r38y / ck_fu

ck_fu

Public

Adds a development toolbar to your site that makes it easy to tell the difference between development, staging, and production.

Issues

11 filesupdated Jun 18, 2026

files9Download

./libJun 14, 2026 ./publicJun 14, 2026 ./specJun 14, 2026 .gitignoreJun 14, 2026 .gitmodulesJun 14, 2026 init.rbJun 14, 2026 MIT-LICENSEJun 14, 2026 RakefileJun 14, 2026 READMEJun 18, 2026

README

CkFu

Where does the name ck_fu come from? It's a play on attachment_fu and I think curse words are funny.

This will put a bar across the top of your screen (except in production unless :if is specified and true) that shows the environment, databases, revision, etc. Why do we need something like this? because the development and staging sites often look identical to the production site. This makes it easy to tell the difference between the sites at a glance.

Example

Run rake ck_fu:copy_styles
Add ck_fu.css to your list of stylesheets
Add the following directly below your <body> tag <%= ck_fu %>

More Advanced Usage

ck_fu (default) will not show up in production

<div class="test" id="ck_fu">Env: Test § Current DB: myapp_dev</div>

If RAILS_ROOT/REVISION exists (created by capistrano when deploying) (can suppress with :revision => false)

<div class="test" id="ck_fu">Env: Test § Current DB: myapp_dev § Revision: <rev></div>

If RAILS_ROOT/DATE exists (can suppress with :date => false)

<div class="test" id="ck_fu">Env: Test § Current DB: myapp_dev § Deployed: <date></div> To make this exist on the server, add something like the following to deploy.rb: task :after_symlink, :roles => :web do run "date > #{current_release}/DATE" end

Arbitrary links ck_fu(:links => [['Public site', root_path]])

<div class="test" id="ck_fu">Env: Test § Current DB: myapp_dev § <a href="/">Public site</a></div>

Display based on some condition like the current_user is an admin ck_fu(:if => current_user.try(:admin?)) - will display in production as well if the user is an admin.

For more information and screenshots, visit http://ck_fu.me