[MacPorts] #39113: 'port -f clean --all all' aborts with unintelligible error

[MacPorts]

#39113: 'port -f clean --all all' aborts with unintelligible error
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 Reporter:  istlota@…  |      Owner:  macports-tickets@…
     Type:  defect     |     Status:  new
 Priority:  Normal     |  Milestone:
Component:  ports      |    Version:  2.1.3
 Keywords:             |       Port:
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 I run 'port -f clean --all all' about once a week as part of my regular
 routine maintenance tasks. When I ran it today, it aborted after the
 cleaning drush msg:

 Cleaning druntime
 --->  Cleaning drupal5
 --->  Cleaning drupal6
 --->  Cleaning drupal7
 --->  Cleaning drush
 Error: Unable to open port: invalid command name "}|̂}|͹oH͹oVcc¤´­p"

 I tried twice and got the same unintelligible error each time. Running
 port rev-upgrade reports no broken files found.

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Ticket URL: <https://trac.macports.org/ticket/39113>
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