[Bug 1665018] Re: client tools ignore -h option without port number

[Till Kamppeter]

Dariusz, I have uploaded the SRU now. It will soon appear in trusty-
proposed.

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https://bugs.launchpad.net/bugs/1665018

Title:
  client tools ignore -h option without port number

Status in cups package in Ubuntu:
  New
Status in cups source package in Trusty:
  New

Bug description:
  [Impact]
  Prevents user from overriding default print server on cmdline if he's not aware of the fact that this bug may be overriden by giving a port number.

  [Test Case]
  1. Setup 2 cups servers with a shared printer set as default destination: server1, server2.
  2. On a trusty client try:
  export CUPS_SERVER=server1
  lpstat -h server2 -H
  3. Expected result:
  server2:631
  4. Actual result:
  server1:631
  (server given by CUPS_SERVER is used instead of the one given by -h option).

  [Regression Potential]
  Minimal. ipp_port is initialized to default value if not given explicitly. Fix is a backport from Xenial version and already present in upstream release.

  [Other Info]
   
  * Original bug description:

  Some commandline tools (e.g. lp, lpstat) ignore -h option if no port number is given.
  This version affects Trusty with cups-client 1.7.2-0ubuntu1.7. Xenial works fine.

  Test to reproduce:
  1. Setup 2 cups servers with a shared printer set as default destination: server1, server2.
  2. On a trusty client try:
  export CUPS_SERVER=server1
  lpstat -h server2 -H

  3. Expected result:
  server2:631

  4. Actual result:
  server1:631
  (server given by CUPS_SERVER is used instead of the one given by -h option).

  If a port number is given (e.g. server2:631) the commands work as
  expected.

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