bug#28699: [PATCH] pull: Add GUIX_PULL_URL environment variable.

[ludo@gnu.org (Ludovic Courtès)]

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Hello Oleg,

Oleg Pykhalov <go.wigust@gmail.com> skribis:

> ludo@gnu.org (Ludovic Courtès) writes:
>
>> Oleg Pykhalov <go.wigust@gmail.com> skribis:
>>
>>> From 2638c08eef0e8c173111ced6bbc95167f6130fd7 Mon Sep 17 00:00:00 2001
>>> From: Oleg Pykhalov <go.wigust@gmail.com>
>>> Date: Wed, 4 Oct 2017 12:01:41 +0300
>>> Subject: [PATCH] pull: Add GUIX_PULL_URL environment variable.
>>>
>>> * guix/scripts/pull.scm (%repository-url): Add GUIX_PULL_URL environment
>>>   variable.
>>> * doc/guix.texi (Invoking guix pull): Mention GUIX_PULL_URL.
>>
>> I’m not entirely convinced, especially with a look on “channels”, which
>> would provide a way to persistently register repo URLs.
>
> Interesting.  I didn't know about channels before you mention.

It’s still a collective pipe dream at this stage, but we’ll get there.
:-)

>> OTOH, I see that it can be convenient in the short-term for someone
>> using a repo other than the default one.
>>
>> Thoughts?
>
> So, as we don't have channels yet, then I think it's a useful patch.
> Because I cannot use 'guix pull --url=URL' when I use 'M-x guix pull' in
> GNU Emacs.

Yeah, that makes sense.

Applied with the changes below, thank you!

Ludo’.


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diff --git a/doc/guix.texi b/doc/guix.texi
index 641e39d9e..7b5b71179 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -2532,9 +2532,10 @@ Produce verbose output, writing build logs to the standard error output.
 @item --url=@var{url}
 Download Guix from the Git repository at @var{url}.
 
+@vindex GUIX_PULL_URL
 By default, the source is taken from its canonical Git repository at
 @code{gnu.org}, for the stable branch of Guix.  To use a different source,
-provide @code{GUIX_PULL_URL} environment variable.
+set the @code{GUIX_PULL_URL} environment variable.
 
 @item --commit=@var{commit}
 Deploy @var{commit}, a valid Git commit ID represented as a hexadecimal