[MacPorts] #36560: Use hfsCompression

[MacPorts]

#36560: Use hfsCompression
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  Reporter:  mfeiri@…     |      Owner:  mfeiri@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  base         |    Version:  2.1.2
Resolution:               |   Keywords:  haspatch
      Port:               |
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Comment (by mfeiri@…):

 AFAICT the only way for us to avoid writing files twice with {{{ditto}}}
 is to require the use of cpio instead of tar for archives. Not sure if
 this is a good idea.

 I'm also not sure if libarchive would accept patches for direct HFS
 compresion, because AFAIK there is no official API for HFS compression and
 it is a bit of a hack anyway. Maybe one day we will get something like ZFS
 and we can simply configure truly transparent filesystem compression per
 directory...

 But for now {{{ditto}}} is the only available tool and filesystem
 compression is a desireable feature.

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Ticket URL: <https://trac.macports.org/ticket/36560#comment:12>
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