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Unified Diff: sdk/lib/_internal/pub_generated/lib/src/solver/solve_report.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/solver/solve_report.dart
diff --git a/sdk/lib/_internal/pub_generated/lib/src/solver/solve_report.dart b/sdk/lib/_internal/pub_generated/lib/src/solver/solve_report.dart
deleted file mode 100644
index 4e6cfa603354f294ba7f0b2139bc8c5df0c90fac..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub_generated/lib/src/solver/solve_report.dart
+++ /dev/null
@@ -1,248 +0,0 @@
-// Copyright (c) 2013, 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.solver.solve_report;
-
-import 'package:pub_semver/pub_semver.dart';
-
-import '../lock_file.dart';
-import '../log.dart' as log;
-import '../package.dart';
-import '../source_registry.dart';
-import '../utils.dart';
-import 'version_solver.dart';
-
-/// Unlike [SolveResult], which is the static data describing a resolution,
-/// this class contains the mutable state used while generating the report
-/// itself.
-///
-/// It's a report builder.
-class SolveReport {
- final SolveType _type;
- final SourceRegistry _sources;
- final Package _root;
- final LockFile _previousLockFile;
- final SolveResult _result;
-
- /// The dependencies in [_result], keyed by package name.
- final _dependencies = new Map<String, PackageId>();
-
- final _output = new StringBuffer();
-
- SolveReport(this._type, this._sources, this._root, this._previousLockFile,
- this._result) {
- // Fill the map so we can use it later.
- for (var id in _result.packages) {
- _dependencies[id.name] = id;
- }
- }
-
- /// Displays a report of the results of the version resolution relative to
- /// the previous lock file.
- void show() {
- _reportChanges();
- _reportOverrides();
- }
-
- /// Displays a one-line message summarizing what changes were made (or would
- /// be made) to the lockfile.
- ///
- /// If [dryRun] is true, describes it in terms of what would be done.
- void summarize({bool dryRun: false}) {
- // Count how many dependencies actually changed.
- var dependencies = _dependencies.keys.toSet();
- dependencies.addAll(_previousLockFile.packages.keys);
- dependencies.remove(_root.name);
-
- var numChanged = dependencies.where((name) {
- var oldId = _previousLockFile.packages[name];
- var newId = _dependencies[name];
-
- // Added or removed dependencies count.
- if (oldId == null) return true;
- if (newId == null) return true;
-
- // The dependency existed before, so see if it was modified.
- return !_sources.idsEqual(oldId, newId);
- }).length;
-
- if (dryRun) {
- if (numChanged == 0) {
- log.message("No dependencies would change.");
- } else if (numChanged == 1) {
- log.message("Would change $numChanged dependency.");
- } else {
- log.message("Would change $numChanged dependencies.");
- }
- } else {
- if (numChanged == 0) {
- if (_type == SolveType.GET) {
- log.message("Got dependencies!");
- } else {
- log.message("No dependencies changed.");
- }
- } else if (numChanged == 1) {
- log.message("Changed $numChanged dependency!");
- } else {
- log.message("Changed $numChanged dependencies!");
- }
- }
- }
-
- /// Displays a report of all of the previous and current dependencies and
- /// how they have changed.
- void _reportChanges() {
- _output.clear();
-
- // Show the new set of dependencies ordered by name.
- var names = _result.packages.map((id) => id.name).toList();
- names.remove(_root.name);
- names.sort();
- names.forEach(_reportPackage);
-
- // Show any removed ones.
- var removed = _previousLockFile.packages.keys.toSet();
- removed.removeAll(names);
- if (removed.isNotEmpty) {
- _output.writeln("These packages are no longer being depended on:");
- removed = removed.toList();
- removed.sort();
- removed.forEach((name) => _reportPackage(name, alwaysShow: true));
- }
-
- log.message(_output);
- }
-
- /// Displays a warning about the overrides currently in effect.
- void _reportOverrides() {
- _output.clear();
-
- if (_result.overrides.isNotEmpty) {
- _output.writeln("Warning: You are using these overridden dependencies:");
- var overrides = _result.overrides.map((dep) => dep.name).toList();
- overrides.sort((a, b) => a.compareTo(b));
-
- overrides.forEach(
- (name) => _reportPackage(name, alwaysShow: true, highlightOverride: false));
-
- log.warning(_output);
- }
- }
-
- /// Reports the results of the upgrade on the package named [name].
- ///
- /// If [alwaysShow] is true, the package is reported even if it didn't change,
- /// regardless of [_type]. If [highlightOverride] is true (or absent), writes
- /// "(override)" next to overridden packages.
- void _reportPackage(String name, {bool alwaysShow: false,
- bool highlightOverride: true}) {
- var newId = _dependencies[name];
- var oldId = _previousLockFile.packages[name];
- var id = newId != null ? newId : oldId;
-
- var isOverridden =
- _result.overrides.map((dep) => dep.name).contains(id.name);
-
- // If the package was previously a dependency but the dependency has
- // changed in some way.
- var changed = false;
-
- // If the dependency was added or removed.
- var addedOrRemoved = false;
-
- // Show a one-character "icon" describing the change. They are:
- //
- // ! The package is being overridden.
- // - The package was removed.
- // + The package was added.
- // > The package was upgraded from a lower version.
- // < The package was downgraded from a higher version.
- // * Any other change between the old and new package.
- var icon;
- if (isOverridden) {
- icon = log.magenta("! ");
- } else if (newId == null) {
- icon = log.red("- ");
- addedOrRemoved = true;
- } else if (oldId == null) {
- icon = log.green("+ ");
- addedOrRemoved = true;
- } else if (!_sources.idDescriptionsEqual(oldId, newId)) {
- icon = log.cyan("* ");
- changed = true;
- } else if (oldId.version < newId.version) {
- icon = log.green("> ");
- changed = true;
- } else if (oldId.version > newId.version) {
- icon = log.cyan("< ");
- changed = true;
- } else {
- // Unchanged.
- icon = " ";
- }
-
- if (_type == SolveType.GET && !(alwaysShow || changed || addedOrRemoved)) {
- return;
- }
-
- _output.write(icon);
- _output.write(log.bold(id.name));
- _output.write(" ");
- _writeId(id);
-
- // If the package was upgraded, show what it was upgraded from.
- if (changed) {
- _output.write(" (was ");
- _writeId(oldId);
- _output.write(")");
- }
-
- // Highlight overridden packages.
- if (isOverridden && highlightOverride) {
- _output.write(" ${log.magenta('(overridden)')}");
- }
-
- // See if there are any newer versions of the package that we were
- // unable to upgrade to.
- if (newId != null && _type != SolveType.DOWNGRADE) {
- var versions = _result.availableVersions[newId.name];
-
- var newerStable = false;
- var newerUnstable = false;
-
- for (var version in versions) {
- if (version > newId.version) {
- if (version.isPreRelease) {
- newerUnstable = true;
- } else {
- newerStable = true;
- }
- }
- }
-
- // If there are newer stable versions, only show those.
- var message;
- if (newerStable) {
- message = "(${maxAll(versions, Version.prioritize)} available)";
- } else if (newerUnstable) {
- message = "(${maxAll(versions)} available)";
- }
-
- if (message != null) _output.write(" ${log.cyan(message)}");
- }
-
- _output.writeln();
- }
-
- /// Writes a terse description of [id] (not including its name) to the output.
- void _writeId(PackageId id) {
- _output.write(id.version);
-
- var source = _sources[id.source];
- if (source != _sources.defaultSource) {
- var description = source.formatDescription(_root.dir, id.description);
- _output.write(" from ${id.source} $description");
- }
- }
-}

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