Cannot install 'ubuntu-desktop' when prompted to do a partial upgrade due to xorg-edgers PPA

[Andrea]

I just ran the standard Software Updater in ubuntu 14.04.1 LTS and I got a popup stating that not all updates could be installed, and that it could be due to the necessity of a partial upgrade. I installed all available updates, then tried to do a partial upgrade and got this message:

Can't install 'ubuntu-desktop'

It was impossible to install a required package. Please report this as a bug [...]

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubuntu-release-upgrader-core 1:0.220.5
ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8
Uname: Linux 3.13.0-39-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: Unity
Date: Thu Nov 20 17:51:39 2014
InstallationDate: Installed on 2014-11-14 (6 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: No upgrade log present (probably fresh install)

[Brian Murray (brian-murray)]

This has something do with a PPA you have enabled.

Broken libcogl15:amd64 Depends on libegl1-mesa-drivers [ amd64 ] < none -> 10.4.0~git20141112.7a82961b-0ubuntu0ricotz~trusty > ( libs )
  Considering libegl1-mesa-drivers:amd64 1 as a solution to libcogl15:amd64 -1
  Holding Back libcogl15:amd64 rather than change libegl1-mesa-drivers:amd64

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[fmurrieta (fernando-murrieta)]

What I did to fix it:

sudo apt-get install -f
sudo dpkg –configure -a
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install -f
sudo apt-get upgrade

It says it's OK. I'll reboot and report back