git remote set-url origin GIT_URL
git svn clone -s SVN_URL
git svn clone -s -rXXXX:HEAD SVN_URL
???
".:refs/remotes/trunk"
git svn fetch -rXXXX:HEAD
git remote set-url origin GIT_URL
git svn clone -s SVN_URL
git svn clone -s -rXXXX:HEAD SVN_URL
???
".:refs/remotes/trunk"
git svn fetch -rXXXX:HEAD