allow choosing which "phase" to run.

go/qst.go

var autoRestart = flag.Bool("autorestart", true, "automatically restart after command exists")
var command = flag.String("command", "", "command to run ({file} will be substituted)")
var projectType = flag.String("type", "", "project type to use (autodetected if not present)")
var phase = flag.String("phase", "run", "which phase to run (build, run or test)")
func main() {
	log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
			log.Fatal("error: ", err)
		}
		log.Printf("detected a %s project", project.Id)
		projectCmd, found := project.Commands["run"]
		projectCmd, found := project.Commands[*phase]
		if !found {
			log.Fatalf("%s doesn't support `run'", project.Id)
			log.Fatalf("%s doesn't support `%s'", project.Id, *phase)
		}
		cmd = projectCmd
	}