Work-arounds for ssh and git submodules

.gitlab-ci.yml

@@ -12,8 +12,7 @@ build-debian-stretch:
       - build-stretch
   script:
     - apt-get update && apt-get install git -y
-    - echo "scm.uninett.no ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBDFzKniMvXZIZMduF84bLLar6Nzs+MoI6HUx1FC+w1sZM1yaVPcAVmWVrL8r6EwWekY5ZHz/F3EEvBAJVIB1aPk=" ~/.ssh/known_hosts
-    - git submodule update --init
+    - env GIT_SSH_COMMAND="ssh -o StrictHostKeyChecking=no" git submodule update --init
     - docker build --no-cache -t rude-build .
     - rm -rf build-stretch
     - mkdir build-stretch