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# This module adds a scripted iPXE entry to the GRUB boot menu.
{ config, lib, pkgs, ... }:
with lib;
let
scripts = builtins.attrNames config.boot.loader.grub.ipxe;
grubEntry = name:
''
menuentry "iPXE - ${name}" {
linux16 @bootRoot@/ipxe.lkrn
initrd16 @bootRoot@/${name}.ipxe
}
'';
scriptFile = name:
let
value = builtins.getAttr name config.boot.loader.grub.ipxe;
in
if builtins.typeOf value == "path" then value
else builtins.toFile "${name}.ipxe" value;
in
{
options =
{ boot.loader.grub.ipxe = mkOption {
type = types.attrsOf (types.either types.path types.str);
description =
''
Set of iPXE scripts available for
booting from the GRUB boot menu.
'';
default = { };
example = literalExpression ''
{ demo = '''
#!ipxe
dhcp
chain http://boot.ipxe.org/demo/boot.php
''';
}
'';
};
};
config = mkIf (builtins.length scripts != 0) {
boot.loader.grub.extraEntries =
if config.boot.loader.grub.version == 2 then
toString (map grubEntry scripts)
else
throw "iPXE is not supported with GRUB 1.";
boot.loader.grub.extraFiles =
{ "ipxe.lkrn" = "${pkgs.ipxe}/ipxe.lkrn"; }
//
builtins.listToAttrs ( map
(name: { name = name+".ipxe"; value = scriptFile name; })
scripts
);
};
}
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