var (
    // VersionMajor is for an API incompatible changes
    VersionMajor = 0
    // VersionMinor is for functionality in a backwards-compatible manner
    VersionMinor = 0
    // VersionPatch is for backwards-compatible bug fixes
    VersionPatch = 1
)

var AddCMD = add{
    // contains filtered or unexported fields
}

var CurrentCMD = current{
    // contains filtered or unexported fields
}

var InitCMD = initc{
    // contains filtered or unexported fields
}

var ListCMD = list{
    // contains filtered or unexported fields
}

var RemoveCMD = remove{
    // contains filtered or unexported fields
}

var SetCMD = set{
    // contains filtered or unexported fields
}

var Version = fmt.Sprintf("%d.%d.%d",
    VersionMajor, VersionMinor, VersionPatch)

type Command interface {
    Name() string
    Usage() string
    Description() string
    Run([]string) error
}