From: reuben olinsky <reubeno@users.noreply.github.com>
Date: Thu, 3 Nov 2022 15:55:04 +0000 (-0700)
Subject: Flush files after copying
X-Git-Tag: v15~395
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e1bdb61ed0ede67d6bd3d56e9ba5750db8e76a14;p=thirdparty%2Fmkosi.git

Flush files after copying

This resolves an issue where qemu sees an incomplete image when
--ephemeral is used.
---

diff --git a/mkosi/__init__.py b/mkosi/__init__.py
index 218099b8e..9ead74089 100644
--- a/mkosi/__init__.py
+++ b/mkosi/__init__.py
@@ -616,6 +616,7 @@ def copy_file_object(oldobject: BinaryIO, newobject: BinaryIO) -> None:
         if e.errno not in {errno.EXDEV, errno.EOPNOTSUPP, errno.ENOTTY}:
             raise
         shutil.copyfileobj(oldobject, newobject)
+        newobject.flush()
 
 
 def copy_file(oldpath: PathString, newpath: PathString) -> None: