[MacPorts] #46954: Add Portfile for European Southern Observatory (ESO) software repository

[MacPorts]

#46954: Add Portfile for European Southern Observatory (ESO) software repository
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  Reporter:  aszostak@…  |      Owner:  macports-tickets@…
      Type:  submission  |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.3
Resolution:              |   Keywords:
      Port:  esorepo     |
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Comment (by cal@…):

 We should discuss this on macports-dev, but I don't think we should reject
 this. This is a valid use case, and as long as we do not provide a base
 mechanism to do this, this approach will have to do.

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Ticket URL: <https://trac.macports.org/ticket/46954#comment:8>
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