quiet apt get install

.gitlab-ci.yml

@@ -8,7 +8,7 @@ pages:
     HTTPS_REMOTE: https://gitlab-ci-token:${ACCESS_TOKEN}@${CI_SERVER_HOST}/rep/${CI_PROJECT_PATH}.git
   before_script:
     - pip install -q mkdocs-material mike
-    - apt-get update -qq && apt-get -qq install -y git
+    - apt-get update -qq && apt-get install -qq -o=Dpkg::Use-Pty=0 -y git
     - git config user.name $GITLAB_USER_NAME
     - git config user.email $GITLAB_USER_EMAIL
     - git fetch origin $PAGES_BRANCH && git checkout $PAGES_BRANCH || git checkout -b $PAGES_BRANCH origin/$PAGES_BRANCH || echo "Pages branch not deployed yet."