~ ci: dont try to move parent directory

.gitlab-ci.yml

@@ -15,7 +15,7 @@ clang_tidy:
       - docker-ci
     script:
       - mkdir current
-      - ls -a | grep -v current | xargs mv -t current
+      - ls -d .[!.]* | grep -v current | xargs mv -t current
       - git clone https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.repo.digitech.hs-emden-leer.de/link/projekte/ws19/vkvm-new/library.git
       - mkdir library/build
       - cd library/build