GNU bug report logs - #33458
27.0.50; dired loses position when reverted from outside place

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From: martin rudalics <rudalics <at> gmx.at>
To: v88m <at> posteo.net, 33458 <at> debbugs.gnu.org
Subject: bug#33458: 27.0.50; dired loses position when reverted from outside place
Date: Thu, 13 Dec 2018 10:02:57 +0100

> Playing with patched dired.el I can see error message in some cases
> while buffer creating, deleting and selecting:
>
> "wrong-type-argument stringp nil"

Are you sure you've seen this happening _after_ my last fix two days
ago?  Because if 'dired-goto-file' _now_ chokes on (nth 1 prev) this
should be due to any other value but nil.

> +                             (ignore-errors
> +                               (dired-goto-file (nth 1 prev))))

If you still see an error now we can do that.  It should never harm.
But for the moment I'm mostly curious whether you can still see the
"wrong-type-argument stringp nil" message.

> May be we need same treatment for other `dired-goto-file' lines or make
> more general check for `prev's structure?

All these are heuristics based on the idea that in most cases a file
is still present after reverting its directory's list of files.  Yet,
'dired-goto-file' should not choke on a file name previously produced
by 'dired-get-filename'.

Thanks, martin

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