return result
	}

	counter.Open()

	if _, err := os.Stat(telemetry.Default.LocalDir()); err != nil {
		// There was a problem statting LocalDir, which is needed for both
		// crash monitoring and counter uploading. Most likely, there was an
		// error creating telemetry.LocalDir in the counter.Open call above.
		// Don't start the child.
		return result
	}

		rewrite = true
		archive.Files[gosumIdx].Data = newGosumData
	}
	return rewrite
}

func readCounters(t *testing.T, telemetryDir string) map[string]uint64 {
	localDir := filepath.Join(telemetryDir, "local")
	dirents, err := os.ReadDir(localDir)
	if err != nil {
		if os.IsNotExist(err) {
			return nil // The Go command didn't ever run so the local dir wasn't created
		}
		t.Fatalf("reading telemetry local dir: %v", err)

	// a race.
	weekends := filepath.Join(telemetry.Default.LocalDir(), "weekends")
	day := fmt.Sprintf("%d\n", rand.Intn(7))
	if _, err := os.ReadFile(weekends); err != nil {
		if err := os.MkdirAll(telemetry.Default.LocalDir(), 0777); err != nil {
			debugPrintf("%v: could not create telemetry.LocalDir %s", err, telemetry.Default.LocalDir())
			return 0, err
		}

		if err != nil {
			return "", fmt.Errorf("failed to marshal upload report for %s: %v", expiryDate, err)
		}
	}
	localFileName := filepath.Join(u.dir.LocalDir(), "local."+expiryDate+".json")
	uploadFileName := filepath.Join(u.dir.LocalDir(), expiryDate+".json")

	/* Prepare to write files */
	// if either file exists, someone has been here ahead of us