Clone SVN into a git repo:
git svn clone https://svn.mozilla.org/my/project project
cd project
git remote add origin [email protected]:/johndoe/project
git push origin master
Change a file:
touch abc; git add abc; git commit -m 'awesome file'
git svn dcommit
# puts it into SVN and changes the git commit IDgit push origin master
# to push all that into the git clone