[Debian-science-sagemath] Sage 8.4 and Debian buster

[Tobias Hansen]

On 10/06/2018 09:52 AM, Jerome BENOIT wrote:
> Hello,
>
> On 06/10/18 01:22, Tobias Hansen wrote:
>> On 10/05/2018 07:54 AM, Jerome BENOIT wrote:
>>> On 04/10/18 12:15, Tobias Hansen wrote:
>>>> On 10/04/2018 08:19 AM, Ximin Luo wrote:
>>>>> Tobias Hansen:
>>>>>> On 10/04/2018 06:43 AM, Ximin Luo wrote:
>>>>>>> Jerome BENOIT:
>>>>>>>> On 03/10/18 19:02, Ximin Luo wrote:
>>>>>>>>> Tobias Hansen:
>>>>>>>>>> On 10/01/2018 05:50 AM, Jerome BENOIT wrote:
>>>>>>>>>>> On 30/09/18 23:03, Tobias Hansen wrote:
>>>>>>>>>>>> [..]
>>>>>>>>>>>>
>>>>>>>>>>>> We have to figure out what to do with singular (upload 4.1.1p2 to experimental or fix the problem otherwise) and then upload pynac 0.7.22 with a dependency on the new singular version to experimental.
>>>>>>>>>>> Singular 4.1.1p3 is in experimental, I guess I can package 4.1.1p2: can we downgrade in experimental ?
>>>>>>>>>>>
>>>>>>>>>>> Jerome
>>>>>>>>>> I don't know. If you want to avoid increasing the epoch you could just try and see if the upload gets rejected.
>>>>>>>>>>
>>>>>>>>> I think for experimental you will have to use something like 4.1.1p3+actually4.1.1p2, epochs are now discouraged by Policy for "downgrade" purposes, see:
>>>>>>>>>
>>>>>>>>> https://www.debian.org/doc/debian-policy/upgrading-checklist.html#version-4-1-5
>>>>>>>>>
>>>>>>>>> I'm fairly sure you can upload to unstable a version X even if X < what's in experimental as long as it's > what's in unstable. I'm pre+tty sure I've done that before with rustc, e.g. uploaded 1.15.1-3 to unstable even though experimental had 1.16.1-1~exp1.
>>>>>>>> May we upload Singular 4.1.1p2 to Sid ?
>>>>>>>>
>>>>>>> I think that is fine yes.
>>>>>> No, it should conflict with sagemath 8.3. Why not experimental?
>>>>>>
>>>>> 4.1.1p3 is already in experimental. In order to upload 4.1.1p2 to experimental, we would have to version it as 4.1.1p3+actually4.1.1p2 by Debian policy. (As opposed to bumping the epoch, which is now discouraged.)
>>>>>
>>>>> What is wrong with uploading 4.1.1p2 directly to Debian unstable, and then uploading pynac again to force a rebuild? I don't think anything else depends on these.
>>>>>
>>>>> X
>>>>>
>>>> Ok, but then we need to test sagemath 8.3 (with the singular update patch) with these before we do that.
>>> singular 4.1.1-p2+ds is the previous packaged version of singular in experimental.
>>>
>>> So, I guess that we have already the material to test.
>>>
>>> Jerome
>> Ok, I tested sagemath 8.3 with singular 4.1.1-p2 and get the errors that are also discussed in [1] (I also got them with sage 8.4 and singular 4.1.1-p2):
>>
>> sage -t --long src/sage/libs/ntl/error.pyx  # Bad exit: 2
>> sage -t --long src/sage/libs/ntl/ntl_ZZ_pX.pyx  # Bad exit: 2
>> sage -t --long src/sage/matrix/matrix_integer_dense.pyx  # Bad exit: 2
>>
>> So we need to apply the patch [2] to singular.
> I have just pushed to Salsa an ad hoc branch (experimental+actually4.1.1p2) which
> is the former singular 4.1.1-p2+ds-1 with patch [2] .
>
> Please let me know if I can upload it to Sid.
>
> Thanks,
> Jerome

Ok, thanks. I'll do another test run.

Best,
Tobias