| // Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file |
| // for details. 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'; |
| |
| import 'package:path/path.dart' as p; |
| import 'package:pub_semver/pub_semver.dart'; |
| |
| import '../io.dart'; |
| import '../sdk.dart'; |
| |
| /// The Dart SDK. |
| /// |
| /// Unlike other SDKs, this is always available. |
| class DartSdk extends Sdk { |
| String get name => "Dart"; |
| bool get isAvailable => true; |
| String get installMessage => null; |
| Version get firstPubVersion => Version.none; |
| |
| /// The path to the root directory of the SDK. |
| /// |
| /// Note that if pub is running from source within the Dart repo (for example |
| /// when building Observatory), this will be the repo's "sdk/" directory, |
| /// which doesn't look exactly like the built SDK. |
| static final String _rootDirectory = () { |
| if (runningFromDartRepo) return p.join(dartRepoRoot, 'sdk'); |
| |
| // The Dart exectuable is in "/path/to/sdk/bin/dart", so two levels up is |
| // "/path/to/sdk". |
| var aboveExecutable = p.dirname(p.dirname(Platform.resolvedExecutable)); |
| assert(fileExists(p.join(aboveExecutable, 'version'))); |
| return aboveExecutable; |
| }(); |
| |
| final Version version = () { |
| // Some of the pub integration tests require an SDK version number, but the |
| // tests on the bots are not run from a built SDK so this lets us avoid |
| // parsing the missing version file. |
| var sdkVersion = Platform.environment["_PUB_TEST_SDK_VERSION"]; |
| if (sdkVersion != null) return new Version.parse(sdkVersion); |
| |
| if (!runningFromDartRepo) { |
| var version = Platform.version.split(' ').first; |
| return new Version.parse(version); |
| } |
| |
| // When running from the Dart repo, read the canonical VERSION file in |
| // tools/. This makes it possible to run pub without having built the SDK |
| // first. |
| var contents = readTextFile(p.join(dartRepoRoot, "tools/VERSION")); |
| |
| parseField(name) { |
| var pattern = new RegExp("^$name ([a-z0-9]+)", multiLine: true); |
| var match = pattern.firstMatch(contents); |
| return match[1]; |
| } |
| |
| var channel = parseField("CHANNEL"); |
| var major = parseField("MAJOR"); |
| var minor = parseField("MINOR"); |
| var patch = parseField("PATCH"); |
| var prerelease = parseField("PRERELEASE"); |
| var prereleasePatch = parseField("PRERELEASE_PATCH"); |
| |
| var version = "$major.$minor.$patch"; |
| if (channel == "be") { |
| // TODO(rnystrom): tools/utils.py includes the svn commit here. Should we? |
| version += "-edge"; |
| } else if (channel == "dev") { |
| version += "-dev.$prerelease.$prereleasePatch"; |
| } |
| |
| return new Version.parse(version); |
| }(); |
| |
| String get rootDirectory => _rootDirectory; |
| |
| String packagePath(String name) => null; |
| } |