[MacPorts] #61649: xorg not setting DISPLAY variable on Big Sur

[MacPorts]

#61649: xorg not setting DISPLAY variable on Big Sur
-----------------------+----------------------
  Reporter:  collamaf  |      Owner:  jeremyhu
      Type:  defect    |     Status:  assigned
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.6.4
Resolution:            |   Keywords:
      Port:  xinit     |
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Comment (by cjones051073):

 Hmmm. looks like base is doing this. no idea why ....

 {{{
 Oberon ~/Projects/MacPorts/base > git grep "Finished adapting your"
 portmgr/dmg/postflight.in:        echo -e "# Finished adapting your ${1}
 environment variable for use with MacPorts.\n"
 }}}

 remove it. Setting DISPLAY to :0 is just wrong and breaks the socket based
 approached used by the X11 server.

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Ticket URL: <https://trac.macports.org/ticket/61649#comment:31>
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