capistrano assets

gistfile1.txt

  namespace :assets do

	    desc "Figure out modified assets."
	    task :determine_modified_assets, :roles => :assets_role, :except => { :no_release => true } do
	      set :updated_assets, capture("find #{latest_release}/app/assets -type d -name .git -prune -o -mmin -#{max_asset_age} -type f -print", :except => { :no_release => true }).split
	    end

	    desc "Remove callback for asset precompiling unless assets were updated in most recent git commit."
	    task :conditionally_precompile, :roles => :assets_role, :except => { :no_release => true } do
	      if(updated_assets.empty?)
	        callback = callbacks[:after].find{|c| c.source == "deploy:assets:precompile" }
	        callbacks[:after].delete(callback)
	        logger.info("Skipping asset precompiling, no updated assets.")
	      else
	        logger.info("#{updated_assets.length} updated assets. Will precompile.")
	      end
	    end

  end