GNU bug report logs - #30134
ehsell and process-environment variable

Previous Next

Full log

Message #8 received at 30134 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: SK Kim <tttuuu888 <at> gmail.com>
Cc: 30134 <at> debbugs.gnu.org
Subject: Re: bug#30134: ehsell and process-environment variable
Date: Tue, 16 Jan 2018 05:40:33 +0200

> From: SK Kim <tttuuu888 <at> gmail.com>
> Date: Tue, 16 Jan 2018 11:31:27 +0900
> 
> 1) start emacs with 'emacs -Q'
> 
> 2) 'M-x eshell' to open eshell buffer.
> 
> 3) evaluate below code in eshell buffer.
>     (let ((process-environment (cons "TEST=1234" process-environment)))
>         (make-term "test-term" "/bin/bash"))
> 
> 4) moved to buffer 'test-term' and type 'echo $TEST' and you can see
>    nothing.
> 
> The modified process-environment variable is not properly affected if
> the code is evaluated in eshell buffer. The eshell buffer is the only
> buffer that I found the above code is not working properly.

process-environment is for invoking other programs from Emacs.  By
contrast, Eshell does not invoke any other program, it is implemented
in Emacs itself.  And process-environment doesn't affect Emacs itself.
That is why you see the difference with other programs, in particular
shells invoked from Emacs.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.