040000 tree 4de6c52885a4b8cfc7e8311645f9b65fb4400184	log_core
040000 tree b75c411f79d360ae2209b6b46763a6368d4a2f8f	log_list
040000 tree 7c9e0d4160af288c1f72844b24130a4c595cdce3	log_msg
040000 tree 69c9c381ece32c963d68b830550c5b770ffdfa94	logger-hook