Add comments about how to re-generate reflection proto files

include/grpc++/ext/reflection.grpc.pb.h

@@ -32,7 +32,7 @@
  */
 
 
-// Generated by the gRPC protobuf plugin.
+// Generated by tools/codegen/extensions/gen_refelction_proto.sh
 // If you make any local change, they will be lost.
 // source: reflection.proto
 // Original file comments:

include/grpc++/ext/reflection.pb.h

@@ -32,7 +32,7 @@
  */
 
 
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// Generated by tools/codegen/extensions/gen_refelction_proto.sh
 // source: reflection.proto
 
 #ifndef PROTOBUF_reflection_2eproto__INCLUDED

src/cpp/ext/reflection.grpc.pb.cc

@@ -32,7 +32,7 @@
  */
 
 
-// Generated by the gRPC protobuf plugin.
+// Generated by tools/codegen/extensions/gen_refelction_proto.sh
 // If you make any local change, they will be lost.
 // source: reflection.proto
 

src/cpp/ext/reflection.pb.cc

@@ -32,7 +32,7 @@
  */
 
 
-// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// Generated by tools/codegen/extensions/gen_refelction_proto.sh
 // source: reflection.proto
 
 #define INTERNAL_SUPPRESS_PROTOBUF_FIELD_DEPRECATION

tools/codegen/extensions/gen_reflection_proto.sh

@@ -56,6 +56,9 @@ sed -i "s/\"${PROTO_FILE}.pb.h\"/<${INCLUDE_DIR/\//\\\/}\/${PROTO_FILE}.pb.h>/g"
 sed -i "s/\"${PROTO_FILE}.pb.h\"/<${INCLUDE_DIR/\//\\\/}\/${PROTO_FILE}.pb.h>/g" ${TMP_DIR}/${PROTO_FILE}.grpc.pb.cc
 sed -i "s/\"${PROTO_FILE}.grpc.pb.h\"/<${INCLUDE_DIR/\//\\\/}\/${PROTO_FILE}.grpc.pb.h>/g" ${TMP_DIR}/${PROTO_FILE}.grpc.pb.cc
 
+sed -i "1s/.*/\/\/ Generated by tools\/codegen\/extensions\/gen_refelction_proto.sh/g" ${TMP_DIR}/*.pb.h
+sed -i "1s/.*/\/\/ Generated by tools\/codegen\/extensions\/gen_refelction_proto.sh/g" ${TMP_DIR}/*.pb.cc
+
 /bin/cp LICENSE ${TMP_DIR}/TMP_LICENSE
 sed -i -e "s/./ &/" -e "s/.*/ \*&/" ${TMP_DIR}/TMP_LICENSE
 sed -i -r "\$a\ *\n *\/\n\n"  ${TMP_DIR}/TMP_LICENSE