[MacPorts] #44091: In port interactive mode, pseudo-portnames corrupted after selfupdate

[MacPorts]

#44091: In port interactive mode, pseudo-portnames corrupted after selfupdate
------------------------+--------------------------------
  Reporter:  pjkim00@…  |      Owner:  macports-tickets@…
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  base       |    Version:  2.3.0
Resolution:             |   Keywords:
      Port:             |
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Comment (by cal@…):

 FWIW, I can also reproduce using
 {{{
 > list
 > list outdated
 }}}
 or
 {{{
 > search
 > list outdated
 }}}

 I think the problem occurs as soon as a single command without arguments
 has been executed because the flag that's used to tell port that an
 argument has been provided but it expanded to an empty list never gets
 reset.

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Ticket URL: <https://trac.macports.org/ticket/44091#comment:7>
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