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[Dan Bungert <mp+442650@xxxxxxxxxxxxxxxxxx>]

Do any of the tests care about if the file is sparse or not?  I suspect they do not.

What if we just did this?

diff --git a/tests/integration/test_block_meta.py b/tests/integration/test_block_meta.py
index d701ca09..508847b9 100644
--- a/tests/integration/test_block_meta.py
+++ b/tests/integration/test_block_meta.py
@@ -168,8 +168,7 @@ class StorageConfigBuilder:
 
     def add_image(self, *, path, size, create=False, **kw):
         if create:
-            with open(path, "wb") as f:
-                f.write(b"\0" * int(util.human2bytes(size)))
+            util.subp(['truncate', '-s', str(size), path])
         action = self._add(type='image', path=path, size=size, **kw)
         self.cur_image = action['id']
         return action

-- 
https://code.launchpad.net/~curtin-dev/curtin/+git/curtin/+merge/442650
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