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superfreq/nix/module.nix
2025-05-16 12:50:19 +10:00

71 lines
1.9 KiB
Nix

inputs: {
config,
pkgs,
lib,
...
}: let
inherit (lib.modules) mkIf;
inherit (lib.options) mkOption mkEnableOption mkPackageOption;
inherit (lib.types) submodule;
inherit (lib.lists) optional;
inherit (lib.meta) getExe;
cfg = config.services.superfreq;
format = pkgs.formats.toml {};
cfgFile = format.generate "superfreq-config.toml" cfg.settings;
in {
options.services.superfreq = {
enable = mkEnableOption "Automatic CPU speed & power optimizer for Linux";
package = mkPackageOption inputs.self.packages.${pkgs.stdenv.system} "superfreq" {
pkgsText = "self.packages.\${pkgs.stdenv.system}";
};
settings = mkOption {
default = {};
type = submodule {freeformType = format.type;};
description = "Configuration for Superfreq.";
};
};
config = mkIf cfg.enable {
environment.systemPackages = [cfg.package];
systemd.services.superfreq = {
wantedBy = ["multi-user.target"];
conflicts = [
"auto-cpufreq.service"
"power-profiles-daemon.service"
"tlp.service"
"cpupower-gui.service"
"thermald.service"
];
serviceConfig = {
Environment = optional (cfg.settings != {}) ["SUPERFREQ_CONFIG=${cfgFile}"];
WorkingDirectory = "";
ExecStart = "${getExe cfg.package} daemon --verbose";
Restart = "on-failure";
RuntimeDirectory = "superfreq";
RuntimeDirectoryMode = "0755";
};
};
assertions = [
{
assertion = !config.services.power-profiles-daemon.enable;
message = ''
You have set services.power-profiles-daemon.enable = true;
which conflicts with Superfreq.
'';
}
{
assertion = !config.services.auto-cpufreq.enable;
message = ''
You have set services.auto-cpufreq.enable = true;
which conflicts with Superfreq.
'';
}
];
};
}