Merge "Sort the split transfers to generate a determinate package" am: c56071b21b am: 4c17a597d2 (f9ab3c63) · Commits · e / os / android_build

tools/releasetools/blockimgdiff.py

+19 −9

Original line number	Diff line number	Diff line
		@@ -1385,8 +1385,8 @@ class BlockImageDiff(object):
		assert patch_start == patch_size
		return split_info_list

		def AddSplitTransferForLargeApks():
		"""Create split transfers for large apk files.
		def SplitLargeApks():
		"""Split the large apks files.

		Example: Chrome.apk will be split into
		src-0: Chrome.apk-0, tgt-0: Chrome.apk-0
		@@ -1452,16 +1452,16 @@ class BlockImageDiff(object):

		split_src_name = "{}-{}".format(src_name, index)
		split_tgt_name = "{}-{}".format(tgt_name, index)
		transfer_split = Transfer(split_tgt_name, split_src_name,
		split_tgt_ranges, split_src_ranges,
		self.tgt.RangeSha1(split_tgt_ranges),
		self.src.RangeSha1(split_src_ranges),
		"diff", self.transfers)
		transfer_split.patch = patch_content
		split_large_apks.append((split_tgt_name,
		split_src_name,
		split_tgt_ranges,
		split_src_ranges,
		patch_content))

		print("Finding transfers...")

		large_apks = []
		split_large_apks = []
		cache_size = common.OPTIONS.cache_size
		split_threshold = 0.125
		max_blocks_per_transfer = int(cache_size * split_threshold /
		@@ -1511,13 +1511,23 @@ class BlockImageDiff(object):
		AddTransfer(tgt_fn, None, tgt_ranges, empty, "new", self.transfers)

		transfer_lock = threading.Lock()
		threads = [threading.Thread(target=AddSplitTransferForLargeApks)
		threads = [threading.Thread(target=SplitLargeApks)
		for _ in range(self.threads)]
		for th in threads:
		th.start()
		while threads:
		threads.pop().join()

		# Sort the split transfers for large apks to generate a determinate package.
		split_large_apks.sort()
		for (tgt_name, src_name, tgt_ranges, src_ranges,
		patch) in split_large_apks:
		transfer_split = Transfer(tgt_name, src_name, tgt_ranges, src_ranges,
		self.tgt.RangeSha1(tgt_ranges),
		self.src.RangeSha1(src_ranges),
		"diff", self.transfers)
		transfer_split.patch = patch

		def AbbreviateSourceNames(self):
		for k in self.src.file_map.keys():
		b = os.path.basename(k)