third_party/polymer/v1_0/generate_gn.sh

#!/bin/sh
# Copyright 2017 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

dirs=$(find components-chromium -type d | grep -v 'components-chromium/polymer')

gn_files=''
polymer_version=$1

if [ "$polymer_version" -eq 3 ];
  then
    file_extension="js";
  else
    file_extension="html";
fi

for dir in $dirs; do
  files=$(\ls $dir/*.$file_extension 2>/dev/null)
  if [ "$files" ]; then
    echo "Analyzing $dir"
    gn_file="$dir/BUILD.gn"
    if [ "$polymer_version" -eq 3 ];
      then
        content=$(../../../tools/polymer/generate_gn_v3.py $files);
      else
        content=$(../../../tools/polymer/generate_gn.py $files);
    fi
    if [ "$content" ]; then
      echo "Writing $gn_file"
      echo "$content" > "$gn_file"
      gn_files="$gn_files $gn_file"
    elif [ -f "$gn_file" ]; then
      echo "Removing $gn_file"
      rm "$gn_file"
    fi
    echo
  fi
done

# Copy components-chromium/polymer BUILD.gn file manually, since it is not
# auto-generated by generate_gn_v3.py.
if [ "$polymer_version" -eq 3 ];
  then
    cp ./BUILD_polymer.gn "components-chromium/polymer/BUILD.gn"
fi


git cl format $gn_files