> Plus, a coworker pointed out that while its supposed to be pure and functional, many recipes still basically wrap a shell script. So its not that far from the

> Plus, a coworker pointed out that while its supposed to be pure and functional, many recipes still basically wrap a shell script. So its not that far from the build system we already have... The shell scripts' effects get frozen in the Nix store, though, and can't be touched after build time. So it's a bit like using a loop in the implementation of an interface that that returns an immutable value in a language like Scala or something.