}

// inittaskSym builds a symbol containing pointers to all the inittasks
// that need to be run, given a list of root inittask symbols.
func (ctxt *Link) inittaskSym(rootNames []string, symName string) loader.Sym {
	ldr := ctxt.loader
	var roots []loader.Sym
	for _, n := range rootNames {
		p := ldr.Lookup(n, 0)
		if p != 0 {
			roots = append(roots, p)
		}
	}
	if len(roots) == 0 {
		// Nothing to do
		return 0
	}

	}
	return repoDir, vcsCmd, nil
}

// isVCSRoot identifies a VCS root by checking whether the directory contains
// any of the listed root names.
func isVCSRoot(dir string, rootNames []rootName) bool {
	for _, root := range rootNames {
		fi, err := os.Stat(filepath.Join(dir, root.filename))
		if err == nil && fi.IsDir() == root.isDir {
			return true
		}
	}

	return false
}

type rootName struct {

// right VCS and repo directory.
func TestFromDir(t *testing.T) {
	tempDir := t.TempDir()

	for _, vcs := range vcsList {
		for r, root := range vcs.RootNames {
			vcsName := fmt.Sprint(vcs.Name, r)
			dir := filepath.Join(tempDir, "example.com", vcsName, root.filename)
			if root.isDir {
				err := os.MkdirAll(dir, 0755)
				if err != nil {
					t.Fatal(err)
				}