From 145abb6dbf9d7c16b65033b3dde27795c4e63867 Mon Sep 17 00:00:00 2001
From: Mikkel Nygaard Ravn <mravn@google.com>
Date: Thu, 22 Mar 2018 12:33:29 +0100
Subject: [PATCH] Stop Gradle daemon before attempting to delete Flutter
 project (#15819)

---
 dev/devicelab/lib/tasks/plugin_tests.dart | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/dev/devicelab/lib/tasks/plugin_tests.dart b/dev/devicelab/lib/tasks/plugin_tests.dart
index cc736f83794..418159c3662 100644
--- a/dev/devicelab/lib/tasks/plugin_tests.dart
+++ b/dev/devicelab/lib/tasks/plugin_tests.dart
@@ -89,6 +89,16 @@ class FlutterProject {
   }
 
   Future<Null> delete() async {
+    if (Platform.isWindows) {
+      // A running Gradle daemon might prevent us from deleting the project
+      // folder on Windows.
+      await inDirectory(
+        new Directory(path.join(rootPath, 'android')),
+        () async {
+          exec('gradlew.bat', <String>['--stop'], canFail: true);
+        },
+      );
+    }
     await parent.delete(recursive: true);
   }
 }