Merge "Skip verifying the partition with no changed blocks."
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index f68596b..92af547 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -1472,8 +1472,12 @@
def WriteVerifyScript(self, script, touched_blocks_only=False):
partition = self.partition
+
+ # full OTA
if not self.src:
script.Print("Image %s will be patched unconditionally." % (partition,))
+
+ # incremental OTA
else:
if touched_blocks_only and self.version >= 3:
ranges = self.touched_src_ranges
@@ -1481,6 +1485,11 @@
else:
ranges = self.src.care_map.subtract(self.src.clobbered_blocks)
expected_sha1 = self.src.TotalSha1()
+
+ # No blocks to be checked, skipping.
+ if not ranges:
+ return
+
ranges_str = ranges.to_string_raw()
if self.version >= 4:
script.AppendExtra(('if (range_sha1("%s", "%s") == "%s" || '