Add option to enable zucchini (410bb389) · Commits · e / os / android_build

tools/releasetools/ota_from_target_files.py

+15 −0

Original line number	Diff line number	Diff line
		@@ -230,6 +230,9 @@ A/B OTA specific options

		--compressor_types
		A colon ':' separated list of compressors. Allowed values are bz2 and brotli.

		--enable_zucchini
		Whether to enable to zucchini feature. Will generate smaller OTA but uses more memory.
		"""

		from __future__ import print_function
		@@ -299,6 +302,7 @@ OPTIONS.vabc_downgrade = False
		OPTIONS.enable_vabc_xor = True
		OPTIONS.force_minor_version = None
		OPTIONS.compressor_types = None
		OPTIONS.enable_zucchini = None

		POSTINSTALL_CONFIG = 'META/postinstall_config.txt'
		DYNAMIC_PARTITION_INFO = 'META/dynamic_partitions_info.txt'
		@@ -1141,6 +1145,14 @@ def GenerateAbOtaPackage(target_file, output_file, source_file=None):
		partition_timestamps_flags = GeneratePartitionTimestampFlags(
		metadata.postcondition.partition_state)

		# Auto-check for compatibility only if --enable_zucchini omitted. Otherwise
		# let user override zucchini settings. This is useful for testing.
		if OPTIONS.enable_zucchini is None:
		if not ota_utils.IsZucchiniCompatible(source_file, target_file):
		additional_args += ["--enable_zucchini", "false"]
		else:
		additional_args += ["--enable_zucchini", str(OPTIONS.enable_zucchini).lower()]

		if OPTIONS.disable_vabc:
		additional_args += ["--disable_vabc", "true"]
		if OPTIONS.enable_vabc_xor:
		@@ -1326,6 +1338,8 @@ def main(argv):
		OPTIONS.force_minor_version = a
		elif o == "--compressor_types":
		OPTIONS.compressor_types = a
		elif o == "--enable_zucchini":
		OPTIONS.enable_zucchini = a.lower() != "false"
		else:
		return False
		return True
		@@ -1373,6 +1387,7 @@ def main(argv):
		"enable_vabc_xor=",
		"force_minor_version=",
		"compressor_types=",
		"enable_zucchin=",
		], extra_option_handler=option_handler)

		if len(args) != 2:

tools/releasetools/ota_utils.py

+35 −0

Original line number	Diff line number	Diff line
		@@ -638,3 +638,38 @@ def ConstructOtaApexInfo(target_zip, source_file=None):
		target_apex.source_version = source_apex_versions[name]

		return target_apex_proto.SerializeToString()


		def IsZucchiniCompatible(source_file: str, target_file: str):
		"""Check whether zucchini versions in two builds are compatible

		Args:
		source_file: Path to source build's target_file.zip
		target_file: Path to target build's target_file.zip

		Returns:
		bool true if and only if zucchini versions are compatible
		"""
		if source_file is None or target_file is None:
		return False
		assert os.path.exists(source_file)
		assert os.path.exists(target_file)

		assert zipfile.is_zipfile(source_file) or os.path.isdir(source_file)
		assert zipfile.is_zipfile(target_file) or os.path.isdir(target_file)
		_ZUCCHINI_CONFIG_ENTRY_NAME = "META/zucchini_config.txt"

		def ReadEntry(path, entry):
		# Read an entry inside a .zip file or extracted dir of .zip file
		if zipfile.is_zipfile(path):
		with zipfile.ZipFile(path, "r", allowZip64=True) as zfp:
		if entry in zfp.namelist():
		return zfp.read(entry).decode()
		else:
		entry_path = os.path.join(entry, path)
		if os.path.exists(entry_path):
		with open(entry_path, "r") as fp:
		return fp.read()
		else:
		return ""
		return ReadEntry(source_file, _ZUCCHINI_CONFIG_ENTRY_NAME) == ReadEntry(target_file, _ZUCCHINI_CONFIG_ENTRY_NAME)