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79 lines
1.6 KiB
Nix
79 lines
1.6 KiB
Nix
# Upower daemon.
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.upower;
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in
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{
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###### interface
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options = {
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services.upower = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to enable Upower, a DBus service that provides power
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management support to applications.
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'';
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};
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package = mkOption {
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type = types.package;
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default = pkgs.upower;
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defaultText = "pkgs.upower";
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example = lib.literalExample "pkgs.upower";
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description = ''
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Which upower package to use.
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'';
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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environment.systemPackages = [ cfg.package ];
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services.dbus.packages = [ cfg.package ];
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services.udev.packages = [ cfg.package ];
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systemd.services.upower =
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{ description = "Power Management Daemon";
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path = [ pkgs.glib.out ]; # needed for gdbus
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serviceConfig =
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{ Type = "dbus";
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BusName = "org.freedesktop.UPower";
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ExecStart = "@${cfg.package}/libexec/upowerd upowerd";
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};
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};
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system.activationScripts.upower =
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''
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mkdir -m 0755 -p /var/lib/upower
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'';
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# The upower daemon seems to get stuck after doing a suspend
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# (i.e. subsequent suspend requests will say "Sleep has already
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# been requested and is pending"). So as a workaround, restart
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# the daemon.
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powerManagement.resumeCommands =
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''
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${config.systemd.package}/bin/systemctl try-restart upower
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'';
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};
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}
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