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

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From: Z572 <873216071 <at> qq.com>
To: zimoun <zimon.toutoune <at> gmail.com>
Cc: 47754 <at> debbugs.gnu.org
Subject: [bug#47754] [PATCH] gnu: transformations: fix with-latest option for git source package.
Date: Wed, 03 Nov 2021 22:54:40 +0800

Hi,

zimoun <zimon.toutoune <at> gmail.com> writes:

> Hi,
>
> Thanks for the patch.
>
> On Wed, 14 Apr 2021 at 00:28, Z572 <873216071 <at> qq.com> wrote:
>
>>>From 52bd30a6ac967375aa9a178345f1bdea8388457a Mon Sep 17 00:00:00 2001
>> From: Zheng Junjie <873216071 <at> 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?

Just try this:

``` bash
$ file `guix build fbreader --with-latest=fbreader -S`
/gnu/store/rdqkmjpiig9gddzsxj4mdyw8lvn944xg-FBReader: HTML document, UTF-8 Unicode text, with very long lines

```

If a package is a git source package, after use "with-latest" option, it's url
will become to it's source. and build will fail.

This patch just fix this.

But i think this patch not good, maybe need a new patch(use latest version
not latest commit).  But i'm not familiar with this part.


>
> Cheers,
> simon


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