Initial commit

home/low-battery-notify/default.nix

@@ -0,0 +1,47 @@
+{ config, lib, pkgs, ... }:
+{
+  options = {
+    custom.low-battery-notify.enable = lib.mkEnableOption "Enable low battery notification";
+  };
+  config = lib.mkIf config.custom.low-battery-notify.enable {
+    home.packages = with pkgs; [
+      python3
+    ];
+    systemd.user = {
+      services = {
+        low-battery-notify = {
+          Unit = {
+            Description = "Low battery notify";
+          };
+
+          Service = {
+            Type = "oneshot";
+            ExecStart = "/home/flygrounder/.local/share/scripts/low-battery-notify.py";
+          };
+        };
+      };
+      timers = {
+        low-battery-notify = {
+          Unit = {
+            Description = "test";
+          };
+
+          Timer = {
+            OnUnitActiveSec = "10m";
+            OnBootSec = "10m";
+          };
+
+          Install = {
+            WantedBy = [ "timers.target" ];
+          };
+        };
+      };
+    };
+    xdg.dataFile = {
+      low-battery-notify = {
+        source = ./script.py;
+        target = "scripts/low-battery-notify.py";
+      };
+    };
+  };
+}

home/low-battery-notify/script.py

@@ -0,0 +1,11 @@
+#!/usr/bin/env python3
+import subprocess
+import re
+
+output = subprocess.check_output(["acpi", "-b"]).decode()
+m = re.match(r'.*Discharging, (\d+)%', output)
+if m is None:
+    exit()
+charge = int(m.group(1))
+if charge <= 20:
+    subprocess.run(["dunstify", "-u", "critical", f"Низкий уровень заряда: {charge}%"])