GNU bug report logs - #25831
Expose http_proxy setting on GuixSD

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From: Leo Famulari <leo <at> famulari.name>
To: Mathieu Lirzin <mthl <at> gnu.org>
Cc: 25831 <at> debbugs.gnu.org
Subject: bug#25831: Expose http_proxy setting on GuixSD
Date: Wed, 22 Feb 2017 14:22:23 -0500

[Message part 1 (text/plain, inline)]

On Wed, Feb 22, 2017 at 10:51:47AM +0100, Mathieu Lirzin wrote:
> I don't know much about HTTP proxying but when reading
> 'in-band-download' in "guix/download.scm"  I see a line like this:
> 
>   #:leaked-env-vars '("http_proxy" "https_proxy")
> 
> which makes me think that maybe we should add an https_proxy toggle in
> 'guix-configuration' too?
> 
> However I see that 'open-connection-for-uri' in "guix/download.scm"
> ignores "https_proxy" with a comment from 2015:
> 
>   ;; For HTTPS URIs, honor 'https_proxy', not 'http_proxy'.
>   ;; FIXME: Proxying is not supported for https.

That's from 'guix/build/download.scm'.

> Do you have any idea if this could be easily fixed?

I don't know. I guess that it would be required to have a TLS client
(gnutls-guile) and a certificate store available, but I'm not sure how
to implement it, or what exactly is missing.

> I think it would be more readable like this:
> 
>   #$@(if http-proxy
>          (list (string-append "http_proxy=" http-proxy))
>          '())

I think this form of the conditional is a little easier to read than the
other one, so I've used it in my updated patch, which is attached.

[0001-services-guix-Support-using-an-HTTP-proxy.patch (text/plain, attachment)]

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