[Distutils] buildout behavior as source revisions change

[John Griessen]

John Griessen wrote:
> Some weeks ago I made a buildout config using mr.developer and 
> djangorecipe extensions
> that worked to get a svn trunk version of django-mptt
> and now it stops with an error message.
> 
> Is there a way to specify sources better so it still works when a rev 
> number changes?  Do I have a syntax error?
> The place it has trouble with is     rev=>0.2.2

I suppose this is just an off topic mr.developer question.
I've worked around it without an answer.

JG