move C# nuget restore on linux to prebuild phase

tools/run_tests/build_csharp.sh

@@ -37,14 +37,6 @@ else
   MSBUILD_CONFIG="Release"
 fi
 
-# change to gRPC repo root
-cd $(dirname $0)/../..
+cd $(dirname $0)/../../src/csharp
 
-root=`pwd`
-
-if [ -n "$NUGET" ]
-then
-  $NUGET restore src/csharp/Grpc.sln
-fi
-
-xbuild /p:Configuration=$MSBUILD_CONFIG src/csharp/Grpc.sln
+xbuild /p:Configuration=$MSBUILD_CONFIG Grpc.sln

tools/run_tests/pre_build_csharp.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+set -ex
+
+# cd to gRPC csharp directory
+cd $(dirname $0)/../../src/csharp
+
+root=`pwd`
+
+if [ -n "$NUGET" ]
+then
+  $NUGET restore Grpc.sln
+fi

tools/run_tests/run_tests.py

@@ -321,7 +321,10 @@ class CSharpLanguage(object):
             for assembly in assemblies]
 
   def pre_build_steps(self):
-    return []
+    if self.platform == 'windows':
+      return []
+    else:
+      return [['tools/run_tests/pre_build_csharp.sh']]
 
   def make_targets(self):
     # For Windows, this target doesn't really build anything,