How do programs like gitolite work?

Question

I am curious as to how programs such as gitolite work -- specifically how do they interact with the SSH protocol to provide a tailored experience. Can somebody provide an ex

Answer 1

The basic steps are:

1. Check the public key of the person trying to log in
2. Map the public key to an access control list

In other words, for these things to work, you have to get public keys from the users and then generate a list (file, database, whatever) that pairs a key to a user and permissions.