#!/bin/bash
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#
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# Copyright (C) 2019 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Unmount Android Runtime and Core Libraries APEX packages required in the chroot directory.
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# This script emulates some the actions performed by `apexd`.
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# This script undoes the work done by tools/mount-buildbot-apexes.sh.
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# Make sure to keep these files in sync.
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green='\033[0;32m'
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nc='\033[0m'
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# Setup as root, as some actions performed here require it.
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adb root
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adb wait-for-device
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# Exit early if there is no chroot.
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[[ -n "$ART_TEST_CHROOT" ]] || exit
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# Check that ART_TEST_CHROOT is correctly defined.
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[[ "$ART_TEST_CHROOT" = /* ]] || { echo "$ART_TEST_CHROOT is not an absolute path"; exit 1; }
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# Directory containing extracted APEX packages' payloads (ext4 images) under
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# the chroot directory.
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apex_image_dir="/tmp/apex"
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# deactivate_system_package APEX_NAME
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# -----------------------------------
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# Unmount APEX_NAME in `/apex` under the chroot directory and delete the
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# corresponding APEX package payload (ext4 image).
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deactivate_system_package() {
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local apex_name=$1
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local abs_image_filename="$ART_TEST_CHROOT$apex_image_dir/$apex_name.img"
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local abs_mount_point="$ART_TEST_CHROOT/apex/$apex_name"
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echo -e "${green}Deactivating package $apex_name${nc}"
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# Unmount the package's payload (ext4 image).
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if adb shell mount | grep -q "^/dev/block/loop[0-9]\+ on $abs_mount_point type ext4"; then
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adb shell umount "$abs_mount_point"
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adb shell rmdir "$abs_mount_point"
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# Delete the ext4 image.
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adb shell rm "$abs_image_filename"
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fi
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}
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# Deactivate the Android Runtime APEX.
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deactivate_system_package com.android.runtime
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# Delete the image's directory.
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adb shell rmdir "$ART_TEST_CHROOT$apex_image_dir"
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