func NewLongThen(command string, args ...string) Then {
	return &gitCmd{command: command, args: args, background: true, haltChan: make(chan struct{})}
}
func NewLongThen(command string, args ...string) Then {
	return &gitCmd{command: command, args: args, background: true, haltChan: make(chan struct{})}
}
func NewLongThen ( command string , args ... string ) Then { return & gitCmd { command : command , args : args , background : true , haltChan : make ( chan struct { } ) } }
// NewLongThen creates a new long running Then comand.
NewLongThen creates a new long running Then comand .