},
		},
	}

	for _, test := range tests {
		got, err := RepoRootForImportPath(test.path, IgnoreMod, web.SecureOnly)
		want := test.want

		if want == nil {
			if err == nil {
				t.Errorf("RepoRootForImportPath(%q): Error expected but not received", test.path)
			}
			continue
		}
		if err != nil {
			t.Errorf("RepoRootForImportPath(%q): %v", test.path, err)
			continue
		}

)

func lookupDirect(ctx context.Context, path string) (Repo, error) {
	security := web.SecureOnly

	if module.MatchPrefixPatterns(cfg.GOINSECURE, path) {
		security = web.Insecure
	}
	rr, err := vcs.RepoRootForImportPath(path, vcs.PreferMod, security)
	if err != nil {
		// We don't know where to find code for a module with this path.
		return nil, notExistError{err: err}
	}

	if rr.VCS.Name == "mod" {

type ModuleMode int

const (
	IgnoreMod ModuleMode = iota
	PreferMod
)

// RepoRootForImportPath analyzes importPath to determine the
// version control system, and code repository to use.
func RepoRootForImportPath(importPath string, mod ModuleMode, security web.SecurityMode) (*RepoRoot, error) {
	rr, err := repoRootFromVCSPaths(importPath, security, vcsPaths)