51 lines
1.0 KiB
Nix
51 lines
1.0 KiB
Nix
{ config, pkgs, ... }:
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let
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batteryNotify = pkgs.writeShellScript "battery-notify" ''
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BAT="/sys/class/power_supply/BAT1"
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LEVEL=$(cat "$BAT/capacity")
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STATUS=$(cat "$BAT/status")
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if [ "$STATUS" = "Discharging" ] && [ "$LEVEL" -lt 20 ]; then
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${pkgs.dunst}/bin/dunstify \
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-r 9991 \
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-t 0 \
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-u critical \
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"Battery Low" \
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"Battery is at ''${LEVEL}%"
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else
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${pkgs.dunst}/bin/dunstify \
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-C 9991 2>/dev/null || true
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fi
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'';
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in
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{
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systemd.user.services.battery-notify = {
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Unit = {
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Description = "Low battery notification";
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After = [ "dunst.service" ];
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Requires = [ "dunst.service" ];
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};
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Service = {
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Type = "oneshot";
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ExecStart = batteryNotify;
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};
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};
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systemd.user.timers.battery-notify = {
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Unit = {
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Description = "Check battery level every 20 seconds";
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};
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Timer = {
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OnBootSec = "20s";
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OnUnitActiveSec = "20s";
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};
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Install = {
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WantedBy = [ "timers.target" ];
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};
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};
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}
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