Update .gitlab-ci.sh

.gitlab-ci.sh

@@ -3,12 +3,13 @@
 PROJECT_ACCESS_TOKEN=NdNmKqje9H6NMMeAVQqn
 REPO_NAME=mirrortest.git
 ORIGIN_URL=https://token:${PROJECT_ACCESS_TOKEN}@gitlab.ebrains.eu/paulpawletta/$REPO_NAME
-GITHUB_REPO_URL=https://github.com/PaulPawletta/$REPO_NAME
+GITHUB_URL=https://github.com/PaulPawletta/$REPO_NAME
 
 rm -rf mirrortest
 git clone $ORIGIN_URL
 cd mirrortest
-git remote add github_repo $ORIGIN_URL
-git fetch origin --tags ; git fetch github_repo --tags
-git push origin; git push origin --tags
+git remote add github $GITHUB_URL
+git fetch --all
+git push origin 'refs/remotes/github/*:refs/heads/*'
+git push origin 'refs/tags/*:refs/tags/*'