From mboxrd@z Thu Jan  1 00:00:00 1970
From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
Subject: bug#22990: Grafts leads to inefficient substitute info retrieval
Date: Tue, 15 Mar 2016 09:24:42 +0100
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ludo@gnu.org (Ludovic Court=C3=A8s) skribis:

> Concretely, what this means is this:
>
>   $ guix package -u
>   substitute: updating list of substitutes from 'http://mirror.guixsd.org=
'... 100.0%
>   substitute: updating list of substitutes from 'http://mirror.guixsd.org=
'... 100.0%
>   substitute: updating list of substitutes from 'http://mirror.guixsd.org=
'... 100.0%
>   substitute: updating list of substitutes from 'http://mirror.guixsd.org=
'... 100.0%
>   substitute: updating list of substitutes from 'http://mirror.guixsd.org=
'... 100.0%
>   substitute: updating list of substitutes from 'http://mirror.guixsd.org=
'... 100.0%
>   substitute: updating list of substitutes from 'http://mirror.guixsd.org=
'... 100.0%
>   [=E2=80=A6]
>   The following files would be downloaded:

This is somewhat mitigated by commits
f09aea1b58b3ef961d3cc712f116fe4617bc8f90 and
264fdedb408ba3620d1e361de6c77e7925025301.

In addition, 026ca50fa4c46a8e280cd51621bbec76b12c0757 slightly improves
=E2=80=98guix substitute=E2=80=99 performance.

Ludo=E2=80=99.