[MacPorts] #58452: bash-completion: port(1) ui_warn output is displayed during tab completion

[MacPorts]

#58452: bash-completion: port(1) ui_warn output is displayed during tab completion
------------------------------+----------------------
  Reporter:  paxperscientiam  |      Owner:  raimue
      Type:  defect           |     Status:  assigned
  Priority:  Normal           |  Milestone:
 Component:  ports            |    Version:  2.5.4
Resolution:                   |   Keywords:
      Port:  bash-completion  |
------------------------------+----------------------

Comment (by raimue):

 In [changeset:"a214a721e83cfd30161b3aa209e6506af19b4804/macports-base"
 a214a721e83cfd30161b3aa209e6506af19b4804/macports-base] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-base"
 revision="a214a721e83cfd30161b3aa209e6506af19b4804"
 port: Suppress old PortIndex warning in quiet mode

 If quiet mode is active, suppress the old PortIndex warning in order to
 avoid these spurious warnings in non-interactive scripts such as the
 bash-completion helper.

 See: https://trac.macports.org/ticket/58452
 }}}

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Ticket URL: <https://trac.macports.org/ticket/58452#comment:5>
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