add_pingcap_header.sh

#!/bin/bash

header="// Copyright 2016 PingCAP, Inc. \
\n// \
\n// Licensed under the Apache License, Version 2.0 (the \"License\"); \
\n// you may not use this file except in compliance with the License. \
\n// You may obtain a copy of the License at \
\n// \
\n//     http://www.apache.org/licenses/LICENSE-2.0 \
\n// \
\n// Unless required by applicable law or agreed to in writing, software \
\n// distributed under the License is distributed on an \"AS IS\" BASIS, \
\n// See the License for the specific language governing permissions and \
\n// limitations under the License. \
\n"
 
find . -name "*.rs" -exec gsed -i -e "1i$header"  {} +