[MacPorts] #42780: dirvish @1.2.1_1: checksum mismatch, possible stealth update?

[MacPorts]

#42780: dirvish @1.2.1_1: checksum mismatch, possible stealth update?
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  Reporter:  egall@…  |      Owner:  chris@…
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.2.1
Resolution:           |   Keywords:  haspatch
      Port:  dirvish  |
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Comment (by egall@…):

 Replying to [comment:3 larryv@…]:
 > Replying to [comment:2 egall@…]:
 > > According to the Dirvish FAQ, the license is "OSL", whatever that is
 >
 > Probably the [http://opensource.org/licenses/OSL-3.0 Open Software
 License].

 OK, but what would we put for that for the license field in the Portfile?

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Ticket URL: <https://trac.macports.org/ticket/42780#comment:4>
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