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

[Tobias Hansen]

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.

Best,

Tobias