If only it had a place to register a setting or store a file containing information like "update until you reach the latest version". It'd also need to be able

If only it had a place to register a setting or store a file containing information like "update until you reach the latest version". It'd also need to be able to get through all the updates without crashing even once (otherwise we'd need to check the disks and repair start-up files, and that can't be automated), so maybe this is just impossible.