From a8ef9c39254c4b37f9b7bdf9c4d03766f1d8818e Mon Sep 17 00:00:00 2001
From: Jan Tattermusch <jtattermusch@google.com>
Date: Fri, 8 Apr 2016 17:48:40 -0700
Subject: [PATCH] use correct non-overwrite flag for cp

---
 tools/run_tests/run_csharp.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/run_tests/run_csharp.sh b/tools/run_tests/run_csharp.sh
index 71cd87411f..7ba21d460e 100755
--- a/tools/run_tests/run_csharp.sh
+++ b/tools/run_tests/run_csharp.sh
@@ -34,7 +34,7 @@ CONFIG=${CONFIG:-opt}
 NUNIT_CONSOLE="mono packages/NUnit.ConsoleRunner.3.2.0/tools/nunit3-console.exe"
 
 # nunit3-console fails if nunit.framework.dll is not found.
-cp -u src/csharp/packages/NUnit.3.2.0/lib/net45/nunit.framework.dll src/csharp/packages/NUnit.ConsoleRunner.3.2.0/tools/
+cp -n src/csharp/packages/NUnit.3.2.0/lib/net45/nunit.framework.dll src/csharp/packages/NUnit.ConsoleRunner.3.2.0/tools/
 
 # change to gRPC repo root
 cd $(dirname $0)/../..
-- 
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