Fail to convert remote svn repo from R-Forge

[milktrader]

Here is the error message I get:

✈  svn2git svn://svn.r-forge.r-project.org/svnroot/blotter/   --rootistrunk
command failed:
2>&1 git svn init --prefix=svn/ --no-metadata --trunk=svn://svn.r-forge.r-project.org/svnroot/blotter/

I'm guessing maybe svn protocol isn't supported?

UPDATE:

Instead of trying to get and convert, I have brought the svn repo into a git repo with

git svn clone svn://svn.r-forge.r-project.org/svnroot/blotter/ which works fine. But I still want to push this repo to github, and I'm assuming I need to do the extra conversions provided by svn2git. Is that correct.

In any case, I'm still unable to get svn2git to execute without the same error as above.

The structure of the svn repo is odd and might this be causing the error to be thrown?