gorootSrcCmd := filepath.Join(cfg.GOROOTsrc, "cmd")
				if str.HasPathPrefix(r.dir, gorootSrcCmd) {
					modroot = gorootSrcCmd
				}
			}
			if modroot != "" {
				if rp, err := modindex.GetPackage(modroot, r.dir); err == nil {
					data.p, data.err = rp.Import(cfg.BuildContext, buildMode)
					goto Happy
				} else if !errors.Is(err, modindex.ErrNotIndexed) {
					base.Fatal(err)
				}
			}