[MacPorts] #63534: Installing old version of port fails with "Can't map the URL 'file://.' to a port description file"

[MacPorts]

#63534: Installing old version of port fails with "Can't map the URL 'file://.' to
a port description file"
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  Reporter:  essandess  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.7.1
Resolution:             |   Keywords:
      Port:             |
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Comment (by essandess):

 Replying to [comment:1 kencu]:
 > what's in the directory?

 Exact same as https://github.com/macports/macports-
 ports/tree/055ddcb475c444d137c5412dce86a167d59d6b4c/devel/google-glog

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Ticket URL: <https://trac.macports.org/ticket/63534#comment:2>
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