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Unified Diff: sdk/lib/_internal/pub_generated/lib/src/source/cached.dart

Issue 937243002: Revert "Revert "Use native async/await support in pub."" (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 5 years, 10 months ago
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Index: sdk/lib/_internal/pub_generated/lib/src/source/cached.dart
diff --git a/sdk/lib/_internal/pub_generated/lib/src/source/cached.dart b/sdk/lib/_internal/pub_generated/lib/src/source/cached.dart
deleted file mode 100644
index 95214712a45cd486dd7bd0e85e3d9aaaea6f135a..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub_generated/lib/src/source/cached.dart
+++ /dev/null
@@ -1,75 +0,0 @@
-// Copyright (c) 2014, 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.
-
-library pub.source.cached;
-
-import 'dart:async';
-
-import 'package:path/path.dart' as path;
-
-import '../io.dart';
-import '../package.dart';
-import '../pubspec.dart';
-import '../source.dart';
-import '../utils.dart';
-
-/// Base class for a [Source] that installs packages into pub's [SystemCache].
-///
-/// A source should be cached if it requires network access to retrieve
-/// packages or the package needs to be "frozen" at the point in time that it's
-/// installed. (For example, Git packages are cached because installing from
-/// the same repo over time may yield different commits.)
-abstract class CachedSource extends Source {
- /// The root directory of this source's cache within the system cache.
- ///
- /// This shouldn't be overridden by subclasses.
- String get systemCacheRoot => path.join(systemCache.rootDir, name);
-
- /// If [id] is already in the system cache, just loads it from there.
- ///
- /// Otherwise, defers to the subclass.
- Future<Pubspec> doDescribe(PackageId id) {
- return getDirectory(id).then((packageDir) {
- if (fileExists(path.join(packageDir, "pubspec.yaml"))) {
- return new Pubspec.load(
- packageDir,
- systemCache.sources,
- expectedName: id.name);
- }
-
- return describeUncached(id);
- });
- }
-
- /// Loads the (possibly remote) pubspec for the package version identified by
- /// [id].
- ///
- /// This will only be called for packages that have not yet been installed in
- /// the system cache.
- Future<Pubspec> describeUncached(PackageId id);
-
- Future get(PackageId id, String symlink) {
- return downloadToSystemCache(id).then((pkg) {
- createPackageSymlink(id.name, pkg.dir, symlink);
- });
- }
-
- /// Determines if the package with [id] is already downloaded to the system
- /// cache.
- Future<bool> isInSystemCache(PackageId id) =>
- getDirectory(id).then(dirExists);
-
- /// Downloads the package identified by [id] to the system cache.
- Future<Package> downloadToSystemCache(PackageId id);
-
- /// Returns the [Package]s that have been downloaded to the system cache.
- List<Package> getCachedPackages();
-
- /// Reinstalls all packages that have been previously installed into the
- /// system cache by this source.
- ///
- /// Returns a [Pair] whose first element is the number of packages
- /// successfully repaired and the second is the number of failures.
- Future<Pair<int, int>> repairCachedPackages();
-}
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