nixpkgs/modules/config/power-management.nix
Eelco Dolstra 1affc9168e * Move power management configuration into a separate module from
the acpid service.
* Add a pm-utils hook to allow commands to be executed when the system
  suspends/resumes etc.

svn path=/nixos/branches/upstart-0.6/; revision=18353
2009-11-15 12:48:42 +00:00

64 lines
1.1 KiB
Nix

{ config, pkgs, ... }:
with pkgs.lib;
let
cfg = config.powerManagement;
sleepHook = pkgs.writeScript "sleep-hook.sh"
''
#! ${pkgs.stdenv.shell}
action="$1"
if [ "$action" = "resume" ]; then
${cfg.resumeCommands}
fi
'';
in
{
###### interface
options = {
powerManagement = {
enable = mkOption {
default = false;
description =
''
Whether to enable power management. This includes support
for suspend-to-RAM and powersave features on laptops.
'';
};
resumeCommands = mkOption {
default = "";
description = "Commands executed after the system resumes from suspend-to-RAM.";
};
};
};
###### implementation
config = mkIf cfg.enable {
# Enable the ACPI daemon. Not sure whether this is essential.
services.acpid.enable = true;
environment.systemPackages = [ pkgs.pmutils ];
environment.etc = singleton
{ source = sleepHook;
target = "pm/sleep.d/00sleep-hook";
};
};
}