feat(cli): add flag to disable update notifications (#1740)

.changeset/little-badgers-occur.md

@@ -0,0 +1,5 @@
+---
+"@redocly/cli": patch
+---
+
+Added the `REDOCLY_SUPPRESS_UPDATE_NOTICE` environment variable so that users can skip version updates.

README.md

@@ -97,6 +97,10 @@ If your OpenAPI description isn't everything you hoped it would be, enhance it w
 
 This tool [collects data](./docs/usage-data.md) to help Redocly improve our products and services. You can opt out by setting the `REDOCLY_TELEMETRY` environment variable to `off`.
 
+## Update notifications
+
+Redocly CLI checks for updates on startup. You can disable this by setting the `REDOCLY_SUPPRESS_UPDATE_NOTICE` environment variable to `true`.
+
 ## More resources
 
 [Read the detailed docs](https://redocly.com/docs/cli/).

packages/cli/src/utils/update-version-notifier.ts

@@ -13,7 +13,10 @@ const SPACE_TO_BORDER = 4;
 
 const INTERVAL_TO_CHECK = 1000 * 60 * 60 * 12;
 const SHOULD_NOT_NOTIFY =
-  process.env.NODE_ENV === 'test' || process.env.CI || !!process.env.LAMBDA_TASK_ROOT;
+  process.env.NODE_ENV === 'test' ||
+  process.env.CI ||
+  !!process.env.LAMBDA_TASK_ROOT ||
+  process.env.REDOCLY_SUPPRESS_UPDATE_NOTICE === 'true';
 
 export const notifyUpdateCliVersion = () => {
   if (SHOULD_NOT_NOTIFY) {