From 3d62b56635f493467b50d4c47cdea18977b6ee28 Mon Sep 17 00:00:00 2001
From: Dmitry Vorotilin <d.vorotilin@gmail.com>
Date: Sat, 2 Apr 2016 14:17:25 +0300
Subject: [PATCH] Bring quiet_assets to sprockets-rails

---
 lib/sprockets/rails/quiet_assets.rb | 18 ++++++++++++++++++
 lib/sprockets/railtie.rb            |  6 ++++++
 2 files changed, 24 insertions(+)
 create mode 100644 lib/sprockets/rails/quiet_assets.rb

diff --git a/lib/sprockets/rails/quiet_assets.rb b/lib/sprockets/rails/quiet_assets.rb
new file mode 100644
index 00000000..a54ab829
--- /dev/null
+++ b/lib/sprockets/rails/quiet_assets.rb
@@ -0,0 +1,18 @@
+module Sprockets
+  module Rails
+    class QuietAssets
+      def initialize(app)
+        @app = app
+        @assets_regex = %r(\A/{0,2}#{::Rails.application.config.assets.prefix})
+      end
+
+      def call(env)
+        if env['PATH_INFO'] =~ @assets_regex
+          ::Rails.logger.silence { @app.call(env) }
+        else
+          @app.call(env)
+        end
+      end
+    end
+  end
+end
diff --git a/lib/sprockets/railtie.rb b/lib/sprockets/railtie.rb
index e616254d..26d24364 100644
--- a/lib/sprockets/railtie.rb
+++ b/lib/sprockets/railtie.rb
@@ -6,6 +6,7 @@
 require 'sprockets'
 require 'sprockets/rails/context'
 require 'sprockets/rails/helper'
+require 'sprockets/rails/quiet_assets'
 require 'sprockets/rails/route_wrapper'
 require 'sprockets/rails/version'
 require 'set'
@@ -97,6 +98,7 @@ def configure(&block)
     config.assets.precompile  = []
     config.assets.prefix      = "/assets"
     config.assets.manifest    = nil
+    config.assets.quiet       = true
 
     initializer :set_default_precompile do |app|
       if using_sprockets4?
@@ -105,6 +107,10 @@ def configure(&block)
       else
         app.config.assets.precompile  += [LOOSE_APP_ASSETS, /(?:\/|\\|\A)application\.(css|js)$/]
       end
+
+      if app.config.assets.quiet
+        app.middleware.insert_before ::Rails::Rack::Logger, Sprockets::Rails::QuietAssets
+      end
     end
 
     config.assets.version     = ""