1 files changed, 3 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 0239a6c..9347659 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,9 @@ build all:
 clean:
 	-rm ebin/*.beam
 release:
+	test ! -f rel/db/treesize || \
+		test $$(cat rel/db/treesize) = 0 && \
+		rm -rf rel
 	rm -rf rel
 	mkdir rel
 	./makerelease.erl