[MacPorts] #70472: 'port fetch outdated' upgrades ports

[MacPorts]

#70472: 'port fetch outdated' upgrades ports
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  Reporter:  Lord-Kamina  |      Owner:  (none)
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  base         |    Version:  2.9.3
Resolution:               |   Keywords:  port fetch outdated
      Port:               |
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Comment (by jmroot):

 By design, the ports listed in depends_fetch are installed or upgraded
 before running the fetch target.

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Ticket URL: <https://trac.macports.org/ticket/70472#comment:1>
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