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https://github.com/ItsDrike/nixdots
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39 lines
1.2 KiB
Nix
39 lines
1.2 KiB
Nix
{ pkgs, lib, config, ...}: let
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inherit (lib) mkIf;
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inherit (lib.modules) mkForce;
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inherit (lib.strings) makeBinPath;
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deviceType = config.myOptions.device.roles.type;
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acceptedTypes = ["laptop"];
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in {
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config = mkIf (builtins.elem deviceType acceptedTypes) {
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# allows changing system behavior based upon user-selected power profiles
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# (with `powerprofilesctl` command)
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services.power-profiles-daemon.enable = true;
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# Power state monitor. Switches power profiles based on charging state.
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# Plugged in - performance (if available, falls back to balance)
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# Unplugged - balanced, until below 50%, then power-saver
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systemd.services."power-monitor" = let
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dependencies = with pkgs; [
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coreutils
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gnugrep
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power-profiles-daemon
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inotify-tools
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jaq
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];
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in {
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description = "Power Monitoring Service";
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environment.PATH = mkForce "/run/wrappers/bin:${makeBinPath dependencies}";
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script = builtins.readFile ./power_monitor.sh;
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serviceConfig = {
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Type = "simple";
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Restart = "on-failure";
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};
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wants = ["power-profiles-daemon.service"];
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wantedBy = ["default.target"];
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};
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};
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}
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