[gsettings-desktop-schemas/wip/oholy/readonly-lockdown] schemas: Add "mount-removable-storage-devices-as-read-only" option

[Ondrej Holy <oholy src gnome org>]

commit bc5e9c5f1f0166c19d0e2fb9ff2db9fdf2d45e81
Author: Ondrej Holy <oholy redhat com>
Date:   Tue May 14 08:12:59 2019 +0200

    schemas: Add "mount-removable-storage-devices-as-read-only" option
    
    Add lockdown option to prevent users from writing and modifying files
    on removable storage devices. If enabled, gvfs is going to mount removable
    storage devices (i.e. flashdisks, mobile phones, cameras) as read-only.

 schemas/org.gnome.desktop.lockdown.gschema.xml.in | 8 ++++++++
 1 file changed, 8 insertions(+)
---
diff --git a/schemas/org.gnome.desktop.lockdown.gschema.xml.in 
b/schemas/org.gnome.desktop.lockdown.gschema.xml.in
index 0150b32..d31fb77 100644
--- a/schemas/org.gnome.desktop.lockdown.gschema.xml.in
+++ b/schemas/org.gnome.desktop.lockdown.gschema.xml.in
@@ -71,5 +71,13 @@
         and removing users, as well as changing other users settings.
       </description>
     </key>
+    <key name="mount-removable-storage-devices-as-read-only" type="b">
+      <default>false</default>
+      <summary>Mount removable storage devices as read-only</summary>
+      <description>
+        Prevent users from writing or modifying files on removable storage
+        devices (i.e. flash disks, mobile phones, cameras).
+      </description>
+    </key>
   </schema>
 </schemalist>