From 5e091ec4f1903bfb9bfa735049b56888aa84c0d1 Mon Sep 17 00:00:00 2001
From: schroda <50052685+schroda@users.noreply.github.com>
Date: Sun, 21 Apr 2024 04:13:06 +0200
Subject: [PATCH] Prevent IndexOutOfBoundsException when removing duplicated
 chapters

In case the "new" chapters consisted only of re-uploads an out of bound exception was thrown
---
 server/src/main/kotlin/suwayomi/tachidesk/manga/impl/Chapter.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/Chapter.kt b/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/Chapter.kt
index 22e75f3190..2e89606233 100644
--- a/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/Chapter.kt
+++ b/server/src/main/kotlin/suwayomi/tachidesk/manga/impl/Chapter.kt
@@ -370,7 +370,7 @@ object Chapter {
         val actualNewChapters = newChapters.subtract(reUploadedChapters.toSet()).toList()
         val chaptersToConsiderForDownloadLimit =
             if (serverConfig.autoDownloadIgnoreReUploads.value) {
-                actualNewChapters.removeDuplicates(actualNewChapters[0])
+                if (actualNewChapters.isNotEmpty()) actualNewChapters.removeDuplicates(actualNewChapters[0]) else emptyList()
             } else {
                 newChapters.removeDuplicates(newChapters[0])
             }.sortedBy { it.index }