Revert "get rid of update-notifier completely"

This reverts commit 05a5db9.

package.json

@@ -50,6 +50,7 @@
     "tar": "4.4.8",
     "tmp": "0.1.0",
     "unzipper": "0.9.7",
+    "update-notifier": "^5.1.0",
     "yargs": "15.1.0"
   },
   "devDependencies": {

src/index.ts

@@ -7,7 +7,7 @@ import { readEnvironmentConfig } from './utils/env';
 import { isDryRun } from './utils/helpers';
 import { hasNoInput, setNoInput } from './utils/noInput';
 import { initSentrySdk } from './utils/sentry';
-import { getPackageVersion } from './utils/version';
+import { checkForUpdates, getPackageVersion } from './utils/version';
 
 // Commands
 import * as prepare from './commands/prepare';
@@ -59,6 +59,8 @@ function printVersion(): void {
  * Main entrypoint
  */
 function main(): void {
+  checkForUpdates();
+
   printVersion();
 
   readEnvironmentConfig();

src/utils/version.ts

@@ -1,3 +1,5 @@
+import updateNotifier from 'update-notifier';
+
 import { getGitTagPrefix } from '../config';
 
 /**
@@ -133,6 +135,27 @@ export function versionToTag(version: string, tagPrefix?: string): string {
   return `${prefix}${version}`;
 }
 
+/**
+ * Checks for latest updates of the "craft" package
+ */
+export function checkForUpdates(): void {
+  const pkg = getPackage();
+
+  // Notify if the new version is available
+  const notifier = updateNotifier({
+    pkg,
+    updateCheckInterval: 0, // Check immediately
+  });
+
+  if (!notifier.update || pkg.version === notifier.update.latest) {
+    return;
+  }
+
+  notifier.notify({
+    defer: false,
+  });
+}
+
 /**
  * Reads "package.json" from project root and returns its contents
  */