[MacPorts] #52000: Add xz to "base" to allow changing the default compression format to .tar.xz in the future

[MacPorts]

#52000: Add xz to "base" to allow changing the default compression format to
.tar.xz in the future
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  Reporter:  mojca        |      Owner:  macports-tickets@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  base         |    Version:  2.3.4
Resolution:               |   Keywords:
      Port:               |
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Comment (by cooljeanius):

 In light of the xz-utils backdoor from earlier this year, I'd just like to
 say that I'm glad that this hasn't been done yet:
 https://en.wikipedia.org/wiki/XZ_Utils_backdoor

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Ticket URL: <https://trac.macports.org/ticket/52000#comment:16>
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