+ @ls $(SOURCES) $(DOCS) tests | sed s:^:advent-$(VERS)/: >MANIFEST
+ @(ln -s . advent-$(VERS))
+ (tar -T MANIFEST -czvf advent-$(VERS).tar.gz)
+ @(rm advent-$(VERS))
+
+release: advent-$(VERS).tar.gz advent.html history.html hints.html
+ shipper version=$(VERS) | sh -e -x
+
+refresh: advent.html
+ shipper -N -w version=$(VERS) | sh -e -x