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tar and lzma


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I'm about to upload tar 1.19.90, which adds the --lzma command-line
option.  Should I make tar depend on the lzma package?

Arguments for: it already depends on gzip and bzip2.  Also, there was talk
on this list a while ago about switching to lzma, instead of bzip2, for
files installed via setup.exe, since it gives the best compression ratios
to decompression speed tradeoff among all the popular open-source
generic-data compression algorithms.  The --lzma option only works if lzma
is properly installed.

Arguments against: tar is in the Base category, so the default cygwin
install would grow in size and lzma would graduate to base, even though it
is still relatively new.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             ebb9@byu.net
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