[RFC 2/2] recheck: Add a recheck parser for patchwork comments

[Aaron Conole]

Thomas Monjalon <thomas at monjalon.net> writes:

> 01/11/2023 20:16, Aaron Conole:
>> Michael Santana <msantana at redhat.com> writes:
>> > I like this workflow. The only thing that I do not like is that you
>> > have to check every comment on every patch. That seems like an
>> > expensive operation, but honestly I do not think there is a better way
>> > to accomplish this. So if there is no better way to do it then it's
>> > okay, let's move forward with it
>> 
>> There isn't a different way to do it for now, but I hope to switch to
>> using the events API which should mean we only look at the most recent
>> events that come in.
>
> What prevent us to use the events API?

Ideally we could use it everywhere, but the pw-ci project is used for
other patchwork instances.  Events API for comments is a recent change,
and not every patchwork instance is upgraded to support it (for example,
both ozlabs and kernel.org patchwork instances don't have support).

I do have some detection code, and am planning on hooking that up so
that we can detect whether events API supports comment events based on
the filters offered, but that takes some time to test and validate.

So it becomes a question of which is more important - having something
working now, or spending time with the detection code.  Either way, we
need it for older patchworks that haven't upgraded to the just released
version (some projects are still on 2.2.0).

If you think it is better to do the events path first, I can go with
that but then we severely limit which projects get support for rechecks,
and I've already gotten the feature request for both OVS and OVN - so
we'd either need to support comments polling anyway, or do the massive
work of upgrading ozlabs instance.