From f6b545d46dcbbaf241d436090c36fb6df078ed0b Mon Sep 17 00:00:00 2001
From: bivashy <me@bivashy.dev>
Date: Thu, 8 Jan 2026 18:56:55 +0500
Subject: [PATCH] Fix `stdout`

---
 .../bivashy/backend/composer/service/YoutubeTrackService.java  | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/bivashy/backend/composer/service/YoutubeTrackService.java b/src/main/java/com/bivashy/backend/composer/service/YoutubeTrackService.java
index a6ae2e4..a4a6637 100644
--- a/src/main/java/com/bivashy/backend/composer/service/YoutubeTrackService.java
+++ b/src/main/java/com/bivashy/backend/composer/service/YoutubeTrackService.java
@@ -149,7 +149,8 @@ public class YoutubeTrackService {
             }, stdoutLine -> {
                 redisProgressService.<PlaylistProgress>updateTrackProgressField(playlistId, trackSource.getId(), userId,
                         progress -> {
-                            progress.setYtdlnStdout(String.join("\n", progress.getYtdlnStdout(), stdoutLine));
+                            String previousStdout = progress.getYtdlnStdout() == null ? "" : progress.getYtdlnStdout();
+                            progress.setYtdlnStdout(previousStdout + stdoutLine);
                         });
             }, null);
             redisProgressService.<PlaylistProgress>updateTrackProgressField(playlistId, trackSource.getId(), userId,