helm/profiles/desktop/battery-low-timer.nix

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2022-09-18 15:13:50 -07:00
{ pkgs, ... }:
{
systemd.services.battery-low = {
serviceConfig.Type = "simple";
path = [
pkgs.acpi
pkgs.gawk # I was too lazy to find out where awk lives, it's not coreutils, hopefully it works the same
pkgs.libnotify
];
startAt = "*08:00:00";
script = ''
#!/usr/bin/env bash
if [ `acpi -b | grep "Battery 0" | gawk ' { print ($3)}'` == "Discharging," ] ; then
# Discharging
# Monitor for low battery
rm /tmp/battery-full
if [ `acpi -b | grep "Battery 0" | gawk ' { print ($4)-0}'` -le "15" ] ; then
notify-send -u critical "Battery Low";
fi
else
# Charging
if [ `acpi -b | grep "Battery 0" | gawk ' { print ($4)-0}'` -ge "94" ] ; then
# Fully charged
if [[ -f /tmp/battery-full ]]; then
touch /tmp/battery-full;
notify-send "Battery Full"
fi
fi
fi
'';
serviceConfig = {
User = "anish";
Environment = "DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus";
};
};
systemd.timers.battery-low = {
wantedBy = [ "timers.target" ];
partOf = [ "battery-low.service" ];
timerConfig.OnCalendar = [ "*:0/5" ];
};
}