19b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light#!/system/bin/sh 29b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light# 39b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light# Copyright (C) 2016 The Android Open Source Project 49b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light# 59b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light# Licensed under the Apache License, Version 2.0 (the "License"); 69b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light# you may not use this file except in compliance with the License. 79b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light# You may obtain a copy of the License at 89b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light# 99b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light# http://www.apache.org/licenses/LICENSE-2.0 109b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light# 119b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light# Unless required by applicable law or agreed to in writing, software 129b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light# distributed under the License is distributed on an "AS IS" BASIS, 139b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 149b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light# See the License for the specific language governing permissions and 159b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light# limitations under the License. 169b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light 179b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light# create files with 644 (global read) permissions. 189b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Lightumask 022 199b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light 20757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang# Helper function to copy files 21757d341496d8c7e69420eb51c82be2d2bc694079Wei Wangfunction do_copy() { 22986ae62325751fcd74e6efc825a4f09470b94aacNicolas Geoffray source_file=$1 23757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang dest_name=$2 249b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light # Move to a temporary file so we can do a rename and have the preopted file 259b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light # appear atomically in the filesystem. 269b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light temp_dest_name=${dest_name}.tmp 27986ae62325751fcd74e6efc825a4f09470b94aacNicolas Geoffray if ! cp ${source_file} ${temp_dest_name} ; then 28986ae62325751fcd74e6efc825a4f09470b94aacNicolas Geoffray log -p w -t cppreopts "Unable to copy file ${source_file} to ${temp_dest_name}!" 299b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light else 30986ae62325751fcd74e6efc825a4f09470b94aacNicolas Geoffray log -p i -t cppreopts "Copied file from ${source_file} to ${temp_dest_name}" 319b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light sync 329b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light if ! mv ${temp_dest_name} ${dest_name} ; then 33986ae62325751fcd74e6efc825a4f09470b94aacNicolas Geoffray log -p w -t cppreopts "Unable to rename temporary file from ${temp_dest_name} to ${dest_name}" 340b2d37205d738bf702e839b2b21d582c50cffaa2Alex Light rm ${temp_dest_name} || log -p w -t cppreopts "Unable to remove temporary file ${temp_dest_name}" 359b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light else 36986ae62325751fcd74e6efc825a4f09470b94aacNicolas Geoffray log -p i -t cppreopts "Renamed temporary file from ${temp_dest_name} to ${dest_name}" 379b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light fi 389b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light fi 39757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang} 40757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang 41757d341496d8c7e69420eb51c82be2d2bc694079Wei Wangif [ $# -eq 1 ]; then 42757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang # Where the system_b is mounted that contains the preopt'd files 43757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang mountpoint=$1 44757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang 45757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang if ! test -f ${mountpoint}/system-other-odex-marker ; then 46986ae62325751fcd74e6efc825a4f09470b94aacNicolas Geoffray log -p i -t cppreopts "system_other partition does not appear to have been built to contain preopted files." 47757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang exit 1 48757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang fi 499b71cad2381cbd67d7e3a9ca2af357ae6998be83Alex Light 50757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang log -p i -t cppreopts "cppreopts from ${mountpoint}" 51986ae62325751fcd74e6efc825a4f09470b94aacNicolas Geoffray # For each odex and vdex file do the copy task 52757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang # NOTE: this implementation will break in any path with spaces to favor 53757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang # background copy tasks 54496f0213f35f681f90d503f8d45e5f29a3139b4fMathieu Chartier for file in $(find ${mountpoint} -type f -name "*.odex" -o -type f -name "*.vdex" -o -type f -name "*.art"); do 55986ae62325751fcd74e6efc825a4f09470b94aacNicolas Geoffray real_name=${file/${mountpoint}/\/system} 56986ae62325751fcd74e6efc825a4f09470b94aacNicolas Geoffray dest_name=$(preopt2cachename ${real_name}) 57757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang if ! test $? -eq 0 ; then 58986ae62325751fcd74e6efc825a4f09470b94aacNicolas Geoffray log -p i -t cppreopts "Unable to figure out destination for ${file}" 59757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang continue 60757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang fi 61757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang # Copy files in background to speed things up 62986ae62325751fcd74e6efc825a4f09470b94aacNicolas Geoffray do_copy ${file} ${dest_name} & 63757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang done 64757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang # Wait for jobs to finish 65757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang wait 66757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang exit 0 67757d341496d8c7e69420eb51c82be2d2bc694079Wei Wangelse 68757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang log -p e -t cppreopts "Usage: cppreopts <preopts-mount-point>" 69757d341496d8c7e69420eb51c82be2d2bc694079Wei Wang exit 1 70757d341496d8c7e69420eb51c82be2d2bc694079Wei Wangfi 71