Adding existing code to bitbucket

Bitbucket has a bit imprecise documentation about pushing an existing code to their repo. If you have an existing directory without git control, and would like to push it to bitbucket, you may get the following error:

No refs in common and none specified; doing nothing. Perhaps you should specify a branch such as 'master'. Everything up-to-date

Here is how to solve it.

Alternatively, you may try: