gitolite software package provides SSH-based gatekeeper for git repositories, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install gitolite
gitolite is installed in your system.
Make ensure the gitolite package were installed using the commands given below,
$ sudo dpkg-query -l | grep gitolite *
You will get with gitolite package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Version Control Systems |
| Package | gitolite |
| Version | 2.3-1 |
| Description | SSH-based gatekeeper for git repositories |
| Sub Section | vcs |