### Summary Edits to a files made through the UI can't be committed when profile name contains only `.`. ### Steps to reproduce 1. Change your profile name to `.`. 2. Navigate to any file in a repository, for example, the `README.md`. 3. `Edit` the file. 4. Make a change to the file. 5. Try to commit the change. ### Example Project This works on any project. ### What is the current *bug* behavior? An error is displayed on `Commit`:  ### What is the expected *correct* behavior? Commit should complete successfully. ### Output of checks This bug happens on GitLab.com. ### Possible fixes Profile names that consist entirely of invalid characters for commits should be restricted.