GNU bug report logs - #74550
eshell cannot set the environment variable PATH on Windows

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Message #14 received at 74550 <at> debbugs.gnu.org (full text, mbox):

From: Jim Porter <jporterbugs <at> gmail.com>
To: Siyuan Chen <chansey97 <at> gmail.com>
Cc: 74550 <at> debbugs.gnu.org
Subject: Re: bug#74550: eshell cannot set the environment variable PATH on
 Windows
Date: Wed, 27 Nov 2024 10:52:47 -0800

On 11/27/2024 9:15 AM, Siyuan Chen wrote:
> It works, thanks.
> 
> However, this seems to be a global setting only. Is there any equivalent 
> of with-environment-variables for exec-path?

Not exactly. However, you can use setq-local or eshell/addpath:

  (defun shell1 ()
    (interactive)
    (let ((current-prefix-arg 4))
      (call-interactively 'shell)
      (setq-local exec-path (cons "C:/foo" exec-path))
      ;; or ...
      (eshell/addpath "-b" "C:/foo")))

That's probably the best way to do it for now. I think it's probably 
reasonable for Eshell to work correctly when you've let-bound 
'exec-path' like in your examples, but I'll have to think about the best 
way to do it.

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