Efraim Flashner <efraim@flashner.co.il> writes:

> On Mon, Nov 29, 2021 at 10:31:48PM +0800, Z572 via Bug reports for GNU Guix wrote:
>> 
>> hello,
>> 
>> many rust package can't build in core-update-frozen because them
>> source file-name use ".crate" suffix.
>> 
> ...
>> 
>> I think have 2 option:
>> 
>>  1. change suffix from ".crate" to ".tar.gz".
>>  2. maybe let "tarball?" check file like command-line program "file", no
>>  just check filename suffix.
>> 
>
> As (probably) the person who made it like that in the first place, I
> like the idea of changing the suffix from '.crate'  to '.tar.gz'
here is patch: