CmdClean.Flag.BoolVar(&cleanTestcache, "testcache", false, "")

	// -n and -x are important enough to be
	// mentioned explicitly in the docs but they
	// are part of the build flags.

	work.AddBuildFlags(CmdClean, work.DefaultBuildFlags)
}

func runClean(ctx context.Context, cmd *base.Command, args []string) {
	if len(args) > 0 {
		cacheFlag := ""
		switch {
		case cleanCache:
			cacheFlag = "-cache"

	if err != nil {
		err = errors.New("parse error")
	}
	v.value = value
	return err
}

func (b *dFlag) String() string { return "" }

func init() {
	work.AddBuildFlags(CmdGet, work.OmitModFlag)
	CmdGet.Run = runGet // break init loop
	CmdGet.Flag.Var(&getD, "d", "")
	CmdGet.Flag.Var(&getU, "u", "")
}

func runGet(ctx context.Context, cmd *base.Command, args []string) {