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Commit 1c596178 authored by David Anderson's avatar David Anderson
Browse files

ota_from_target_files: Disable XOR on <T vendor. 

Bug: N/A
Test: ota_from_target_files
Change-Id: Ia9093a3c3f79d88f98f0777e8a0f8c72741055b8
parent ebf41e9a

tools/releasetools/common.py

+19 −0
Original line number Diff line number Diff line
@@ -460,6 +460,25 @@ class BuildInfo(object): 
    system_prop = self.info_dict.get("system.build.prop")

    return system_prop and system_prop.GetProp("ro.build.version.release") == "11"



  @property

  def vendor_api_level(self):

    vendor_prop = self.info_dict.get("vendor.build.prop")

    if not vendor_prop:

      return -1



    props = [

        "ro.board.api_level",

        "ro.board.first_api_level",

        "ro.product.first_api_level",

    ]

    for prop in props:

      value = vendor_prop.GetProp(prop)

      try:

          return int(value)

      except:

          pass

    return -1



  @property

  def is_vabc_xor(self):

    vendor_prop = self.info_dict.get("vendor.build.prop")

tools/releasetools/ota_from_target_files.py

+13 −0
Original line number Diff line number Diff line
@@ -909,6 +909,19 @@ def GenerateAbOtaPackage(target_file, output_file, source_file=None): 
    logger.info(

        "VABC Compression algorithm is set to 'none', disabling VABC xor")

    OPTIONS.enable_vabc_xor = False



  if OPTIONS.enable_vabc_xor:

    api_level = -1

    if source_info is not None:

      api_level = source_info.vendor_api_level

    if api_level == -1:

      api_level = target_info.vendor_api_level



    # XOR is only supported on T and higher.

    if api_level < 33:

      logger.error("VABC XOR not supported on this vendor, disabling")

      OPTIONS.enable_vabc_xor = False



  additional_args = []



  # Prepare custom images.