verify the HMAC that GitHub sends
-rw-r--r-- 1313 COPYING
-rw-r--r-- 9642 git_mirror.py
-rwxr-xr-x 2584 githook.py
-rwxr-xr-x 1589 ssh-set-ident.sh
-rwxr-xr-x 4406 webhook-core.py
-rwxr-xr-x 2147 webhook.py