2 files changed, 22 insertions, 22 deletions
diff --git a/railties/lib/rails/commands/commands_tasks.rb b/railties/lib/rails/commands/commands_tasks.rb
index 685d55eea8..7e6b49e2a3 100644
--- a/railties/lib/rails/commands/commands_tasks.rb
+++ b/railties/lib/rails/commands/commands_tasks.rb
@@ -36,10 +36,9 @@ EOT
 
     def run_command!(command)
       command = parse_command(command)
+
       if COMMAND_WHITELIST.include?(command)
         send(command)
-      else
-        write_error_message(command)
       end
     end
 
@@ -151,26 +150,6 @@ EOT
         puts HELP_MESSAGE
       end
 
-      # Output an error message stating that the attempted command is not a valid rails command.
-      # Run the attempted command as a rake command with the --dry-run flag. If successful, suggest
-      # to the user that they possibly meant to run the given rails command as a rake command.
-      # Append the help message.
-      #
-      #   Example:
-      #   $ rails db:migrate
-      #   Error: Command 'db:migrate' not recognized
-      #   Did you mean: `$ rake db:migrate` ?
-      #   (Help message output)
-      #
-      def write_error_message(command)
-        puts "Error: Command '#{command}' not recognized"
-        if %x{rake #{command} --dry-run 2>&1 } && $?.success?
-          puts "Did you mean: `$ rake #{command}` ?\n\n"
-        end
-        write_help_message
-        exit(1)
-      end
-
       def parse_command(command)
         case command
         when '--version', '-v'
diff --git a/railties/lib/rails/commands/dev_cache.rb b/railties/lib/rails/commands/dev_cache.rb
new file mode 100644
index 0000000000..ec96e8f630
--- /dev/null
+++ b/railties/lib/rails/commands/dev_cache.rb
@@ -0,0 +1,21 @@
+require 'rails/command'
+
+module Rails
+  module Commands
+    # This is a wrapper around the Rails dev:cache command
+    class DevCache < Command
+      set_banner :dev_cache, 'Toggle development mode caching on/off'
+      def dev_cache
+        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
+  end
+end