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From: Stephen Leake <stephen_leake@stephe-leake.org>
To: Augusto Stoffel <arstoffel@gmail.com>
Cc: Eli Zaretskii <eliz@gnu.org>,
	michael.albinus@gmx.de, monnier@iro.umontreal.ca,
	emacs-devel@gnu.org
Subject: Re: [PATCH] Buffer-local process environments
Date: Wed, 01 Sep 2021 03:42:21 -0700	[thread overview]
Message-ID: <86zgsw1ss2.fsf@stephe-leake.org> (raw)
In-Reply-To: <87h7f9k9tl.fsf@gmail.com> (Augusto Stoffel's message of "Sat, 28 Aug 2021 14:55:34 +0200")

Augusto Stoffel <arstoffel@gmail.com> writes:

> Many languages and build tools rely on environment variables, so those
> variables are not global, but rather local to a project.  In Python, for
> instance, the standard way to choose a particular version of the
> interpreter and of various packages is by setting the PATH and perhaps
> PYTHONPATH variables.  It's a dumb and simple system, which has its
> advantages.

Ada has a similar situation; GPR_PROJECT_PATH specifies the path to
search for dependent libraries, and is per-project.

> If you are working on two projects with different requirements, you need
> to either launch an Emacs instance for each project, which is the
> pedestrian option, or have buffer-local environment variables.

The GNU ELPA package wisi takes an intermediate approach; it maintains a
list of project-specific environment variables in the project object,
and let-binds them in process-environment whenever it runs a process for
the project.

-- 
-- Stephe



  reply	other threads:[~2021-09-01 10:42 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-29 10:56 Buffer-local process environments Augusto Stoffel
2021-04-29 12:30 ` Eli Zaretskii
2021-04-29 12:40   ` Augusto Stoffel
2021-04-29 12:52     ` Eli Zaretskii
2021-04-29 13:06       ` Augusto Stoffel
2021-04-29 14:02 ` Stefan Monnier
2021-04-29 17:26   ` Augusto Stoffel
2021-04-29 17:34     ` Michael Albinus
2021-04-30  7:29       ` Augusto Stoffel
2021-04-30  7:48         ` Michael Albinus
2021-04-30 15:19           ` Augusto Stoffel
2021-04-30 15:51             ` Michael Albinus
2021-05-02  6:13               ` Augusto Stoffel
2021-05-08 17:51                 ` Michael Albinus
2021-05-09  5:06                   ` Augusto Stoffel
2021-05-09 16:38                     ` Michael Albinus
2021-08-28 12:28                       ` [PATCH] " Augusto Stoffel
2021-08-28 12:37                         ` Eli Zaretskii
2021-08-28 12:55                           ` Augusto Stoffel
2021-09-01 10:42                             ` Stephen Leake [this message]
2021-09-01 10:56                               ` Augusto Stoffel
2021-09-01 22:38                                 ` Stephen Leake
2021-09-02  7:14                                   ` Augusto Stoffel
2021-09-06 15:17                                     ` Stephen Leake
2021-08-28 14:06                           ` Arthur Miller
2021-08-28 14:33                             ` Eli Zaretskii
2021-08-28 15:27                               ` Arthur Miller
2021-08-28 15:38                                 ` Eli Zaretskii
2021-08-28 16:48                                   ` Arthur Miller
2021-08-28 15:39                                 ` Augusto Stoffel
2021-08-28 16:43                                   ` Arthur Miller
2021-08-28 12:47                         ` Michael Albinus
2021-08-28 12:59                           ` Augusto Stoffel
2021-08-28 13:18                             ` Michael Albinus
2021-08-28 13:54                               ` Augusto Stoffel
2021-08-28 14:05                               ` Stefan Monnier
2021-08-28 15:19                                 ` Augusto Stoffel
2021-04-30 15:32           ` Augusto Stoffel
2021-04-30 15:55             ` Michael Albinus
2021-04-29 15:37 ` Michael Albinus
2021-04-29 17:31   ` Augusto Stoffel
2021-04-29 17:44     ` Michael Albinus
2021-04-30  7:00       ` Augusto Stoffel
2021-04-30  7:25         ` Michael Albinus
2021-05-02 13:45 ` Stephen Leake

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