vendor/rack/lib/rack/showstatus.rb in relevance-castronaut-0.5.4 vs vendor/rack/lib/rack/showstatus.rb in relevance-castronaut-0.6.0

@@ -16,13 +16,14 @@
       @template = ERB.new(TEMPLATE)
     end
 
     def call(env)
       status, headers, body = @app.call(env)
+      headers = Utils::HeaderHash.new(headers)
+      empty = headers['Content-Length'].to_i <= 0
 
       # client or server error, or explicit message
-      if status.to_i >= 400 &&
-          (body.empty? rescue false) || env["rack.showstatus.detail"]
+      if (status.to_i >= 400 && empty) || env["rack.showstatus.detail"]
         req = Rack::Request.new(env)
         message = Rack::Utils::HTTP_STATUS_CODES[status.to_i] || status.to_s
         detail = env["rack.showstatus.detail"] || message
         body = @template.result(binding)
         size = body.respond_to?(:bytesize) ? body.bytesize : body.size