Steve Sprang <steve.sprang@gmail.com> skribis:

> From 21f9829fab68e4660b19b651154f3c873b4d595e Mon Sep 17 00:00:00 2001
> From: Steve Sprang <scs@stevesprang.com>
> Date: Sat, 5 Sep 2015 11:32:39 -0700
> Subject: [PATCH] build: Improve information density and appearance of download
>  progress output.
>
> * guix/build/download.scm (seconds->string): New function.
>   (byte-count->string): New function.
>   (progress-bar): New function.
>   (throughput->string): Remove function.
>   (progress-proc): Display base file name, elapsed time, and progress bar.

Neat!  I took the freedom to apply it with this change (let me know if
you think this was inappropriate):