[Bug 1418420] Re: Confusing title for Java package caused by _get_application_for_package

[Brian Murray]

Confirmed with openjdk-7-jre on Vivid.

** Tags added: trusty

** Tags added: vivid

** Changed in: update-manager (Ubuntu)
       Status: New => Triaged

** Changed in: update-manager (Ubuntu)
   Importance: Undecided => Medium

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Title:
  Confusing title for Java package caused by
  _get_application_for_package

Status in update-manager package in Ubuntu:
  Triaged

Bug description:
  Using version 0.196.12

  Recently, a bunch of Java 6 packages needed to be updated on my machine:
  icedtea-6-jre-cacao
  icedtea-6-jre-jamvm
  openjdk-6-jre
  openjdk-6-jre-headless
  openjdk-6-jre-lib
  tzdata
  tzdata-java

  Update-Manager has decided that the name for the openjdk-6-jre package should be "OpenJDK Java 6 Policy Tool".
  It then decided that openjdk-6-jre is the representative package of that group, so the entire update was under a drop-down named "OpenJDK Java 6 Policy Tool". (See screenshot)

  Upon cursory inspection of the code, it seems like the function
  _get_application_for_package picks a representative name for a package
  based on the applications it provides. (Those that have a .desktop
  file)

  This logic seems faulty. The "Java Policy Tool" is not a good
  description for that package, or for the group. It should use the
  description of openjdk-6-jre which is "OpenJDK Java runtime, using
  Hotspot JIT". Also, it's odd that the "Java Policy Tool" requires a
  38MB update. That program is rarely used.

  I don't have a suggestion on how to improve the algorithm itself to
  detect whether a desktop application provided by a package should be
  its description or not.

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