From d6d5703e39815e95363485aeb5c36de37f2ef328 Mon Sep 17 00:00:00 2001
From: Jobobby04 <jobobby04@users.noreply.github.com>
Date: Sat, 12 Aug 2023 12:08:59 -0400
Subject: [PATCH] Stop merging onto itself

---
 .../main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt
index 44cf40abc..9fdbed325 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaScreenModel.kt
@@ -544,6 +544,9 @@ class MangaInfoScreenModel(
 
             return originalManga
         } else {
+            if (manga.id == originalMangaId) {
+                throw IllegalArgumentException(context.getString(R.string.merged_already))
+            }
             var mergedManga = Manga.create()
                 .copy(
                     url = originalManga.url,