gateway: restore original filename in StatFile error message #4321
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Follow-up to #3990, but this time for
StatFile
as well.Messages returned by
fsutil.Stat
are guaranteed to return aPathError
wrapped by a stack trace (since it callsos.Lstat
). However, as these error messages are printed, they include the temporary directory for the mounted reference which is not useful to the caller.On an error, we can restore the filename in the
PathError
to the requested filename, as also seen inos.DirFS
.