lib/docman/builders/builder.rb in docman-0.0.48 vs lib/docman/builders/builder.rb in docman-0.0.49

@@ -30,10 +30,10 @@
 
         info_file = File.join(@context['full_build_path'], 'info.yaml')
         info = YAML::load_file(info_file) if File.file? info_file
         if info
           name = @context['name']
-          environment['previous'] = {}
+          environment['previous'] = {} if environment['previous'].nil?
           environment['previous'][name] = info
         end
 
       end