You can refer to this article to install Homebrew on mac! Super detailed and super simple by hand! ! !
https://blog.csdn.net/m0_55644132/article/details/129006590?spm=1001.2014.3001.5502
install git
brew install git
Check the git version
git version
update git
brew upgrade git
reconnect to git
brew link git --overwrite
After the installation is complete, check the version and you will find that it is still the original version, which needs to be linked through the above command.
View the git installation path
$ which git
/usr/local/bin/git