ludo@gnu.org (Ludovic Courtès) writes:

> Amirouche Boubekki <amirouche@hypermove.net> skribis:
>
>> On 2018-02-12 17:59, Leo Famulari wrote:
>>> On Mon, Feb 12, 2018 at 05:43:35PM +0100, Amirouche Boubekki wrote:
>>>> Trying to install bigloo@4.3b leads to a hash mismatch.
>>>>
>>>> This was reproduced by several people.
>>>
>>> Can you copy and paste the error message here?
>> $ guix package -i bigloo@4.3b
>> substitute: mise à jour de la liste des substituts depuis
>> « https://mirror.hydra.gnu.org »... 100.0%
>> guile: warning: failed to install locale
>> warning: failed to install locale: Invalid argument
>>
>> Starting download of
>> /gnu/store/zjpxaz1k3g4dwn26xaic7m1n7i3zfqyr-bigloo4.3b.tar.gz
>> From ftp://ftp-sop.inria.fr/indes/fp/Bigloo/bigloo4.3b.tar.gz...
>>  ...3b.tar.gz  35.4MiB              192KiB/s 03:09
>> [####################] 100.0%
>> output path
>> `/gnu/store/zjpxaz1k3g4dwn26xaic7m1n7i3zfqyr-bigloo4.3b.tar.gz' should
>> have sha256 hash
>> `1xpzxjlq5g8j3jrb908kfaaa0pkynk4rd083hzvb08amhy68sx07', instead has
>> `1x7xdgsls277zlf6gcaxs2cj62xj6yvb0qxh0ddmxfamvxba0cf4'
>
> The original tarball should be available at:
>
>   https://mirror.hydra.gnu.org/file/bigloo4.3b.tar.gz/sha256/1xpzxjlq5g8j3jrb908kfaaa0pkynk4rd083hzvb08amhy68sx07
>
> … but it’s not.
>
> Kei, could you check if you still have the tarball with this hash and
> how it differs from the current one?
>
> Unfortunately Bigloo’s maintainer tends to overwrite files in place so
> it’s likely that the file was modified after Kei committed the upgrade.
>
> Thanks,
> Ludo’.

I do have the "original" tarball, but I don't know how I can transfer it
to you for inspection (if that is even necessary). However, I have
attached changelog differences between the two source trees. I'd send
the full diffoscope report, but its size is about 127 megabytes! The
difference seems to be a string of miscellaneous fixes and changes.