[racket] Planet2 questions

On 04/30/2013 12:24 PM, Matthew Flatt wrote:
>
> I have been working with Jay on the package manager recently, and so I
> have some further info on this point.
snip
> In particular, I can imagine having a project whose source code
> includes a package catalog. To upgrade a particular package, I'd change
> the catalog and `raco pkg update'. When I commit a particular revision
> of the source code to a git repository, the package catalog is saved;
> then, I can roll pack the project (including its references to specific
> package implementations) to any previous version with its associated
> package implementation via a `git checkout' (or whatever) plus `raco
> pkg update'. Working this way, the package catalog acts a lot like git
> submodules.
>
The new package manager is sounding more awesome with each email. Thank 
you so much Jay, Matthew, and the whole PLT team for pushing on it.  
Your users appreciate it!

Thanks,
Dave