Bring normalize behavior to AbstractController::Rendering

actionpack/lib/abstract_controller/localized_cache.rb

@@ -34,7 +34,7 @@ def template_cache
       end
     end
 
-    def render(options)
+    def render(*args)
       Thread.current[:format_locale_key] = HashKey.get(self.class, formats, I18n.locale)
       super
     end

actionpack/lib/abstract_controller/rendering.rb

@@ -40,12 +40,13 @@ def view_context
 
     # Mostly abstracts the fact that calling render twice is a DoubleRenderError.
     # Delegates render_to_body and sticks the result in self.response_body.
-    def render(*args)
+    def render(*args, &block)
       if response_body
         raise AbstractController::DoubleRenderError, "Can only render or redirect once per action"
       end
 
-      self.response_body = render_to_body(*args)
+      options = _normalize_options(*args, &block)
+      self.response_body = render_to_body(options)
     end
 
     # Raw rendering of a template to a Rack-compatible body.
@@ -69,7 +70,8 @@ def render_to_body(options = {})
     # render_to_body into a String.
     #
     # :api: plugin
-    def render_to_string(options = {})
+    def render_to_string(*args)
+      options = _normalize_options(*args)
       AbstractController::Rendering.body_to_s(render_to_body(options))
     end
 
@@ -96,6 +98,20 @@ def view_paths
       _view_paths
     end
 
+    # Normalize options, by converting render "foo" to render :template => "foo"
+    # and render "/foo" to render :file => "/foo".
+    def _normalize_options(action=nil, options={})
+      case action
+      when Hash
+        options, action = action, nil
+      when String
+        key = (action.index("/") == 0 ? :file : :template)
+        options.merge!(key => action)
+      end
+
+      options
+    end
+
     # Return a string representation of a Rack-compatible response body.
     def self.body_to_s(body)
       if body.respond_to?(:to_str)

actionpack/lib/action_controller/base.rb

@@ -74,17 +74,14 @@ def self.subclasses
       @subclasses ||= []
     end
 
-    def _normalize_options(action = nil, options = {}, &blk)
-      if action.is_a?(Hash)
-        options, action = action, nil
-      elsif action.is_a?(String) || action.is_a?(Symbol)
-        key = case action = action.to_s
-        when %r{^/} then :file
-        when %r{/}  then :template
-        else             :action
-        end
-        options.merge! key => action
-      elsif action
+    def _normalize_options(action=nil, options={}, &blk)
+      case action
+      when NilClass
+      when Hash, String
+        options = super
+      when Symbol
+        options.merge! :action => action
+      else
         options.merge! :partial => action
       end
 
@@ -99,15 +96,5 @@ def _normalize_options(action = nil, options = {}, &blk)
       options[:update] = blk if block_given?
       options
     end
-
-    def render(action = nil, options = {}, &blk)
-      options = _normalize_options(action, options, &blk)
-      super(options)
-    end
-
-    def render_to_string(action = nil, options = {}, &blk)
-      options = _normalize_options(action, options, &blk)
-      super(options)
-    end
   end
 end

actionpack/lib/action_controller/metal/instrumentation.rb

@@ -32,18 +32,12 @@ def process_action(action, *args)
       end
     end
 
-    def render(*args, &block)
-      if logger
-        render_output = nil
-
-        self.view_runtime = cleanup_view_runtime do
-          Benchmark.ms { render_output = super }
-        end
-
-        render_output
-      else
-        super
+    def render(*args)
+      render_output = nil
+      self.view_runtime = cleanup_view_runtime do
+        Benchmark.ms { render_output = super }
       end
+      render_output
     end
 
     def send_file(path, options={})

actionpack/lib/action_controller/metal/rendering.rb

@@ -12,9 +12,10 @@ def process_action(*)
       super
     end
 
-    def render(options)
-      super
-      self.content_type ||= options[:_template].mime_type.to_s
+    def render(*args)
+      args << {} unless args.last.is_a?(Hash)
+      super(*args)
+      self.content_type ||= args.last[:_template].mime_type.to_s
       response_body
     end