From 5b2cc1ae67e13f871fe8daa75ce9523cb2be3408 Mon Sep 17 00:00:00 2001
From: Eric Seidel <eseidel@chromium.org>
Date: Wed, 2 Dec 2015 11:27:27 -0800
Subject: [PATCH] Make trace --stop fail if the adb pull fails.

@chinmaygarde
---
 packages/flutter_tools/lib/src/device.dart | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/flutter_tools/lib/src/device.dart b/packages/flutter_tools/lib/src/device.dart
index 48e2f7f9274..f1c3495c6a3 100644
--- a/packages/flutter_tools/lib/src/device.dart
+++ b/packages/flutter_tools/lib/src/device.dart
@@ -875,8 +875,9 @@ class AndroidDevice extends Device {
     }
 
     if (tracePath != null) {
+      runCheckedSync(adbCommandForDevice(['root']));
       runSync(adbCommandForDevice(['shell', 'run-as', apk.id, 'chmod', '777', tracePath]));
-      runSync(adbCommandForDevice(['pull', tracePath]));
+      runCheckedSync(adbCommandForDevice(['pull', tracePath]));
       runSync(adbCommandForDevice(['shell', 'rm', tracePath]));
       return path.basename(tracePath);
     }