nixos-config/machines/smithers/batterylight.nix

32 lines
901 B
Nix

{ pkgs, ... }:
{
systemd.timers."batterylight" = {
wantedBy = [ "timers.target" ];
timerConfig = {
OnBootSec = "5m";
OnUnitActiveSec = "5m";
Unit = "batterylight.service";
};
};
systemd.services."batterylight" = {
script = ''
STATUS=`cat /sys/bus/acpi/drivers/battery/PNP0C0A:00/power_supply/BAT1/status`
PERCENT=`cat /sys/bus/acpi/drivers/battery/PNP0C0A:00/power_supply/BAT1/capacity`
if [[ $STATUS == "Discharging" && $PERCENT -lt 10 ]]; then
for i in `seq 0 3`; do
${pkgs.framework-tool}/bin/framework_tool --kblight 0
sleep 0.2
${pkgs.framework-tool}/bin/framework_tool --kblight 100
sleep 0.2
${pkgs.framework-tool}/bin/framework_tool --kblight 0
sleep 0.2
done
fi
'';
serviceConfig = {
Type = "oneshot";
User = "root";
};
};
}