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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.grub2;
payloadName = if cfg.asSecondaryPayload then
"img/grub2"
else
"fallback/payload";
configText = (readFile ./files/grub.cfg) +
cfg.extraConfig +
(optionalString (cfg.scanDevices) (readFile ./files/grub-scan.cfg)) +
(optionalString (cfg.users != {}) (
(concatStringsSep "\n" (mapAttrsToList (n: u: ''
${if u.passwordIsHashed then "password_pbkdf2" else "password"} ${n} ${u.password}
'') cfg.users)) + ''
set superusers="${concatStringsSep " " (attrNames (filterAttrs (n: u: u.superuser) cfg.users))}"
export superusers
''
)) +
(optionalString cfg.generateSecondaryPayloadEntries (
concatMapStrings (n: ''
menuentry '${removePrefix "img/" n}' {
chainloader (cbfsdisk)/${n}
}
'') (filter (hasPrefix "img/") (attrNames config.corenix.extraFiles))
));
userOpts = { ... }: {
options = {
superuser = mkOption {
type = types.bool;
default = true;
};
password = mkOption {
type = types.str;
};
passwordIsHashed = mkOption {
type = types.bool;
default = true;
};
};
};
in {
options.grub2 = {
enable = mkEnableOption "grub2 coreboot primary payload";
asSecondaryPayload = mkOption {
type = types.bool;
default = false;
};
generateSecondaryPayloadEntries = mkOption {
type = types.bool;
default = true;
};
scanDevices = mkOption {
type = types.bool;
default = true;
description = ''
Scan internal and external storage devices for GRUB2/syslinux/isolinux/NetBSD
configs and at runtime and create boot entries for each of them.
'';
};
extraConfig = mkOption {
type = types.lines;
default = "";
};
configFile = mkOption {
type = types.path;
};
users = mkOption {
type = types.attrsOf (types.submodule userOpts);
default = {};
};
font = mkOption {
type = types.path;
default = "${pkgs.unifont}/share/fonts/truetype/unifont.ttf";
example = "${pkgs.dejavu_fonts}/share/fonts/truetype/DejaVuSansMono.ttf";
};
};
config = mkIf cfg.enable {
grub2.configFile = pkgs.writeText "grub.cfg" configText;
corenix.extraFiles = {
${payloadName} = {
type = "payload";
src = "${pkgs.coreboot-payload-grub2}/default_payload.elf";
};
"font.pf2".src = (
pkgs.runCommand "font.pf2" {
buildInputs = with pkgs; [ grub2 ];
} "grub-mkfont --range=0x20-0x7E,0x2501-0x251F,0x2191-0x2193 --size=14 -o $out ${cfg.font}"
);
"etc/grub.cfg".src = cfg.configFile;
"background.png".src = ./files/background.png;
};
};
}
|
