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From: iyzsong@member.fsf.org (=?utf-8?B?5a6L5paH5q2m?=)
Subject: Re: [PATCH] gnu: Add direnv
Date: Wed, 14 Sep 2016 15:49:21 +0800
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References: <20160910163933.24468-1-mail@cbaines.net>
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In-Reply-To: <20160910163933.24468-1-mail@cbaines.net> (Christopher Baines's
	message of "Sat, 10 Sep 2016 17:39:32 +0100")
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To: Christopher Baines <mail@cbaines.net>
Cc: guix-devel@gnu.org

Christopher Baines <mail@cbaines.net> writes:

> direnv is an environment switcher for the shell. direnv can be used with many
> tools, including Guix environments.
>
> I was lucky enough to meet the original author in London, who showed me direnv,
> and helped me write a function for my .direnvrc file to make it easy to use
> with Guix.
>
> I have the following in my .direnvrc file (in my home directory).
>
>     use_guix() {
>       eval "$(guix environment "$@" --search-paths)"
>     }
>
> This means that I can have something like the following in my .envrc files
>
>     use_guix --ad-hoc guile
>
> You need to add a shell hook, and "allow" this file, but after that is done,
> just changing in and out of the directory with the .envrc file in it will
> adjust the environmental variables in your shell.

Cool, applied, thanks!