nixpkgs/nixos/modules/config/gnu.nix

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{ config, lib, pkgs, ... }:
{
options = {
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gnu = lib.mkOption {
type = lib.types.bool;
default = false;
description = ''
When enabled, GNU software is chosen by default whenever a there is
a choice between GNU and non-GNU software (e.g., GNU lsh
vs. OpenSSH).
'';
};
};
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config = lib.mkIf config.gnu {
environment.systemPackages = with pkgs;
# TODO: Adjust `requiredPackages' from `system-path.nix'.
# TODO: Add Inetutils once it has the new `ifconfig'.
[ parted
#fdisk # XXX: GNU fdisk currently fails to build and it's redundant
# with the `parted' command.
nano zile
texinfo # for the stand-alone Info reader
]
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++ lib.optional (!stdenv.isAarch32) grub2;
# GNU GRUB, where available.
boot.loader.grub.enable = !pkgs.stdenv.isAarch32;
boot.loader.grub.version = 2;
# GNU lsh.
services.openssh.enable = false;
services.lshd.enable = true;
programs.ssh.startAgent = false;
services.xserver.startGnuPGAgent = true;
# TODO: GNU dico.
# TODO: GNU Inetutils' inetd.
# TODO: GNU Pies.
};
}