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|
{ config, lib, pkgs, ... }:
with lib;
let
acpiConfDir = pkgs.runCommand "acpi-events" {}
''
mkdir -p $out
${
# Generate a configuration file for each event. (You can't have
# multiple events in one config file...)
let f = event:
''
fn=$out/${event.name}
echo "event=${event.event}" > $fn
echo "action=${pkgs.writeScript "${event.name}.sh" event.action}" >> $fn
'';
in lib.concatMapStrings f events
}
'';
events = [powerEvent lidEvent acEvent muteEvent volumeDownEvent volumeUpEvent cdPlayEvent cdNextEvent cdPrevEvent];
# Called when the power button is pressed.
powerEvent =
{ name = "power-button";
event = "button/power.*";
action =
''
#! ${pkgs.bash}/bin/sh
${config.services.acpid.powerEventCommands}
'';
};
# Called when the laptop lid is opened/closed.
lidEvent =
{ name = "lid";
event = "button/lid.*";
action =
''
#! ${pkgs.bash}/bin/sh
${config.services.acpid.lidEventCommands}
'';
};
# Called when the AC power is connected or disconnected.
acEvent =
{ name = "ac-power";
event = "ac_adapter.*";
action =
''
#! ${pkgs.bash}/bin/sh
${config.services.acpid.acEventCommands}
'';
};
muteEvent = {
name = "mute";
event = "button/mute.*";
action = ''
#! ${pkgs.bash}/bin/sh
${config.services.acpid.muteCommands}
'';
};
volumeDownEvent = {
name = "volume-down";
event = "button/volumedown.*";
action = ''
#! ${pkgs.bash}/bin/sh
${config.services.acpid.volumeDownEventCommands}
'';
};
volumeUpEvent = {
name = "volume-up";
event = "button/volumeup.*";
action = ''
#! ${pkgs.bash}/bin/sh
${config.services.acpid.volumeUpEventCommands}
'';
};
cdPlayEvent = {
name = "cd-play";
event = "cd/play.*";
action = ''
#! ${pkgs.bash}/bin/sh
${config.services.acpid.cdPlayEventCommands}
'';
};
cdNextEvent = {
name = "cd-next";
event = "cd/next.*";
action = ''
#! ${pkgs.bash}/bin/sh
${config.services.acpid.cdNextEventCommands}
'';
};
cdPrevEvent = {
name = "cd-prev";
event = "cd/prev.*";
action = ''
#! ${pkgs.bash}/bin/sh
${config.services.acpid.cdPrevEventCommands}
'';
};
in
{
###### interface
options = {
services.acpid = {
enable = mkOption {
type = types.bool;
default = false;
description = "Whether to enable the ACPI daemon.";
};
powerEventCommands = mkOption {
type = types.lines;
default = "";
description = "Shell commands to execute on a button/power.* event.";
};
lidEventCommands = mkOption {
type = types.lines;
default = "";
description = "Shell commands to execute on a button/lid.* event.";
};
acEventCommands = mkOption {
type = types.lines;
default = "";
description = "Shell commands to execute on an ac_adapter.* event.";
};
muteCommands = mkOption {
type = types.lines;
default = "";
description = "Shell commands to execute on an button/mute.* event.";
};
volumeDownEventCommands = mkOption {
type = types.lines;
default = "";
description = "Shell commands to execute on an button/volumedown.* event.";
};
volumeUpEventCommands = mkOption {
type = types.lines;
default = "";
description = "Shell commands to execute on an button/volumeup.* event.";
};
cdPlayEventCommands = mkOption {
type = types.lines;
default = "";
description = "Shell commands to execute on an cd/play.* event.";
};
cdNextEventCommands = mkOption {
type = types.lines;
default = "";
description = "Shell commands to execute on an cd/next.* event.";
};
cdPrevEventCommands = mkOption {
type = types.lines;
default = "";
description = "Shell commands to execute on an cd/prev.* event.";
};
};
};
###### implementation
config = mkIf config.services.acpid.enable {
systemd.services.acpid = {
description = "ACPI Daemon";
wantedBy = [ "multi-user.target" ];
after = [ "systemd-udev-settle.service" ];
path = [ pkgs.acpid ];
serviceConfig = {
Type = "forking";
};
unitConfig = {
ConditionVirtualization = "!systemd-nspawn";
ConditionPathExists = [ "/proc/acpi" ];
};
script = "acpid --confdir ${acpiConfDir}";
};
};
}
|