Re: [BuildStream] Proposal: Moving UI into a subprocess

[Tristan Van Berkom <tristan vanberkom codethink co uk>]

On Tue, 2019-05-28 at 17:47 +0100, Phil Dawson wrote:
> Hi Tristan,
>
> Sorry about the slow response, I was convinced I pressed send on this 
> mail on Friday.

No worries.

[...]
> > First, keep in mind that we are not talking about `bst shell` here, we
> > are talking about the scenario where:
>
> An important clarification. It's a feature I've not had much to do with, 
> so this reminder is useful.

Right, I had a feeling we were not talking about the same thing :)

[...]
> Indeed, we've discussed a few options now, so I think it's time for some 
> experimentation :)
>
> It sounds like we're in agreement now at a high level at least. I think 
> we're at the point where it makes sense to start work on  a proof of 
> concept, so we can validate that a) implementing the interactive shell 
> in this approach is definitely possible and b) we actually see the 
> performance improvements we're hoping for.

I think so, and I'm more confident that there is some way we can handle
the interactive build failure shell in some way after exploring this a
bit.

Cheers,
    -Tristan