diff --git a/make/topdir.mk b/make/topdir.mk
index c6fd683c..06d10ed5 100644
--- a/make/topdir.mk
+++ b/make/topdir.mk
@@ -92,3 +92,6 @@ git-init:
 	list-cvs-files.sh -f | xargs git add
 	git commit -m "initial checkin of $(RPM_VERSION)"
 
+scratch-%:
+	sh $(MOD_SCRIPT_DIR)/build.sh $* $(PROJECT)
+