git merge 代码时显示 permission denied?如何解决

Question

1 我在merge代码的时候显示permission denied?这是什么原因？

2.我尝试回退版本之后依然不行，如何解决？

Answer 1

It is recommended that you close all editors or IDEs before using the git merge command. These software may have locked a certain file from external modification.

Answer 2

You have no authority and cannot operate the master. You need to find an administrator to enable it

Answer 3

sudo -s to obtain root permissions and then execute