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# Copyright (C) 2009 The Android Open Source Project
# Copyright (C) 2019 The Mokee Open Source Project
# Copyright (C) 2020 The LineageOS 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.
import common
import re
def FullOTA_Assertions(info):
AddBasebandAssertion(info, info.input_zip)
return
def IncrementalOTA_Assertions(info):
AddBasebandAssertion(info, info.input_zip)
return
def FullOTA_InstallEnd(info):
OTA_InstallEnd(info)
return
def IncrementalOTA_InstallEnd(info):
OTA_InstallEnd(info)
return
def AddImage(info, basename, dest):
name = basename
path = "IMAGES/" + name
if path not in info.input_zip.namelist():
return
data = info.input_zip.read(path)
common.ZipWriteStr(info.output_zip, name, data)
info.script.Print("Patching {} image unconditionally...".format(dest.split('/')[-1]))
info.script.AppendExtra('package_extract_file("%s", "%s");' % (name, dest))
def OTA_InstallEnd(info):
AddImage(info, "dtbo.img", "/dev/block/bootdevice/by-name/dtbo")
AddImage(info, "vbmeta.img", "/dev/block/bootdevice/by-name/vbmeta")
AddImage(info, "vbmeta_system.img", "/dev/block/bootdevice/by-name/vbmeta_system")
return
def AddBasebandAssertion(info, input_zip):
android_info = input_zip.read("OTA/android-info.txt")
m = re.search(r'require\s+version-baseband\s*=\s*(.+)', android_info)
if m:
timestamp, firmware_version = m.group(1).rstrip().split(',')
timestamps = timestamp.split('|')
if ((len(timestamps) and '*' not in timestamps) and \
(len(firmware_version) and '*' not in firmware_version)):
cmd = 'assert(xiaomi.verify_baseband(' + ','.join(['"%s"' % baseband for baseband in timestamps]) + ') == "1" || abort("ERROR: This package requires firmware from MIUI {1} or newer. Please upgrade firmware and retry!"););'
info.script.AppendExtra(cmd.format(timestamps, firmware_version))
return
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