[Bug 1589644] [NEW] [SRU] biber 2.4 to xenial

[Launchpad Bug Tracker]

You have been subscribed to a public bug by Nick Andrik (andrikos):

Please SRU biber 2.4 to xenial.

[Impact]:
========================
Current biber version in xenial (2.3) is too old for texlive-bibtex-extra version (2015.20160320-1), as described in Bug 1565842 , making biber practically unusable in xenial.
Backporting the most recent version (2.5) would still be a mistake since it requires a (>>= 2016) version of texlive-bibtex-extra.
The proper solution is to backport the 2.4-1 version as was seen in debian.
This has been verified to function properly in the aforementioned bug.

[Test Case]:
========================
Mark off items in the checklist [X] as you test them, but please leave the checklist so that backporters can quickly evaluate the state of testing.

The original 2.4-1 version from debian/snapshot can be found here:
http://snapshot.debian.org/package/biber/2.4-1/

The PPA build that was used for testing can be found here:
https://launchpad.net/~andrikos/+archive/ubuntu/ppa/+packages?field.name_filter=&field.status_filter=published&field.series_filter=xenial

Probably, you can test-build the backport in your PPA with backportpackage:
$ backportpackage -u ppa:andrikos/ppa -s xenial -d xenial biber

* xenial:
[X] Package builds without modification
[X] biber installs cleanly and runs

[Regression Potential]:
========
The following reverse-dependencies need to be tested against the new version of biber. For reverse-build-dependencies (-Indep), please test that the package still builds against the new biber. For reverse-dependencies, please test that the version of the package currently in the release still works with the new biber installed. Reverse- Recommends, Suggests, and Enhances don't need to be tested, and are listed for completeness-sake.

biber
-----
* science-typesetting
  [ ] xenial (Reverse-Recommends)
* texlive-bibtex-extra
  [X] xenial (Reverse-Breaks)
* med-typesetting
  [ ] xenial (Reverse-Suggests)

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

** Affects: biber (Ubuntu Xenial)
     Importance: Undecided
         Status: Confirmed

-- 
[SRU] biber 2.4 to xenial
https://bugs.launchpad.net/bugs/1589644
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