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---
title: Guix users in NixOS system configuration
date: 2018-07-13
layout: post
lang: en
eu_categories: nix,guix
---
```nix
users = {
mutableUsers = false;
extraUsers =
let
andrehUser = {
andreh = {
# my custom user config
};
};
# From the Guix manual:
# https://www.gnu.org/software/guix/manual/en/html_node/Build-Environment-Setup.html#Build-Environment-Setup
buildUser = (i:
{
"guixbuilder${i}" = { # guixbuilder$i
group = "guixbuild"; # -g guixbuild
extraGroups = ["guixbuild"]; # -G guixbuild
home = "/var/empty"; # -d /var/empty
shell = pkgs.nologin; # -s `which nologin`
description = "Guix build user ${i}"; # -c "Guix buid user $i"
isSystemUser = true; # --system
};
}
);
in
# merge all users
pkgs.lib.fold (str: acc: acc // buildUser str)
andrehUser
# for i in `seq -w 1 10`
(map (pkgs.lib.fixedWidthNumber 2) (builtins.genList (n: n+1) 10));
extraGroups.guixbuild = {
name = "guixbuild";
};
};
```
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