fix printing environment variables in GitLab CI

script/gitlabci/print_env.sh

@@ -39,7 +39,7 @@ fi
 echo -e "2. Run the following export commands in the container to setup enviroment\n"
 
 # take all env variables, filter it and display it with a `export` prefix
-printenv | grep -E 'alpaka_*|ALPAKA_*|CMAKE_*|BOOST_|CUDA_' | while read -r line ; do
+printenv | grep -E '^alpaka_*|^ALPAKA_*|^CMAKE_*|^BOOST_*|^CUDA_*|^CI_RUNNER_TAGS*' | while read -r line ; do
     echo "export $line \\"
 done
 
@@ -48,7 +48,7 @@ echo 'export alpaka_DISABLE_EXIT_FAILURE=true \'
 echo 'export GITLAB_CI=true'
 echo ""
 
-echo "3. install git: apt update; apt install -y git"
+echo "3. install git: apt update && apt install -y git"
 echo "4. clone alpaka repository: git clone https://gitlab.com/hzdr/crp/alpaka.git --depth 1 -b ${CI_COMMIT_BRANCH}"
 echo "5. Run the following script: cd alpaka && ./script/gitlab_ci_run.sh"
 # reset the color