[Distutils] [zc.buildout] upgrade with changed explicit recipe version

[Hanno Schlichting]

Hi.

Jim Fulton wrote:
> On Apr 2, 2008, at 3:44 PM, Hanno Schlichting wrote:
> I think there is a general problem and no, you aren't miss-using the  
> the version restriction.
> 
>> I have the feeling that buildout should either add the old recipe to  
>> the
>> environment to satisfy the uninstall requirement
> 
> Unfortunately, there can be only one version in the environment at a  
> time.
> 
>> or accept newer
>> versions of a recipe to uninstall older versions.
> 
> That is probably better.
> 
> Another option might be to uninstall in a separate process. (Just  
> thinking out loud.)
> 
> I haven't seen this situation before, although I should have expected  
> it.
> 
> I'll think about this and respond in a day or 2.  If I forget, bug me,  
> or create a launchpad issue.

There has already been a report in November last year by Wichert: 
https://bugs.launchpad.net/zc.buildout/+bug/163776

I added the information from this conversation to the report.

Hanno