~$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages will be upgraded:
  beryl-plugins
1 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
12 not fully installed or removed.
Need to get 0B/346kB of archives.
After unpacking 41.0kB of additional disk space will be used.
Do you want to continue [Y/n]? y
(Reading database ... 109979 files and directories currently installed.)
Preparing to replace beryl-plugins 0.1.99.2~0beryl1 (using .../beryl-plugins_0.1.9999.1~0beryl1_i386.deb) ...
Unpacking replacement beryl-plugins ...
dpkg: error processing /var/cache/apt/archives/beryl-plugins_0.1.9999.1~0beryl1_i386.deb (--unpack):
 trying to overwrite `/usr/lib/beryl/libimgjpeg.so', which is also in package beryl-plugins-extra
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Errors were encountered while processing:
 /var/cache/apt/archives/beryl-plugins_0.1.9999.1~0beryl1_i386.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)