Difference between revisions of "Package:Gzip"
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|Summary=Gzip is the standard GNU compressor/decompressor, used to create and expand .gz archives. | |Summary=Gzip is the standard GNU compressor/decompressor, used to create and expand .gz archives. | ||
|CatPkg=app-arch/gzip | |CatPkg=app-arch/gzip | ||
|Maintainer=Oleg, | |Maintainer=Oleg, | ||
|Homepage=http://www.gnu.org/software/gzip/ | |||
|Repository=Funtoo Overlay | |Repository=Funtoo Overlay | ||
}} | }} | ||
Our forked version of Gzip adds a patch to add the <tt>--rsyncable</tt> option, which creates an "rsync-friendly" archive. | Our forked version of Gzip adds a patch to add the <tt>--rsyncable</tt> option, which creates an "rsync-friendly" archive. This option used by <tt>vzdump</tt> utility | ||
Here is the full description of this option: | Here is the full description of this option: | ||
<blockquote> | <blockquote> | ||
While compressing, synchronize the output occasionally based on the | "While compressing, synchronize the output occasionally based on the | ||
input. This reduces compression by about 1 percent most cases, but | input. This reduces compression by about 1 percent most cases, but | ||
means that the <tt>rsync</tt> program can take advantage of similarities | means that the <tt>rsync</tt> program can take advantage of similarities | ||
in the uncompressed input when syncronizing two files compressed with | in the uncompressed input when syncronizing two files compressed with | ||
this flag. <tt>gunzip</tt> cannot tell the difference between a | this flag. <tt>gunzip</tt> cannot tell the difference between a | ||
compressed file created with this option, and one created without it. | compressed file created with this option, and one created without it." | ||
</blockquote> | </blockquote> | ||
{{EbuildFooter}} | {{EbuildFooter}} | ||
Latest revision as of 22:42, September 18, 2014
Gzip
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Our forked version of Gzip adds a patch to add the --rsyncable option, which creates an "rsync-friendly" archive. This option used by vzdump utility
Here is the full description of this option:
"While compressing, synchronize the output occasionally based on the input. This reduces compression by about 1 percent most cases, but means that the rsync program can take advantage of similarities in the uncompressed input when syncronizing two files compressed with this flag. gunzip cannot tell the difference between a compressed file created with this option, and one created without it."