},
		{
			root: "-config://",
			ok:   false,
		},
	}

	for _, test := range tests {
		err := validateRepoRoot(test.root)
		ok := err == nil
		if ok != test.ok {
			want := "error"
			if test.ok {
				want = "nil"
			}
			t.Errorf("validateRepoRoot(%q) = %q, want %s", test.root, err, want)
		}
	}
}

var govcsTests = []struct {
	govcs string
	path  string

	}
	rr := &RepoRoot{
		Repo:     repoURL,
		Root:     mmi.Prefix,
		IsCustom: true,
		VCS:      vcs,
	}
	return rr, nil
}

// validateRepoRoot returns an error if repoRoot does not seem to be
// a valid URL with scheme.
func validateRepoRoot(repoRoot string) error {
	url, err := urlpkg.Parse(repoRoot)
	if err != nil {
		return err
	}
	if url.Scheme == "" {
		return errors.New("no scheme")