bug#28756: Substitute download progress bar doesn't reach 100%

[Ludovic Courtès]

address@hidden (宋文武) skribis:

> From 6a3fa69f96fc2e3e074a9275066640ddfee57fd2 Mon Sep 17 00:00:00 2001
> From: =?UTF-8?q?=E5=AE=8B=E6=96=87=E6=AD=A6?= <address@hidden>
> Date: Sat, 14 Oct 2017 22:45:55 +0800
> Subject: [PATCH] guix: substitute: Report the last progress in the child
>  process.
>
> Fixes <https://bugs.gnu.org/28756>.
>
> * guix/utils.scm (filtered-port): Close the 'input' port for the current
> process, and close it upon exit in the child process.
> * guix/scripts/substitute.scm (progress-substitution): Display "\n\n" after
> the reporter has finished.

LGTM!

You could commit the utils.scm change separately because it’s a bug-fix
in its own right.

Thank you!

Ludo’.