Merge pull request #2964 from iclanton/ianc/fix-error-message

[rush] Fix an error message.

Author: iclanton

apps/rush-lib/src/logic/buildCache/AmazonS3/AmazonS3BuildCacheProvider.ts

@@ -141,7 +141,9 @@ export class AmazonS3BuildCacheProvider extends CloudBuildCacheProviderBase {
   public async updateCachedCredentialInteractiveAsync(terminal: ITerminal): Promise<void> {
     throw new Error(
       'The interactive cloud credentials flow is not supported for Amazon S3.\n' +
-        'Install and authenticate with aws-cli, or provide your credentials to rush using the --credential flag instead.'
+        'Provide your credentials to rush using the --credential flag instead. Credentials must be ' +
+        'in the form of <ACCESS KEY ID>:<SECRET ACCESS KEY> or ' +
+        '<ACCESS KEY ID>:<SECRET ACCESS KEY>:<SESSION TOKEN>.'
     );
   }
 

common/changes/@microsoft/rush/main_2021-10-12-22-59.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@microsoft/rush",
+      "comment": "Fix the error message printed when `--interactive` is passed to `rush update-cloud-credentials` and the cloud cache provider is Amazon S3.",
+      "type": "none"
+    }
+  ],
+  "packageName": "@microsoft/rush"
+}