On Thu, Jul 06, 2017 at 04:35:38PM +0200, Ludovic Courtès wrote:
> Efraim Flashner <efraim@flashner.co.il> skribis:
> 
> > * guix/scripts/lint.scm (check-for-updates): New procedure.
> > (%checkers): Add it.
> 
> Good idea.
> 
> > +(define (check-for-updates package)
> > +  "Check if there is an update available for PACKAGE."
> > +  (guix-refresh (package-name package)))
> 
> I think we should use the (guix upstream) API directly because
> ‘guix-refresh’ can call ‘exit’ and it formats messages in a way that is
> not consistent with the rest of ‘guix lint’.
> 
> To do that I think we’ll first have to move ‘%updaters’ to (guix
> upstream), probably turning it into a procedure.
> 
> WDYT?
> 
> Thanks,
> Ludo’.
> 

This actually wasn't too bad. I had to move %updaters and another
function to guix/upstream, and then I copied the code for checking the
upstream version vs the current version and tried to shorten it a bit.

I tested it with 'guix lint -c refresh perl{,-svg}'

-- 
Efraim Flashner   <efraim@flashner.co.il>   אפרים פלשנר
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