[MacPorts] #72689: port command inoperable after failed upgrade to 2.11.1

[MacPorts]

#72689: port command inoperable after failed upgrade to 2.11.1
------------------------+--------------------
  Reporter:  McDutchie  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  base       |    Version:  2.11.1
Resolution:             |   Keywords:
      Port:             |
------------------------+--------------------

Comment (by ryandesign):

 Replying to [comment:9 jmroot]:
 > Well the good news is we have this output, the bad news is that's
 because it also happened on the buildbot.
 https://build.macports.org/builders/ports-
 14_arm64-watcher/builds/22120/steps/selfupdate/logs/stdio

 In the case of that buildbot worker, 2.11.1 did get installed despite the
 error:

 {{{
 % /opt/local/bin/port vers
 Version: 2.11.1
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/72689#comment:12>
MacPorts <https://www.macports.org/>
Ports system for macOS