On Mon, 5 Nov 2018 00:41:46 +0100
swedebugia <swedebugia@riseup.net> wrote:

> $ guix package -i hello --substitute-urls=berlin.guixsd.org
> substitute: guix substitute: error: berlin.guixsd.org: invalid URI
> guix package: error: build failed: substituter `substitute' died 
> unexpectedly
> 
> Adding "http://" works:

Hi swedebugia,

I would not consider this a bug: It clearly says that it is not a
proper URI. Also in the documentation all URLs/URIs are written in the
form of 

PROTOCOL://SERVER/PATH.

Closing this one,

Björn