Nicholas Marriott <nicholas.marri...@gmail.com> wrote:
> Well, not necessarily, ksh for example does not export PWD.
I could not verify this (on openbsd):
matled@openbsd:~% ksh
$ cd /tmp/b
$ env |grep ^PWD
/tmp/b
$ sh -c pwd
/tmp/b
$ env -i sh -c pwd
/tmp/a
> > What do you mean by the last two paragraphs? I think every new
> > session should be the same, in the current implementation the first
> > session is special as the environment variables of this session are
> > used for all later sessions.
> >
>
> Well, to be more precise, the global environment is set from the client
> which starts tmux and that is used for ALL sessions, including the first
> one. So all sessions are the same, modulo update-environment.
>
> We have to set the global environment up somehow, either copying from
> the first client or starting empty.
>
> The point is that if we copy the whole environment into the session
> environment for new sessions, the hierarchy of global environment <
> session environment is lost.
My tmux usage is that I start it almost every time I start a terminal
emulator (urxvt). I'm using it especially because I can run tmux from
a specific directory and start a new shell in the same directory very
easily without the need to type the path again. I don't have a fixed
sets of tmux sessions running at all times, it may just happen that I
close all terminal emulators and did not detach from any session.
After that, starting the first tmux session again is nothing I do
deliberately, it just happens from time to time.
In this scenario I do not understand yet what a global environment is
needed for. I find it more intuitive and sufficient to have one
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