forked from mirrors/nixpkgs
101 lines
2.4 KiB
Nix
101 lines
2.4 KiB
Nix
let
|
|
|
|
mkOption = attrs: attrs // {_type = "option";};
|
|
|
|
typeOf = x: if x ? _type then x._type else "";
|
|
|
|
|
|
combine = defs: opts: opts //
|
|
builtins.listToAttrs (map (defName:
|
|
{ name = defName;
|
|
value =
|
|
let
|
|
defValue = builtins.getAttr defName defs;
|
|
optValue = builtins.getAttr defName opts;
|
|
in
|
|
if typeOf defValue == "option"
|
|
then
|
|
# `defValue' is an option.
|
|
if builtins.hasAttr defName opts
|
|
then builtins.getAttr defName opts
|
|
else defValue.default
|
|
else
|
|
# `defValue' is an attribute set containing options.
|
|
# So recurse.
|
|
if builtins.hasAttr defName opts && builtins.isAttrs optValue
|
|
then combine defValue optValue
|
|
else combine defValue {};
|
|
}
|
|
) (builtins.attrNames defs));
|
|
|
|
|
|
testDefs = {
|
|
|
|
time = {
|
|
timeZone = mkOption {
|
|
default = "CET";
|
|
example = "America/New_York";
|
|
description = "The time zone used when displaying times and dates.";
|
|
};
|
|
};
|
|
|
|
boot = {
|
|
kernelModules = mkOption {
|
|
default = ["mod1"];
|
|
description = "
|
|
The set of kernel modules to be loaded in the second stage of
|
|
the boot process. That is, these modules are not included in
|
|
the initial ramdisk, so they'd better not be required for
|
|
mounting the root file system. Add them to
|
|
<option>boot.initrd.extraKernelModules</option> if they are.
|
|
";
|
|
};
|
|
|
|
initrd = {
|
|
|
|
kernelModules = mkOption {
|
|
default = [
|
|
"ahci"
|
|
"ata_piix"
|
|
"pata_marvell"
|
|
"sd_mod"
|
|
"sr_mod"
|
|
"ide-cd"
|
|
"ide-disk"
|
|
"ide-generic"
|
|
"ext3"
|
|
# Support USB keyboards, in case the boot fails and we only have
|
|
# a USB keyboard.
|
|
"ehci_hcd"
|
|
"ohci_hcd"
|
|
"usbhid"
|
|
];
|
|
description = "
|
|
The set of kernel modules in the initial ramdisk used during the
|
|
boot process.
|
|
";
|
|
};
|
|
|
|
};
|
|
|
|
};
|
|
|
|
};
|
|
|
|
|
|
testOpts = {
|
|
/*
|
|
time = {
|
|
timeZone = "UTC";
|
|
};
|
|
*/
|
|
boot = {
|
|
initrd = {
|
|
kernelModules = ["foo"];
|
|
extraKernelModules = ["bar"];
|
|
};
|
|
};
|
|
};
|
|
|
|
in (combine testDefs testOpts).boot.initrd.kernelModules
|