This component is used to provide access to Git repositories through SSH. In fact, for pushes via the git-http protocol, it is also called instead of the Rails app. It's essentially a small Ruby wrapper around the Git client. Git, through SSH, uses predefined commands that can be executed on the GitLab server. For authorization, it makes calls to the GitLab API. Before GitLab 5.0, this functionality was delivered by Gitolite and powered by the Perl programming language.
The source code of this project can be found here: https://gitlab.com/gitlab-org/gitlab-shell. You can see the following page:
You can install it locally, but ...
