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Bug#485146: marked as done (rsync like support for apt{-get,itude} install)

Your message dated Fri, 12 Dec 2008 15:22:54 +0200
with message-id <494265AE.1080300@gmail.com>
and subject line state of #485146
has caused the Debian Bug report #485146,
regarding rsync like support for apt{-get,itude} install
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
485146: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=485146
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: apt
Version: 0.7.14
Severity: normal

Now that bug 128818 has been dealt with, can we get an rsync like
method for packages themselves?  For everyone outside the US,
bandwidth is still more important than CPU.  Bandwidth costs money;
cpu doesn't.

I'm thinking in particular of tracking sid, where bloated crap like
openoffice and firefox change every second day (with metadata-only
changes more often than not), necessitating the download of 100s of
megs of basically-unchanged packages (I place openoffice et al on
hold, but that's laborious when you do actually need to upgrade things
on many hosts).

To fix this bug, aptitude and apt-get would have to antipate the name
of the file to be next downloaded[1], grab the last version of that
file available[2] in the /var/cache/apt/archives cache[3],
hardlink/copy it over to the new name, and then run whatever
rsync/zsync etc algorithm is chosen to grab the new file.  

Naturally, the packages would need to be generated with gzip
--rsyncable.  Make it part of policy, and soon enough all packages
will be converted to the rsyncable format (certainly after the first
update of each package).


[1] Easy, since it's got to download it.

[2] Simple heuristic to work out the base, find all the matching files
in the cache with this base, find the most recent match based on
mtime, then run `dpkg --info` over the match to verify that you have
indeed found the right package.  Or if that is not accurate and picks
up too many packages that aren't matching the one we are trying to
update, see whether there is a file in the cache matching the
currently installed version.

[3] And hell, apt-cacher should deal with this too, so lets make it a
library all of the apts can hook into.

-- Package-specific info:

-- (no /etc/apt/preferences present) --


-- /etc/apt/sources.list --

#deb http://dict-common.alioth.debian.org testing/
deb http://deb.opera.com/opera sid non-free

#deb http://deb.samad.com.au/multimedia unstable main
deb http://www.debian-multimedia.org sid main
deb-src http://www.debian-multimedia.org sid main 

#deb http://kernel-archive.buildserver.net/debian-kernel trunk main
#deb http://kernel-archive.buildserver.net/debian-kernel sid main

#apt-cacher: 3142
#apt-proxy: 9999

###deb http://scuzzie:9999/debian stable main contrib non-free
###deb http://scuzzie:9999/debian testing main contrib non-free
###deb http://scuzzie:9999/debian unstable main contrib non-free
###deb http://scuzzie:9999/debian project/experimental/main/binary-$(ARCH)/
###deb http://scuzzie:9999/debian/ ../project/experimental main

###deb-src http://scuzzie:9999/debian stable main contrib non-free
###deb-src http://scuzzie:9999/debian testing main contrib non-free
###deb-src http://scuzzie:9999/debian unstable main contrib non-free

###disabled again: #renamed from mirror.internote.on.net to mirror.linux.org.au temporarily for swinburne since throttled to mirror.internode otherwise (20080422)
deb http://mirror.internode.on.net/pub/debian stable main contrib non-free
deb http://mirror.internode.on.net/pub/debian testing main contrib non-free
deb http://mirror.internode.on.net/pub/debian unstable main contrib non-free
deb http://mirror.internode.on.net/pub/debian project/experimental/main/binary-$(ARCH)/
deb http://mirror.internode.on.net/pub/debian/ ../project/experimental main

#deb-src http://mirror.internode.on.net/pub/debian stable main contrib non-free
#deb-src http://mirror.internode.on.net/pub/debian testing main contrib non-free
#deb-src http://mirror.internode.on.net/pub/debian unstable main contrib non-free
#deb-src http://mirror.internode.on.net/pub/debian project/experimental/main/binary-$(ARCH)/

deb http://ftp.debian.org/debian stable main contrib non-free
deb http://ftp.debian.org/debian testing main contrib non-free
deb http://ftp.debian.org/debian unstable main contrib non-free
deb http://ftp.debian.org/debian project/experimental/main/binary-$(ARCH)/
deb http://ftp.au.debian.org/pub/debian/ ../project/experimental main

deb-src http://ftp.debian.org/debian stable main contrib non-free
deb-src http://ftp.debian.org/debian testing main contrib non-free
deb-src http://ftp.debian.org/debian unstable main contrib non-free
#deb-src http://ftp.debian.org/debian project/experimental/main/binary-$(ARCH)/

deb http://security.debian.org/ stable/updates main contrib non-free

deb-src http://security.debian.org/ stable/updates main contrib non-free







#deb http://snapshot.debian.net/archive/2006/05/04/debian unstable main contrib non-free
#deb http://snapshot.debian.net/archive/2006/06/01/debian unstable main contrib non-free

