lib/nanoc/base/compilation/outdatedness_checker.rb in nanoc-4.1.1 vs lib/nanoc/base/compilation/outdatedness_checker.rb in nanoc-4.1.2

@@ -170,24 +170,32 @@
     def rule_memory_differs_for(obj)
       !rule_memory_store[obj].eql?(@action_provider.memory_for(obj).serialize)
     end
     memoize :rule_memory_differs_for
 
+    # @param obj The object to create a checksum for
+    #
+    # @return [String] The digest
+    def calc_checksum(obj)
+      Nanoc::Int::Checksummer.calc(obj)
+    end
+    memoize :calc_checksum
+
     # @param obj
     #
     # @return [Boolean] false if either the new or the old checksum for the
     #   given object is not available, true if both checksums are available
     def checksums_available?(obj)
-      checksum_store[obj] && Nanoc::Int::Checksummer.calc(obj)
+      checksum_store[obj] && calc_checksum(obj)
     end
     memoize :checksums_available?
 
     # @param obj
     #
     # @return [Boolean] false if the old and new checksums for the given
     #   object differ, true if they are identical
     def checksums_identical?(obj)
-      checksum_store[obj] == Nanoc::Int::Checksummer.calc(obj)
+      checksum_store[obj] == calc_checksum(obj)
     end
     memoize :checksums_identical?
 
     # @param obj
     #