tail: reuse opened file --follow=descriptor and renamed #3830
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Discussed here #3798 (comment)
@jhscheer, I'm not sure we need
?
, because it only happens when initially we couldn't open the file, so tail printedcannot open file for reading
telling about an error to the user. But there can be a case when the file has been renamed twice, for example, in which case we don't print anything now, but later on the next event we will print something.