[bug#41882] [PATCH] channels: Allow specifying per-channel --allow-downgrades in the channel file

[Jakub Kądziołka]

> > It gets tiring to have to specify --allow-downgrades when pulling, so I
> > added a way of specifying it in the channels file. As a bonus, it's more
> > granular.
> >
> > If this is the right approach, I'll add some docs. Also, is there a test
> > that exercises this function?
> 
> I don’t think “allow-downgrade?” should be a property of <channel>,
> because conceptually it’s an unrelated piece of configuration.  So I
> think it’s configuration that belongs elsewhere, but there’s no
> configuration file for ‘guix pull’ etc.

It's a property of the channel that the git repo in question is not
monotonic ;) Also, AFAIU, the channels.scm *is* the configuration file
for guix pull, and it is the primary, if not only use of <channel>.

Regards,
Jakub Kądziołka

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