[Bug 1536353] Re: [regression] Printer drivers install is broken as lsb package is not available anymore

[Till Kamppeter]

Richard, I cannot directly upload the lsb source package, this has to be
done by an appropriate maintainer or a Ubuntu core developer. In
addition, the package would go into the development branch of the next
Ubuntu release, 16.10 or Yakkety Yak. To get it installable into Xenial
via apt, an SRU (Stable Release Update) is needed.

I have attached the patch to this bug report so that Adam Conrad and/or
Steve Langasek can upload the package to Yakkety and after that do the
SRU. During the SRU process you will get asked for testing the fixed
package, here in this bug report.

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Title:
  [regression] Printer drivers install is broken as lsb package is not
  available anymore

Status in cups-filters package in Ubuntu:
  Fix Released
Status in epson-inkjet-printer-escpr package in Ubuntu:
  Fix Released
Status in lsb package in Ubuntu:
  Fix Committed
Status in system-config-printer package in Ubuntu:
  Invalid

Bug description:
  Starting with Xenial, lsb compatibility packages were dropped (besides
  lsb-release and lsb-base):

  lsb (9.20150826) unstable; urgency=low

    * Drop all the LSB compatibility packages besides lsb-release and lsb-base
      - Drop packages-availability checking in lsb-release
      - Truncate README.Debian to a minimum
      - Document this in lsb-base.NEWS.Debian
    * Change the versioning number to avoid any ambiguity; use joeyh's
      version.date, with version being Debian next stable's

   -- Didier Raboud <odyx at debian.org>  Wed, 26 Aug 2015 12:00:00 +0200

  The problem is that downloadable printer drivers (like the ones from
  Openprinting, but also from other available providers) that are
  suggested when installing a printer on Ubuntu depends on lsb, which is
  not available anymore:

  epson-inkjet-printer-201106w:
   Dépend: lsb (>=3.2) but it is not installable

  This triggers a regression where it is not possible to setup a printer
  this way (downloading a driver where no local driver is available)
  anymore.

  I see two possible solutions:

  - Add a proper replaces field to one of the remaining lsb-* packages,
  to hopefully fix missing lsb package (maybe it would be useful to also
  replace other compability packages that are not built anymore).

  - Re-introduce LSB compatibility packages, but that might be an
  overkill.

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