https://gitlab.com/gitlab-org/gitlab-ci-multi-runner/issues/146
more precisely:
https://aur.archlinux.org/packages/gitlab-ci-multi-runner/
> Caused by bug in gitlab-ci-multi-runner which uses revision (unknown
> in this case) in one place and commit id in other place, so it fails
> to find cache/build/service images in docker. I suggest change
> revision from `unknown` to commit id to fix this issue.
+# the revision for images
+%define revision 88fc806
Summary: The official GitLab CI runner written in Go
Name: gitlab-ci-multi-runner
Version: 1.1.3
%{__make} docker
%{__make} version | tee version.txt
-LDFLAGS="-X main.NAME gitlab-ci-multi-runner -X main.VERSION %{version} -X main.REVISION release"
+LDFLAGS="-X main.NAME gitlab-ci-multi-runner -X main.VERSION %{version} -X main.REVISION %{revision}"
%gobuild
# verify version match