1 files changed, 13 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 1b79e7f..56e5bae 100644
--- a/Makefile
+++ b/Makefile
@@ -99,7 +99,7 @@ ifdef VERBOSE
 endif
 
 
-.PHONY: help clean_except_last clean_bases clean_all
+.PHONY: help clean_except_last clean_bases clean_all clean_failed
 help:
 
 
@@ -170,6 +170,18 @@ clean_except_last:
 		    | xargs -r -0 -n1 rm -rf; )
 
 
+clean_failed:
+	@-$(foreach template,$(TEMPLATES),\
+		test -d $(template) && \
+		    find $(template)/* \
+		        -maxdepth 0 \
+		        -type d \
+		        -not -name base \
+		        -print0 \
+		    | xargs -r -0 -n1 -i \
+		        $(SHELL) -c 'test -d "{}/build" || rm -rf "{}"')
+
+
 clean_bases:
 	@-$(foreach template,$(TEMPLATES),\
 		test -d $(template) && rm -rf $(template)/base;)