Fix a failure in signing test
Pixel moved away from sparse images, so validate_target_files is failing
because it expects sparse images.
Test: th
Change-Id: I322ff10c2afbacfb4d78991be60c11aac92a6d4c
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 2ee4b8e..1937f29 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -3953,3 +3953,10 @@
OPTIONS.replace_updated_files_list.append(care_map_path)
else:
ZipWrite(output_file, temp_care_map, arcname=care_map_path)
+
+
+def IsSparseImage(filepath):
+ with open(filepath, 'rb') as fp:
+ # Magic for android sparse image format
+ # https://source.android.com/devices/bootloader/images
+ return fp.read(4) == b'\x3A\xFF\x26\xED'