From: Eli Zaretskii <eliz@gnu.org>
To: Michael Albinus <michael.albinus@gmx.de>
Cc: ja2038@gmail.com, 23186@debbugs.gnu.org
Subject: bug#23186: closed (Re: bug#23186: 25.0.92; Tramp: Windows does not always set COMSPEC, tramp blows up in a string-match)
Date: Sun, 03 Apr 2016 19:17:29 +0300 [thread overview]
Message-ID: <831t6mr7ja.fsf@gnu.org> (raw)
In-Reply-To: <87a8laoff2.fsf@gmx.de> (message from Michael Albinus on Sun, 03 Apr 2016 17:55:29 +0200)
> From: Michael Albinus <michael.albinus@gmx.de>
> Cc: ja2038@gmail.com, 23186@debbugs.gnu.org
> Date: Sun, 03 Apr 2016 17:55:29 +0200
>
> > Can you (Michael) explain why does Tramp need this variable, and also
> > why it needs the companion tramp-encoding-command-switch? Why not
> > just use shell-file-name and shell-command-switch? Or, if you must
> > look deeper, why not call w32-shell-name or w32-shell-dos-semantics?
> > I think these already do what you need tramp-encoding-shell for, but
> > maybe I'm missing something.
>
> Well, this is set this way for decades. I don't remember the datails;
> likely it was used also for other cases than just local encoding/
> decoding. And don't forget, Tramp has carried a lot of compat code, back
> to Emacs 21 and XEmacs. Maybe it was not possible to trust on `w32-shell-name'.
I figured it was something like that.
> This compat code has been removed recently. So it is applicable indeed,
> to use `w32-shell-name'. I've committed a patch to master, doing this. I
> don't know, whether the setting for `tramp-encoding-command-switch' is
> OK, 'tho.
The beauty of w32-shell-name is that you don't need to worry about the
switch: cmdproxy supports both -c and /c (and even -C and /C). So you
can now safely use just "-c" for tramp-encoding-command-switch.
Or, if you want to be extra-cautious, and protect Tramp from people
who point shell-file-name or $SHELL at something weird, you can use
w32-shell-dos-semantics: if it returns non-nil, use /c, otherwise -c.
> As usual, I cannot test it for w32. Let's see, whether we get reports :-)
Yep.
Thanks.
next prev parent reply other threads:[~2016-04-03 16:17 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-02 16:06 bug#23186: 25.0.92; Tramp: Windows does not always set COMSPEC, tramp blows up in a string-match Jerry Asher
2016-04-02 16:44 ` Eli Zaretskii
2016-04-02 17:26 ` Eli Zaretskii
2016-04-02 19:37 ` Michael Albinus
2016-04-02 20:03 ` Eli Zaretskii
2016-04-02 20:21 ` Jerry Asher
2016-04-02 20:29 ` Eli Zaretskii
2016-04-03 7:05 ` Michael Albinus
[not found] ` <handler.23186.D23186.145961804117806.notifdone@debbugs.gnu.org>
2016-04-02 17:32 ` bug#23186: closed (Re: bug#23186: 25.0.92; Tramp: Windows does not always set COMSPEC, tramp blows up in a string-match) Jerry Asher
2016-04-02 17:37 ` Jerry Asher
2016-04-02 17:50 ` Jerry Asher
2016-04-02 19:47 ` Michael Albinus
2016-04-02 20:02 ` Eli Zaretskii
2016-04-02 20:19 ` Jerry Asher
2016-04-02 20:33 ` Eli Zaretskii
2016-04-02 20:11 ` bug#23186: closed (Re: " Jerry Asher
2016-04-02 20:28 ` Eli Zaretskii
2016-04-03 7:15 ` Michael Albinus
2016-04-02 21:35 ` John Wiegley
2016-04-03 14:54 ` Eli Zaretskii
2016-04-03 15:55 ` Michael Albinus
2016-04-03 16:17 ` Eli Zaretskii [this message]
2016-04-03 16:49 ` Michael Albinus
2016-04-03 14:51 ` bug#23186: 25.0.92; Tramp: Windows does not always set COMSPEC, tramp blows up in a string-match Eli Zaretskii
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