In which package, useradd command is bundled?

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1

I’m trying to use useradd command in the script, which will be running on NixOS. I was trying to call this binary this way:

${pkgs.useradd}/bin/useradd -m user

But this idea failed, because, there’s no such package. So I want to know, in which package, useradd binary goes included, to be able to call it in such way

${pkgs.packageContainingUseradd}/bin/useradd -m user
2

Apparently it is in ‘shadow’:

$ nix-locate bin/useradd | grep -v "^("
shadow.out                                      144,648 x /nix/store/nsls44jp1bhbiianmnj67f2g5rvl7yzm-shadow-4.8/bin/useradd
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3

As a sidenote, I’d recommend managing users declaratively through users.users instead of using adduser or useradd.

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4

Yep. That’s a better practice in terms of NixOS. But in my particular case, it just simpler to create user imperatively, then trying to update .nix configs via script, using sed or awk

5

It’s highly dependent on exactly what you’re doing, but you might be able to use fromJSON: Introduction - Nix Reference Manual