GNU bug report logs - #37464
26.3; Icomplete and TRAMP create unnecessary buffer

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Andrii Kolomoiets <andreyk.mad <at> gmail.com>
Subject: bug#37464: closed (Re: bug#37464: 26.3; Icomplete and TRAMP
 create unnecessary buffer)
Date: Sat, 21 Sep 2019 09:18:02 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#37464: 26.3; Icomplete and TRAMP create unnecessary buffer

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 37464 <at> debbugs.gnu.org.

-- 
37464: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=37464
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Michael Albinus <michael.albinus <at> gmx.de>
To: Andrii Kolomoiets <andreyk.mad <at> gmail.com>
Cc: 37464-done <at> debbugs.gnu.org
Subject: Re: bug#37464: 26.3; Icomplete and TRAMP create unnecessary buffer
Date: Sat, 21 Sep 2019 11:17:05 +0200

Andrii Kolomoiets <andreyk.mad <at> gmail.com> writes:

Hi Andrii,

> 1. emacs -Q
> 2. M-x icomplete-mode
> 3. C-x C-f
> 4. /q::
>    instead of "q" allowed method can be specified e.g. "sudo" or "ssh"
> 5. C-g
> 6. C-x C-b
>
> Notice new buffer "*tramp/q..." created although command was cancelled.

Thanks for the report, I can confirm the behaviour. However, this is not
a bug. Try the following command instead:

emacs -Q --eval '(setq tramp-verbose 6)'

This enables traces up to level 6, which are the commands send to a
remote host. You will see also the buffer *debug tramp/ssh...*. No trace
there with level 6, but entries like

11:09:33.148026 tramp-file-name-handler (5) # Non-essential received in operation (file-name-all-completions  /ssh::)

This tells us, that Tramp hasn't tried any remote connection, because it
is still in user name / host name completion. And that's what counts.

I'm marking this as not-a-bug, and close it. Feel free to ask if you
need further information.

Best regards, Michael.

[Message part 3 (message/rfc822, inline)]

From: Andrii Kolomoiets <andreyk.mad <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 26.3; Icomplete and TRAMP create unnecessary buffer
Date: Thu, 19 Sep 2019 23:38:47 +0300

1. emacs -Q
2. M-x icomplete-mode
3. C-x C-f
4. /q::
   instead of "q" allowed method can be specified e.g. "sudo" or "ssh"
5. C-g
6. C-x C-b

Notice new buffer "*tramp/q..." created although command was cancelled.

In GNU Emacs 26.3 (build 1, x86_64-apple-darwin18.2.0, NS appkit-1671.20 Version 10.14.3 (Build 18D109))
of 2019-09-02 built on builder10-14.porkrind.org

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