[bug#50072] [PATCH WIP 4/4] upstream: Support updating git-fetch origins.

[Maxime Devos]

Sarah Morgensen schreef op ma 06-09-2021 om 18:16 [-0700]:
> Hi Maxime,
> 
> Maxime Devos <maximedevos@telenet.be> writes:
> 
> > Sarah Morgensen schreef op zo 15-08-2021 om 16:25 [-0700]:
> > > * guix/git-download.scm (checkout-to-store): New procedure.
> > > * guix/upstream.scm (guess-version-transform)
> > > (package-update/git-fetch): New procedures.
> > > (%method-updates): Add GIT-FETCH mapping.
> > 
> > Does it support packages defined like (a)
> > 
> > (define-public gnash
> >   (let ((commit "583ccbc1275c7701dc4843ec12142ff86bb305b4")
> >         (revision "0"))
> >     (package
> >       (name "gnash")
> >       (version (git-version "0.8.11" revision commit))
> >       (source (git-reference
> >                 (url "https://example.org";)
> >                 (commit commit)))
> >       [...])))
> 
> Thinking about this again, since updaters typically returns actual
> versions (tags) instead of commits, how much would such a
> feature be used?

The minetest updater returns version numbers.
It also returns a git-reference object, which includes the commit.
Just returning a version number often isn't sufficient,
because many repositories of minetest mods do not keep version tags.

See <https://issues.guix.gnu.org/50072#5>.

Greetings,
Maxime.

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