Ruby on Rails

    namespace :uploads do
    
      desc <<-EOD
        Creates the upload folders unless they exist
        and sets the proper upload permissions.
      EOD
      task :setup, :except => { :no_release => true } do
        dirs = uploads_dirs.map { |d| File.join(shared_path, d) }
        run "#{try_sudo} mkdir -p #{dirs.join(' ')} && #{try_sudo} chmod g+w #{dirs.join(' ')}"
      end
    
      desc <<-EOD
        [internal] Creates the symlink to uploads shared folder
        for the most recently deployed version.
      EOD
      task :symlink, :except => { :no_release => true } do
        run "rm -rf #{release_path}/public/ckeditor_assets"
        run "ln -nfs #{shared_path}/ckeditor_assets #{release_path}/public/ckeditor_assets"
      end
    
      desc <<-EOD
        [internal] Computes uploads directory paths
        and registers them in Capistrano environment.
      EOD
      task :register_dirs do
        set :uploads_dirs,    %w(public/ckeditor_assets)
        set :shared_children, fetch(:shared_children) + fetch(:uploads_dirs)
      end
    
      after       "deploy:finalize_update", "uploads:symlink"
      on :start,  "uploads:register_dirs"
    
    end