Nick,
I think the --nobuild option will work for you.  This will prevent it 
from trying to bootstrap the core packages.  Note, you will have to do 
this manually. 

Tully

Nicholas Butko wrote:
> Is there a way to bypass the dependency install step of rosinstall? 
>
> After reformatting my hard drive, I am trying to reinstall ros on OSX.  This time around, I am especially keen to minimize my port installs and python versions. I prefer to use easy_install with the system python instead, wherever possible. 
>
> Unfortunately rosinstall wants to install lots of ports, even though I have the relevant python packages (pyyaml and paramiko) already installed. 
>
> --Nick 
>
>
> _______________________________________________
> ros-users mailing list
> ros-users@code.ros.org
> https://code.ros.org/mailman/listinfo/ros-users
>