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Klaus Aehlig authored
The function getFStat causes an IOError if the file to be stated does not exist. In some cases, however, the only thing we care about is whether it has changed, with disappearing being a legitimate change. So add a wrapper that catches the IOError and returns nullFStat. Signed-off-by: Klaus Aehlig <aehlig@google.com> Reviewed-by: Petr Pudlak <pudlak@google.com>
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