41 lines
908 B
Nix
41 lines
908 B
Nix
{ config, pkgs, ... }:
|
|
|
|
let
|
|
batteryNotify = pkgs.writeShellScript "battery-notify" ''
|
|
BAT="/sys/class/power_supply/BAT1"
|
|
LEVEL=$(cat "$BAT/capacity")
|
|
STATUS=$(cat "$BAT/status")
|
|
ID=9991
|
|
|
|
if [ "$STATUS" = "Discharging" ] && [ "$LEVEL" -lt 20 ]; then
|
|
${pkgs.dunst}/bin/dunstify \
|
|
-r "$ID" -t 0 \
|
|
-u critical \
|
|
"Battery Low" \
|
|
"Battery is at ''${LEVEL}%"
|
|
else
|
|
${pkgs.dunst}/bin/dunstify \
|
|
-C "$ID" 2>/dev/null || true
|
|
fi
|
|
'';
|
|
in
|
|
{
|
|
systemd.services.battery-notify = {
|
|
description = "Low battery notification";
|
|
serviceConfig = {
|
|
Type = "oneshot";
|
|
ExecStart = batteryNotify;
|
|
};
|
|
};
|
|
|
|
systemd.timers.battery-notify = {
|
|
description = "Check battery level every 20 seconds";
|
|
wantedBy = [ "timers.target" ];
|
|
|
|
timerConfig = {
|
|
OnBootSec = "20s";
|
|
OnUnitActiveSec = "20s";
|
|
};
|
|
};
|
|
}
|