[racket-dev] backwards incompatibility (was Re: `define-serializable-struct` and the `deserialize-info...` export)

On Friday, November 8, 2013, Matthew Flatt wrote:

> At Fri, 8 Nov 2013 19:18:10 -0600, Robby Findler wrote:
> > On Fri, Nov 8, 2013 at 7:13 PM, Matthew Flatt <mflatt at cs.utah.edu<javascript:;>>
> wrote:
> >
> > > Yes. Even if (as in the future) the current ring-0 packages weren't all
> > > the same git repository, I'd certainly at least try building them with
> > > this change.
> > >
> > > I think that running all the tests in the same way that DrDr does is
> > > not yet easy, but I hope we're moving in the direction of making that
> > > easier, and then my process can improve.
> > >
> > >
> > Well, if you've built them, then can't just you just run "raco test -xp
> > <put package names here>" and come back in a bit?
>
> I encounter two problems with that strategy:
>
>  * figuring out which of the 200+ package names to write; and
>
>  * many things fail immediately and most things are skipped, because
>    `raco test` doesn't use the test customizations in "props" the way
>    DrDr does.
>
> I would like to say `raco test -p main-distribution` to get essentially
> DrDr's results on my machine.
>
>
That sounds nice.


> > > For now: I build, run some tests, and then push --- hoping that I can
> > > fix or revert quickly when DrDr uncovers problems.
> > >
> > >
> > Perhaps we should be thinking about generalizing the ring-0-based DrDr so
> > we can ask to try out changes?
>
> Yes, it would be great if you work on that. I think the way forward is
> to split out "props" information into "info.rkt" files, but I haven't
> had time to pursue that direction myself.
>
>
That sounds like a better approach. It also seems likely to mesh better
with the snapshot infrastructure you've built.

I would like to try that but I don't think I will get to it for several
weeks, so if someone else wanted to give it a try that'd be fantastic.

Robby
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