Skip assets options in environments files when --skip-sprockets is used

railties/lib/rails/generators/rails/app/templates/config/environments/development.rb.tt

@@ -31,9 +31,11 @@
   config.active_record.auto_explain_threshold_in_seconds = 0.5
   <%- end -%>
 
+  <%- unless options.skip_sprockets? -%>
   # Do not compress assets
   config.assets.compress = false
 
   # Expands the lines which load the assets
   config.assets.debug = true
+  <%- end -%>
 end

railties/lib/rails/generators/rails/app/templates/config/environments/production.rb.tt

@@ -11,6 +11,7 @@
   # Disable Rails's static asset server (Apache or nginx will already do this)
   config.serve_static_assets = false
 
+  <%- unless options.skip_sprockets? -%>
   # Compress JavaScripts and CSS
   config.assets.compress = true
 
@@ -22,6 +23,7 @@
 
   # Defaults to Rails.root.join("public/assets")
   # config.assets.manifest = YOUR_PATH
+  <%- end -%>
 
   # Specifies the header that your server uses for sending files
   # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for apache
@@ -45,8 +47,10 @@
   # Enable serving of images, stylesheets, and JavaScripts from an asset server
   # config.action_controller.asset_host = "http://assets.example.com"
 
+  <%- unless options.skip_sprockets? -%>
   # Precompile additional assets (application.js, application.css, and all non-JS/CSS are already added)
   # config.assets.precompile += %w( search.js )
+  <%- end -%>
 
   # Disable delivery errors, bad email addresses will be ignored
   # config.action_mailer.raise_delivery_errors = false

railties/test/generators/app_generator_test.rb

@@ -211,6 +211,13 @@ class AppGeneratorTest < Rails::Generators::TestCase
       assert_no_match(/coffee-rails/, content)
       assert_no_match(/uglifier/, content)
     end
+    assert_file "config/environments/development.rb" do |content|
+      assert_no_match(/config\.assets\.debug = true/, content)
+    end
+    assert_file "config/environments/production.rb" do |content|
+      assert_no_match(/config\.assets\.digest = true/, content)
+      assert_no_match(/config\.assets\.compress = true/, content)
+    end
     assert_file "test/performance/browsing_test.rb"
   end