[MacPorts] #17615: Only convert receipts if it's actually needed

[MacPorts]

#17615: Only convert receipts if it's actually needed
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  Reporter:  jmr@…             |       Owner:  macports-tickets@…                   
      Type:  enhancement       |      Status:  closed                               
  Priority:  Normal            |   Milestone:  MacPorts Future                      
 Component:  base              |     Version:  1.8.0                                
Resolution:  duplicate         |    Keywords:                                       
      Port:                    |  
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Changes (by jmr@…):

  * status:  new => closed
  * resolution:  => duplicate


Comment:

 Let's just nuke the upgrade code as per #17619.

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Ticket URL: <http://trac.macports.org/ticket/17615#comment:3>
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