Added the ability to restart AGS on monitor connect or awake from sleep. (#432)

* Added the ability to restart AGS on monitor connect or awake from sleep.

* Made nix check more robust

main.ts

@@ -5,11 +5,13 @@ import 'globals/systray';
 import 'globals/dropdown.js';
 import 'globals/utilities';
 
+const hyprland = await Service.import('hyprland');
 import { Bar } from 'modules/bar/Bar';
 import MenuWindows from './modules/menus/main.js';
 import SettingsDialog from 'widget/settings/SettingsDialog';
 import Notifications from './modules/notifications/index.js';
-import { forMonitors } from 'lib/utils';
+import { bash, forMonitors } from 'lib/utils';
+import options from 'options.js';
 import OSD from 'modules/osd/index';
 
 App.config({
@@ -21,3 +23,45 @@ App.config({
         bar0: 350,
     },
 });
+
+/**
+ * Function to determine if the current OS is NixOS by parsing /etc/os-release.
+ * @returns True if NixOS, false otherwise.
+ */
+const isNixOS = (): boolean => {
+    try {
+        const osRelease = Utils.exec('cat /etc/os-release').toString();
+        const idMatch = osRelease.match(/^ID\s*=\s*"?([^"\n]+)"?/m);
+
+        if (idMatch && idMatch[1].toLowerCase() === 'nixos') {
+            return true;
+        }
+
+        return false;
+    } catch (error) {
+        console.error('Error detecting OS:', error);
+        return false;
+    }
+};
+
+/**
+ * Function to generate the appropriate restart command based on the OS.
+ * @returns The modified or original restart command.
+ */
+const getRestartCommand = (): string => {
+    const isNix = isNixOS();
+    const command = options.hyprpanel.restartCommand.value;
+
+    if (isNix) {
+        return command.replace(/\bags\b/g, 'hyprpanel');
+    }
+
+    return command;
+};
+
+hyprland.connect('monitor-added', () => {
+    if (options.hyprpanel.restartAgs.value) {
+        const restartAgsCommand = getRestartCommand();
+        bash(restartAgsCommand);
+    }
+});