sync up console approach with rake approach.

lib/heroku/command/run.rb

@@ -91,12 +91,11 @@ def rake
   # >>
   #
   def console
-    puts "`heroku #{current_command}` has been removed. Please use: `heroku run` instead."
-    puts "For more information, please see:"
-    puts " * https://devcenter.heroku.com/articles/one-off-dynos"
-    puts " * https://devcenter.heroku.com/articles/rails3#console"
-    puts " * https://devcenter.heroku.com/articles/console-bamboo"
+    deprecate("`heroku #{current_command}` has been deprecated. Please use `heroku run rake` instead.")
+    command = "console #{args.join(' ')}"
+    run_attached(command)
   end
+
   alias_command "console", "run:console"
 
 protected
@@ -133,48 +132,4 @@ def rendezvous_session(rendezvous_url, &on_connect)
       set_buffer(true)
     end
   end
-
-  def console_history_dir
-    FileUtils.mkdir_p(path = "#{home_directory}/.heroku/console_history")
-    path
-  end
-
-  def console_session(app)
-    heroku.console(app) do |console|
-      console_history_read(app)
-
-      display "Ruby console for #{app}.#{heroku.host}"
-      while cmd = Readline.readline('>> ')
-        unless cmd.nil? || cmd.strip.empty?
-          console_history_add(app, cmd)
-          break if cmd.downcase.strip == 'exit'
-          display console.run(cmd)
-        end
-      end
-    end
-  end
-
-  def console_history_file(app)
-    "#{console_history_dir}/#{app}"
-  end
-
-  def console_history_read(app)
-    history = File.read(console_history_file(app)).split("\n")
-    if history.size > 50
-      history = history[(history.size - 51),(history.size - 1)]
-      File.open(console_history_file(app), "w") { |f| f.puts history.join("\n") }
-    end
-    history.each { |cmd| Readline::HISTORY.push(cmd) }
-  rescue Errno::ENOENT
-  rescue Exception => ex
-    display "Error reading your console history: #{ex.message}"
-    if confirm("Would you like to clear it? (y/N):")
-      FileUtils.rm(console_history_file(app)) rescue nil
-    end
-  end
-
-  def console_history_add(app, cmd)
-    Readline::HISTORY.push(cmd)
-    File.open(console_history_file(app), "a") { |f| f.puts cmd + "\n" }
-  end
 end