Revert "Revert "Use native async/await support in pub.""

sdk/lib/_internal/pub_generated/lib/src/command/cache_repair.dart

Index: sdk/lib/_internal/pub_generated/lib/src/command/cache_repair.dart
diff --git a/sdk/lib/_internal/pub_generated/lib/src/command/cache_repair.dart b/sdk/lib/_internal/pub_generated/lib/src/command/cache_repair.dart
deleted file mode 100644
index 5b1e13c7b12766d19ae6e3dad32bbec176247d7c..0000000000000000000000000000000000000000
--- a/sdk/lib/_internal/pub_generated/lib/src/command/cache_repair.dart
+++ /dev/null
@@ -1,143 +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.command.cache_repair;
-
-import 'dart:async';
-
-import '../command.dart';
-import '../exit_codes.dart' as exit_codes;
-import '../io.dart';
-import '../log.dart' as log;
-import '../source/cached.dart';
-import '../utils.dart';
-
-/// Handles the `cache repair` pub command.
-class CacheRepairCommand extends PubCommand {
-  String get name => "repair";
-  String get description => "Reinstall cached packages.";
-  String get invocation => "pub cache repair";
-  String get docUrl => "http://dartlang.org/tools/pub/cmd/pub-cache.html";
-  bool get takesArguments => false;
-
-  Future run() {
-    final completer0 = new Completer();
-    scheduleMicrotask(() {
-      try {
-        var successes = 0;
-        var failures = 0;
-        var it0 = cache.sources.iterator;
-        break0() {
-          join0() {
-            join1() {
-              new Future.value(globals.repairActivatedPackages()).then((x0) {
-                try {
-                  var results = x0;
-                  join2() {
-                    join3() {
-                      join4() {
-                        join5() {
-                          completer0.complete();
-                        }
-                        if (failures > 0) {
-                          new Future.value(
-                              flushThenExit(exit_codes.UNAVAILABLE)).then((x1) {
-                            try {
-                              x1;
-                              join5();
-                            } catch (e0, s0) {
-                              completer0.completeError(e0, s0);
-                            }
-                          }, onError: completer0.completeError);
-                        } else {
-                          join5();
-                        }
-                      }
-                      if (successes == 0 && failures == 0) {
-                        log.message(
-                            "No packages in cache, so nothing to repair.");
-                        join4();
-                      } else {
-                        join4();
-                      }
-                    }
-                    if (results.last > 0) {
-                      var packages = pluralize("package", results.last);
-                      log.message(
-                          "Failed to reactivate ${log.red(results.last)} ${packages}.");
-                      join3();
-                    } else {
-                      join3();
-                    }
-                  }
-                  if (results.first > 0) {
-                    var packages = pluralize("package", results.first);
-                    log.message(
-                        "Reactivated ${log.green(results.first)} ${packages}.");
-                    join2();
-                  } else {
-                    join2();
-                  }
-                } catch (e1, s1) {
-                  completer0.completeError(e1, s1);
-                }
-              }, onError: completer0.completeError);
-            }
-            if (failures > 0) {
-              var packages = pluralize("package", failures);
-              log.message(
-                  "Failed to reinstall ${log.red(failures)} ${packages}.");
-              join1();
-            } else {
-              join1();
-            }
-          }
-          if (successes > 0) {
-            var packages = pluralize("package", successes);
-            log.message("Reinstalled ${log.green(successes)} ${packages}.");
-            join0();
-          } else {
-            join0();
-          }
-        }
-        var trampoline0;
-        continue0() {
-          trampoline0 = null;
-          if (it0.moveNext()) {
-            var source = it0.current;
-            join6() {
-              new Future.value(source.repairCachedPackages()).then((x2) {
-                trampoline0 = () {
-                  trampoline0 = null;
-                  try {
-                    var results = x2;
-                    successes += results.first;
-                    failures += results.last;
-                    trampoline0 = continue0;
-                    do trampoline0(); while (trampoline0 != null);
-                  } catch (e2, s2) {
-                    completer0.completeError(e2, s2);
-                  }
-                };
-                do trampoline0(); while (trampoline0 != null);
-              }, onError: completer0.completeError);
-            }
-            if (source is! CachedSource) {
-              continue0();
-            } else {
-              join6();
-            }
-          } else {
-            break0();
-          }
-        }
-        trampoline0 = continue0;
-        do trampoline0(); while (trampoline0 != null);
-      } catch (e, s) {
-        completer0.completeError(e, s);
-      }
-    });
-    return completer0.future;
-  }
-}