Quote Windows task script argument

infra/backup/test_receive_external.py

@@ -304,6 +304,10 @@ class ExternalReceiverTests(unittest.TestCase):
         self.assertEqual(task.findtext("t:Settings/t:MultipleInstancesPolicy", namespaces=ns), "IgnoreNew")
         self.assertEqual(task.findtext("t:Settings/t:StopIfGoingOnBatteries", namespaces=ns), "false")
         self.assertEqual(task.findtext("t:Principals/t:Principal/t:RunLevel", namespaces=ns), "LeastPrivilege")
+        self.assertEqual(
+            task.findtext("t:Actions/t:Exec/t:Arguments", namespaces=ns),
+            '"C:\\Program Files\\Akyldash\\receive_external.py" --once',
+        )
 
 
 if __name__ == "__main__":

infra/deploy/windows-release-trigger.example.xml

@@ -38,7 +38,7 @@
   <Actions Context="Owner">
     <Exec>
       <Command>C:\Program Files\Akyldash\python.exe</Command>
-      <Arguments>C:\Program Files\Akyldash\receive_external.py --once</Arguments>
+      <Arguments>&quot;C:\Program Files\Akyldash\receive_external.py&quot; --once</Arguments>
       <WorkingDirectory>C:\Program Files\Akyldash</WorkingDirectory>
     </Exec>
   </Actions>