nixpkgs/modules/services/hardware/upower.nix
Eelco Dolstra 4d983d4955 Rename ‘system.build.systemd’ to ‘systemd.package’
This makes it cheaper to test a new systemd and is more consistent
with other modules.
2013-01-16 13:17:57 +01:00

65 lines
1.3 KiB
Nix

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