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Merge "Preserve the monotonic property when subtracting 0 block" am: 223d055768 am: 7ca340fb91 

Change-Id: I52d12bdf9797119eb9ea9f904f567a679be57430
This commit is contained in:
Automerger Merge Worker 2020-02-27 21:46:50 +00:00
parent d7f63ec865 7ca340fb91
commit aaea42dab0
1 changed files with 6 additions and 2 deletions
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8
tools/releasetools/sparse_img.py
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@ -250,13 +250,17 @@ class SparseImage(object):
with open(fn) as f:
for line in f:
fn, ranges_text = line.rstrip().split(None, 1)
ranges = rangelib.RangeSet.parse(ranges_text)
raw_ranges = rangelib.RangeSet.parse(ranges_text)
# Note: e2fsdroid records holes in the extent tree as "0" blocks.
# This causes confusion because clobbered_blocks always includes
# the superblock (physical block #0). Since the 0 blocks here do
# not represent actual physical blocks, remove them from the set.
ranges = ranges.subtract(rangelib.RangeSet("0"))
ranges = raw_ranges.subtract(rangelib.RangeSet("0"))
# b/150334561 we need to perserve the monotonic property of the raw
# range. Otherwise, the validation script will read the blocks with
# wrong order when pulling files from the image.
ranges.monotonic = raw_ranges.monotonic
ranges.extra['text_str'] = ranges_text
if allow_shared_blocks: