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Re: Can emacsclient send environment variables even if it doesn't create

From: Yoichi Nakayama
Subject: Re: Can emacsclient send environment variables even if it doesn't create a frame?
Date: Sat, 1 Apr 2023 23:54:05 +0900

On Sat, Apr 1, 2023 at 10:54 PM Eli Zaretskii <eliz@gnu.org> wrote:
> > From: Yoichi Nakayama <yoichi.nakayama@gmail.com>
> > Date: Sat, 1 Apr 2023 22:37:30 +0900
> > Cc: emacs-devel@gnu.org
> >
> > No, it will not update the frame-parameter of the existing frame.
> > I’ve confirmed
> >    (frame-parameter nil 'environment) => nil
> > on the window/buffer created by the modified emacsclient, while
> >    (process-get (car server-buffer-clients) 'env)
> > returns environment variables on it.
> That's because we currently refrain from changing the 'environment'
> frame parameter -- we tried at some point, and it caused problems we
> decided to defer to later.  But it is still an option to do that at
> some point, and so I don't want to block that possibility for trhe
> benefit of this use case.

I understand the situation.
However, I would like there to be a way to propagate the client's
environment variables without updating the frame's environment.
Because users of emacsclient don't necessarily want to affect the
entire frame. The server-buffer-clients element has a 1:1
correspondence with clients, so I think it makes sense to always
store client information there. I find it strange that the
server-buffer-clients element doesn't have environment variables
when we don't create a frame.

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