Terminate worker when all packages have been loaded

spec/app/atom-spec.coffee

@@ -56,3 +56,22 @@ describe "the `atom` global", ->
       expect(stylesheetElementForId(stylesheetPath).length).toBe 0
       atom.loadPackage("package-with-module")
       expect(stylesheetElementForId(stylesheetPath).length).toBe 1
+
+  describe ".loadPackages()", ->
+    beforeEach ->
+      window.rootView = new RootView
+
+    it "terminates the worker when all packages have been loaded", ->
+      spyOn(Worker.prototype, 'terminate').andCallThrough()
+      eventHandler = jasmine.createSpy('eventHandler')
+      rootView.on 'grammars-loaded', eventHandler
+      disabledPackages = config.get("core.disabledPackages")
+      disabledPackages.push('textmate-package.tmbundle')
+      config.set "core.disabledPackages", disabledPackages
+      atom.loadPackages()
+
+      waitsFor "all packages to load", 5000, -> eventHandler.callCount > 0
+
+      runs ->
+        expect(Worker.prototype.terminate).toHaveBeenCalled()
+        expect(Worker.prototype.terminate.calls.length).toBe 1

src/app/load-text-mate-packages-task.coffee

@@ -11,11 +11,15 @@ class LoadTextMatePackagesTask extends Task
 
   loadNextPackage: ->
     unless @packages.length
+      @terminate()
       rootView.trigger 'grammars-loaded'
       return
 
     @package = @packages.shift()
-    @callWorkerMethod('loadPackage', @package.name)
+    @loadPackage(@package.name)
+
+  loadPackage: (name) ->
+    @callWorkerMethod('loadPackage', name)
 
   packageLoaded: (grammars) ->
     @package.loadGrammars(grammars)