gac is git account changer.
This can change "git config --global user.{ name | email }" easily.
$ pip install git+https://github.com/satoooon8888/gac.git$ gac add # add user setting
> git user.name: john (user input example)
> git user.email: john@mail.com (user input example)
$ gac set john # set git user config
$ git config --global user.email # test
> john@gmail.com