[MacPorts] #18443: remember variant choices when upgrading

[MacPorts]

#18443: remember variant choices when upgrading
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 Reporter:  s0nspark@…          |       Owner:  macports-tickets@…                   
     Type:  defect              |      Status:  new                                  
 Priority:  Normal              |   Milestone:  Port Enhancements                    
Component:  base                |     Version:  1.7.0                                
 Keywords:  variant             |        Port:                                       
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 I have a few ports where I have chosen to install specific variants but
 when I go to upgrade my choices are not remembered so I end up having to
 specify the variant again. This makes doing a simple 'port upgrade -u
 outdated' impractical, as it would causes the default variants to take
 precedence over my previous choices.

 It would be _much_ appreciated if there was a way to set certain variants
 as the default (via a config file or something) so my preference would
 always be honored...

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Ticket URL: <http://trac.macports.org/ticket/18443>
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