From f7656bec17ed51389206f8044489d543971f419e Mon Sep 17 00:00:00 2001
From: Lord of Abyss <103809695+Abyss-lord@users.noreply.github.com>
Date: Thu, 26 Dec 2024 11:09:39 +0800
Subject: [PATCH] [#5930] improvement(CLI): improve unknown tag output. (#5978)

### What changes were proposed in this pull request?

Improve output when CLI add an unknown tags.

### Why are the changes needed?

Fix: #5930

### Does this PR introduce _any_ user-facing change?

NO

### How was this patch tested?

local test
---
 .../main/java/org/apache/gravitino/cli/commands/TagEntity.java  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clients/cli/src/main/java/org/apache/gravitino/cli/commands/TagEntity.java b/clients/cli/src/main/java/org/apache/gravitino/cli/commands/TagEntity.java
index 55bb4b7f436..d2d1cbbe18f 100644
--- a/clients/cli/src/main/java/org/apache/gravitino/cli/commands/TagEntity.java
+++ b/clients/cli/src/main/java/org/apache/gravitino/cli/commands/TagEntity.java
@@ -98,7 +98,7 @@ public void handle() {
       exitWithError(exp.getMessage());
     }
 
-    String all = String.join(",", tagsToAdd);
+    String all = tagsToAdd.length == 0 ? "nothing" : String.join(",", tagsToAdd);
 
     System.out.println(entity + " now tagged with " + all);
   }