[MacPorts] #45781: gtkextra3: new port

[MacPorts]

#45781: gtkextra3: new port
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  Reporter:  Tom.Schoonjans@…  |      Owner:  macports-tickets@…
      Type:  submission        |     Status:  new
  Priority:  Normal            |  Milestone:
 Component:  ports             |    Version:  2.3.2
Resolution:                    |   Keywords:
      Port:  gtkextra3         |
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Comment (by ionic@…):

 I've made some changes to the portfile, namely (so far)
   - change name to `gtk2-extra3`
   - whitespace changes (remove trailing whitespace, convert tabs to spaces
 to maintain consistency)
   - set `branch` variable (extracted from version)
   - set upstream name as `sf_name` variable
   - add `livecheck`

 https://git.ionic.de/macports-
 overlay.git/history/a607e6ce:/gnome/gtk2-extra3/Portfile

 Comments?

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Ticket URL: <https://trac.macports.org/ticket/45781#comment:11>
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