npm install xgumxgum can manage your git email and name, and set an alias for it to quickly set up git
* xgum -v, --version
Show you version.
* xgum -h, --help
Show you help info.
* xgum list
Show you git email,name list.
* xgum add -e
Add an item to the list.
* xgum del -a
Removes an item from the list.
* xgum use -t
Apply an item to git, type can be global or system or local.