#deb http://ftp.au.debian.org/pub/debian/ stable main non-free contrib
#deb http://ftp.au.debian.org/pub/debian/ testing main non-free contrib
#deb http://ftp.au.debian.org/pub/debian/ unstable main non-free contrib
#deb http://ftp.au.debian.org/debian project/experimental/main/binary-$(ARCH)/
#deb http://ftp.au.debian.org/pub/debian/ ../project/experimental main
#deb http://mirror.aarnet.edu.au/pub/debian/ stable main non-free contrib
#deb http://mirror.aarnet.edu.au/pub/debian/ testing main non-free contrib
#deb http://mirror.aarnet.edu.au/pub/debian/ unstable main non-free contrib
#deb http://mirror.aarnet.edu.au/debian project/experimental/main/binary-$(ARCH)/
#deb http://mirror.aarnet.edu.au/pub/debian/ ../project/experimental main

#deb http://ftp.wa.au.debian.org/debian stable main contrib non-free
#deb http://ftp.wa.au.debian.org/debian testing main contrib non-free
#deb http://ftp.wa.au.debian.org/debian unstable main contrib non-free
#deb http://ftp.wa.au.debian.org/debian project/experimental/main/binary-$(ARCH)/

#deb http://ftp.wa.au.debian.org/debian ../project/experimental main
#deb http://ftp.monash.edu.au/pub/linux/debian/ stable main contrib non-free
#deb http://ftp.monash.edu.au/pub/linux/debian/ testing main contrib non-free
#deb http://ftp.monash.edu.au/pub/linux/debian/ unstable main contrib non-free
#deb http://ftp.monash.edu.au/pub/linux/debian/ ../project/experimental main

#deb-src http://ftp.wa.au.debian.org/debian/ stable main non-free contrib
#deb-src http://ftp.wa.au.debian.org/debian/ testing main non-free contrib
#deb-src http://ftp.wa.au.debian.org/debian/ unstable main non-free contrib
#deb-src http://ftp.wa.au.debian.org/debian/ ../project/experimental main


#deb-src http://mirror.aarnet.edu.au/pub/debian/ stable main non-free contrib
#deb-src http://mirror.aarnet.edu.au/pub/debian/ testing main non-free contrib
#deb-src http://mirror.aarnet.edu.au/pub/debian/ unstable main non-free contrib
#deb-src http://mirror.aarnet.edu.au/pub/debian/ ../project/experimental main


#deb http://tonelli.sns.it/pub/mplayer/sarge/ ./

##deb ftp://ftp.nerim.net/debian-marillat/ stable main
##deb ftp://ftp.nerim.net/debian-marillat/ testing main
##deb ftp://ftp.nerim.net/debian-marillat/ unstable main
#deb http://marillat.free.fr/ stable main
#deb http://marillat.free.fr/ testing main
#deb http://marillat.free.fr/ unstable main
#http://debian.video.free.fr/


#deb http://mirror.aarnet.edu.au/pub/debian-non-US stable/non-US main contrib non-free
#deb http://mirror.aarnet.edu.au/pub/debian-non-US testing/non-US main contrib non-free
#deb http://mirror.aarnet.edu.au/pub/debian-non-US unstable/non-US main contrib non-free

#deb-src http://mirror.aarnet.edu.au/pub/debian-non-US stable/non-US main contrib non-free
#deb-src http://mirror.aarnet.edu.au/pub/debian-non-US testing/non-US main contrib non-free
#deb-src http://mirror.aarnet.edu.au/pub/debian-non-US unstable/non-US main contrib non-free

#deb http://security.debian.org/ testing/updates main contrib non-free


#deb http://ftp.debian.org/ stable main non-free contrib
#deb http://ftp.debian.org/ testing main non-free contrib
#deb http://ftp.debian.org/ unstable main non-free contrib
#deb http://ftp.debian.org/ ../project/experimental main



#temporary

#deb http://kanotix.com/files/debian/ ./


-- System Information:
Debian Release: lenny/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.25 (SMP w/2 CPU cores)
Locale: LANG=en_AU, LC_CTYPE=en_AU (charmap=ISO-8859-1)
Shell: /bin/sh linked to /bin/bash

Versions of packages apt depends on:
ii  debian-archive-keyring   2008.04.16+nmu1 GnuPG archive keys of the Debian a
ii  libc6                    2.7-12          GNU C Library: Shared libraries
ii  libgcc1                  1:4.3.0-5       GCC support library
ii  libstdc++6               4.3.0-5         The GNU Standard C++ Library v3

apt recommends no packages.

-- no debconf information

--- End Message ---
--- Begin Message --- 
Hello Tim.

I'm closing this bug due to following reasons:

1) alternative is already implemented - see debdelta package
2) deb's can be packed not only by gzip, but also by bzip2 or even lzma, which have not
--rsyncable or similar option.

-- 
Eugene V. Lyubimkin aka JackYF, JID: jackyf.devel(maildog)gmail.com
Ukrainian C++ developer, Debian APT contributor

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