mirror of
https://github.com/danog/dart-sass.git
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123 lines
4.3 KiB
Dart
123 lines
4.3 KiB
Dart
// Copyright 2018 Google Inc. Use of this source code is governed by an
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// MIT-style license that can be found in the LICENSE file or at
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// https://opensource.org/licenses/MIT.
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import 'dart:async';
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import 'dart:io';
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import 'package:archive/archive.dart';
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import 'package:grinder/grinder.dart';
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import 'package:meta/meta.dart';
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import 'package:path/path.dart' as p;
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import 'package:http/http.dart' as http;
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import 'utils.dart';
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/// Whether we're using a 64-bit Dart SDK.
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bool get _is64Bit => Platform.version.contains("x64");
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@Task('Build Dart script snapshot.')
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snapshot() {
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ensureBuild();
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Dart.run('bin/sass.dart',
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vmArgs: ['--snapshot=build/sass.dart.snapshot']);
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}
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@Task('Build a dev-mode Dart application snapshot.')
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appSnapshot() => _appSnapshot(release: false);
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// Don't build in Dart 2 runtime mode for now because it's substantially slower
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// than Dart 1 mode. See dart-lang/sdk#33257.
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@Task('Build a release-mode Dart application snapshot.')
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releaseAppSnapshot() => _appSnapshot(release: true);
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/// Compiles Sass to an application snapshot.
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///
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/// If [release] is `true`, this compiles in checked mode. Otherwise, it
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/// compiles in unchecked mode.
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void _appSnapshot({@required bool release}) {
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var args = [
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'--snapshot=build/sass.dart.app.snapshot',
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'--snapshot-kind=app-jit'
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];
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if (!release) args.add('--enable-asserts');
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ensureBuild();
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Dart.run('bin/sass.dart',
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arguments: ['tool/app-snapshot-input.scss'], vmArgs: args, quiet: true);
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}
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@Task('Build standalone packages for all OSes.')
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@Depends(snapshot, releaseAppSnapshot)
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package() async {
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var client = new http.Client();
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await Future.wait(["linux", "macos", "windows"].expand((os) => [
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_buildPackage(client, os, x64: true),
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_buildPackage(client, os, x64: false)
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]));
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client.close();
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}
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/// Builds a standalone Sass package for the given [os] and architecture.
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///
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/// The [client] is used to download the corresponding Dart SDK.
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Future _buildPackage(http.Client client, String os, {bool x64: true}) async {
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var architecture = x64 ? "x64" : "ia32";
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// TODO: Compile a single executable that embeds the Dart VM and the snapshot
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// when dart-lang/sdk#27596 is fixed.
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var channel = isDevSdk ? "dev" : "stable";
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var url = "https://storage.googleapis.com/dart-archive/channels/$channel/"
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"release/$dartVersion/sdk/dartsdk-$os-$architecture-release.zip";
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log("Downloading $url...");
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var response = await client.get(Uri.parse(url));
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if (response.statusCode ~/ 100 != 2) {
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throw "Failed to download package: ${response.statusCode} "
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"${response.reasonPhrase}.";
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}
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var dartExecutable = new ZipDecoder()
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.decodeBytes(response.bodyBytes)
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.firstWhere((file) => os == 'windows'
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? file.name.endsWith("/bin/dart.exe")
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: file.name.endsWith("/bin/dart"));
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var executable = dartExecutable.content as List<int>;
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// Use the app snapshot when packaging for the current operating system.
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//
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// TODO: Use an app snapshot everywhere when dart-lang/sdk#28617 is fixed.
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var snapshot = os == Platform.operatingSystem && x64 == _is64Bit
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? "build/sass.dart.app.snapshot"
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: "build/sass.dart.snapshot";
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var archive = new Archive()
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..addFile(fileFromBytes(
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"dart-sass/src/dart${os == 'windows' ? '.exe' : ''}", executable,
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executable: true))
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..addFile(
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file("dart-sass/src/DART_LICENSE", p.join(sdkDir.path, 'LICENSE')))
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..addFile(file("dart-sass/src/sass.dart.snapshot", snapshot))
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..addFile(file("dart-sass/src/SASS_LICENSE", "LICENSE"))
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..addFile(fileFromString(
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"dart-sass/dart-sass${os == 'windows' ? '.bat' : ''}",
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readAndReplaceVersion(
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"package/dart-sass.${os == 'windows' ? 'bat' : 'sh'}"),
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executable: true))
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..addFile(fileFromString("dart-sass/sass${os == 'windows' ? '.bat' : ''}",
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readAndReplaceVersion("package/sass.${os == 'windows' ? 'bat' : 'sh'}"),
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executable: true));
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var prefix = 'build/dart-sass-$version-$os-$architecture';
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if (os == 'windows') {
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var output = "$prefix.zip";
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log("Creating $output...");
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new File(output).writeAsBytesSync(new ZipEncoder().encode(archive));
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} else {
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var output = "$prefix.tar.gz";
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log("Creating $output...");
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new File(output).writeAsBytesSync(
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new GZipEncoder().encode(new TarEncoder().encode(archive)));
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}
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}
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