[MacPorts] #62311: portfetch: require external svn on >= Catalina

[MacPorts]

#62311: portfetch: require external svn on >= Catalina
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  Reporter:  kencu   |      Owner:  (none)
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  base    |    Version:
Resolution:          |   Keywords:
      Port:          |
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Changes (by kencu):

 * Attachment "portfetch-fix-svn.patch" added.


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Ticket URL: <https://trac.macports.org/ticket/62311>
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