Merge union order

[Pierre-Yves David]

On 1/24/23 11:47, Raphaël Gomès wrote:
> On 1/24/23 11:35, Cédric Krier via Mercurial wrote:
>> On 2023-01-14 10:54, Cédric Krier via Mercurial wrote:
>>> Hi,
>>>
>>> In our repository we are filling a CHANGELOG text file when developing
>>> new feature. The rule is to append on top of the file new entries.
>>> The problem is that obviously we have very often merge conflict with
>>> that file. So in order to simplify the merge process, I though about
>>> using `internal:union` tool. This works great but instead of having the
>>> new entry on top, it is merged at the bottom of the conflict.
>>> So is there a way to tell `internal:union` to unify the other way?
>> I see in simplemerge of mercurial/simplemerge.py that:
>>
>> if mode == b'union':
>>      lines = _resolve(m3, (1, 2))
>>
>> Would it be acceptable to add another mode with:
>>
>>      lines = _resolve(m3, (2, 1))
>>
> I don't see why not, maybe call it "union-reverse". Could you send a MR?

Maybe `union-other-first` ? That would be a bit more explicit.


-- 
Pierre-Yves David