Merge lp:~jibel/ubiquity/lp1712581 into lp:ubiquity

[Jean-Baptiste Lallement]

This patch marks the files oem-config-prepare-gtk.desktop and oem-config-prepare-kde.desktop as trusted so it's handled as expected by nautilus (fixes lp:1712581)

[Mathieu Trudel-Lapierre (cyphermox)]

Sounds good.

review: Approve

=== modified file 'scripts/plugininstall.py'
--- scripts/plugininstall.py	2017-07-18 15:21:41 +0000
+++ scripts/plugininstall.py	2017-08-24 09:11:53 +0000
@@ -1212,6 +1212,13 @@
                                 '-o', 'oem', '-g', 'oem',
                                 '/%s' % desktop_file,
                                 '/home/oem/Desktop/%s' % desktop_base)
+                            install_misc.chrex(
+                                self.target,
+                                'sudo', '-i', '-u', 'oem',
+                                'dbus-run-session', '--',
+                                'gio', 'set',
+                                '/home/oem/Desktop/%s' % desktop_base,
+                                'metadata::trusted', 'true')
                             break
 
                 # Carry the locale setting over to the installed system.