# File lib/phusion_passenger/abstract_installer.rb, line 415
        def rake!(*args)
                PhusionPassenger.require_passenger_lib 'platform_info/ruby'
                if !PlatformInfo.rake_command
                        puts_error 'Cannot find Rake.'
                        raise Abort
                end
                sh!("#{PlatformInfo.rake_command} #{args.join(' ')}")
        end