bug#71297: guix time-machine does not have a verbosity option

[Greg Hogan]

On Fri, May 31, 2024 at 5:44 PM Richard Sent
<richard@freakingpenguin.com> wrote:
>
> Hi Guix!
>
> guix time-machine does not have a verbosity option.
>
> --8<---------------cut here---------------start------------->8---
> ~/code/projects/srht-readme $ guix time-machine -q --verbosity 0 -- describe
> guix time-machine: error: verbosity: unrecognized option
> --8<---------------cut here---------------end--------------->8---
>
> This is unfortunate because it hurts it's usability as part of a CI
> system. Pipelines using time-machine are filled with excess logging
> messages that aren't always needed and can't be disabled unless output
> redirection is available.

This is also an annoyance when one has set verbosity in the
environment variable GUIX_BUILD_OPTIONS.