[spin]

An interesting, useful real-world example of this is Gitolite [0]. Gitolite requires no background daemons or anything -- just a normal unix/ssh environment.

[0] https://gitolite.com/gitolite/index.html

[mobilio]

I'm using gitolite from years and works flawless.

[brachi]

I just started using it and I love it. Simple, easy to configure, and it just works.