How to organize a private public access to a git repository?

Question

git

It is necessary to raise a closed git server, and user authorization via LDAP
Set up SSH + LDAP, one user performed a push and became the owner of the git repository files. Actually the question is how to be? Logically, the second user will not be able to push because he will not have access rights to the files of the git repository.
Moreover, it is necessary that the files of the git repository have an owner and group git: www-data (for the git web interface)

Answer 1

install gitlab - it's the easiest. Otherwise, deal with the rights, because somewhere it is crookedly configured

Answer 2

gitolite or gitlab of your choice.
I use both. Historically, they used the first, then they began to use the second in another place.
See what you love.

Answer 3

how to make friends gitolite and ldap?