[MacPorts] #64871: fish @3.4.0: Error sourcing fish_title.sh

[MacPorts]

#64871: fish @3.4.0: Error sourcing fish_title.sh
------------------------+--------------------
 Reporter:  evanmiller  |      Owner:  (none)
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.7.2
 Keywords:              |       Port:  fish
------------------------+--------------------
 After upgrading, I see:

 {{{
 /opt/local/share/fish/functions/fish_title.fish (line 7): $(...) is not
 supported. In fish, please use '(prompt_hostname)'.
         and set ssh "[$(prompt_hostname | string sub -l 10)]"
                       ^
 from sourcing file /opt/local/share/fish/functions/fish_title.fish
 in command substitution
 source: Error while reading file
 “/opt/local/share/fish/functions/fish_title.fish”
 }}}

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Ticket URL: <https://trac.macports.org/ticket/64871>
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