elementary OS

Use XZ compression in .deb packages

Registered by Sergey "Shnatsel" Davidoff on 2011-07-02

According to my recent benchmark at http://commons.wikimedia.org/wiki/File:Decompression-bench.svg, XZ uncompresses faster than gzip or bzip2, and it's known to compress better than gzip or bzip2.

XZ is supported in dpkg since Maverick, so we make our packages smaller and their installation faster while keep backwards compatibility with Jupiter.

Blueprint information

Status:: Complete

Approver:: None

Priority:: Low

Drafter:: None

Direction:: Approved

Assignee:: Sergey "Shnatsel" Davidoff

Definition:: Approved

Series goal:: Accepted for 0.2-luna

Implementation:: Implemented

Milestone target:: None

Started by: Sergey "Shnatsel" Davidoff on 2011-07-03

Completed by: Sergey "Shnatsel" Davidoff on 2011-12-11

Related branches

Related bugs

Bug #619152: Add data.tar.xz support	Fix Released
Bug #805389: Support xz compression inside debs	Fix Released

Sprints

Whiteboard

We were blocked by https://code.launchpad.net/~cjwatson/launchpad/dpkg-xz-support-619152/+merge/32868
The guys have been very helpful and responded to our request quickly, so we got it merged soon.

All large packages in elementary-dev are converted, as of 16 Sep 2011

A few converted packages:
* elementary-icon-theme (50% size shrink) [accepted upstream]
* marlin (25% size shrink)
* lightdm-webkit-greeter [proposed for inclusion upstream]
* beatbox

(?)

Work Items

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