fix(Core/Updater): fail the dry run when a SQL update fails to apply (#26795)

Co-authored-by: Claude Opus 5 <noreply@anthropic.com>

src/server/apps/authserver/Main.cpp

@@ -27,6 +27,7 @@
 #include "AuthSocketMgr.h"
 #include "Banner.h"
 #include "Config.h"
+#include "DBUpdater.h"
 #include "DatabaseEnv.h"
 #include "DatabaseLoader.h"
 #include "GitRevision.h"
@@ -149,6 +150,12 @@ int main(int argc, char** argv)
     // Stop auth server if dry run
     if (sConfigMgr->isDryRun())
     {
+        if (uint32 failed = DBUpdaterUtil::GetFailedUpdateCount())
+        {
+            LOG_FATAL("server.authserver", "Dry run completed with {} failed database update(s), terminating.", failed);
+            return 1;
+        }
+
         LOG_INFO("server.authserver", "Dry run completed, terminating.");
         return 0;
     }

src/server/database/Updater/DBUpdater.cpp

@@ -64,6 +64,22 @@ std::string& DBUpdaterUtil::corrected_path()
     return path;
 }
 
+uint32& DBUpdaterUtil::failed_updates()
+{
+    static uint32 count = 0;
+    return count;
+}
+
+void DBUpdaterUtil::MarkUpdateFailed()
+{
+    ++failed_updates();
+}
+
+uint32 DBUpdaterUtil::GetFailedUpdateCount()
+{
+    return failed_updates();
+}
+
 // Auth Database
 template<>
 std::string DBUpdater<LoginDatabaseConnection>::GetConfigEntry()
@@ -524,6 +540,10 @@ void DBUpdater<T>::ApplyFile(DatabaseWorkerPool<T>& pool, std::string const& hos
             "If you are a developer, please fix your sql query.",
             path.generic_string(), pool.GetConnectionInfo()->database);
 
+        // Recorded in both modes. A dry run does not throw below, so it keeps attempting the
+        // remaining files and this count is the only thing left to fail the run on.
+        DBUpdaterUtil::MarkUpdateFailed();
+
         if (!sConfigMgr->isDryRun())
         {
             if (uint32 delay = sConfigMgr->GetOption<uint32>("Updates.ExceptionShutdownDelay", 10000))

src/server/database/Updater/DBUpdater.h

@@ -60,8 +60,15 @@ public:
 
     static bool CheckExecutable();
 
+    // Counts every update file that failed to apply, in any mode. A dry run does not throw
+    // on a bad file, so it keeps going and a single run reports all of them; whoever ends
+    // the run must check this and exit non-zero, otherwise CI goes green on a failed import.
+    static void MarkUpdateFailed();
+    static uint32 GetFailedUpdateCount();
+
 private:
     static std::string& corrected_path();
+    static uint32& failed_updates();
 };
 
 template <class T>

src/server/game/World/World.cpp

@@ -42,6 +42,7 @@
 #include "CreatureGroups.h"
 #include "CreatureTextMgr.h"
 #include "DBCStores.h"
+#include "DBUpdater.h"
 #include "DatabaseEnv.h"
 #include "DisableMgr.h"
 #include "DynamicVisibility.h"
@@ -1058,6 +1059,13 @@ void World::SetInitialWorldSettings()
     if (sConfigMgr->isDryRun())
     {
         sMapMgr->UnloadAll();
+
+        if (uint32 failed = DBUpdaterUtil::GetFailedUpdateCount())
+        {
+            LOG_FATAL("server.loading", "AzerothCore Dry Run Completed With {} Failed Database Update(s), Terminating.", failed);
+            exit(1);
+        }
+
         LOG_INFO("server.loading", "AzerothCore Dry Run Completed, Terminating.");
         exit(0);
     }