Subject: virt-install: Fix error checking extra_args
From: Cole Robinson crobinso@redhat.com Wed Nov 2 10:27:14 2016 -0400
Date: Wed Nov 2 10:27:14 2016 -0400:
Git: 7962672c713cf6d35e770f0d00068dee707b6ec9

Later bits in the code that want to warn based on extra_args content
don't handle the None case. Be consistent and convert it to a list
everywhere.

Mentioned at https://bugzilla.redhat.com/show_bug.cgi?id=1376547#c9

Index: virt-manager-1.4.0/virt-install
===================================================================
--- virt-manager-1.4.0.orig/virt-install
+++ virt-manager-1.4.0/virt-install
@@ -595,7 +595,8 @@ def build_guest_instance(conn, options):
     convert_old_os_options(options)
 
     # non-xml install options
-    guest.installer.extraargs = options.extra_args or []
+    options.extra_args = options.extra_args or []
+    guest.installer.extraargs = options.extra_args
     guest.installer.initrd_injections = options.initrd_inject
     guest.autostart = options.autostart