add copyright header to fix failing sanity tests

src/ruby/end2end/README.md

@@ -4,7 +4,7 @@ Each test here involves two files: a "driver" and a "client". For example,
 the "channel_closing" test involves channel_closing_driver.rb
 and channel_closing_client.rb.
 
-Typically, the "driver will start up a simple "echo" server, and then
+Typically, the "driver" will start up a simple "echo" server, and then
 spawn a client. It gives the client the address of the "echo" server as
 well as an address to listen on for control rpcs. Depending on the test, the
 client usually starts up a "ClientControl" grpc server for the driver to

src/ruby/end2end/channel_closing_driver.rb

@@ -29,7 +29,7 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# make sure that the client doesn't hang when process ended abruptly
+# make sure that the client doesn't hang when channel is closed explictly while it's used
 
 require_relative './end2end_common'
 

src/ruby/end2end/gen_protos.sh

@@ -1,2 +1,32 @@
 #!/bin/bash
+
+# Copyright 2016, 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.
+
 grpc_tools_ruby_protoc -I protos --ruby_out=lib --grpc_out=lib protos/echo.proto protos/client_control.proto