[libcalamares] Make automountDisable() more flexible

src/libcalamares/partition/AutoMount.cpp

@@ -68,12 +68,12 @@ querySolidAutoMount( QDBusConnection& dbus, AutoMountInfo& info )
 }
 
 std::unique_ptr< AutoMountInfo >
-automountDisable()
+automountDisable( bool disable )
 {
     auto u = std::make_unique< AutoMountInfo >();
     QDBusConnection dbus = QDBusConnection::sessionBus();
     querySolidAutoMount( dbus, *u );
-    enableSolidAutoMount( dbus, false );
+    enableSolidAutoMount( dbus, !disable );
     return u;
 }
 

src/libcalamares/partition/AutoMount.h

@@ -30,10 +30,13 @@ struct AutoMountInfo;
  * steps (create table, create partition, set partition flags) which are
  * blocked if the partition gets mounted partway through the operation.
  *
+ * @param disable set this to false to reverse the sense of the function
+ *      call and force *enabling* automount, instead.
+ *
  * Returns an opaque structure which can be passed to automountRestore()
  * to return the system to the previously-configured automount settings.
  */
-DLLEXPORT std::unique_ptr< AutoMountInfo > automountDisable();
+DLLEXPORT std::unique_ptr< AutoMountInfo > automountDisable( bool disable = true );
 
 /** @brief Restore automount settings
  *