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debdeltas
Langue: en
Version: 311777 (ubuntu - 07/07/09)
Section: 1 (Commandes utilisateur)
NAME
debdeltas - compute changes between Debian packagesSYNOPSIS
debdeltas [OPTION]... FILES ....DESCRIPTION
This program computes changes between many Debian packages FILES; FILES are grouped by package name and architecture; for each group, N deltas are computed (see "-n" option); these are stored in many delta file; the location of the delta files is specified by the "--dir" option.
OPTIONS
- --dir DIR force saving of deltas in this DIR
- (otherwise they go in the dir of the newer deb_file)
- --alt DIR for any cmdline argument, search for debs also in this dir
In the above two options, if DIR ends in // , then the dirname of the cmdline argument will be appended to DIR, as well; this is useful when creating archives, since it can recreate the directory tree.- -n N
how many deltas to produce for each unique package name (default 1)- --clean-deltas
- delete deltas if newer deb is not in archive
- --clean-alt
- delete debs in --alt if too old (see -n )
- --no-md5 do not include MD5 info in debdelta.
- --needsold
- create a patch that can only be used if the old .deb is available.
- --delta-algo ALGO
- use a specific backend for computing binary diffs; possible values are: xdelta xdelta-bzip xdelta3 bsdiff
- -M Mb maximum memory to use (for 'bsdiff' or 'xdelta').
- -v verbose (can be added multiple times).
- -d add extra debugging checks.
- -k keep temporary files (use for debugging).
SECURITY
A Debian package that is recreated using debpatch is byte-by-byte identical to the original one; so the cryptographic archive authentication support for APT (see apt-secure(8) ) may be used to assert that it can be trusted to be installed. Currently, though, the delta file itself is not cryptograhically protected.REPORTING BUGS
Report bugs to <mennucc1@debian.org>.AUTHORS
Debdelta was written and is copyright © 2006/07 Andrea Mennucci.This man page was written by Jegou Pierre-yves <pierreyves.jeg@voila.fr>.
COPYING
This is free software. You may redistribute copies of it under the terms of the GNU General Public License <http://www.gnu.org/licenses/gpl.html>. There is NO WARRANTY, to the extent permitted by law.SEE ALSO
debpatch(1), debdelta(1), /usr/share/doc/debdelta/README.Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre