or howabout a Capfile and use capistrano? it's abused for many purposes, but its' job is managing versioned deployments which can be rolled back. you want thi

or howabout a Capfile and use capistrano? it's abused for many purposes, but its' job is managing versioned deployments which can be rolled back. you want this as early as possible, don't shun learning a tool for a couple hours for two years because you don't think you need its' power yet, start getting to know it so you're ready when you do.