GNU bug report logs - #71655
Eshell external commands do not work under GNU Emacs for Windows

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Message #46 received at 71655-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Jim Porter <jporterbugs <at> gmail.com>
Cc: michael.albinus <at> gmx.de, 71655-done <at> debbugs.gnu.org,
 james <at> literate-devops.io
Subject: Re: bug#71655: Eshell external commands do not work under GNU Emacs
 for Windows
Date: Mon, 08 Jul 2024 14:09:39 +0300

> Date: Sun, 7 Jul 2024 20:26:17 -0700
> Cc: Eli Zaretskii <eliz <at> gnu.org>, 71655-done <at> debbugs.gnu.org,
>  james <at> literate-devops.io
> From: Jim Porter <jporterbugs <at> gmail.com>
> 
> On 6/23/2024 10:56 PM, Michael Albinus via Bug reports for GNU Emacs, 
> the Swiss army knife of text editors wrote:
> > Jim Porter <jporterbugs <at> gmail.com> writes:
> > 
> >> I'll think about this some more and see if we can get all the checks
> >> we want without making the code slower over Tramp. (Maybe Tramp caches
> >> enough that this isn't a problem, but I'm not certain yet.)
> > 
> > If Eshell calls `process-file', it shall bind `process-file-side-effects'
> > to nil if appropriate for the given command.
> > 
> > Furthermore, Eshell might bind `remote-file-name-inhibit-cache' to
> > something which helps. The default value (10) seems to be very conservative.
> After looking into this, it turns out Eshell doesn't look for a shebang 
> on remote files (a comment in 'eshell-connection-local-command' claims 
> that it doesn't work with Tramp syntax, but I'm not sure that's actually 
> correct...).
> 
> I've therefore merged the "B" variant of my patch to emacs-30 (as commit 
> 130c3efa108) that checks for zero size on the file. I thought about it 
> and this way seemed safer, since I'm not sure what other scenarios might 
> signal a 'file-error', and I'd rather not suppress something I 
> shouldn't: better for a user to file another bug in that case so we can 
> evaluate it, I think.
> 
> Closing this bug now. (Though of course let me know if I've missed 
> anything here.)

Thanks, this is fine by me.

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