[PATCH v5 40/45] iotests.py: qemu_img_create: use imgfmt by default

[Vladimir Sementsov-Ogievskiy]

Less typing: let's use imgfmt by default if user doesn't specify
neither -f nor --image-opts.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@openvz.org>
---
 tests/qemu-iotests/iotests.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index fcec3e51e5..c7a38a95a4 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -266,6 +266,8 @@ def ordered_qmp(qmsg, conv_keys=True):
     return qmsg
 
 def qemu_img_create(*args: str) -> 'subprocess.CompletedProcess[str]':
+    if '-f' not in args and '--image-opts' not in args:
+        args = ['-f', imgfmt] + list(args)
     return qemu_img('create', *args)
 
 def qemu_img_json(*args: str) -> Any:
-- 
2.35.1