[bug#47754] [PATCH] gnu: transformations: fix with-latest option for git source package.

[zimoun]

Hi,

Thanks for the patch.

On Wed, 14 Apr 2021 at 00:28, Z572 <873216071@qq.com> wrote:

>>From 52bd30a6ac967375aa9a178345f1bdea8388457a Mon Sep 17 00:00:00 2001
> From: Zheng Junjie <873216071@qq.com>
> Date: Tue, 13 Apr 2021 23:00:10 +0800
> Subject: [PATCH] gnu: transformations: fix with-latest option for git source
>  package.
>
> gnu/transformations.scm: (transform-package-latest): 
> (package-with-latest-upstream):
> use git-checkout if p is a git source package.
> ---
>  guix/transformations.scm | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)

[...]

>    #:autoload   (guix upstream) (package-latest-release*
> +                                upstream-source-urls
>                                  upstream-source-version
>                                  upstream-source-signature-urls)
>    #:use-module (guix utils)
> @@ -537,7 +539,11 @@ are replaced by their latest upstream version."
>               (package
>                 (inherit p)
>                 (version (upstream-source-version source))
> -               (source source))))))
> +               (source (cond ((false-if-exception (package-git-url p))
> +                              (git-checkout
> +                               (url (car (upstream-source-urls source)))
> +                               (recursive? #t)))
> +                             (else source))))))))

Could you provide an example for an use-case?

Cheers,
simon