Merge "Add spl-downgrade field to ota metadata"

import common

import ota_utils

from ota_utils import (UNZIP_PATTERN, FinalizeMetadata, GetPackageMetadata,

                       PropertyFiles)

                       PropertyFiles, SECURITY_PATCH_LEVEL_PROP_NAME)

import target_files_diff

from check_target_files_vintf import CheckVintfIfTrebleEnabled

from non_ab_ota import GenerateNonAbOtaPackage

    'system_ext', 'vbmeta', 'vbmeta_system', 'vbmeta_vendor', 'vendor',

    'vendor_boot']

SECURITY_PATCH_LEVEL_PROP_NAME = "ro.build.version.security_patch"

class PayloadSigner(object):

    target_build_prop = OPTIONS.target_info_dict["build.prop"]

    source_spl = source_build_prop.GetProp(SECURITY_PATCH_LEVEL_PROP_NAME)

    target_spl = target_build_prop.GetProp(SECURITY_PATCH_LEVEL_PROP_NAME)

    if target_spl < source_spl and not OPTIONS.spl_downgrade:

    is_spl_downgrade = target_spl < source_spl

    if is_spl_downgrade and not OPTIONS.spl_downgrade:

      raise common.ExternalError(

        "Target security patch level {} is older than source SPL {} applying "

        "such OTA will likely cause device fail to boot. Pass --spl-downgrade "

        "such OTA will likely cause device fail to boot. Pass --spl_downgrade "

        "to override this check. This script expects security patch level to "

        "be in format yyyy-mm-dd (e.x. 2021-02-05). It's possible to use "

        "separators other than -, so as long as it's used consistenly across "

        "all SPL dates".format(target_spl, source_spl))

    elif not is_spl_downgrade and OPTIONS.spl_downgrade:

      raise ValueError("--spl_downgrade specified but no actual SPL downgrade"

                       " detected. Please only pass in this flag if you want a"

                       " SPL downgrade. Target SPL: {} Source SPL: {}"

                       .format(target_spl, source_spl))

  if generate_ab:

    GenerateAbOtaPackage(

        target_file=args[0],

  bool retrofit_dynamic_partitions = 7;

  // The required size of the cache partition, only valid for non-A/B update.

  int64 required_cache = 8;

  // True iff security patch level downgrade is permitted on this OTA.

  bool spl_downgrade = 9;

}

METADATA_NAME = 'META-INF/com/android/metadata'

METADATA_PROTO_NAME = 'META-INF/com/android/metadata.pb'

UNZIP_PATTERN = ['IMAGES/*', 'META/*', 'OTA/*', 'RADIO/*']

SECURITY_PATCH_LEVEL_PROP_NAME = "ro.build.version.security_patch"

def FinalizeMetadata(metadata, input_file, output_file, needed_property_files):

  """Finalizes the metadata and signs an A/B OTA package.

    metadata_dict['pre-build'] = separator.join(pre_build.build)

    metadata_dict['pre-build-incremental'] = pre_build.build_incremental

  if metadata_proto.spl_downgrade:

    metadata_dict['spl-downgrade'] = 'yes'

  metadata_dict.update(metadata_proto.property_files)

  return metadata_dict

  pre_timestamp = source_info.GetBuildProp("ro.build.date.utc")

  is_downgrade = int(post_timestamp) < int(pre_timestamp)

  if OPTIONS.spl_downgrade:

    metadata_proto.spl_downgrade = True

  if OPTIONS.downgrade:

    if not is_downgrade:

      raise RuntimeError(