[Bug 1589644] Re: [SRU] biber 2.4 to xenial

[Nick Andrik]

Subscribing ubuntu-sponsors in order to request for a sponsorship of biber 2.4-1 into xenial-proposed .
This upload resolves Bug 1565842 which falls in the following SRU category, because current (2.3) version of biber is uninstallable:

Bugs which represent severe regressions from the previous release of
Ubuntu. This includes packages which are totally unusable, like being
uninstallable or crashing on startup.

The debdiff can be found in the PPA mentioned in the description. The
extra (2.4-1~xenial~andrik1) changelog entry is to be removed of course.

Thanks in advance,
Nick

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https://bugs.launchpad.net/bugs/1589644

Title:
  [SRU] biber 2.4 to xenial

Status in biber package in Ubuntu:
  Confirmed
Status in biber source package in Xenial:
  Confirmed

Bug description:
  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 uninstallable 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)

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