format rebuild message

Author: rongxin-liu

update50.sh

@@ -29,13 +29,14 @@ if [ "$1" == "-t" ]; then
 
         # Use gh cli to rebuild if available
         gh cs rebuild --repo $GITHUB_REPOSITORY --full
-        echo "Your codespace is now being rebuilt, please keep the browser window open and wait for it to reload.\nDo not perform any actions until the rebuild is complete."
+        echo -e "\033[31mYour codespace is now being rebuilt, please keep the browser window open and wait for it to reload.\nDo not perform any actions until the rebuild is complete.\033[0m"
     else
-    
+
         # Fall back to command50
         command50 github.codespaces.rebuildEnvironment
     fi
 
+
     exit 0
 fi
 
@@ -73,7 +74,7 @@ if [ "$remote" != "$local" ] || [ "$tag" != "$issue" ] || [ "$1" == "-f" ] || [
 
         # Use gh cli to rebuild if available
         gh cs rebuild --repo $GITHUB_REPOSITORY --full
-        echo "Your codespace is now being rebuilt, please keep the browser window open and wait for it to reload.\nDo not perform any actions until the rebuild is complete."
+        echo -e "\033[31mYour codespace is now being rebuilt, please keep the browser window open and wait for it to reload.\nDo not perform any actions until the rebuild is complete.\033[0m"
     else
 
         # Fall back to command50