53 lines
1.1 KiB
Nix
53 lines
1.1 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
with lib;
|
|
|
|
let
|
|
cfg = config.system.nixos;
|
|
in
|
|
|
|
{
|
|
|
|
options.system = {
|
|
|
|
nixos.label = mkOption {
|
|
type = types.str;
|
|
description = ''
|
|
NixOS version name to be used in the names of generated
|
|
outputs and boot labels.
|
|
|
|
If you ever wanted to influence the labels in your GRUB menu,
|
|
this is the option for you.
|
|
'';
|
|
};
|
|
|
|
nixos.tags = mkOption {
|
|
type = types.listOf types.str;
|
|
default = [];
|
|
example = [ "with-xen" ];
|
|
description = ''
|
|
Strings to prefix to the default
|
|
<option>system.nixos.label</option>.
|
|
|
|
Useful for not loosing track of configurations built with
|
|
different options, e.g.:
|
|
|
|
<screen>
|
|
{
|
|
system.nixos.tags = [ "with-xen" ];
|
|
virtualisation.xen.enable = true;
|
|
}
|
|
</screen>
|
|
'';
|
|
};
|
|
|
|
};
|
|
|
|
config = {
|
|
# This is set here rather than up there so that changing it would
|
|
# not rebuild the manual
|
|
system.nixos.label = mkDefault (concatStringsSep "-" (sort (x: y: x < y) cfg.tags) + "-" + cfg.version);
|
|
};
|
|
|
|
}
|