[Bug 951139] [NEW] [FFe] Please include libarchive 3.0.3-6 from Debian unstable

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Martin Pitt (pitti):

Currently Ubuntu 12.04 has libarchive v2.8.5. There is a new upstream
version of libarchive.

Main Goal: also include/build ligxps 0.2.1 and allow users to open
.xps[1] files using evince.

Notes:
* The current version of libarchive (2.8.5) allows us to build/use libgxps and enable xps in evince. However, it will not work with xps files created by Microsoft XPS Document Writer (a "virtual printer"). [2] - FIXED (libarchive >= 3.0.0)
* We need debian package libarchive version 3.0.3-6 because of another problem with xps files [3] - FIXED (debian package libarchive12 version >= 3.0.3-6)
* I have a working PPA set up on launchpad: libarchive 3.0.3-6 (patched 3.0.3-5) + libgxps 0.2.1 + xps-enabled evince - https://launchpad.net/~medigeek/+archive/evince-xps/
* If Ubuntu official packages are built using the same infrastructure/software (i.e. build daemons) as Launchpad PPA, then one more patch is required on top of libarchive 3.0.3-6 [4]

Testing dependencies:
* As I was informed there are about a dozen packages that depend on libarchive and will have to be rebuilt if we include a new upstream release. Rebuilt checked: https://launchpad.net/~medigeek/+archive/libarchive-experimental/+packages - 1 package failed out of 14 in total (see comment #7).

[1] .xps: OpenXPS or XPS stands for XML Paper Specification. It is based on XML and it's a new electronic paper format originally developed by Microsoft and it serves as a PDF alternative. XPS files are usually created using "Microsoft XPS Document Writer" in Windows environments. It is now standardized as an open standard document format.
[2] https://bugzilla.gnome.org/show_bug.cgi?id=670895
[3] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=662603
[4] https://bugs.launchpad.net/launchpad/+bug/942994 - patch: https://gist.github.com/2008578

** Affects: libarchive (Ubuntu)
     Importance: Undecided
         Status: Confirmed

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[FFe] Please include libarchive 3.0.3-6 from Debian unstable
https://bugs.launchpad.net/bugs/951139
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