[MacPorts] #66510: Uninstall warning: add portname to warning prompt. Makes it more clear which port is triggering the warning if multiple ports are specified on the uninstall line.

[MacPorts]

#66510: Uninstall warning: add portname to warning prompt. Makes it more clear
which port is triggering the warning if multiple ports are specified on the
uninstall line.
---------------------+--------------------
  Reporter:  esbugz  |      Owner:  (none)
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  base    |    Version:  2.8.0
Resolution:          |   Keywords:
      Port:          |
---------------------+--------------------

Comment (by esbugz):

 Oh, I see, thanks for clarification.
 Another source of confusion is `Cleaning libunistring`, can this operation
 be removed as well?
 And I'd suggest a shorter message and a more explicit 'Continue
 uninstalling':
 {{{
 Note: uninstalling 'libunistring' will break the following dependent
 ports:
  libidn2 @2.3.4_0
  libpsl @0.21.1-20220513_1
 Continue uninstalling? [y/N]: N
 }}}

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Ticket URL: <https://trac.macports.org/ticket/66510#comment:4>
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