There's one task, though, that you can't accomplish with the boot drive by CleverFiles: you won't be able to install the new instance of macOS Sierra or Mac OS X Yosemite, or the previous ones. But we are working on the update of Disk Drill that will offer this functionality. Yes, you are right, you can also use AppleScript to create your own bootable drive with a minimal feature set to install macOS. As mentioned before, it's relatively easy for almost any user, if you can comfortably run a bunch of Terminal commands. If you rather not to, refer back to Disk Drill, a very powerful alternative to Lion Disk Maker, it's always ready to help you out and boot your Mac in Safe Mode.
With all the data recovery, data backup, disk management and optimization features Disk Drill becomes your all-in-one stop to perform disk imaging and secure data recovery at any time. Disk Drill is a well-known product available for multiple platforms for years.