#!/usr/bin/env bash
# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================

# please run this at root directory of tensorflow
success=1

for i in `grep -onI https://www.tensorflow.org/code/\[a-zA-Z0-9/._-\]\* -r tensorflow`
do
  filename=`echo $i|awk -F: '{print $1}'`
  linenumber=`echo $i|awk -F: '{print $2}'`
  target=`echo $i|awk -F: '{print $4}'|tail -c +27`

  # skip files in tensorflow/models
  if [[ $target == tensorflow_models/* ]] ; then
    continue
  fi

  if [ ! -f $target ] && [ ! -d $target ]; then
    success=0
    echo Broken link $target at line $linenumber of file $filename
  fi
done

if [ $success == 0 ]; then
  echo Code link check fails.
  exit 1
fi

echo Code link check success.