raises exception when .git/ftpdata lacks section69/head
tree03591130963d927b7f3a76f118975b5ddeb50e52
-rw-r--r-- 516 Makefile
-rw-r--r-- 3733 README.md
-rw-r--r-- 4499 git-ftp.1
-rwxr-xr-x 13911 git-ftp.py
-rwxr-xr-x 421 post-receive