GNU bug report logs - #34943
27.0.50; Tramp explicte-shell-file-name not work and not safe local variable

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Shuguang Sun <shuguang79 <at> qq.com>
Subject: bug#34943: closed (Re: bug#34943: 27.0.50; Tramp explicte-shell-file-name
 not work and not safe local variable)
Date: Sun, 24 Mar 2019 12:43:02 +0000

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

Your bug report

#34943: 27.0.50; Tramp explicte-shell-file-name not work and not safe local variable

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 34943 <at> debbugs.gnu.org.

-- 
34943: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=34943
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Michael Albinus <michael.albinus <at> gmx.de>
To: "Shuguang Sun" <shuguang79 <at> qq.com>
Cc: 34943 <34943-done <at> debbugs.gnu.org>
Subject: Re: bug#34943: 27.0.50;
 Tramp explicte-shell-file-name not work and not safe local variable
Date: Sun, 24 Mar 2019 13:42:37 +0100

"Shuguang Sun" <shuguang79 <at> qq.com> writes:

> It is fixed. Thanks.

Thanks for checking, I'm closing the bug.

Best regards, Michael.

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From: Shuguang Sun <shuguang79 <at> qq.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 27.0.50;
 Tramp explicte-shell-file-name not work and not safe local variable
Date: Fri, 22 Mar 2019 14:17:25 +0800

Hi,

The recent change to Tramp for shell/explict shell has break the remote shell again. For example:
- Tramp to a host
- in a remote diretory, M-x shell
  it raise the error message: env path/to/cmdproxy.exe can't be found 
  which looks tramp shell invoke the local shell, instead the remote shell
  
I have the settings:
```
  (connection-local-set-profile-variables
   'remote-bash
   '((explicit-shell-file-name . "/bin/bash")
     (explicit-bash-args . ("-i"))
     ))

  (connection-local-set-profiles
   '(:application tramp :protocol "plink" :user "user" :machine "host.com")
   'remote-bash)
```
In the previous version of tramp (about Feb), it will invoke the explicit-shell-file-name, instead of local cmdproxy.

Another issue, the emacs treat explicit-shell-file-name and explicit-bash-args as non-safe local variables and ask how to deal it (Y/N/! ...).
In the previous version of tramp (about Feb), it takes these two variables as safe which I think is reasonable because user sets it in tramp-way explicitely and it is only used in tramp only.


In GNU Emacs 27.0.50 (build 3, x86_64-w64-mingw32)
 of 2019-03-21 built on RSHMX11052
Repository revision: c569cceb2d334564d320d2b4098c855db7eb88a0
Repository branch: master
Windowing system distributor 'Microsoft Corp.', version 10.0.15063
System Description: Microsoft Windows 10 Enterprise (v10.0.1703.15063.1631)

Recent messages:
Wrote c:/Users/user/HOME/.emacs [2 times]
Tramp: Opening connection for user <at> host.com using plink...done
Opening directory /plink:user <at> host.com:/opt/bee/home_NEW/user/...done
Tramp: Opening connection for user <at> host.com using plink...
Tramp: Sending command `plink -l user  -ssh -t host.com " env 'TERM=dumb' 'PROMPT_COMMAND=' 'PS1=#$ ' /bin/sh " && exit || exit'
Tramp: Waiting for prompts from remote shell...
Tramp: Sending password
Tramp: Waiting for prompts from remote shell...done
Tramp: Found remote shell prompt on `host.com'
Tramp: Opening connection for user <at> host.com using plink...done

Configured using:
 'configure --without-imagemagick --without-pop
 '--program-transform-name=s/^ctags$/ctags.emacs/''

Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY W32NOTIFY ACL GNUTLS LIBXML2
ZLIB TOOLKIT_SCROLL_BARS THREADS JSON PDUMPER LCMS2 GMP

Important settings:
  value of $LANG: CHS
  locale-coding-system: cp936

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