DEPEND in gitlabhq and gitlab-workhorse ebuilds
According to https://github.com/gitlabhq/gitlabhq/blob/master/doc/update/11.1-to-11.2.md some dependencies should be more specific
In the gitlabhq ebuild:
DEPEND="${GEMS_DEPEND}
>=dev-lang/ruby-2.4[readline,ssl]
...
>=sys-apps/yarn-1.2.0
..."
And in the gitlab-workhorse ebuild:
DEPEND=">=dev-lang/go-1.9.0"