[MacPorts] #30463: info from a different subport can show up in PortIndex entries

[MacPorts]

#30463: info from a different subport can show up in PortIndex entries
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 Reporter:  jmr@…             |       Owner:  macports-tickets@…                   
     Type:  defect            |      Status:  new                                  
 Priority:  Normal            |   Milestone:  MacPorts 2.0.1                       
Component:  base              |     Version:  2.0.0                                
 Keywords:                    |        Port:                                       
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 Example: top-level subport has replaced_by and the rest don't, but all
 have replaced_by in the index.

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Ticket URL: <https://trac.macports.org/ticket/30463>
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