From 29f40cb4182a85f395dd6e20d89b2f03cf9b0f14 Mon Sep 17 00:00:00 2001
From: Lukas Lalinsky <llalinsky@live365.com>
Date: Sun, 25 Feb 2024 19:21:58 +0100
Subject: [PATCH] Add an option to disable root index creation

---
 src/server/main.cpp | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/server/main.cpp b/src/server/main.cpp
index b6db13f..c023c5d 100644
--- a/src/server/main.cpp
+++ b/src/server/main.cpp
@@ -117,6 +117,10 @@ int main(int argc, char **argv)
         .setHelp("use specific number of threads")
         .setDefaultValue("0");
 
+    parser.addOption("no-root-index")
+	.setHelp("do not create the root index")
+	.setDefaultValue("NOT_SET");
+
     // clang-format on
 
     std::unique_ptr<Options> opts(parser.parse(argc, argv));
@@ -144,6 +148,12 @@ int main(int argc, char **argv)
     auto indexes = QSharedPointer<MultiIndex>::create(indexesDir);
     auto metrics = QSharedPointer<Metrics>::create();
 
+    auto noRootIndex = opts->option("no-root-index");
+    if (noRootIndex == "NOT_SET") {
+    	qDebug() << "Creating (legacy) root index";
+	indexes->createRootIndex();
+    }
+
     Listener::setupSignalHandlers();
 
     auto listener = QSharedPointer<Listener>::create(indexes->getRootIndex(true), metrics);