You have not concluded your merge (MERGE_HEAD exists).hint: Please, commit your changes before......
error:Youhavenotconcludedyourmerge(MERGE_HEADexists).hint:Please,commityourchangesbeforemerging.fatal:Exitingbecauseofunfinishedmerge.在Git中,当你执行gitpull命令时,如果有未完成的合并操作(unmergedchanges),Git会阻止你继续执行pull操