func (g GitOS) Mkdir(name string, perm os.FileMode) error {
	return os.Mkdir(name, perm)
}
func (g GitOS) Mkdir(name string, perm os.FileMode) error {
	return os.Mkdir(name, perm)
}
func ( g GitOS ) Mkdir ( name string , perm os . FileMode ) error { return os . Mkdir ( name , perm ) }
// Mkdir calls os.Mkdir.
Mkdir calls os . Mkdir .