1#!/system/bin/sh 2 3# 4# Copyright (C) 2016 The Android Open Source Project 5# 6# Licensed under the Apache License, Version 2.0 (the "License"); 7# you may not use this file except in compliance with the License. 8# You may obtain a copy of the License at 9# 10# http://www.apache.org/licenses/LICENSE-2.0 11# 12# Unless required by applicable law or agreed to in writing, software 13# distributed under the License is distributed on an "AS IS" BASIS, 14# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15# See the License for the specific language governing permissions and 16# limitations under the License. 17# 18 19# This script will run as a postinstall step to drive otapreopt. 20 21TARGET_SLOT="$1" 22STATUS_FD="$2" 23 24# Maximum number of packages/steps. 25MAXIMUM_PACKAGES=1000 26 27# First ensure the system is booted. This is to work around issues when cmd would 28# infinitely loop trying to get a service manager (which will never come up in that 29# mode). b/30797145 30BOOT_PROPERTY_NAME="dev.bootcomplete" 31 32BOOT_COMPLETE=$(getprop $BOOT_PROPERTY_NAME) 33if [ "$BOOT_COMPLETE" != "1" ] ; then 34 echo "Error: boot-complete not detected." 35 # We must return 0 to not block sideload. 36 exit 0 37fi 38 39 40# Compute target slot suffix. 41# TODO: Once bootctl is not restricted, we should query from there. Or get this from 42# update_engine as a parameter. 43if [ "$TARGET_SLOT" = "0" ] ; then 44 TARGET_SLOT_SUFFIX="_a" 45elif [ "$TARGET_SLOT" = "1" ] ; then 46 TARGET_SLOT_SUFFIX="_b" 47else 48 echo "Unknown target slot $TARGET_SLOT" 49 exit 1 50fi 51 52 53PREPARE=$(cmd otadexopt prepare) 54# Note: Ignore preparation failures. Step and done will fail and exit this. 55# This is necessary to support suspends - the OTA service will keep 56# the state around for us. 57 58PROGRESS=$(cmd otadexopt progress) 59print -u${STATUS_FD} "global_progress $PROGRESS" 60 61i=0 62while ((i<MAXIMUM_PACKAGES)) ; do 63 DEXOPT_PARAMS=$(cmd otadexopt next) 64 65 /system/bin/otapreopt_chroot $STATUS_FD $TARGET_SLOT_SUFFIX $DEXOPT_PARAMS >&- 2>&- 66 67 PROGRESS=$(cmd otadexopt progress) 68 print -u${STATUS_FD} "global_progress $PROGRESS" 69 70 DONE=$(cmd otadexopt done) 71 if [ "$DONE" = "OTA incomplete." ] ; then 72 sleep 1 73 i=$((i+1)) 74 continue 75 fi 76 break 77done 78 79DONE=$(cmd otadexopt done) 80if [ "$DONE" = "OTA incomplete." ] ; then 81 echo "Incomplete." 82else 83 echo "Complete or error." 84fi 85 86print -u${STATUS_FD} "global_progress 1.0" 87cmd otadexopt cleanup 88 89exit 0 90