Hello,

Tanguy Le Carrour <[email protected]> ezt írta (időpont: 2019. okt. 21.,
Hét 11:24):

> Hi Marius,
>
>
> Le 10/18, Marius Bakke a écrit :
> > Tanguy Le Carrour <[email protected]> writes:
> > > In Guix, we have Pytest 4.4.2, but the latest release is 5.2.1.
> > > In that case, would it make sense to define a new "versionned" public
> > > variable for python-pytest? Would I create python-pytest5? Or would I
> > > rename python-pytest to python-pytest4 and add python-pytest for Pytest
> > > 5? In this later case, would I have to "fix" all the packages that were
> > > using python-pytest?!
> >
> > Pytest has 4457 dependent packages and can thus only be changed on the
> > 'core-updates' branch.  So the recommended way is indeed to define a new
> > public 'python-pytest-5' variable, and add that as an input for the
> > packages that require 5.x.
>
> OK… sounds like something I can do!
>
>
> > On the next 'core-updates' cycle, Pytest 5 will then become the default,
> > and we will have to fix all packages that does not work with that
> > version :-)
>
> I guess those broken packages will show up as "red" in Cuirass!?
> Would they have to be fixed, or just told to use python-pytest-4?
>
> Is there a way to build those packages on my machine? What a
> script to find and build all the packages dependent on pytest would look
> like?
> I mean, using LISP/Scheme/Guile, as I think I could come up with a
> "manual" solution with `guix graph --type=reverse-package`.
>
guix refresh -l should give you the minimum number of packages that ensures
every dependent is rebuilt.

>
>
> Regards,
>
> --
> Tanguy
>
>

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