gotools/internal/robustio/robustio_flaky.go

const arbitraryTimeout …

// retry retries ephemeral errors from f up to an arbitrary timeout
// to work around filesystem flakiness on Windows and Darwin.
func retry(f func() (err error, mayRetry bool)) error { … }

// rename is like os.Rename, but retries ephemeral errors.
//
// On Windows it wraps os.Rename, which (as of 2019-06-04) uses MoveFileEx with
// MOVEFILE_REPLACE_EXISTING.
//
// Windows also provides a different system call, ReplaceFile,
// that provides similar semantics, but perhaps preserves more metadata. (The
// documentation on the differences between the two is very sparse.)
//
// Empirical error rates with MoveFileEx are lower under modest concurrency, so
// for now we're sticking with what the os package already provides.
func rename(oldpath, newpath string) (err error) { … }

// readFile is like os.ReadFile, but retries ephemeral errors.
func readFile(filename string) ([]byte, error) { … }

func removeAll(path string) error { … }