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feat(system): add laptop power preset module

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New `nomarchy.system.laptop.{enable,thermald}` options. `enable`
defaults to `formFactor == "laptop"`, so the installer's existing
formFactor write auto-flips the preset on without installer changes.

The module wires TLP (governors + 75/80 charge thresholds),
force-disables power-profiles-daemon (mutually exclusive with TLP),
enables upower and thermald (x86_64), adds the brightnessctl udev
rule so the existing brightness scripts work without root, and sets
a logind lid-switch policy that resolves to suspend-then-hibernate
when `hibernation.enable` is on, plain suspend otherwise.

Closes the "Form-factor → laptop preset auto-enable" Now item and
the "Laptop preset module" Next item from docs/ROADMAP.md in one
change.
This commit is contained in:
Bernardo Magri
2026-04-26 08:31:19 +01:00
parent 7086a6f29c
commit 034da701a3
5 changed files with 82 additions and 5 deletions
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28
core/system/options.nix
View File

@@ -1,4 +1,4 @@
{ lib, ... }:
{ config, lib, pkgs, ... }:
{
options.nomarchy.system = {
@@ -82,6 +82,32 @@
};
};
laptop = {
enable = lib.mkOption {
type = lib.types.bool;
default = config.nomarchy.system.formFactor == "laptop";
defaultText = lib.literalExpression ''config.nomarchy.system.formFactor == "laptop"'';
description = ''
Laptop power preset: TLP (with sane AC/battery governors),
`services.upower`, `services.thermald` (x86_64), a brightnessctl
udev rule, and a logind lid-switch policy. Force-disables
`services.power-profiles-daemon` (mutually exclusive with TLP).
Lid-close defers to `nomarchy.system.hibernation.enable`:
suspend-then-hibernate when on, suspend otherwise. Defaults on
when `formFactor = "laptop"`.
'';
};
thermald = lib.mkOption {
type = lib.types.bool;
default = pkgs.stdenv.hostPlatform.isx86_64;
defaultText = lib.literalExpression "pkgs.stdenv.hostPlatform.isx86_64";
description = ''
Enable `services.thermald` (Intel thermal daemon). Default true on
x86_64. Harmless no-op on AMD; gated off on aarch64.
'';
};
};
containers = {
enable = lib.mkEnableOption ''
Rootless Podman with Docker compatibility (`docker` → `podman`),