add qof-session-destroy and qof-session-save-quiet

bindings/engine.i

@@ -40,6 +40,7 @@
 #include "SX-book.h"
 #include "gnc-kvp-guile.h"
 #include "glib-guile.h"
+#include "qofsession.h"
 
 #include "gncAddress.h"
 #include "gncBillTerm.h"
@@ -200,6 +201,8 @@ QofSession * qof_session_new (QofBook* book);
 QofBook * qof_session_get_book (QofSession *session);
 // TODO: Unroll/remove
 const char *qof_session_get_url (QofSession *session);
+void qof_session_destroy (QofSession *session);
+void qof_session_save_quiet (QofSession *session);
 
 %ignore qof_print_date_time_buff;
 %ignore gnc_tm_free;

libgnucash/engine/qofsession.cpp

@@ -643,6 +643,17 @@ qof_session_save_in_progress(const QofSession *session)
     return session->is_saving ();
 }
 
+static void nop (const char *message, double percent)
+{
+}
+
+void
+qof_session_save_quiet (QofSession *session)
+{
+    if (!session) return;
+    session->save (nop);
+}
+
 void
 qof_session_end (QofSession *session)
 {

libgnucash/engine/qofsession.h

@@ -273,6 +273,14 @@ void     qof_session_save (QofSession *session,
 void     qof_session_safe_save (QofSession *session,
                                 QofPercentageFunc percentage_func);
 
+/** The qof_session_save_quiet () method will commit all changes that have been
+ *    made to the session. For the file backend, this is nothing
+ *    more than a write to the file of the current Accounts & etc.
+ *    For the SQL backend, this is typically a no-op (since all data
+ *    has already been written out to the database.
+ */
+void     qof_session_save_quiet (QofSession *session);
+
 /**
  * The qof_session_end() method will release the session lock. For the
  *    file backend, it will *not* save the data to a file. Thus,