Bug#643656: icons not showing up - empty XDG_DATA_DIRS

[Török Edwin <edwintorok@gmail.com>]

On 10/12/2011 04:29 PM, Kevin Krammer wrote:
> On Wednesday, 2011-10-12, Török Edwin wrote:
>> I tried moving kde to .kde-old, and logging in again but that didn't help.
>>
>> I finally tracked down the problem: XDG_DATA_DIRS environment variable was
>> empty which caused a number of applications to not function correctly in
>> KDE (pidgin not finding its icons, openbox not findings the themes, etc.).
>> I removed /var/cache/desktop-profiles/activated-profiles, and run
>> update-profile-cache as root.
>>
>> Now when I login all the icons show up in the tray as they are supposed to,
>> because XDG_DATA_DIRS is no longer empty!
> 
> Can you try unsetting XDG_DATA_DIRS and see if the problem shows up again?

This makes the problem show up again
export XDG_DATA_DIRS=
pidgin
So does this:
export XDG_DATA_DIRS=:
pidgin

This works correctly
unset XDG_DATA_DIRS
pidgin

And this is what I actually had (sorry missed the :) when I wrote my previous reply:
XDG_DATA_DIRS=:

> 
> XDG_DATA_DIRS unset or empty should work, applications are supposed to fall 
> back to the specified default value (/usr/share:/usr/local/share if I remember 
> correctly).

Best regards,
--Edwin