Adding an option to disable puffdiff
This is handy for quick OTA generation during development.
Change-Id: I878f7cb3479d6338c04aca44d16e48e83270252c
diff --git a/tools/releasetools/ota_from_target_files.py b/tools/releasetools/ota_from_target_files.py
index f3e6f1e..27432ce 100755
--- a/tools/releasetools/ota_from_target_files.py
+++ b/tools/releasetools/ota_from_target_files.py
@@ -147,7 +147,7 @@
A/B OTA specific options
--disable_fec_computation
- Disable the on device FEC data computation for incremental updates.
+ Disable the on device FEC data computation for incremental updates. OTA will be larger but installation will be faster.
--include_secondary
Additionally include the payload for secondary slot images (default:
@@ -224,7 +224,7 @@
wait time in recovery.
--enable_vabc_xor
- Enable the VABC xor feature. Will reduce space requirements for OTA
+ Enable the VABC xor feature. Will reduce space requirements for OTA, but OTA installation will be slower.
--force_minor_version
Override the update_engine minor version for delta generation.
@@ -233,7 +233,10 @@
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.
+ Whether to enable to zucchini feature. Will generate smaller OTA but uses more memory, OTA generation will take longer.
+
+ --enable_puffdiff
+ Whether to enable to puffdiff feature. Will generate smaller OTA but uses more memory, OTA generation will take longer.
--enable_lz4diff
Whether to enable lz4diff feature. Will generate smaller OTA for EROFS but
@@ -320,6 +323,7 @@
OPTIONS.force_minor_version = None
OPTIONS.compressor_types = None
OPTIONS.enable_zucchini = True
+OPTIONS.enable_puffdiff = None
OPTIONS.enable_lz4diff = False
OPTIONS.vabc_compression_param = None
OPTIONS.security_patch_level = None
@@ -994,6 +998,9 @@
additional_args += ["--enable_zucchini=" +
str(OPTIONS.enable_zucchini).lower()]
+ if OPTIONS.enable_puffdiff is not None:
+ additional_args += ["--enable_puffdiff=" +
+ str(OPTIONS.enable_puffdiff).lower()]
if not ota_utils.IsLz4diffCompatible(source_file, target_file):
logger.warning(
@@ -1193,6 +1200,9 @@
elif o == "--enable_zucchini":
assert a.lower() in ["true", "false"]
OPTIONS.enable_zucchini = a.lower() != "false"
+ elif o == "--enable_puffdiff":
+ assert a.lower() in ["true", "false"]
+ OPTIONS.enable_puffdiff = a.lower() != "false"
elif o == "--enable_lz4diff":
assert a.lower() in ["true", "false"]
OPTIONS.enable_lz4diff = a.lower() != "false"
@@ -1254,6 +1264,7 @@
"force_minor_version=",
"compressor_types=",
"enable_zucchini=",
+ "enable_puffdiff=",
"enable_lz4diff=",
"vabc_compression_param=",
"security_patch_level=",