[Projects/god (mojombo/science)]$ github home
# always opens http://github.com/halorgium/god/tree/master

[Projects/god (master)]$ github browse
# opens http://github.com/halorgium/god/tree/master

[Projects/god (mojombo/master)]$ github browse
# opens http://github.com/mojombo/god/tree/master

[Projects/god (mojombo/science)]$ github browse
# opens http://github.com/mojombo/god/tree/science