[MacPorts] #66031: selfupdate throws error changing directory permissions on Monterey and Big Sur (was: selfupdate throws error changing directory permissions on Monterey)

[MacPorts]

#66031: selfupdate throws error changing directory permissions on Monterey and Big
Sur
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  Reporter:  petermichor  |      Owner:  (none)
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  base         |    Version:
Resolution:               |   Keywords:
      Port:               |
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Comment (by jmroot):

 Nope, also seen on Big Sur. And the odd thing is it succeeds on subsequent
 selfupdates (the chmod -R is run regardless of whether a new base version
 was actually built). That code has been more or less the same since
 DarwinPorts 1.0.

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Ticket URL: <https://trac.macports.org/ticket/66031#comment:4>
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