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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Michael Albinus <michael.albinus@gmx.de>
Cc: emacs-devel@gnu.org, Federico Tedin <federicotedin@gmail.com>
Subject: Re: INSIDE_EMACS and Tramp
Date: Mon, 04 May 2020 11:38:58 -0400	[thread overview]
Message-ID: <jwva72naeys.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <87368gjdcn.fsf@gmx.de> (Michael Albinus's message of "Mon, 04 May 2020 10:47:36 +0200")

>> The problem with your approach is that it means calling `start-process`
>> from within a Tramp directory could launch a process with INSIDE_EMACS
>> that contains ",tramp" even tho the process is running locally.
>
> No, Tramp adds the following code snippet to inside-emacs-functions:
>
>   (when (file-remote-p default-directory) "tramp:2.5.0-pre"))
>
> The substring about Tramp appears only when it is needed.

No: `start-process` doesn't look at `default-directory` so the above
code snippet will add ",tramp" when the default-directory is remote, but
the process will still be launched locally.

> This gives me another idea: Tramp could adapt INSIDE_EMACS as provided
> by the packages via process-environment. Hmm, so simple - I should have
> thought about earlier.

Isn't that what my suggestion does?


        Stefan




  reply	other threads:[~2020-05-04 15:38 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200402230535.10490.95720@vcs0.savannah.gnu.org>
     [not found] ` <20200402230536.E0A3F20CDD@vcs0.savannah.gnu.org>
2020-04-03  8:35   ` INSIDE_EMACS and Tramp (was: master f28166d: Copy INSIDE_EMACS env variable to subprocesses in Eshell (Bug#25496)) Michael Albinus
2020-04-04 14:53     ` Federico Tedin
2020-04-04 15:10       ` INSIDE_EMACS and Tramp Michael Albinus
2020-04-04 20:13         ` Federico Tedin
2020-04-13  9:07           ` Michael Albinus
2020-04-17 20:16             ` Federico Tedin
2020-05-02 14:54               ` Michael Albinus
2020-05-02 15:39                 ` Eli Zaretskii
2020-05-02 16:04                   ` Michael Albinus
2020-05-02 16:17                     ` Eli Zaretskii
2020-05-02 16:16                 ` Eli Zaretskii
2020-05-02 17:20                 ` Stefan Monnier
2020-05-03 12:33                   ` Michael Albinus
2020-05-03 14:51                     ` Stefan Monnier
2020-05-03 16:08                       ` Michael Albinus
2020-05-03 20:54                         ` Stefan Monnier
2020-05-04  7:08                           ` Michael Albinus
2020-05-04  8:47                             ` Michael Albinus
2020-05-04 15:38                               ` Stefan Monnier [this message]
2020-05-04 16:11                                 ` Michael Albinus
2020-05-03 14:52                 ` Federico Tedin
2020-05-03 16:19                   ` Michael Albinus

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