bug#25020: guix refresh does not discover updates if URLs are "non-standard"

[Ludovic Courtès]

Hi,

> Hartmut Goebel wrote:
>
>> Hi,
>>
>> I just updated kde-frameworks to 5.28 and found that not all updates
>> have been discovered.
>>
>> Those where the URL is following the standard schema where found:
>> "mirror://kde/stable/frameworks/" (version-major+minor version) "/" name
>> "-" version ".tar.xz"))
>>
>> Those having a different name of the archive or having an additional
>> directory behind the first version-part have not been found.
>>
>> Update found for:
>>
>>     (name "extra-cmake-modules")
>>     (version "5.27.0")
>>     (source (origin
>>               (method url-fetch)
>>               (uri (string-append
>>                     "mirror://kde/stable/frameworks/"
>>                     (version-major+minor version) "/"
>>                     name "-" version ".tar.xz"))
>>
>> Update not found for (archive-name has "5" appended):
>>
>>     (name "oxygen-icons")
>>     (version "5.27.0")
>>     (source (origin
>>               (method url-fetch)
>>               (uri (string-append
>>                     "mirror://kde/stable/frameworks/"
>>                     (version-major+minor version) "/"
>>                     name "5" "-" version ".tar.xz"))
>>
>> Update not found for (additional directory level):
>>
>>     (name "kross")
>>     (version "5.27.0")
>>     (source
>>      (origin
>>        (method url-fetch)
>>        (uri (string-append
>>              "mirror://kde/stable/frameworks/"
>>              (version-major+minor version) "/portingAids/"
>>              name "-" version ".tar.xz"))

Fixed for oxygen-icons in commit
683c5ab70accb909697717bb61741a7692c52c09.

I can’t tell about kross because it’s not committed yet.  However, I can
tell the logic behind ‘latest-kde-release’ in (guix gnu-maintenance)
recurses in sub-directories,

Ludo’.