[MacPorts] #34931: Add "new" to port command

[MacPorts]

#34931: Add "new" to port command
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  Reporter:  david.w.watson@…  |      Owner:  macports-tickets@…
      Type:  enhancement       |     Status:  new
  Priority:  Normal            |  Milestone:
 Component:  base              |    Version:  2.1.1
Resolution:                    |   Keywords:
      Port:                    |
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Comment (by egall@…):

 When you run `port -d selfupdate`, it contains some output like this:
 {{{
 Creating port index in
 /opt/local/var/macports/sources/rsync.macports.org/release/tarballs/ports
 Adding port perl/p5-extutils-f77
 Adding subport p5.8-extutils-f77
 Adding subport p5.10-extutils-f77
 Adding subport p5.12-extutils-f77
 Adding subport p5.14-extutils-f77
 Adding subport p5.16-extutils-f77
 Adding port python/py-netcdf4
 Adding subport py26-netcdf4
 Adding subport py27-netcdf4

 Total number of ports parsed:   9
 Ports successfully parsed:      9
 Ports failed:                   0
 Up-to-date ports skipped:       16561
 }}}
 These are all the ports that are new since the last time you ran `port -d
 selfupdate`. Perhaps a `port new` command could simply re-display this
 info?

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Ticket URL: <https://trac.macports.org/ticket/34931#comment:5>
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