Support activating packages from local paths.

sdk/lib/_internal/pub/lib/src/command/global_deactivate.dart

Index: sdk/lib/_internal/pub/lib/src/command/global_deactivate.dart
diff --git a/sdk/lib/_internal/pub/lib/src/command/global_deactivate.dart b/sdk/lib/_internal/pub/lib/src/command/global_deactivate.dart
index 585d9d1524988d8795bba22fc2cb0581cd2e581a..a2eb84d63d1804411b12983ef7f503ec737e6aa1 100644
--- a/sdk/lib/_internal/pub/lib/src/command/global_deactivate.dart
+++ b/sdk/lib/_internal/pub/lib/src/command/global_deactivate.dart
@@ -7,6 +7,7 @@ library pub.command.global_deactivate;
 import 'dart:async';
 
 import '../command.dart';
+import '../log.dart' as log;
 import '../utils.dart';
 
 /// Handles the `global deactivate` pub command.
@@ -28,7 +29,10 @@ class GlobalDeactivateCommand extends PubCommand {
       usageError("Unexpected $arguments ${toSentence(unexpected)}.");
     }
 
-    globals.deactivate(commandOptions.rest.first);
+    var name = commandOptions.rest.first;
+    if (!globals.deactivate(name, logDeletion: true)) {
+      dataError("No active package ${log.bold(name)}.");
+    }
     return null;
   }
 }