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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import updateNotifier from 'update-notifier';
import { readPackageUp } from 'read-package-up';
export async function checkForUpdates(): Promise<string | null> {
try {
// read-package-up looks for the closest package.json from cwd
const pkgResult = await readPackageUp({ cwd: __dirname });
if (!pkgResult) {
return null;
}
const { packageJson } = pkgResult;
const notifier = updateNotifier({
pkg: {
name: packageJson.name,
version: packageJson.version,
},
// check every time
updateCheckInterval: 0,
// allow notifier to run in scripts
shouldNotifyInNpmScript: true,
});
if (notifier.update) {
return `Gemini CLI update available! ${notifier.update.current} → ${notifier.update.latest}\nRun npm install -g ${packageJson.name} to update`;
}
return null;
} catch (e) {
console.warn('Failed to check for updates: ' + e);
return null;
}
}
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