From a7306ed64ae96a0665b060db63b25f1dbb27ce32 Mon Sep 17 00:00:00 2001
From: PancakeTAS <pancake@mgnet.work>
Date: Fri, 18 Jul 2025 15:30:08 +0200
Subject: [PATCH] add config version

---
 include/config/default_conf.hpp | 2 +-
 src/config/config.cpp           | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/config/default_conf.hpp b/include/config/default_conf.hpp
index 8d5f0ac..4649e9a 100644
--- a/include/config/default_conf.hpp
+++ b/include/config/default_conf.hpp
@@ -2,7 +2,7 @@
 
 #include <string>
 
-const std::string DEFAULT_CONFIG = R"(
+const std::string DEFAULT_CONFIG = R"(version = 1
 [global]
 # override the location of Lossless Scaling
 # dll = "/games/Lossless Scaling"
diff --git a/src/config/config.cpp b/src/config/config.cpp
index c8ec68a..91472bb 100644
--- a/src/config/config.cpp
+++ b/src/config/config.cpp
@@ -204,6 +204,10 @@ void Config::updateConfig(const std::string& file) {
     std::optional<toml::value> parsed;
     try {
         parsed.emplace(toml::parse(file));
+        if (!parsed->contains("version"))
+            throw std::runtime_error("Configuration file is missing 'version' field");
+        if (parsed->at("version").as_integer() != 1)
+            throw std::runtime_error("Configuration file version is not supported, expected 1");
     } catch (const std::exception& e) {
         throw LSFG::rethrowable_error("Unable to parse configuration file", e);
     }