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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.battery-alert;
bat = pkgs.writeScriptBin "bat"
''
'';
in
{
options.services.battery-alert = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
If enabled, NixOS will periodically check battery levels and report
if it is below a threshold value.
'';
};
};
config = {
systemd.user.timers.battery-alert = mkIf cfg.enable {
description = "Periodically check battery status and alert if required";
timerConfig.OnBootSec = "1m";
timerConfig.OnUnitInactiveSec = "1m";
timerConfig.Unit = "battery-alert.service";
wantedBy = [ "timers.target" ];
};
systemd.user.services.battery-alert = {
description = "Check battery levels";
path = [ pkgs.libnotify pkgs.coreutils ];
serviceConfig = {
PassEnvironment = "DISPLAY XAUTHORITY";
};
script = ''
bat_status=$( ${pkgs.coreutils}/bin/cat /sys/class/power_supply/BAT0/capacity )
charging_status=$( ${pkgs.coreutils}/bin/cat /sys/class/power_supply/BAT0/status )
# if [[ $bat_status -ge 10 ]]; then
${pkgs.libnotify}/bin/notify-send "Battery low: $bat_status%" "$charging_status"
# fi
'';
};
};
}
|