Index: script/univention-add-app
===================================================================
--- script/univention-add-app   (Revision 43506)
+++ script/univention-add-app   (Arbeitskopie)
@@ -83,8 +83,6 @@
                if requested_app.candidate:
                        function = 'update'
                        requested_app = requested_app.candidate
-               for iapp in requested_app.versions:
-                       component_manager.remove_app(iapp)
        else:
                for app in Application.all():
                        requested_apps = filter(lambda iapp: iapp.component_id == component_id, app.versions)
@@ -93,7 +91,6 @@
                                for iapp in app.versions:
                                        if iapp.is_installed(package_manager):
                                                function = 'update'
-                                       component_manager.remove_app(iapp)
                                break
        if requested_app is None:
                sys.stderr.write('App "%s" not found\n' % component_id)
@@ -102,8 +99,7 @@
                sys.stderr.write('App "%s" may not be installed\n' % requested_app.name)
                sys.exit(1)
        success = True
-       component_manager.put_app(requested_app)
-       package_manager.update()
+       requested_app.register(component_manager, package_manager)
        if options.install_all or options.install_master:
                only_master_packages = not options.install_all
                requested_app.versions = Application.find(requested_app.id).versions