On Sep 9, 2014, at 9:52 AM, Adam Dershowitz Ph.D., P.E. <[email protected]> 
wrote:
> 
> The difficulty, from a user perspective, is that it is not obvious when this 
> kind of case will occur.  I saw that I had some outdated ports, and did an 
> upgrade of outdated and not openmodelica-devel.  The difficulty is that one 
> of those ports was omniORBpy which is what would have “broken" 
> openmodelica-devel and caused the rev-upgrade.  This is not something that 
> would have been obvious beforehand.  And also, is not a problem by itself.  
> The problem is that “-u” got passed to this rev-upgrade so during that 
> process, all the old ones were deleted.  The idea that "sudo port -u upgrade 
> outdated and not openmodelica-devel” will not only upgrade openmodelica-devel 
> but also delete all the old version of that specific port seems like a trap 
> to users.  

It's not entirely obvious what the 'correct' behavior would be, though.
 
Your new omniORBpy (upgraded with -u) is the only one available after the 
upgrade. The installed openmodelica-devel is now broken (won't work with the 
new omniORBpy). rev-upgrade /could/ ignore the -u and build a new 
openmodelica-devel to fix the issue for you, but you wouldn't be able to 
re-activate the old one and have it work.

I would suggest that what you actually want to be doing is something like:

port upgrade outdated
port uninstall inactive and not openmodelica-devel (and maybe using one or more 
of the pseudo-portname selectors to also hang on to any old dependencies or 
dependents).

--
Daniel J. Luke                                                                  
 
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