modload.ForceUseModules = true
	modload.RootMode = modload.NoRoot
	modload.Init()
	defer modload.Reset()

	// See internal/load.PackagesAndErrorsOutsideModule
	ctx := context.Background()
	allowed := modload.CheckAllowed
	if modload.IsRevisionQuery(path, version) {
		// Don't check for retractions if a specific revision is requested.
		allowed = nil
	}
	noneSelected := func(path string) (version string) { return "none" }

	mg, err := rs.Graph(ctx)
	if err != nil {
		return module.Version{}, err
	}

	candidates, err := QueryPackages(ctx, path, "latest", mg.Selected, CheckAllowed)
	if err != nil {
		if errors.Is(err, fs.ErrNotExist) {
			// Return "cannot find module providing package […]" instead of whatever
			// low-level error QueryPattern produced.

		for _, qr := range results {
			pkgMods = append(pkgMods, qr.Mod)
		}
	}
	if modOnly != nil {
		mod = modOnly.Mod
	}
	return pkgMods, mod, err
}

// checkAllowedOr is like modload.CheckAllowed, but it always allows the requested
// and current versions (even if they are retracted or otherwise excluded).
func (r *resolver) checkAllowedOr(requested string, selected func(string) string) modload.AllowedFunc {

	// (first result). It's possible this module won't provide packages named by
	// later arguments, and other modules would. Let's not try to be too
	// magical though.
	allowed := modload.CheckAllowed
	if modload.IsRevisionQuery(firstPath, version) {
		// Don't check for retractions if a specific revision is requested.
		allowed = nil
	}
	noneSelected := func(path string) (version string) { return "none" }