Rotate logs

src/logging.cpp

@@ -4,6 +4,7 @@
  */
 // standard includes
 #include <fstream>
+#include <filesystem>
 #include <iomanip>
 #include <iostream>
 
@@ -106,6 +107,17 @@ namespace logging {
       deinit();
     }
 
+    // Check if the log file exists and handle backup
+    std::string backup_log_file = log_file + ".backup";
+    if (std::filesystem::exists(log_file)) {
+      // If the backup file exists, remove it
+      if (std::filesystem::exists(backup_log_file)) {
+        std::filesystem::remove(backup_log_file);
+      }
+      // Rename the current log file to the backup name
+      std::filesystem::rename(log_file, backup_log_file);
+    }
+
     setup_av_logging(min_log_level);
     setup_libdisplaydevice_logging(min_log_level);
 
@@ -127,6 +139,7 @@ namespace logging {
     return std::make_unique<deinit_t>();
   }
 
+
   void
   setup_av_logging(int min_log_level) {
     if (min_log_level >= 1) {