I\'m working with several repositories, but lately I was just working in our internal one and all was great.
Today I had to commit and push code into other one, but
git config --list
will show credential.helper = manager (this is on a windows machine)
credential.helper = manager
To disable this cached username/password for your current local git folder, simply enter
git config credential.helper ""
This way, git will prompt for password every time, ignoring what's saved inside "manager".