I have GitLab platform in 13.0.0 version and I am currently working on setting up CI part. I have created new gitlab-runner that uses shell as an executor. The problem is that before the runner is invoked to do own jobs the system is not able to fetch git changes. The console output from build process: It was working fine before now everytime it throw error.
I have also added my gitlab-runner user in /etc/sudors
gitlab-runner ALL=(ALL) NOPASSWD: ALL
sudo usermod -a -G gitlab-runner gitlab-runner
But still facing the same issue.