module Rake # ########################################################################## # Mixin for creating easily cloned objects. # module Cloneable # The hook that invoked by 'clone' and 'dup' methods. def initialize_copy(source) super source.instance_variables.each do |var| src_value = source.instance_variable_get(var) value = src_value.clone rescue src_value instance_variable_set(var, value) end end end end