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PKGDELTA(8)			 Pacman	Manual			   PKGDELTA(8)

NAME
       pkgdelta	- package delta	generation utility

SYNOPSIS
       pkgdelta	[options] <package1> <package2>

DESCRIPTION
       pkgdelta	is used	to create package delta	files between two versions of
       the same	package. These files are essentially binary patches. pacman(8)
       can download deltas instead of full package upgrades, and use them with
       the previous versions of	packages (in the package cache)	to synthesize
       the upgraded version of the packages. This likely reduces download
       sizes for upgrades significantly.

       pkgdelta	requires xdelta3(1) to do its job.

OPTIONS
       --max-delta-size	<ratio>
	   Only	create delta files if the delta	is smaller than	ratio *
	   package_size. Possible values: 0.0 to 2.0. Recommended values: 0.2
	   to 0.9. Default value: 0.7

       --min-pkg-size <size>
	   Minimal size	of the package file in bytes to	be considered for
	   delta creation. Default value: 1048576 bytes	= 1 MiB. This may be
	   any absolute	size in	bytes or a human-readable value	such as	4MiB
	   or 3.5MB.

       -q, --quiet
	   Be quiet. Do	not output anything but	warnings and errors.

EXAMPLES
	   $ pkgdelta libreoffice-3.3.2-1-x86_64.pkg.tar.xz libreoffice-3.3.2-2-x86_64.pkg.tar.xz

SEE ALSO
       pacman(8), xdelta3(1)

       See the pacman website at https://www.archlinux.org/pacman/ for current
       information on pacman and its related tools.

BUGS
       Bugs? You must be kidding; there	are no bugs in this software. But if
       we happen to be wrong, send us an email with as much detail as possible
       to pacman-dev@archlinux.org.

AUTHORS
       Current maintainers:

       o   Allan McRae <allan@archlinux.org>

       o   Andrew Gregory <andrew.gregory.8@gmail.com>

       o   Dan McGee <dan@archlinux.org>

       o   Dave	Reisner	<dreisner@archlinux.org>

       Past major contributors:

       o   Judd	Vinet <jvinet@zeroflux.org>

       o   Aurelien Foret <aurelien@archlinux.org>

       o   Aaron Griffin <aaron@archlinux.org>

       o   Xavier Chantry <shiningxc@gmail.com>

       o   Nagy	Gabor <ngaba@bibl.u-szeged.hu>

       For additional contributors, use	git shortlog -s	on the pacman.git
       repository.

Pacman 5.1.3			  2019-03-01			   PKGDELTA(8)

NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | SEE ALSO | BUGS | AUTHORS

Want to link to this manual page? Use this URL:
<https://www.freebsd.org/cgi/man.cgi?query=pkgdelta&sektion=8&manpath=FreeBSD+13.0-RELEASE+and+Ports>

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