Unsupported OS Dialog

ts/updater/linux.ts

@@ -0,0 +1,33 @@
+// Copyright 2023 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { version as osVersion } from 'os';
+
+import type { LoggerType } from '../types/Logging';
+
+const MIN_UBUNTU_VERSION = '16.04';
+
+export function getUbuntuVersion(): string | undefined {
+  if (process.platform !== 'linux') {
+    return undefined;
+  }
+
+  const match = osVersion().match(/^#\d+~([\d.]+)-Ubuntu\s/);
+  if (!match) {
+    return undefined;
+  }
+
+  return match[1];
+}
+
+export function isLinuxVersionSupported(logger?: LoggerType): boolean {
+  const ubuntu = getUbuntuVersion();
+  if (ubuntu !== undefined && ubuntu < MIN_UBUNTU_VERSION) {
+    logger?.warn(
+      `updater/isLinuxVersionSupported: unsupported Ubuntu version ${ubuntu}`
+    );
+    return false;
+  }
+
+  return true;
+}