fix building base Arch image if no additional package was requested

diff --git a/mkosi b/mkosi
index b79e3dca1ceb69514332a7a50d2bd3ea3296506c..4d58159dd802b84879ab19e5d2ebf984b923fbb9 100755 (executable)
--- a/mkosi
+++ b/mkosi
@@ -1196,10 +1196,10 @@ SigLevel    = Required DatabaseOptional
 
     subprocess.run(cmdline, check=True)
 
-    if not "networkmanager" in args.packages:
-        enable_networkd(workspace)
-    else:
+    if args.packages and "networkmanager" in args.packages:
         enable_networkmanager(workspace)
+    else:
+        enable_networkd(workspace)
 
 @complete_step('Installing openSUSE')
 def install_opensuse(args, workspace, run_build_script):