nixpkgs/nixos/modules/system/boot/loader/generic-extlinux-compatible/default.nix
2019-05-31 23:27:49 +02:00

45 lines
1.2 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
blCfg = config.boot.loader;
cfg = blCfg.generic-extlinux-compatible;
timeoutStr = if blCfg.timeout == null then "-1" else toString blCfg.timeout;
builder = import ./extlinux-conf-builder.nix { inherit pkgs; };
in
{
options = {
boot.loader.generic-extlinux-compatible = {
enable = mkOption {
default = false;
type = types.bool;
description = ''
Whether to generate an extlinux-compatible configuration file
under <literal>/boot/extlinux.conf</literal>. For instance,
U-Boot's generic distro boot support uses this file format.
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>
for more information.
'';
};
configurationLimit = mkOption {
default = 20;
example = 10;
type = types.int;
description = ''
Maximum number of configurations in the boot menu.
'';
};
};
};
config = mkIf cfg.enable {
system.build.installBootLoader = "${builder} -g ${toString cfg.configurationLimit} -t ${timeoutStr} -c";
system.boot.loader.id = "generic-extlinux-compatible";
};
}