From ca7a149874e99a8f401cb30c430f58a48be4c642 Mon Sep 17 00:00:00 2001
From: Al <26797547+Al12rs@users.noreply.github.com>
Date: Mon, 4 May 2026 04:47:20 +0200
Subject: Improve mod update check accuracy (#2385)

* Index API response into lookup maps

* extract new findLatestActiveSuccessor method from update check function

* extract method to check if a file is active

* use new isActiveFileStatus in modInfoRegular

* fix bug when merging during mod install

* remember ordering of installed nexus file ids

* refactor update check logic to prioritize Nexus file IDs over filenames

* refactor nxmUpdatesAvailable to simplify update checking logic

* refactor update check logic to find Nexus file IDs by filename and streamline successor retrieval

* refactor update checking to streamline version resolution and improve successor retrieval
---
 src/installationmanager.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/installationmanager.cpp')

diff --git a/src/installationmanager.cpp b/src/installationmanager.cpp
index 37c86c7e..87c4681f 100644
--- a/src/installationmanager.cpp
+++ b/src/installationmanager.cpp
@@ -491,13 +491,14 @@ InstallationResult InstallationManager::doInstall(GuessedValue<QString>& modName
     return {IPluginInstaller::RESULT_FAILED};
   }
 
-  bool merge = false;
   // determine target directory
   InstallationResult result = testOverwrite(modName);
   if (!result) {
     return result;
   }
 
+  const bool merge = result.merged();
+
   result.m_name = modName;
 
   QString targetDirectory       = QDir(m_ModsDirectory + "/" + modName).canonicalPath();
-- 
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