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zorked
on Dec 12, 2015
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Stop using gzip
Tar does not implement decompression. If you don't have xz installed it won't work.
masklinn
on Dec 12, 2015
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That doesn't seem correct, on osx 10.11 `tar xf` can extract `.tar.xz` yet doesn't fork an xz. AFAIK 10.11 doesn't even come with xz.
jessaustin
on Dec 12, 2015
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tar can link the xz lib without forking.
masklinn
on Dec 12, 2015
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So tar does "implement decompression" (and compression, by delegating the work to libarchive) and it can work even "if you don't have xz installed".
jessaustin
on Dec 12, 2015
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It would require liblzma, but you are correct that the library is a separate thing from the executable xz.
masklinn
on Dec 12, 2015
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> It would require liblzma
Yep, in the same way it requires libz and libbz2.
killercup
on Dec 12, 2015
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IIRC bsdtar (e.g. on OS X) includes xz.
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