rugged-0.27.0 requires CMake 2.8.11
We recently bumped rugged/libgit2 to 0.27.0, and Debian 7 builds are failing:
- https://dev.gitlab.org/gitlab/omnibus-gitlab/-/jobs/2326151
- https://dev.gitlab.org/gitlab/omnibus-gitlab/-/jobs/2326297
- https://dev.gitlab.org/gitlab/omnibus-gitlab/-/jobs/2326298
From https://github.com/libgit2/libgit2/releases:
The minimum required CMake version has been bumped to 2.8.11.
/cc: @balasankarc