// located at filesystem path pkgdir.
func dirHash(modroot, pkgdir string) (cache.ActionID, error) {
	h := cache.NewHash("moduleIndex")
	fmt.Fprintf(h, "modroot %s\n", modroot)
	fmt.Fprintf(h, "package %s %s %v\n", runtime.Version(), indexVersion, pkgdir)
	entries, err := fsys.ReadDir(pkgdir)
	if err != nil {
		// pkgdir might not be a directory. give up on hashing.

		return fmt.Errorf("error: meta-data not available (binary not built with -cover?)")
	}

	// Ask the runtime for the list of coverage counter symbols.
	pm := rtcov.Meta.PkgMap
	s := &emitState{
		counterlist: cl,
		pkgmap:      pm,
		outdir:      outdir,
		debug:       os.Getenv("GOCOVERDEBUG") != "",
	}

	// Open output file.

		}
		return outPath
	}

	buildWithGOPATH := func(t *testing.T, goos, goarch, buildmode string) string {
		gopathDir := t.TempDir()
		pkgDir := filepath.Join(gopathDir, "src/example.com/m")
		if err := os.MkdirAll(pkgDir, 0777); err != nil {
			t.Fatal(err)
		}
		helloPath := filepath.Join(pkgDir, "hello.go")
		helloData := []byte("package main\nfunc main() {}\n")
		if err := os.WriteFile(helloPath, helloData, 0666); err != nil {

			// on the command line?
			pkgDir := a1.Deps[0].Package.Internal.Build.PkgTargetRoot
			for _, a2 := range a1.Deps {
				if dir := a2.Package.Internal.Build.PkgTargetRoot; dir != pkgDir {
					base.Fatalf("installing shared library: cannot use packages %s and %s from different roots %s and %s",
						a1.Deps[0].Package.ImportPath,
						a2.Package.ImportPath,
						pkgDir,
						dir)
				}
			}

		}
	}
	return false
}

func (boss *ImportBoss) Verify(pkg *packages.Package) []error {
	pkgDir := packageDir(pkg)
	if pkgDir == "" {
		// This Package has no usable files, e.g. only tests, which are modelled in
		// a distinct Package.
		return nil
	}

	restrictionFiles, err := recursiveRead(filepath.Join(pkgDir, rulesFileName))
	if err != nil {
		return []error{fmt.Errorf("error finding rules file: %w", err)}
	}

					}
				}
				testPackages = append(testPackages, testPackageSet{p, pmain, ptest, pxtest})
			}
		}
		wg.Wait()
		for _, pkgset := range testPackages {
			p, pmain, ptest, pxtest := pkgset.p, pkgset.pmain, pkgset.ptest, pkgset.pxtest
			if pmain != nil {
				pkgs = append(pkgs, pmain)
				data := *pmain.Internal.TestmainGo
				sema.Acquire(ctx, 1)
				wg.Add(1)
				go func() {

	if err := fsys.Init(base.Cwd()); err != nil {
		base.Fatal(err)
	}

	// Make sure -pkgdir is absolute, because we run commands
	// in different directories.
	if cfg.BuildPkgdir != "" && !filepath.IsAbs(cfg.BuildPkgdir) {
		p, err := filepath.Abs(cfg.BuildPkgdir)
		if err != nil {
			fmt.Fprintf(os.Stderr, "go: evaluating -pkgdir: %v\n", err)
			base.SetExitStatus(2)
			base.Exit()
		}
		cfg.BuildPkgdir = p
	}

	$(eval VERSION := $(shell git describe --tags --abbrev=0).hotfix.$(shell git rev-parse --short HEAD))

hotfix: hotfix-vars clean install ## builds minio binary with hotfix tags
	@wget -q -c https://github.com/minio/pkger/releases/download/v2.2.9/pkger_2.2.9_linux_amd64.deb
	@wget -q -c https://raw.githubusercontent.com/minio/minio-service/v1.0.1/linux-systemd/distributed/minio.service
	@sudo apt install ./pkger_2.2.9_linux_amd64.deb --yes

func gobuildTestdata(t *testing.T, tdir string, pkgDir string, gcflags string) *builtFile {
	dst := filepath.Join(tdir, "out.exe")

	// Run a build with an updated GOPATH
	cmd := testenv.Command(t, testenv.GoToolPath(t), "build", gcflags, "-o", dst)
	cmd.Dir = pkgDir
	if b, err := cmd.CombinedOutput(); err != nil {
		t.Logf("build: %s\n", b)
		t.Fatalf("build error: %v", err)

		}
		if err != nil {
			return errCorruptArchive
		}
		data = data[60:]
		fsize := size + size&1
		if fsize < 0 || fsize < size {
			return errCorruptArchive
		}
		switch name {
		case "__.PKGDEF":
			r.a.Entries = append(r.a.Entries, Entry{
				Name:  name,
				Type:  EntryPkgDef,
				Mtime: mtime,
				Uid:   uid,
				Gid:   gid,
				Mode:  mode,
				Data:  Data{r.offset, size},
			})