GNU bug report logs - #65308
(find-file) botches buffer-file-name in -batch mode

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Message #18 received at 65308-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Konstantin Kharlamov <Hi-Angel <at> yandex.ru>
Cc: 65308-done <at> debbugs.gnu.org
Subject: Re: bug#65308: (find-file) botches buffer-file-name in -batch mode
Date: Tue, 15 Aug 2023 15:26:37 +0300

> From: Konstantin Kharlamov <Hi-Angel <at> yandex.ru>
> Cc: 65308 <at> debbugs.gnu.org
> Date: Tue, 15 Aug 2023 15:17:00 +0300
> 
> On Tue, 2023-08-15 at 15:03 +0300, Eli Zaretskii wrote:
> > There's no bug here.  To get what you want, run the command-line
> > arguments through expand-file-name _before_ calling find-file.
> 
> Oh, okay, thank you, I see. I settled with calling a `(kill-buffer)`
> after `(save-buffer)`, which I guess works because each time the buffer
> is killed we get back to the *scratch* buffer that has the original
> "current directory".

Yes, that will work, as will using save-current-buffer etc.  But
please note that relying on the default-directory of some random
buffer when using relative file names is always fraught with surprises
in Emacs, which is why I suggested to use expand-file-name instead.

Closing.

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