lib/pione/tuple/task-tuple.rb in pione-0.1.2 vs lib/pione/tuple/task-tuple.rb in pione-0.1.3

@@ -22,10 +22,14 @@
       #   task digest string
       def digest
         "%s([%s],{%s})" % [
           rule_path,
           inputs.map{|i|
-            i.kind_of?(Array) ? "[%s, ...]" % i[0].name : i.name
+            if i.kind_of?(Array)
+              i.empty? ? "[]" : "[%s, ...]" % i[0].name
+            else
+              i.name
+            end
           }.join(","),
           params.data.select{|k,_|
             not(k.toplevel?)
           }.map{|k,v| "%s:%s" % [k.name, v.textize]}.join(",")
         ]