Gitaly needs a minimum requirement for Git
- finding the minimum git version in gitlab-ce/doc/install
- https://gitlab.com/gitlab-org/gitlab-ce/blob/86d1e42ab34d15a801b97d4d1b7812fb4259f7e5/doc/install/installation.md
- Git 2.8.4 at time of writing
- fixing gitlab-ci.yml so we have that git version
-
apt get update && apt-get upgrade git
?