Changing the ../tags/perception_pcl-1.0.1below to ../tags/electric seems to work fine. 

Oh, I noticed I also get this error too. I just hit (s)kip and move on ... I assume it is some git shenanigans. 

Installing http://git.mech.kuleuven.be/robotics/orocos_kinematics_dynamics.git orocos_kinematics_dynamics-0.2.3 to /usr/local/electric/orocos_kinematics_dynamics
No output of get branch.rosinstall_tagged_branch.merge
The version orocos_kinematics_dynamics-0.2.3 of repo http://git.mech.kuleuven.be/robotics/orocos_kinematics_dynamics.git requested to be checked out into /usr/local/electric/orocos_kinematics_dynamics is not the current branch or commit and cannot be blindly updated in place. (d)elete, (a)bort, (b)ackup, (s)kip: 

On Nov 20, 2011, at 11:55 AM, Kevin Walchko wrote:

> Hi,
> 
> Tried re-installing ROS and it fails:
> 
> rosinstall /usr/local/electric "http://packages.ros.org/cgi-bin/gen_rosinstall.py?rosdistro=electric&variant=desktop-full&overlay=no"
> 
> …
> 
> A    /usr/local/electric/image_common/image_transport/Makefile
> U   /usr/local/electric/image_common
> Checked out revision 38261.
> Installing http://svn.pointclouds.org/ros/tags/perception_pcl-1.0.1  to /usr/local/electric/perception_pcl
> svn: URL 'http://svn.pointclouds.org/ros/tags/perception_pcl-1.0.1' doesn't exist
> ERROR: Failed to install tree '/usr/local/electric/perception_pcl'
> Checkout of http://svn.pointclouds.org/ros/tags/perception_pcl-1.0.1 version  into /usr/local/electric/perception_pcl failed.
> 
> I looked at the svn and I don't see the directory, so someone changed something.
> 
> there is a tag/electric, so maybe it was changed to that.
> 
> Kevin
>