gistfile1.txt

diff --git a/meta-refkit/lib/image-dsk.py b/meta-refkit/lib/image-dsk.py
index 2bddc5f..ee7d7c3 100644
--- a/meta-refkit/lib/image-dsk.py
+++ b/meta-refkit/lib/image-dsk.py
@@ -73,6 +73,7 @@ def sparse_copy(src_fname, dst_fname, offset_mib=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 filemap.get_mapped_ranges(0, filemap.blocks_cnt):
         start = first * filemap.block_size