Why rely on bash? Windows has Powershell and symlinks, what else is needed to create a nix-style package manager for Windows?
I'm not saying it's a good idea, I don't think anyone would really want that, but it could be done.
I'm not saying it's a good idea, I don't think anyone would really want that, but it could be done.
That said, there have been attempts to get native Windows support:
https://github.com/volth/nix-windows/commits/windows