Nixos-rebuild-ng: a nixos-rebuild rewrite

[waffle8946]

@NobbZ

standardizing all the tooling to a single language/runtime would be ideal

relevant discussion:

What is Nixpkgs preferred programming language?

In nixpkgs in most cases have bash under the hood, but in more complex cases we use other languages: Perl (it is all over the place) Python (if I recall correctly /boot setup is written in Python) Rust (I think we have it somewhere in init, maybe for the secure boot?) Perl seems to be slowly deprecated, but what are the preferred programming languages for cases when expressing things in bash is just too complicated? I would love to see documentation on this if something like this has been de…