[MacPorts] #42852: MacPorts installation sets $DISPLAY=:0 in .bashrc

[MacPorts]

#42852: MacPorts installation sets $DISPLAY=:0 in .bashrc
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  Reporter:  Norbert.Marwan@…  |      Owner:  macports-tickets@…
      Type:  defect            |     Status:  new
  Priority:  Normal            |  Milestone:
 Component:  base              |    Version:  2.2.1
Resolution:                    |   Keywords:  X,installation
      Port:                    |
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Comment (by cal@…):

 It seems there is indeed some code that adds a DISPLAY variable, but it
 should only be run on Tiger and below. Are you using Tiger? If not, what
 does `sw_vers -productVersion | awk -F . '{print $2}'` echo on your
 system?

 Relevant code is
 source:trunk/base/portmgr/dmg/postflight?marks=268-273#L260.

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Ticket URL: <https://trac.macports.org/ticket/42852#comment:2>
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