Bug#822627: gnome-session-common: doesn't uninstall cleanly

[Laurent Bigonville]

On Mon, 25 Apr 2016 21:20:04 +0200 Christoph Anton Mitterer 
<calestyo at scientia.net> wrote:
 >
 > Hey.
 >
 > On purging gnome-session-common the following happens:
 > Purging configuration files for gnome-session-common (3.20.1-1) ...
 > dpkg: warning: while removing gnome-session-common, directory 
'/usr/share/gnome/applications' not empty so not removed
 >
 > # ls -al /usr/share/gnome/applications
 > total 4
 > drwxr-xr-x 1 root root 28 Apr 25 21:16 .
 > drwxr-xr-x 1 root root 110 Apr 18 16:13 ..
 > -rw-r--r-- 1 root root 13 Apr 25 21:16 mimeinfo.cache
 > # cat /usr/share/gnome/applications/mimeinfo.cache
 > [MIME Cache]
 > #
 >
 > Well not sure what placed that file there, at least I didn't do it 
manually.

TBH I'm not sure what is generating this file.

The dpkg message is coming from the fact that the directory was once 
owned by gnome-session package, but it's not the case anymore.

Just tried to install and purge the pkg in a chroot and this file is 
definitely not created.