[Bug 1893300] Re: The status of cups still shows idle when the printer has been unplugged

[Łukasz Zemczak]

hm, I would appreciate a bit more information in the Regression
Potential section. In this section we need some analysis on where to
look for regressions after this lands into the archive. This should be
an exercise, thinking: "hmmm, if we change these parts of the code, what
could go wrong? Where should we expect regressions, new bugs?"

** Changed in: system-config-printer (Ubuntu Groovy)
       Status: Fix Committed => Incomplete

** Changed in: system-config-printer (Ubuntu Focal)
       Status: Fix Committed => Incomplete

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Title:
  The status of cups still shows idle when the printer has been
  unplugged

Status in OEM Priority Project:
  Triaged
Status in OEM Priority Project focal series:
  New
Status in system-config-printer package in Ubuntu:
  Fix Released
Status in system-config-printer source package in Focal:
  Incomplete
Status in system-config-printer source package in Groovy:
  Incomplete

Bug description:
  [ Impact ]
  After printers (non-ippusb protocal) have been disconnected, the status of cups still shows "idle" instead of "disabled", so seems the disconnected procedure hasn't worked well.

  [ Test Case ]
  1. Connect the printer (non-ippusb protocal)(which isn't 070104) with any 20.04 machine
  2. Wait for the status of cups became "Idle" (lpstat -p)
  3. Unplug the cable of the printer
  4. Check the status of cups again. (lpstat -p)

  [ Regression potential ]
  Low, the change just makes "strcmp" to "srtsrt" and has more checks on the existing of device path. 

  [Expected result]
  The status should show disabled.

  [Actual result]
  The status shows idle.

  [info]
  Target:
  HP LaserJet Pro203dw
  HP Officejet 100 Mobile Printer
  HP Officeject 200 Mobile Printer
  Brother HL-2250DN
  Samsung ML-331x

  Upstream Bug: https://github.com/OpenPrinting/system-config-
  printer/issues/182

  PPA: https://launchpad.net/~hugh712/+archive/ubuntu/sru-1893300

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