On Mon, Aug 16 2021, Maxime Devos wrote:

> 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")

IIUC, it only supports GitHub URLs at the moment.  I have a WIP patch
for adding support for any arbitrary Git repository[1].

[1]:
<https://git.yoctocell.xyz/guix/commit/?h=guix-upstream-git-fetch&id=0356c7603a4611d40875b4eb352e3378295f34bc>