Here is the result (part) of the command output:
? .idea X external/devexpress Performing status on external item at 'external/ibm_websphere':
The repository was only cloned, nothing was added / changed. The first is clear, but where did the rest come from, and what to do with it? Values of statuses looked, but it is unclear how they will behave when creating a branch. How to successfully break away from this branch?