package graph import ( "fmt" "github.com/docker/docker/engine" ) func (s *TagStore) CmdTag(job *engine.Job) error { if len(job.Args) != 2 && len(job.Args) != 3 { return fmt.Errorf("Usage: %s IMAGE REPOSITORY [TAG]\n", job.Name) } var tag string if len(job.Args) == 3 { tag = job.Args[2] } return s.Set(job.Args[1], tag, job.Args[0], job.GetenvBool("force")) }