Tutorials
Download snippet from gitlab with access token
How to access files on GITLAB private repositories with Access-Tokens:
Generate an Access Token
Go on gitlab and generate access token
Make sure you copy the code and store it somewhere safe. You cannot display the token any more, but only to regenerate another one
Access snippet with access token via CURL
curl --header "PRIVATE-TOKEN: <my_access_token>" https://gitlab.com/snippets/<snippet_id>/raw | bash -