git-svnimport [ -o <branch-for-HEAD> ] [ -h ] [ -v ] [ -d | -D ]
                [ -C <GIT_repository> ] [ -i ] [ -u ] [-l limit_rev]
                [ -b branch_subdir ] [ -T trunk_subdir ] [ -t tag_subdir ]
                [ -s start_chg ] [ -m ] [ -r ] [ -M regex ]
                [ -I <ignorefile_name> ] [ -A <author_file> ]
                <SVN_repository_URL> [ <path> ]