ); final File destinationFile = globals.fs.file(outputPath); if (!destinationFile.parent.existsSync()) { destinationFile.parent.createSync(recursive: true); } final File inputFile = globals.fs.file(input); inputFile.copySync(destinationFile.path); inputs.add(inputFile); outputs.add(destinationFile); } } final Depfile depfile = Depfile(inputs, outputs); depfile.writeToFile(environment.buildDir.childFile('linux_engine_sources.d')); } } /// Creates a debug bundle for the Linux desktop target. class DebugBundleLinuxAssets extends Target { const DebugBundleLinuxAssets(); @override String get name => 'debug_bundle_linux_assets'; @override List<Target> get dependencies => const <Target>[ KernelSnapshot(), UnpackLinuxDebug(), ]; @override List<Source> get inputs => const <Source>[ Source.pattern('{BUILD_DIR}/app.dill'), Source.pattern('{FLUTTER_ROOT}/packages/flutter_tools/lib/src/build_system/targets/linux.dart'), Source.pattern('{PROJECT_DIR}/pubspec.yaml'), ]; @override List<Source> get outputs => const <Source>[ Source.pattern('{OUTPUT_DIR}/flutter_assets/kernel_blob.bin'), ]; @override List<String> get depfiles => const <String>[ 'flutter_assets.d', ]; @override Future<void> build(Environment environment) async { if (environment.defines[kBuildMode] == null) { throw MissingDefineException(kBuildMode, 'debug_bundle_linux_assets'); } final BuildMode buildMode = getBuildModeForName(environment.defines[kBuildMode]); final Directory outputDirectory = environment.outputDir .childDirectory('flutter_assets'); if (!outputDirectory.existsSync()) { outputDirectory.createSync(); } // Only copy the kernel blob in debug mode. if (buildMode == BuildMode.debug) { environment.buildDir.childFile('app.dill') .copySync(outputDirectory.childFile('kernel_blob.bin').path); } final Depfile depfile = await copyAssets(environment, outputDirectory); depfile.writeToFile(environment.buildDir.childFile('flutter_assets.d')); } }