@if [ -d "$(2)" -a "$$$$(ls $(2) | wc -l)" -gt 0 ]; then \
if [ -s "$(2)/series" ]; then \
$(call filter_series,$(2)/series) | xargs -n1 \
- $(PATCH) "$(1)" "$(2)"; \
+ $(KPATCH) "$(1)" "$(2)"; \
else \
- $(PATCH) "$(1)" "$(2)"; \
+ $(KPATCH) "$(1)" "$(2)"; \
fi; \
fi
endef