File qbs-path.diff of Package libqt5-creator
--- a/src/shared/qbs/src/plugins/plugins.pri 2014-02-27 15:19:48.000000000 +0100
+++ b/src/shared/qbs/src/plugins/plugins.pri 2014-04-02 22:54:38.362554686 +0200
@@ -19,5 +19,5 @@ include(../library_dirname.pri)
installPrefix = $${QBS_PLUGINS_INSTALL_DIR}
else: \
installPrefix = $${QBS_INSTALL_PREFIX}/$${QBS_LIBRARY_DIRNAME}
-target.path = $${installPrefix}/qbs/plugins
+target.path = $$QTC_PREFIX/$${IDE_LIBRARY_BASENAME}/qtcreator/plugins/qbs/
INSTALLS += target