sparse_copy creates output file that is smaller than input
file when input file ends with unmapped blocks.
Used truncate(<input file size>) when output file is created
to ensure the size of output file will always be equal to
the size of input file.
Signed-off-by: Ed Bartosh <ed.bart...@linux.intel.com>
---
scripts/lib/wic/filemap.py | 1 +
1 file changed, 1 insertion(+)
diff --git a/scripts/lib/wic/filemap.py b/scripts/lib/wic/filemap.py
index 162603e..080668e 100644
--- a/scripts/lib/wic/filemap.py
+++ b/scripts/lib/wic/filemap.py
@@ -537,6 +537,7 @@ def sparse_copy(src_fname, dst_fname, offset=0, skip=0):
dst_file = open(dst_fname, 'r+b')
except IOError:
dst_file = open(dst_fname, 'wb')
+ dst_file.truncate(os.path.getsize(src_fname))
for first, last in fmap.get_mapped_ranges(0, fmap.blocks_cnt):
start = first * fmap.block_size
--
2.1.4
--
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