Die earlier if there is now svn directory when trying to do incremental.
tree4864a8ceb96dc77c13e17c877e787c0f5ec6c590
-rw-r--r-- 35146 LICENSE
-rw-r--r-- 1974 README
drwxr-xr-x - doc
-rwxr-xr-x 11599 git2svn
-rw-r--r-- 205 run-tests.sh