|  | #!/bin/bash | 
|  | # | 
|  | # Copyright (C) 2017 The Android Open Source Project | 
|  | # | 
|  | # 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. | 
|  | if [ "$#" -lt 2 ]; then | 
|  | echo "Usage $0 <input classes file> <blacklist file> [extra classes files]" | 
|  | exit 1 | 
|  | fi | 
|  |  | 
|  | # Write file headers first | 
|  | DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" | 
|  | cat "$DIR/copyright-header" | 
|  | echo "# Preloaded-classes filter file for phones. | 
|  | # | 
|  | # Classes in this file will be allocated into the boot image, and forcibly initialized in | 
|  | # the zygote during initialization. This is a trade-off, using virtual address space to share | 
|  | # common heap between apps. | 
|  | # | 
|  | # This file has been derived for mainline phone (and tablet) usage. | 
|  | #" | 
|  |  | 
|  | input=$1 | 
|  | blacklist=$2 | 
|  | shift 2 | 
|  | extra_classes_files=("$@") | 
|  |  | 
|  | # Disable locale to enable lexicographical sorting | 
|  | LC_ALL=C sort "$input" "${extra_classes_files[@]}" | uniq | grep -f "$blacklist" -v -F -x |