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[Bug 932882] Re: Update of a printer driver package does not update the PPD files of the existing queues for this driver

To: desktop-packages@xxxxxxxxxxxxxxxxxxx
From: AnrDaemon <932882@xxxxxxxxxxxxxxxxxx>
Date: Tue, 06 Oct 2015 11:29:34 -0000
Reply-to: Bug 932882 <932882@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

The PPD version (5.2.5 Simplified) is not compatible with Gutenprint
5.2.8-pre1.

The machine was over the years upgraded from Hardy Heron (8.04).

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https://bugs.launchpad.net/bugs/932882

Title:
  Update of a printer driver package does not update the PPD files of
  the existing queues for this driver

Status in cups package in Ubuntu:
  In Progress
Status in gutenprint package in Ubuntu:
  Invalid
Status in cups source package in Precise:
  Invalid
Status in gutenprint source package in Precise:
  Fix Released
Status in cups source package in Quantal:
  Fix Released
Status in gutenprint source package in Quantal:
  Won't Fix

Bug description:
  I needed to print few tickets for travel. But as they did not appeared
  on my printer I took a look at http://localhost:631/ and discovered
  this:

  "The PPD version (5.2.7) is not compatible with Gutenprint
  5.2.8-pre1."

  Had to print to PDF and do printing from MS Windows laptop...

  [Impact] Printers used with Gutenprint do not work for all users who
  update from an older Ubuntu version to Precise.

  [Test Case] To reproduce: Upgrade from Gutenprint 5.2.7 to
  5.2.8~pre1-0ubuntu2 does not update the PPD files of existing queues.
  To test, create a Gutenprint-based print queue on a system with 5.2.7
  then run

  grep -i gutenprint /etc/cups/ppd/*.ppd

  and see that the PPD files are of Gutenprint version 5.2.7. Update to
  5.2.8~pre1-0ubuntu2 and run

  grep -i gutenprint /etc/cups/ppd/*.ppd

  The PPDs are still not upgraded. Update from 5.2.7 or
  5.2.8~pre1-0ubuntu2 to 5.2.8~pre1-0ubuntu2.1 and your PPD files get
  updated to 5.2.8pre1.

  [Regression Potential] Only change is the timestamp of one file. So
  regressions should not be possible.

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