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merge-modules accepts >1 module

This commit is contained in:
Daniel Barlow 2022-09-25 11:22:15 +01:00
parent 887a4ff966
commit c6e56b1637
5 changed files with 32 additions and 20 deletions

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@ -4,15 +4,10 @@
let
overlay = import ./overlay.nix;
nixpkgs = import <nixpkgs> ( device.system // {overlays = [overlay]; });
baseConfig = {
systemPackages = [];
services = {};
kernel = device.kernel;
};
config = baseConfig // (import <liminix-config>) {
config = baseConfig;
inherit (nixpkgs) pkgs;
};
config = (import ./merge-modules.nix) [
(import ./modules/base.nix { inherit device; })
<liminix-config>
] nixpkgs.pkgs;
finalConfig = config // {
packages = (with nixpkgs.pkgs; [ s6-rc ]) ++
config.systemPackages ++

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@ -1,8 +1,8 @@
module : initial : pkgs :
modules : pkgs :
let evalModules = (import <nixpkgs/lib>).evalModules;
in evalModules {
modules = [
{ _module.args = { inherit pkgs; }; }
module
];
}
in (evalModules {
modules =
[
{ _module.args = { inherit pkgs; lib = pkgs.lib; }; }
] ++ modules;
}).config

17
modules/base.nix Normal file
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@ -0,0 +1,17 @@
{ device } :
{ lib, ...}:
let inherit (lib) mkEnableOption mkOption types;
in {
options = {
systemPackages = mkOption {
type = types.listOf types.package;
};
services = mkOption {
type = types.anything;
};
kernel = mkOption {
type = types.anything;
default = { inherit (device.kernel) config checkedConfig; };
};
};
}

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@ -5,11 +5,11 @@ let
inherit (nixpkgs) lib pkgs;
inherit (lib.asserts) assertMsg;
config =
(import <liminix/merge-modules.nix>) ./configuration.nix {} pkgs;
(import <liminix/merge-modules.nix>) [./configuration.nix] pkgs;
res1 = assertMsg
# check we have packages from both modules
(config.config.systemPackages == ( with pkgs; [ units hello ])) "failed";
res2 = let s = config.config.services;
(config.systemPackages == ( with pkgs; [ units hello ])) "failed";
res2 = let s = config.services;
in assertMsg (s.a.enable && s.b.enable && (s.z != null) ) "failed";
in pkgs.writeText "foo" ''
${if res1 then "OK" else "not OK"}

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@ -1,4 +1,4 @@
{ config, pkgs } :
{ config, pkgs, ... } :
let
inherit (pkgs.liminix.networking) interface address udhcpc odhcpc;
inherit (pkgs.liminix.services) oneshot longrun bundle target output;