[gnome-boxes/wip/snapshot-config-changes: 3/6] machine-config-editor: Reuse existing GVirConfig.Domain instance

[Felipe Borges <felipeborges src gnome org>]

commit 3c9bd08f5a3d4fe97e501db0c221eeea75d7aceb
Author: Felipe Borges <felipeborges gnome org>
Date:   Fri Oct 9 12:00:23 2020 +0200

    machine-config-editor: Reuse existing GVirConfig.Domain instance

 src/config-editor.vala | 19 +++----------------
 1 file changed, 3 insertions(+), 16 deletions(-)
---
diff --git a/src/config-editor.vala b/src/config-editor.vala
index d85d2bf6..8346bbb9 100644
--- a/src/config-editor.vala
+++ b/src/config-editor.vala
@@ -20,24 +20,11 @@ public void setup (LibvirtMachine machine) {
         buffer.language = Gtk.SourceLanguageManager.get_default ().get_language ("xml");
         view.buffer = buffer;
 
-        try {
-            var config = machine.domain.get_config (GVir.DomainXMLFlags.NONE);
-            buffer.set_text (config.to_xml ());
-        } catch (GLib.Error error) {
-            warning ("Failed to load machine configuration: %s", error.message);
-        }
+        buffer.set_text (machine.domain_config.to_xml ());
     }
 
     public async void save () {
-        GVirConfig.Domain? config = null;
-        try {
-            config = machine.domain.get_config (GVir.DomainXMLFlags.NONE);
-        } catch (GLib.Error error) {
-            warning ("Failed to load machine configuration: %s", error.message);
-            return;
-        }
-
-        var saved = yield save_original_config (config);
+        var saved = yield save_original_config (machine.domain_config);
         if (!saved) {
             var failed_to_save_msg = _("Unable to backup original configuration. Aborting.");
             App.app.main_window.notificationbar.display_error (failed_to_save_msg);
@@ -46,7 +33,7 @@ public async void save () {
         }
 
         var xml = view.buffer.text;
-        if (config.to_xml () == xml) {
+        if (machine.domain_config.to_xml () == xml) {
             debug ("Nothing changed in the VM configuration");
             return;
         }