Re: PWD is not seen by my emacs installation

[Patrick Mahan <plmahan@gmail.com>]

Thanks for sharing.

Patrick

On Wed, Aug 30, 2023 at 3:30 PM Rudolf Adamkovič <salutis@me.com> wrote:

> Patrick Mahan <plmahan@gmail.com> writes:
>
> > Hardware -
> >
> >    Macbook Pro 14" (Apple M1 Pro)
> >    Mac OS 13.1 (Ventura)
>
> I am on the same system, with the same
> problem, and I solved it as follows...
>
> From my literate configuration file:
>
> [...]
>
> Copy the =$PATH=, =$MANPATH=, and =LC_ALL=
> variables from the interactive login shell to
> Emacs.  This is necessary on macOS, as its
> GUI starts programs within a minimal
> environment.
>
> In practice, this fixes various problems,
> such as the =*compilation*= buffer not
> finding =emacs=, =fortune= not finding
> =strfile=, =geiser-mode= not finding =guile=,
> =emacs= not finding =gcc= for native
> compilation, as well as, spurious =locale=
> warnings.
>
> #+BEGIN_SRC emacs-lisp :eval no :tangle ~/.emacs
> (when (eq window-system 'ns)
>   (defun shell-get-environment-variable+ (variable)
>     "Return the value of VARIABLE from login shell."
>     (shell-command-to-string
>      (format "$SHELL --login -c 'echo -n $%s'" variable)))
>   ;;
>   ;; Set the path variable.
>   (let* ((path "PATH")
>          (path-value (shell-get-environment-variable+ path)))
>     (setenv path path-value)
>     (setq exec-path (split-string path-value path-separator)))
>   ;;
>   ;; Set the locale.
>   (let* ((variable "LC_ALL")
>          (variable-value (shell-get-environment-variable+ variable)))
>     (setenv variable variable-value)))
> #+END_SRC
>
> P.S. 1: My code launches the login shell
> twice instead of once, which is something to
> improve.
>
> P.S. 2: It would be useful to have a command
> that does this in vanilla Emacs.
>
> Rudy
> --
> "Programming reliably -- must be an activity
> of an undeniably mathematical nature […] You
> see, mathematics is about thinking, and doing
> mathematics is always trying to think as well
> as possible."  -- Edsger W. Dijkstra, 1981
>
> Rudolf Adamkovič <salutis@me.com> [he/him]
> Studenohorská 25
> 84103 Bratislava
> Slovakia
>