[MacPorts] #47314: Error: org.macports.fetch for port mesa returned: fetch failed

[MacPorts]

#47314: Error: org.macports.fetch for port mesa returned: fetch failed
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  Reporter:  diochnos@…  |      Owner:  jeremyhu@…
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.3.3
Resolution:              |   Keywords:
      Port:  mesa        |
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Comment (by adam.bartley@…):

 Good for you. Still not working here. Is there a way that I can download
 it manually and get port to use the downloaded file? If not, can some
 attention be paid to fixing this *please*? This has trashed all of my
 other updates, which are waiting on this one for over three weeks now.

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Ticket URL: <https://trac.macports.org/ticket/47314#comment:7>
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