Paul's Conclusions on "Executors" Functionality?

"I'll look into Salt more. Maybe there is a way to extend Darch to support different "executors" to support things like bash/Salt/Puppet/etc." -- @pauldotknopf on HN
https://news.ycombinator.com/item?id=16672070

Just wanted to hear your thoughts on this topic from a couple years ago. I'm also curious about the possibility of using ZFS's incremental snapshot functionality in a similar way.