[gnome-shell] main: Show a warning when running as root

[Florian Müllner <fmuellner src gnome org>]

commit a65164e54089a779dd461e348032f552b4d4d521
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Jun 8 13:32:35 2013 -0400

    main: Show a warning when running as root
    
    gnome-session used to show a dialog in this case, but a
    notification is more natural nowadays. Doing it in gnome-shell
    avoids complicated synchronization between gnome-session and
    gnome-shell.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=701212

 js/ui/main.js | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/js/ui/main.js b/js/ui/main.js
index 17f5bc716d..d8b0b9b6a4 100644
--- a/js/ui/main.js
+++ b/js/ui/main.js
@@ -262,6 +262,12 @@ function _initializeUI() {
             });
         }
 
+        let credentials = new Gio.Credentials();
+        if (credentials.get_unix_user() === 0) {
+            notify(_('Logged in as a privileged user'),
+                   _('Running a session as a privileged user should be avoided for security reasons. If 
possible, you should log in as a normal user.'));
+        }
+
         LoginManager.registerSessionWithGDM();
 
         let perfModuleName = GLib.getenv("SHELL_PERF_MODULE");