releasetools.py

#
# Copyright (C) 2019-2022 The LineageOS 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):
  AddBootloaderAssertion(info, info.input_zip)
  return

def FullOTA_InstallEnd(info):
  OTA_InstallEnd(info)

def IncrementalOTA_InstallEnd(info):
  OTA_InstallEnd(info)

def AddBootloaderAssertion(info, input_zip):
  android_info = input_zip.read("OTA/android-info.txt")
  m = re.search(r'require\s+version-bootloader\s*=\s*(\d)$', android_info.decode('utf-8'))
  if m:
    bootloader_version = m.group(1)
    cmd = ('assert(a70q.verify_bootloader("{}") == "1" || abort("ERROR: This package '
           'requires bootloader version 5 or older. Please wait until your '
           'firmware is supported."););'.format(bootloader_version))
    info.script.AppendExtra(cmd)

def AddImage(info, basename, dest):
  path = "IMAGES/" + basename
  if path not in info.input_zip.namelist():
    return

  data = info.input_zip.read(path)
  common.ZipWriteStr(info.output_zip, basename, data)
  info.script.Print("Patching {} image unconditionally...".format(dest.split('/')[-1]))
  info.script.AppendExtra('package_extract_file("%s", "%s");' % (basename, 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")