3 files changed, 34 insertions, 4 deletions
diff --git a/railties/lib/rails/tasks/dev.rake b/railties/lib/rails/tasks/dev.rake
new file mode 100644
index 0000000000..ff2de264ce
--- /dev/null
+++ b/railties/lib/rails/tasks/dev.rake
@@ -0,0 +1,16 @@
+namespace :dev do
+  desc 'Toggle development mode caching on/off'
+  task :cache do
+    FileUtils.mkdir_p('tmp')
+
+    if File.exist? 'tmp/caching-dev.txt'
+      File.delete 'tmp/caching-dev.txt'
+      puts 'Development mode is no longer being cached.'
+    else
+      FileUtils.touch 'tmp/caching-dev.txt'
+      puts 'Development mode is now being cached.'
+    end
+
+    FileUtils.touch 'tmp/restart.txt'
+  end
+end
diff --git a/railties/lib/rails/tasks/framework.rake b/railties/lib/rails/tasks/framework.rake
index 7601836809..bf25b74627 100644
--- a/railties/lib/rails/tasks/framework.rake
+++ b/railties/lib/rails/tasks/framework.rake
@@ -1,4 +1,6 @@
-namespace :rails do
+require 'active_support/deprecation'
+
+namespace :app do
   desc "Update configs and some other initially generated files (or use just update:configs or update:bin)"
   task update: [ "update:configs", "update:bin" ]
 
@@ -66,3 +68,15 @@ namespace :rails do
     end
   end
 end
+
+namespace :rails do
+  %i(update template templates:copy update:configs update:bin).each do |task_name|
+    task "#{task_name}" do
+      ActiveSupport::Deprecation.warn(<<-MSG.squish)
+        Running #{task_name} with the rails: namespace is deprecated in favor of app: namespace.
+        Run bin/rails app:#{task_name} instead.
+      MSG
+      Rake.application.invoke_task("app:#{task_name}")
+    end
+  end
+end
diff --git a/railties/lib/rails/tasks/routes.rake b/railties/lib/rails/tasks/routes.rake
index 939fa59c75..69103aa5d9 100644
--- a/railties/lib/rails/tasks/routes.rake
+++ b/railties/lib/rails/tasks/routes.rake
@@ -2,7 +2,7 @@ require 'active_support/deprecation'
 require 'active_support/core_ext/string/strip' # for strip_heredoc
 require 'optparse'
 
-desc 'Print out all defined routes in match order, with names. Target specific controller with --controller option - or its -c shorthand.'
+desc 'Print out all defined routes in match order, with names. Target specific controller with -c option, or grep routes using -g option'
 task routes: :environment do
   all_routes = Rails.application.routes.routes
   require 'action_dispatch/routing/inspector'
@@ -19,11 +19,11 @@ task routes: :environment do
 
   OptionParser.new do |opts|
     opts.banner = "Usage: rails routes [options]"
-    opts.on("-c", "--controller [CONTROLLER]") do |controller|
+    opts.on("-c CONTROLLER") do |controller|
       routes_filter = { controller: controller }
     end
 
-    opts.on("-g", "--grep [PATTERN]") do |pattern|
+    opts.on("-g PATTERN") do |pattern|
       routes_filter = pattern
     end