pyrox.dev
1{ config, lib, pkgs, ... }:
2
3with lib;
4
5let
6 blCfg = config.boot.loader;
7 cfg = blCfg.generic-extlinux-compatible;
8
9 timeoutStr = if blCfg.timeout == null then "-1" else toString blCfg.timeout;
10
11 builder = import ./extlinux-conf-builder.nix { inherit pkgs; };
12in
13{
14 options = {
15 boot.loader.generic-extlinux-compatible = {
16 enable = mkOption {
17 default = false;
18 type = types.bool;
19 description = ''
20 Whether to generate an extlinux-compatible configuration file
21 under <literal>/boot/extlinux.conf</literal>. For instance,
22 U-Boot's generic distro boot support uses this file format.
23
24 See <link xlink:href="http://git.denx.de/?p=u-boot.git;a=blob;f=doc/README.distro;hb=refs/heads/master">U-boot's documentation</link>
25 for more information.
26 '';
27 };
28
29 configurationLimit = mkOption {
30 default = 20;
31 example = 10;
32 type = types.int;
33 description = ''
34 Maximum number of configurations in the boot menu.
35 '';
36 };
37 };
38 };
39
40 config = mkIf cfg.enable {
41 system.build.installBootLoader = "${builder} -g ${toString cfg.configurationLimit} -t ${timeoutStr} -c";
42 system.boot.loader.id = "generic-extlinux-compatible";
43 };
44}