Forking Git repository from GitHub to GitLab

Question

Suppose that I would like to implement a fix to a project of someone else. That project resides on GitHub.

I could create a fork on GitHub and implement the fix.

Answer 1

The browser-only way:

1. Create a new project in Gitlab (Just an empty project with a name is fine)
2. Go to Settings -> Respository
3. Enter GitHub URL under 'Mirroring repositories'
4. Make sure 'Mirror direction' is 'Pull'
5. Press 'Mirror repository' button
6. Press the sync icon next to the entry that appears