git checkout carries unstaged files to the new branch

Question

I have been trying to set-up repository with gitlab CE, as a part of the set-up created a repo and been playing around with it, when I encountered, that after I make some modifi

Answer 1

That's a feature, not a bug, and has been that way ever since, as far as I know. If git thinks that it can safely carry along your local modifications, it does so.

If you want to get rid of them, git reset --hard.