more bytes

SourceManager.py

@@ -688,7 +688,11 @@ class Server:
 
 	def clear_download_cache(self):
 		cache_files = glob(f"{self.root}/download/user_custom/*/*.dat")
-		self.o.info(f"Delete {len(cache_files)} cache files?")
+		size = 0
+		for f in cache_files:
+			size += os.path.getsize(f)
+
+		self.o.info(f"Delete {len(cache_files)} ({format_bytes(size)}) cache files?")
 		if not self.wait_input():
 			return True