From mboxrd@z Thu Jan  1 00:00:00 1970
From: zimoun <zimon.toutoune@gmail.com>
Subject: Re: Guix search, colors and INSIDE_EMACS
Date: Thu, 13 Feb 2020 10:35:56 +0100
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To: Pierre Neidhardt <mail@ambrevar.xyz>
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On Wed, 12 Feb 2020 at 17:30, zimoun <zimon.toutoune@gmail.com> wrote:

> 1.
> By default with Emacs, *shell* is doing right and EShell not. Is it
> coming from Emacs or other? Could the Emacs from Guix do always the
> right thing?
>
> Other said, *shell* sets by default INSIDE_EMACS to "26.3,comint". And
> EShell does nothing by default. Is it Guix specific or Emacs specific?

It is expected because 'shell-mode' derives from 'comint-mode' and
'comint-mode' sets correctly INSIDE_EMACS; as the documentation
claims.

However, 'eshell' uses 'esh-mode' which derives from
'fundamental-mode' and INSIDE_EMACS is set nowhere (well, if it is, I
miss where).
Therefore, the culprit is the upstream 'eshell' and it is not Guix specific.