fix(config): ensure logging config settings are properly loaded (#3777)

src/config.cpp

@@ -1049,6 +1049,7 @@ namespace config {
 
     for (auto &[name, val] : vars) {
       BOOST_LOG(info) << "config: '"sv << name << "' = "sv << val;
+      modified_config_settings[name] = val;
     }
 
     int_f(vars, "qp", video.qp);

src/config.h

@@ -16,6 +16,9 @@
 #include "nvenc/nvenc_config.h"
 
 namespace config {
+  // track modified config options
+  inline std::unordered_map<std::string, std::string> modified_config_settings;
+
   struct video_t {
     // ffmpeg params
     int qp;  // higher == more compression and less quality

src/main.cpp

@@ -106,6 +106,11 @@ int main(int argc, char *argv[]) {
 
   mail::man = std::make_shared<safe::mail_raw_t>();
 
+  // parse config file
+  if (config::parse(argc, argv)) {
+    return 0;
+  }
+
   auto log_deinit_guard = logging::init(config::sunshine.min_log_level, config::sunshine.log_file);
   if (!log_deinit_guard) {
     BOOST_LOG(error) << "Logging failed to initialize"sv;
@@ -119,10 +124,11 @@ int main(int argc, char *argv[]) {
   // Log publisher metadata
   log_publisher_data();
 
-  // parse config file
-  if (config::parse(argc, argv)) {
-    return 0;
+  // Log modified_config_settings
+  for (auto &[name, val] : config::modified_config_settings) {
+    BOOST_LOG(info) << "config: '"sv << name << "' = "sv << val;
   }
+  config::modified_config_settings.clear();
 
   if (!config::sunshine.cmd.name.empty()) {
     auto fn = cmd_to_func.find(config::sunshine.cmd.name);