feat: Add DISABLE_AUTO_UPDATES env variable for disabling updates in the application entirely (#1446)

src/main/index.ts

@@ -30,6 +30,7 @@ import MenuBuilder from './menu';
 import {
     autoUpdaterLogInterface,
     createLog,
+    disableAutoUpdates,
     hotkeyToElectronAccelerator,
     isLinux,
     isMacOS,
@@ -456,7 +457,7 @@ async function createWindow(first = true): Promise<void> {
         return { action: 'deny' };
     });
 
-    if (store.get('disable_auto_updates') !== true) {
+    if (!disableAutoUpdates() && store.get('disable_auto_updates') !== true) {
         new AppUpdater();
     }
 

src/main/utils.ts

@@ -18,6 +18,10 @@ if (process.env.NODE_ENV === 'development') {
     };
 }
 
+export const disableAutoUpdates = () => {
+    return process.env['DISABLE_AUTO_UPDATES'];
+};
+
 export const isMacOS = () => {
     return process.platform === 'darwin';
 };