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3e19cd366a
The example for human-readable values must not contain a space between the value and the unit; otherwise, pkgdelta will not recognize the command options and will error out. In prose, however, there should be a space between the value and the unit. Signed-off-by: Jason St. John <jstjohn@purdue.edu> Signed-off-by: Allan McRae <allan@archlinux.org>
57 lines
1.4 KiB
Plaintext
57 lines
1.4 KiB
Plaintext
/////
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vim:set ts=4 sw=4 syntax=asciidoc noet spell spelllang=en_us:
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/////
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pkgdelta(8)
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=========
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Name
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----
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pkgdelta - package delta generation utility
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Synopsis
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--------
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'pkgdelta' [options] <package1> <package2>
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Description
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-----------
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'pkgdelta' is used to create package delta files between two versions of the
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same package. These files are essentially binary patches. linkman:pacman[8] can
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download deltas instead of full package upgrades, and use them with the
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previous versions of packages (in the package cache) to synthesize the upgraded
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version of the packages. This likely reduces download sizes for upgrades
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significantly.
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'pkgdelta' requires linkman:xdelta3[1] to do its job.
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Options
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-------
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*--max-delta-size <ratio>*::
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Only create delta files if the delta is smaller than ratio * package_size.
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Possible values: 0.0 to 2.0.
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Recommended values: 0.2 to 0.9.
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Default value: 0.7
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*--min-pkg-size <size>*::
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Minimal size of the package file in bytes to be considered for delta creation.
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Default value: 1048576 bytes = 1 MiB. This may be any absolute size in bytes or
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a human-readable value such as `4MiB` or `3.5MB`.
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*-q, \--quiet*::
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Be quiet. Do not output anything but warnings and errors.
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Examples
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--------
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$ pkgdelta libreoffice-3.3.2-1-x86_64.pkg.tar.xz libreoffice-3.3.2-2-x86_64.pkg.tar.xz
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See Also
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--------
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linkman:pacman[8], linkman:xdelta3[1]
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include::footer.txt[]
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