[gnome-continuous] autobuilder: Don't bother passing a blank onEmpty

[Jasper St. Pierre <jstpierre src gnome org>]

commit 3360c95e92c76c9dcc0c248a8a453788a51ab6a3
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Wed Oct 9 16:06:24 2013 -0400

    autobuilder: Don't bother passing a blank onEmpty
    
    Just check for not-null when we call it.

 src/js/builtins/autobuilder.js |    6 +-----
 src/js/task.js                 |    3 ++-
 2 files changed, 3 insertions(+), 6 deletions(-)
---
diff --git a/src/js/builtins/autobuilder.js b/src/js/builtins/autobuilder.js
index d98c332..6aa8d3f 100644
--- a/src/js/builtins/autobuilder.js
+++ b/src/js/builtins/autobuilder.js
@@ -70,8 +70,7 @@ const Autobuilder = new Lang.Class({
        this._impl = Gio.DBusExportedObject.wrapJSObject(AutoBuilderIface, this);
        this._impl.export(Gio.DBus.session, '/org/gnome/OSTreeBuild/AutoBuilder');
 
-       this._taskmaster = new Task.TaskMaster(this.workdir,
-                                                 { onEmpty: Lang.bind(this, this._onTasksComplete) });
+       this._taskmaster = new Task.TaskMaster(this.workdir);
        this._taskmaster.connect('task-executing', Lang.bind(this, this._onTaskExecuting));
        this._taskmaster.connect('task-complete', Lang.bind(this, this._onTaskCompleted));
 
@@ -88,9 +87,6 @@ const Autobuilder = new Lang.Class({
        loop.run();
     },
 
-    _onTasksComplete: function() {
-    },
-
     _onTaskExecuting: function(taskmaster, task) {
        print("Task " + task.name + " executing on " + task.buildName);
        this._updateStatus();
diff --git a/src/js/task.js b/src/js/task.js
index 49f1fd6..831ff2c 100644
--- a/src/js/task.js
+++ b/src/js/task.js
@@ -264,7 +264,8 @@ const TaskMaster = new Lang.Class({
 
        if (this._executing.length == 0 &&
            this._pendingTasksList.length == 0) {
-           this._onEmpty(true, null);
+            if (this._onEmpty)
+               this._onEmpty(true, null);
            return;
        } else if (this._pendingTasksList.length == 0) {
            return;