URLs of substitutes

URLs of substitutes

[Roman Riabenko via]

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Hello

Is it possible to get a URL for a substitute, for example for the Linux
kernel?

I am trying to troubleshoot connection to a substitute sever with my
tunnel broker, which is slow for this server for some reason and
eventually times out when running `guix system reconfigure
/etc/config.scm`. I considered showing wget output to the technical
support as an example but do not know how to find the URL.

Roman

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Re: URLs of substitutes

[Christopher Baines]

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Roman Riabenko via <help-guix@gnu.org> writes:

> Is it possible to get a URL for a substitute, for example for the Linux
> kernel?
>
> I am trying to troubleshoot connection to a substitute sever with my
> tunnel broker, which is slow for this server for some reason and
> eventually times out when running `guix system reconfigure
> /etc/config.scm`. I considered showing wget output to the technical
> support as an example but do not know how to find the URL.

The proper way to do this is to fetch the narinfo, and then get the URL
from that, but generally you can take the filename in the store, and
then add it on to https://bordeaux.guix.gnu.org/nar/lzip/ . For example:


→ guix build --no-grafts linux-libre
/gnu/store/1xw4p9gnvmnvvifw07y588i9w92gw7yl-linux-libre-6.4.12

→ wget https://bordeaux.guix.gnu.org/nar/lzip/1xw4p9gnvmnvvifw07y588i9w92gw7yl-linux-libre-6.4.12
--2023-09-14 10:03:11--  https://bordeaux.guix.gnu.org/nar/lzip/1xw4p9gnvmnvvifw07y588i9w92gw7yl-linux-libre-6.4.12
Resolving bordeaux.guix.gnu.org (bordeaux.guix.gnu.org)... 2a0c:e300::58, 185.233.100.56
Connecting to bordeaux.guix.gnu.org (bordeaux.guix.gnu.org)|2a0c:e300::58|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 109569109 (104M) [text/plain]
Saving to: ‘1xw4p9gnvmnvvifw07y588i9w92gw7yl-linux-libre-6.4.12’

1xw4p9gnvmnvvifw07y588i9w92gw7yl-linux-l 100%[===============================================================================>] 104.49M  3.06MB/s    in 34s

2023-09-14 10:03:44 (3.12 MB/s) - ‘1xw4p9gnvmnvvifw07y588i9w92gw7yl-linux-libre-6.4.12’ saved [109569109/109569109]

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