cascade.rb in rack-1.4.0

- old
+ new

@@ -2,11 +2,11 @@
   # Rack::Cascade tries an request on several apps, and returns the
   # first response that is not 404 (or in a list of configurable
   # status codes).
 
   class Cascade
-    NotFound = [404, {}, []]
+    NotFound = [404, {"Content-Type" => "text/plain"}, []]
 
     attr_reader :apps
 
     def initialize(apps, catch=404)
       @apps = []; @has_app = {}
@@ -17,22 +17,11 @@
     end
 
     def call(env)
       result = NotFound
 
-      last_body = nil
-
       @apps.each do |app|
-        # The SPEC says that the body must be closed after it has been iterated
-        # by the server, or if it is replaced by a middleware action. Cascade
-        # replaces the body each time a cascade happens. It is assumed that nil
-        # does not respond to close, otherwise the previous application body
-        # will be closed. The final application body will not be closed, as it
-        # will be passed to the server as a result.
-        last_body.close if last_body.respond_to? :close
-
         result = app.call(env)
-        last_body = result[2]
         break unless @catch.include?(result[0].to_i)
       end
 
       result
     end