| // Copyright (c) 2012, 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. |
| |
| /// Operations relative to the user's installed Dart SDK. |
| library pub.sdk; |
| |
| import 'dart:io'; |
| |
| import 'package:path/path.dart' as path; |
| import 'package:pub_semver/pub_semver.dart'; |
| |
| import 'io.dart'; |
| |
| /// Gets the path to the root directory of the SDK. |
| /// |
| /// When running from the actual built SDK, this will be the SDK that contains |
| /// the running Dart executable. When running from the repo, it will be the |
| /// "sdk" directory in the Dart repository itself. |
| final String rootDirectory = |
| runningFromSdk ? _rootDirectory : path.join(repoRoot, "sdk"); |
| |
| /// Gets the path to the root directory of the SDK, assuming that the currently |
| /// running Dart executable is within it. |
| final String _rootDirectory = path.dirname(path.dirname(Platform.executable)); |
| |
| /// The SDK's revision number formatted to be a semantic version. |
| /// |
| /// This can be set so that the version solver tests can artificially select |
| /// different SDK versions. |
| Version version = _getVersion(); |
| |
| /// Determine the SDK's version number. |
| Version _getVersion() { |
| // 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 (runningFromSdk) { |
| // Read the "version" file. |
| var version = readTextFile(path.join(_rootDirectory, "version")).trim(); |
| return new Version.parse(version); |
| } |
| |
| // When running from the repo, read the canonical VERSION file in tools/. |
| // This makes it possible to run pub without having built the SDK first. |
| var contents = readTextFile(path.join(repoRoot, "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); |
| } |